Commit Graph

482 Commits

Author SHA1 Message Date
Ricardo Ribalda Delgado
f28f8eff91 gpio/Kconfig: Fix X86 arch name
X86 Kconfig symbol is X86, not ARCH_X86.

Fixes: c586b3075d5b47d8 (gpio/xilinx: Add support for X86 Arch)
Reported-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15 17:23:26 +01:00
Geert Uytterhoeven
c7f3c5d3ac gpio: rcar: Switch to use gpiolib irqchip helpers
Switch the R-Car Gen2 GPIO driver to use the gpiolib irqchip helpers.

While doing this also make sure that gpiochip_irqchip_add() is called
after the gpiochip itself is registered, as required.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15 17:23:25 +01:00
Ricardo Ribalda Delgado
c54c58bad6 gpio/xilinx: Add support for X86 Arch
Core can be accessed via PCIe on X86 platform.
This patch also allows the driver to be used as module.

Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15 17:23:14 +01:00
Chang Rebecca Swee Fun
9202149025 gpio: sch: Add support for Intel Quark X1000 SoC
Intel Quark X1000 provides a total of 16 GPIOs. The GPIOs are split between
the legacy I/O bridge and the GPIO controller.

GPIO-SCH is the GPIO pins on legacy bridge for Intel Quark SoC.
Intel Quark X1000 has 2 GPIOs powered by the core power well and 6 from
the suspend power well.

This piece of work is derived from Dan O'Donovan's initial work for Quark
X1000 enabling.

Signed-off-by: Chang Rebecca Swee Fun <rebecca.swee.fun.chang@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15 17:23:12 +01:00
Wei Chen
093e943548 gpio: sx150x: move to irqdomain framework for sx150x driver
The sx150x gpio driver used a loop to set liner irq map for gpio pins.
Now we use the irq domain to rebuild this irq mappig and make sure the
codes are still compatible to old users.

this patch also adds IRQF_ONESHOT flag to fix the IRQ flooding issues.

Signed-off-by: Wei Chen <Wei.Chen@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
[Make Kconfig select GPIOLIB_IRQCHIP]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15 17:23:12 +01:00
Kamlakant Patel
3c01b9a896 gpio: moxart: convert to use basic mmio gpio library
This patch converts MOXART GPIO driver to use basic_mmio_gpio
generic library.

Signed-off-by: Kamlakant Patel <kamlakant.patel@linaro.org>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Tested-by: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-09 10:24:29 +01:00
Linus Torvalds
980f3c344f This is the bulk of GPIO changes for the v3.19 series:
- A new API that allows setting more than one GPIO at the
   time. This is implemented for the new descriptor-based
   API only and makes it possible to e.g. toggle a clock and
   data line at the same time, if the hardware can do this
   with a single register write. Both consumers and drivers
   need new calls, and the core will fall back to driving
   individual lines where needed. Implemented for the MPC8xxx
   driver initially.
 - Patched the mdio-mux-gpio and the serial mctrl driver
   that drives modems to use the new multiple-setting API
   to set several signals simultaneously.
 - Get rid of the global GPIO descriptor array, and instead
   allocate descriptors dynamically for each GPIO on a certain
   GPIO chip. This moves us closer to getting rid of the
   limitation of using the global, static GPIO numberspace.
 - New driver and device tree bindings for 74xx ICs.
 - New driver and device tree bindings for the VF610 Vybrid.
 - Support the RCAR r8a7793 and r8a7794.
 - Guidelines for GPIO device tree bindings trying to get
   things a bit more strict with the advent of combined
   device properties.
 - Suspend/resume support for the MVEBU driver.
 - A slew of minor fixes and improvements.
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Merge tag 'gpio-v3.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull take two of the GPIO updates:
 "Same stuff as last time, now with a fixup patch for the previous
  compile error plus I ran a few extra rounds of compile-testing.

  This is the bulk of GPIO changes for the v3.19 series:

   - A new API that allows setting more than one GPIO at the time.  This
     is implemented for the new descriptor-based API only and makes it
     possible to e.g. toggle a clock and data line at the same time, if
     the hardware can do this with a single register write.  Both
     consumers and drivers need new calls, and the core will fall back
     to driving individual lines where needed.  Implemented for the
     MPC8xxx driver initially

   - Patched the mdio-mux-gpio and the serial mctrl driver that drives
     modems to use the new multiple-setting API to set several signals
     simultaneously

   - Get rid of the global GPIO descriptor array, and instead allocate
     descriptors dynamically for each GPIO on a certain GPIO chip.  This
     moves us closer to getting rid of the limitation of using the
     global, static GPIO numberspace

   - New driver and device tree bindings for 74xx ICs

   - New driver and device tree bindings for the VF610 Vybrid

   - Support the RCAR r8a7793 and r8a7794

   - Guidelines for GPIO device tree bindings trying to get things a bit
     more strict with the advent of combined device properties

   - Suspend/resume support for the MVEBU driver

   - A slew of minor fixes and improvements"

* tag 'gpio-v3.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (33 commits)
  gpio: mcp23s08: fix up compilation error
  gpio: pl061: document gpio-ranges property for bindings file
  gpio: pl061: hook request if gpio-ranges avaiable
  gpio: mcp23s08: Add option to configure IRQ output polarity as active high
  gpio: fix deferred probe detection for legacy API
  serial: mctrl_gpio: use gpiod_set_array function
  mdio-mux-gpio: Use GPIO descriptor interface and new gpiod_set_array function
  gpio: remove const modifier from gpiod_get_direction()
  gpio: remove gpio_descs global array
  gpio: mxs: implement get_direction callback
  gpio: em: Use dynamic allocation of GPIOs
  gpio: Check if base is positive before calling gpio_is_valid()
  gpio: mcp23s08: Add simple IRQ support for SPI devices
  gpio: mcp23s08: request a shared interrupt
  gpio: mcp23s08: Do not free unrequested interrupt
  gpio: rcar: Add r8a7793 and r8a7794 support
  gpio-mpc8xxx: add mpc8xxx_gpio_set_multiple function
  gpiolib: allow simultaneous setting of multiple GPIO outputs
  gpio: mvebu: add suspend/resume support
  gpio: gpio-davinci: remove duplicate check on resource
  ..
2014-12-14 14:05:05 -08:00
Daniel Baluta
6732127f62 gpio: add support for the Diolan DLN-2 USB GPIO driver
This patch adds GPIO and IRQ support for the Diolan DLN-2 GPIO module.

Information about the USB protocol interface can be found in the
Programmer's Reference Manual [1], see section 2.9 for the GPIO
module commands and responses.

[1] https://www.diolan.com/downloads/dln-api-manual.pdf

Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-11-10 16:30:09 +00:00
Linus Walleij
1972c97db5 gpio: dwapb: fix compile errors
Whereas the DWAPB driver does not really depend on the ARM
architecture, it uses [readl|writel]_relaxed() not found on
arch such as Blackfin, so restrict this to ARM until there is
another architecture that can make use of it.

It is also using the of_node of the gpiochip, so fix this
too by requiring OF_GPIO.

All error/warnings:

make.cross ARCH=blackfin
drivers/gpio/gpio-dwapb.c: In function 'dwapb_irq_handler':
drivers/gpio/gpio-dwapb.c:91:2: error: implicit declaration of function 'readl_relaxed' [-Werror=implicit-function-declaration]
drivers/gpio/gpio-dwapb.c: In function 'dwapb_configure_irqs':
drivers/gpio/gpio-dwapb.c:212:32: error: 'struct gpio_chip' has no member named 'of_node'
drivers/gpio/gpio-dwapb.c:221:16: error: 'struct gpio_chip' has no member named 'of_node'
drivers/gpio/gpio-dwapb.c: In function 'dwapb_gpio_add_port':
drivers/gpio/gpio-dwapb.c:331:14: error: 'struct gpio_chip' has no member named 'of_node'
cc1: some warnings being treated as errors

Cc: Jamie Iles <jamie@jamieiles.com>
Cc: Alan Tull <atull@altera.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-10-27 18:19:03 +01:00
Stefan Agner
7f2691a196 gpio: vf610: add gpiolib/IRQ chip driver for Vybrid
Add a gpiolib and IRQ chip driver for Vybrid ARM SoC using the
Vybrid's GPIO and PORT module. The driver is instanced once per
each GPIO/PORT module pair and handles 32 GPIO's.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-10-24 14:18:05 +02:00
Alexander Shiyan
af0a33e26c GPIO: Add driver for 74xx-ICs with MMIO access
This patch adds driver to support GPIO functionality for 74xx-compatible
ICs with MMIO access. Compatible models include:
 1 bit:   741G125 (Input), 741G74 (Output)
 2 bits:  742G125 (Input), 7474 (Output)
 4 bits:  74125 (Input), 74175 (Output)
 6 bits:  74365 (Input), 74174 (Output)
 8 bits:  74244 (Input), 74273 (Output)
 16 bits: 741624 (Input), 7416374 (Output)

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-10-21 10:48:04 +02:00
Uwe Kleine-König
7b31997a73 gpio: kona: enable only on BCM_MOBILE or for compile testing
This change makes it easier to configure a kernel for a real machine by
not showing the option to enable it at all if COMPILE_TEST is off.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Markus Mayer <mmayer@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-09-25 09:52:17 +02:00
Weike Chen
3d2613c428 GPIO: gpio-dwapb: Enable platform driver binding to MFD driver
The Synopsys DesignWare APB GPIO driver only supports open firmware devices.
But, like Intel Quark X1000 SOC, which has a single PCI function exporting
a GPIO and an I2C controller, it is a Multifunction device. This patch is
to enable the current Synopsys DesignWare APB GPIO driver to support the
Multifunction device which exports the designware GPIO controller.

Reviewed-by: Hock Leong Kweh <hock.leong.kweh@intel.com>
Signed-off-by: Weike Chen <alvin.chen@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-09-23 17:51:37 +02:00
Sonic Zhang
3af0dbd592 gpio: mcp23s08 to support both device tree and platform data
Device tree is not enabled in some architecture where gpio
driver mcp23s08 is still required.

v2-changes:
- Parse device tree properties into platform data other than
  individual variables.
v3-changes:
- Use of_node in gpio_chip device structure, because the
  struct device * always has an of_node which is NULL when
  OF is not used.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-09-04 18:59:15 +02:00
Linus Walleij
0752e169ba gpio: adnp: switch to use irqchip helpers
This switches the ADNP GPIO driver to use the gpiolib
irqchip helpers. Also do some random refactoring to make it
look like most other GPIO drivers.

Cc: Roland Stigge <stigge@antcom.de>
Cc: Lars Poeschel <poeschel@lemonage.de>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-09-02 10:44:01 +02:00
Feng Kan
29cbf4589f gpio: Add APM X-Gene SoC GPIO controller support
Add APM X-Gene SoC gpio controller driver.

Signed-off-by: Feng Kan <fkan@apm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-08-28 14:19:47 +02:00
Linus Torvalds
06b49ea43c This is the bulk of GPIO changes for the v3.17 development
cycle, and this time we got a lot of action going on and
 it will continue:
 
 - The core GPIO library implementation has been split up in
   three different files:
   - gpiolib.c for the latest and greatest and shiny GPIO
     library code using GPIO descriptors only
   - gpiolib-legacy.c for the old integer number space API
     that we are phasing out gradually
   - gpiolib-sysfs.c for the sysfs interface that we are
     not entirely happy with, but has to live on for
     ABI compatibility
 
 - Add a flags argument to *gpiod_get* functions, with some
   backward-compatibility macros to ease transitions. We
   should have had the flags there from the beginning it
   seems, now we need to clean up the mess. There is a plan
   on how to move forward here devised by Alexandre Courbot
   and Mark Brown.
 
 - Split off a special <linux/gpio/machine.h> header for the
   board gpio table registration, as per example from the
   regulator subsystem.
 
 - Start to kill off the return value from gpiochip_remove()
   by removing the __must_check attribute and removing all
   checks inside the drivers/gpio directory. The rationale
   is: well what were we supposed to do if there is an error
   code? Not much: print an error message. And gpiolib already
   does that. So make this function return void eventually.
 
 - Some cleanups of hairy gpiolib code, make some functions
   not to be used outside the library private and make sure
   they are not exported, remove gpiod_lock/unlock_as_irq()
   as the existing function is for driver-internal use and
   fine as it is, delete gpio_ensure_requested() as it is
   not meaningful anymore.
 
 - Support the GPIOF_ACTIVE_LOW flag from gpio_request_one()
   function calls, which is logical since this is already
   supported when referencing GPIOs from e.g. device trees.
 
 - Switch STMPE, intel-mid, lynxpoint and ACPI (!) to use
   the gpiolib irqchip helpers cutting down on GPIO irqchip
   boilerplate a bit more.
 
 - New driver for the Zynq GPIO block.
 
 - The usual incremental improvements around a bunch of
   drivers.
 
 - Janitorial syntactic and semantic cleanups by Jingoo Han,
   and Rickard Strandqvist especially.
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Merge tag 'gpio-v3.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO update from Linus Walleij:
 "This is the bulk of GPIO changes for the v3.17 development cycle, and
  this time we got a lot of action going on and it will continue:

   - The core GPIO library implementation has been split up in three
     different files:
     - gpiolib.c for the latest and greatest and shiny GPIO library code
       using GPIO descriptors only
     - gpiolib-legacy.c for the old integer number space API that we are
       phasing out gradually
     - gpiolib-sysfs.c for the sysfs interface that we are not entirely
       happy with, but has to live on for ABI compatibility

   - Add a flags argument to *gpiod_get* functions, with some
     backward-compatibility macros to ease transitions.  We should have
     had the flags there from the beginning it seems, now we need to
     clean up the mess.  There is a plan on how to move forward here
     devised by Alexandre Courbot and Mark Brown

   - Split off a special <linux/gpio/machine.h> header for the board
     gpio table registration, as per example from the regulator
     subsystem

   - Start to kill off the return value from gpiochip_remove() by
     removing the __must_check attribute and removing all checks inside
     the drivers/gpio directory.  The rationale is: well what were we
     supposed to do if there is an error code? Not much: print an error
     message.  And gpiolib already does that.  So make this function
     return void eventually

   - Some cleanups of hairy gpiolib code, make some functions not to be
     used outside the library private and make sure they are not
     exported, remove gpiod_lock/unlock_as_irq() as the existing
     function is for driver-internal use and fine as it is, delete
     gpio_ensure_requested() as it is not meaningful anymore

   - Support the GPIOF_ACTIVE_LOW flag from gpio_request_one() function
     calls, which is logical since this is already supported when
     referencing GPIOs from e.g. device trees

   - Switch STMPE, intel-mid, lynxpoint and ACPI (!) to use the gpiolib
     irqchip helpers cutting down on GPIO irqchip boilerplate a bit more

   - New driver for the Zynq GPIO block

   - The usual incremental improvements around a bunch of drivers

   - Janitorial syntactic and semantic cleanups by Jingoo Han, and
     Rickard Strandqvist especially"

* tag 'gpio-v3.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (37 commits)
  MAINTAINERS: update GPIO include files
  gpio: add missing includes in machine.h
  gpio: add flags argument to gpiod_get*() functions
  MAINTAINERS: Update Samsung pin control entry
  gpio / ACPI: Move event handling registration to gpiolib irqchip helpers
  gpio: lynxpoint: Convert to use gpiolib irqchip
  gpio: split gpiod board registration into machine header
  gpio: remove gpio_ensure_requested()
  gpio: remove useless check in gpiolib_sysfs_init()
  gpiolib: Export gpiochip_request_own_desc and gpiochip_free_own_desc
  gpio: move gpio_ensure_requested() into legacy C file
  gpio: remove gpiod_lock/unlock_as_irq()
  gpio: make gpiochip_get_desc() gpiolib-private
  gpio: simplify gpiochip_export()
  gpio: remove export of private of_get_named_gpio_flags()
  gpio: Add support for GPIOF_ACTIVE_LOW to gpio_request_one functions
  gpio: zynq: Clear pending interrupt when enabling a IRQ
  gpio: drop retval check enforcing from gpiochip_remove()
  gpio: remove all usage of gpio_remove retval in driver/gpio
  devicetree: Add Zynq GPIO devicetree bindings documentation
  ...
2014-08-08 18:00:35 -07:00
Mika Westerberg
7f87210eff gpio: lynxpoint: Convert to use gpiolib irqchip
Instead of open-coding irqchip handling in the driver we can take advantage
of the new irqchip helpers provided by the gpiolib core.

While doing this we also make sure that we call gpiochip_irqchip_add()
after the gpiochip itself is registered as required.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-07-28 12:23:56 +02:00
Harini Katakam
3242ba117e gpio: Add driver for Zynq GPIO controller
Add support for GPIO controller used by Xilinx Zynq.

v3 changes:
 - Use linux/gpio/driver.h instead of linux/gpio.h
 - Make irq a local variable in probe

v2 changes:
 - convert to pm_runtime_force_(suspend|resume)
 - add pm_runtime_set_active in probe()
 - also (un)prepare clocks when they are dis-/enabled
 - add some missing calls to pm_runtime_get()
 - use pm_runtime_put() instead of sync variant
 - remove gpio chip in driver remove()
 - remove redundant type casts
 - directly use IO helpers
 - use BIT macro to set/clear bits
 - migrate to GPIOLIB_IRQCHIP

Signed-off-by: Harini Katakam <harinik@xilinx.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-07-10 11:11:41 +02:00
Linus Walleij
fe44e70db0 gpio: stmpe: switch to use gpiolib irqchip helpers
This switches the STMPE driver to use the gpiolib irqchip
helpers.

Tested-by: Silvio Fricke <silvio.fricke@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-06-19 09:31:16 +02:00
Zhu, Lejun
104fb1d515 gpio: Add support for Intel Crystal Cove PMIC
Devices based on Intel SoC products such as Baytrail have a Power
Management IC. In the PMIC there are subsystems for voltage regulation,
A/D conversion, GPIO and PWMs. The PMIC in Baytrail-T platform is
called Crystal Cove.

This patch adds support for the GPIO function in Crystal Cove.

Signed-off-by: Yang, Bin <bin.yang@intel.com>
Signed-off-by: Zhu, Lejun <lejun.zhu@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-06-17 15:59:52 +01:00
Linus Walleij
fc34627012 gpio: select IRQ_DOMAIN for gpiolib irqchip helpers
These helpers depend on the IRQ_DOMAIN so select it explicitly,
as it will not be present on all platforms such as Intel
desktops and laptops using Intel-MID.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-05-29 16:52:46 +02:00
Linus Walleij
7bcbce55f2 gpio: pca953x: use gpiolib irqchip helpers
This switches the PCA953x driver over to using the gpiolib irqchip
helpers to handle the threaded interrups cascaded off this
GPIO chip.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-05-28 15:29:23 +02:00
Jean Delvare
821e85f2a8 gpio: Add run-time dependencies to R-Car driver
The Renesas R-Car GPIO driver is only useful on shmobile unless build
testing.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Magnus Damm <damm@opensource.se>
Cc: Alexandre Courbot <gnurou@gmail.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-05-27 15:44:10 +02:00
Jean Delvare
3ff35cbcfa gpio-pch: Fix Kconfig dependencies
The gpio-pch driver is for a companion chip to the Intel Atom E600
series processors. These are 32-bit x86 processors so the driver is
only needed on X86_32. Add COMPILE_TEST as an alternative, so that the
driver can still be build-tested elsewhere.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-05-23 13:24:42 +02:00
Arnd Bergmann
9d5d96ef2c gpio: always enable GPIO_OMAP on ARCH_OMAP
Commit 4df42de9d3e "gpio: omap: add a GPIO_OMAP option instead of using
ARCH_OMAP" made it possible to build OMAP kernels without the GPIO driver,
which at least on OMAP2 and OMAP3 causes build errors because of functions
used by the platform power management code:

arch/arm/mach-omap2/built-in.o: In function `omap_sram_idle':
arch/arm/mach-omap2/pm24xx.c:129: undefined reference to `omap2_gpio_prepare_for_idle'
arch/arm/mach-omap2/pm24xx.c:129: undefined reference to `omap2_gpio_resume_after_idle'

We presumably always want the GPIO driver on OMAP, so this adds a slightly
broader dependency and only allows disabling the driver only when no
OMAP2PLUS platform is selected.

However, it seems entirely reasonable to include the driver in build tests
on other platforms, so we should also allow building it for COMPILE_TEST
builds and select the required GENERIC_IRQ_CHIP that may not already be
enabled on other platforms.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-05-09 09:46:32 +02:00
Javier Martinez Canillas
fb655f57ce gpio: omap: convert driver to use gpiolib irqchip
Converts the GPIO OMAP driver to register its chained irq
handler and irqchip using the helpers in the gpiolib core.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-04-28 12:35:08 -07:00
Javier Martinez Canillas
cd0a3748f3 gpio: omap: add a GPIO_OMAP option instead of using ARCH_OMAP
The ARCH_OMAP config option was used to built the GPIO OMAP
driver but this is not consistent with the rest of the GPIO
drivers that have their own Kconfig option.

Also, this make it harder to add dependencies or reverse
dependencies (i.e: select) since that would mean touching the
sub-arch config option.

So is better to add a boolean Kconfig option for this driver
that defaults to true if ARCH_OMAP is enabled.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-04-28 12:35:08 -07:00
Jean Delvare
0815c2c093 gpio: timberdale: simplify dependencies
GPIO_TIMBERDALE doesn't need an explicit dependency on HAS_IOMEM,
because it depends on MFD_TIMBERDALE which itself depends on
HAS_IOMEM already.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-04-28 12:35:07 -07:00
Linus Walleij
cf42f1cfe4 gpio: tc3589x: use gpiolib irqchip helpers
Now that the gpiolib irqchip helpers can support nested, threaded
IRQ handlers, switch the TC3589x driver over to using this new
infrastructure. Tested on the Ux500.

Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-04-28 12:35:07 -07:00
Linus Torvalds
cbda94e039 ARM: SoC: driver changes
These changes are mostly for ARM specific device drivers that either
 don't have an upstream maintainer, or that had the maintainer ask
 us to pick up the changes to avoid conflicts. A large chunk of this
 are clock drivers (bcm281xx, exynos, versatile, shmobile), aside from
 that, reset controllers for STi as well as a large rework of the
 Marvell Orion/EBU watchdog driver are notable.
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Merge tag 'drivers-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver changes from Arnd Bergmann:
 "These changes are mostly for ARM specific device drivers that either
  don't have an upstream maintainer, or that had the maintainer ask us
  to pick up the changes to avoid conflicts.

  A large chunk of this are clock drivers (bcm281xx, exynos, versatile,
  shmobile), aside from that, reset controllers for STi as well as a
  large rework of the Marvell Orion/EBU watchdog driver are notable"

* tag 'drivers-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (99 commits)
  Revert "dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac."
  Revert "net: stmmac: Add SOCFPGA glue driver"
  ARM: shmobile: r8a7791: Fix SCIFA3-5 clocks
  ARM: STi: Add reset controller support to mach-sti Kconfig
  drivers: reset: stih416: add softreset controller
  drivers: reset: stih415: add softreset controller
  drivers: reset: Reset controller driver for STiH416
  drivers: reset: Reset controller driver for STiH415
  drivers: reset: STi SoC system configuration reset controller support
  dts: socfpga: Add sysmgr node so the gmac can use to reference
  dts: socfpga: Add support for SD/MMC on the SOCFPGA platform
  reset: Add optional resets and stubs
  ARM: shmobile: r7s72100: fix bus clock calculation
  Power: Reset: Generalize qnap-poweroff to work on Synology devices.
  dts: socfpga: Update clock entry to support multiple parents
  ARM: socfpga: Update socfpga_defconfig
  dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac.
  net: stmmac: Add SOCFPGA glue driver
  watchdog: orion_wdt: Use %pa to print 'phys_addr_t'
  drivers: cci: Export CCI PMU revision
  ...
2014-04-05 15:37:40 -07:00
Linus Walleij
8d5b24bd30 gpio: pl061: convert driver to use gpiolib irqchip
This converts the PL061 driver to register its chained irq
handler and irqchip using the helpers in the gpiolib core.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-03-26 10:31:33 +01:00
Linus Walleij
1425052097 gpio: add IRQ chip helpers in gpiolib
This provides a function gpiochip_irqchip_add() to set
up an irqchip for a GPIO controller, and a function
gpiochip_set_chained_irqchip() to chain it to a parent
irqchip.

Most GPIOs are of the type where a number of lines form
a cascaded interrupt controller chained onto
the primary system interrupt controller (or further down the
chain) so let's add this helper and factor the code to
request the lines to be used as IRQs, the .to_irq() function
and the irqdomain into the core as well.

Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-03-26 10:31:21 +01:00
Alexander Shiyan
6a8a0c1d87 gpio: Driver for SYSCON-based GPIOs
SYSCON driver was designed for using memory areas (registers)
that are used in several subsystems. There are systems (CPUs)
which use bits in one register for various purposes and thus
should be handled by various kernel subsystems. This driver
allows you to use the individual SYSCON bits as GPIOs.
ARM CLPS711X SYSFLG1 input lines has been added as first user
of this driver.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-03-18 09:28:31 +01:00
Linus Walleij
9e294427f6 Linux 3.14-rc6
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Merge tag 'v3.14-rc6' into devel

Linux 3.14-rc6
2014-03-14 10:26:45 +01:00
Geert Uytterhoeven
22520edc92 gpio: Spelling s/than/that/
Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-03-12 15:54:54 +01:00
Jean Delvare
5da82cac74 gpio: cs5535: Simplify dependencies
The bus and architecture dependencies are already on MFD_CS5535, so
there is no need to repeat them here.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-03-12 15:41:33 +01:00
Alan Tull
c7861f37b4 fix build error in gpio-dwapb patch
fix build error with this message:
kernel/irq/Kconfig:41:error: recursive dependency detected!
kernel/irq/Kconfig:41:  symbol GENERIC_IRQ_CHIP is selected by GPIO_DWAPB
drivers/gpio/Kconfig:131:       symbol GPIO_DWAPB depends on IRQ_DOMAIN
kernel/irq/Kconfig:46:  symbol IRQ_DOMAIN is selected by GENERIC_IRQ_CHIP

Signed-off-by: Alan Tull <atull@altera.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-03-07 09:16:27 +08:00
Linus Walleij
feabf0cd45 gpio: zevio: depend on ARM and OF_GPIO
Instead of just depending on OF and getting build failures,
depend on ARM && OF_GPIO.

Cc: Fabian Vogt <fabian@ritter-vogt.de>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-03-06 10:29:59 +08:00
Jamie Iles
7779b34556 gpio: add a driver for the Synopsys DesignWare APB GPIO block
The Synopsys DesignWare block is used in some ARM devices (picoxcell)
and can be configured to provide multiple banks of GPIO pins.

v12: - Add irq_startup/shutdown
     - do irq_create_mapping() in probe, irq_find_mapping() in to_irq()
     - Adjust mappings to show support for 1 gpio per port.
     - gpio-cells = <1>
v11: - Use NULL when checking existence of 'interrupts' property
     - Bindings descriptions cleanup
v10: - in documentation nr-gpio -> nr-gpios
v9:  - cleanup in dt bindings doc
     - use of_get_child_count()
v8:  - remove socfpga.dtsi changes
     - minor cleanup in devicetree documentation
v7:  - use irq_generic_chip
     - support one irq per gpio line or one irq for many
     - s/bank/port/ and other cleanup
v6:  - (atull) squash the set of patches
     - use linear irq domain
     - build fixes. Original driver was reviewed on v3.2.
     - Fix setting irq edge type for 'rising' and 'both'.
     - Support as a loadable module.
     - Use bgpio_chip's spinlock during register access.
     - Clean up register names to match spec
     - s/bank/port/ because register names use the word 'port'
     - s/nr-gpio/nr-gpios/
     - don't get/put the of_node
     - remove signoffs/acked-by's because of changes
     - other cleanup
v5:  - handle sparse bank population correctly
v3:  - depend on rather than select IRQ_DOMAIN
     - split IRQ support into a separate patch
v2:  - use Rob Herring's irqdomain in generic irq chip patches
     - use reg property to indicate bank index
     - support irqs on both edges based on LinusW's u300 driver

Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Alan Tull <atull@altera.com>
Reviewed-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-03-05 08:59:45 +08:00
Fabian Vogt
9af4d80ba5 gpio: New driver for LSI ZEVIO SoCs
This driver supports the GPIO controller found in LSI ZEVIO SoCs.
It has been successfully tested on a TI nspire CX calculator.

Signed-off-by: Fabian Vogt <fabian@ritter-vogt.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-27 10:30:42 +01:00
Jean Delvare
f29b9d13dd gpio-ts5500: Add dependency
There is no point in displaying the TS5500-specific driver entries if
TS5500 board support itself isn't enabled.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-27 10:18:58 +01:00
Arnd Bergmann
23453853e4 Merge tag 'qcom-drivers-for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into next/drivers
Merge "qcom driver changes for v3.15" from Kumar Gala:

We've split Qualcomm MSM support into legacy and multiplatform.  These
drivers are only relevant on the multiplatform supported SoCs so switch the
Kconfig depends to ARCH_QCOM.

* tag 'qcom-drivers-for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom:
  gpio: msm: switch Kconfig to ARCH_QCOM depends
  hwrng: msm: switch Kconfig to ARCH_QCOM depends
  power: reset: msm - switch Kconfig to ARCH_QCOM depends
  drm/msm: drop ARCH_MSM Kconfig depend
  tty: serial: msm: Enable building msm_serial for ARCH_QCOM
2014-02-25 18:10:57 +01:00
Kumar Gala
add798a40a gpio: msm: switch Kconfig to ARCH_QCOM depends
We've split Qualcomm MSM support into legacy and multiplatform.  The gpio
msm-v2 driver is only relevant on the multiplatform supported SoCs so
switch the Kconfig depends to ARCH_QCOM.

CC: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
2014-02-25 09:22:10 -06:00
Aaron Sierra
e73760a605 gpio: pca953x: Add Exar XRA1202
Add Exar XRA1202 8-bit GPIO expander to supported list.

Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Acked-by: Graeme Smecher <gsmecher@threespeedlogic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-13 14:02:19 +01:00
Aaron Sierra
eb32b5aae9 gpio: pca953x: Add NXP PCA9698
Add the NXP PCA9698 40-bit GPIO expander to the supported list.
Note: This only enables GPIO functionality.

Tested-by: Bob Schmitz <bschmitz@xes-inc.com>
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Acked-by: Graeme Smecher <gsmecher@threespeedlogic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-13 14:00:18 +01:00
Aaron Sierra
1e1916950b gpio: pca953x: Add devices to Kconfig help
The pca953x driver supports tca6424 (24-bit) and pca9505 (40-bit)
devices. They were the only supported devices not mentioned in the
Kconfig help.

Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Acked-by: Graeme Smecher <gsmecher@threespeedlogic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-13 13:57:41 +01:00
Axel Lin
a5d6d271b3 gpio: pl061: Select IRQ_DOMAIN rather than GENERIC_IRQ_CHIP
commit f1f70479e9 "gpio: pl061: support irqdomain" drops the support of
irq generic chip and use irqdomain instead. Thus fixes the dependency by
selecting IRQ_DOMAIN rather than GENERIC_IRQ_CHIP.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-06 10:33:47 +01:00
Axel Lin
90d16a43d5 gpio: tb10x: GPIO_TB10X needs to select GENERIC_IRQ_CHIP
gpio-tb10x driver uses generic irq chip APIs (irq_alloc_domain_generic_chips,
irq_remove_generic_chip), so it needs to select GENERIC_IRQ_CHIP to avoid build
error.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-05 11:13:59 +01:00
Linus Torvalds
0ba3307a8e ARM: driver updates for 3.14
Updates of SoC-near drivers and other driver updates that makes more sense to
 take through our tree.
 
 The largest part of this is a conversion of device registration for some
 renesas shmobile/sh devices over to use resources. This has required
 coordination with the corresponding arch/sh changes, and we've agreed
 to merge the arch/sh changes through our tree.
 
 Added in this branch is support for Trusted Foundations secure firmware,
 which is what is used on many of the commercial Nvidia Tegra products
 that are in the market, including the Nvidia Shield. The code is local
 to arch/arm at this time since it's uncertain whether it will be shared
 with arm64 longer-term, if needed we will refactor later.
 
 A couple of new RTC drivers used on ARM boards, merged through our tree
 on request by the RTC maintainer.
 
 ... plus a bunch of smaller updates across the board, gpio conversions
 for davinci, etc.
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM driver updates from Olof Johansson:
 "Updates of SoC-near drivers and other driver updates that makes more
  sense to take through our tree.

  The largest part of this is a conversion of device registration for
  some renesas shmobile/sh devices over to use resources.  This has
  required coordination with the corresponding arch/sh changes, and
  we've agreed to merge the arch/sh changes through our tree.

  Added in this branch is support for Trusted Foundations secure
  firmware, which is what is used on many of the commercial Nvidia Tegra
  products that are in the market, including the Nvidia Shield.  The
  code is local to arch/arm at this time since it's uncertain whether it
  will be shared with arm64 longer-term, if needed we will refactor
  later.

  A couple of new RTC drivers used on ARM boards, merged through our
  tree on request by the RTC maintainer.

  ... plus a bunch of smaller updates across the board, gpio conversions
  for davinci, etc"

* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (45 commits)
  watchdog: davinci: rename platform driver to davinci-wdt
  tty: serial: Limit msm_serial_hs driver to platforms that use it
  mmc: msm_sdcc: Limit driver to platforms that use it
  usb: phy: msm: Move mach dependent code to platform data
  clk: versatile: fixup IM-PD1 clock implementation
  clk: versatile: pass a name to ICST clock provider
  ARM: integrator: pass parent IRQ to the SIC
  irqchip: versatile FPGA: support cascaded interrupts from DT
  gpio: davinci: don't create irq_domain in case of unbanked irqs
  gpio: davinci: use chained_irq_enter/chained_irq_exit API
  gpio: davinci: add OF support
  gpio: davinci: remove unused variable intc_irq_num
  gpio: davinci: convert to use irqdomain support.
  gpio: introduce GPIO_DAVINCI kconfig option
  gpio: davinci: get rid of DAVINCI_N_GPIO
  gpio: davinci: use {readl|writel}_relaxed() instead of __raw_*
  serial: sh-sci: Add OF support
  serial: sh-sci: Add device tree bindings documentation
  serial: sh-sci: Remove platform data mapbase and irqs fields
  serial: sh-sci: Remove platform data scbrr_algo_id field
  ...
2014-01-23 18:49:36 -08:00
Linus Torvalds
ac26663572 MFD changes due for the v3.14 merge window
New drivers
  - Samsung Maxim 14577; Micro USB, Regulator, IRQ Controller and Battery Charger
  - TI/National Semiconductor LP3943 I2C GPIO Expander and PWM Generator
 
 Existing driver adaptions
  - Expansion of Wolfson Arizona DSP and High-Pass filter controls
  - TI TWL6040 default Regmap support and Regcache addition/bypass
  - Some nice Smatch catch fixes
  - Conversion of TI OMAP-USB and TI TWL6030 to endian neutralness
  - ChromeOS EC timing (delay) adaptions and added dependency on OF
  - Many constifications of 'struct {mfd_cell,regmap_irq,et. al}'
  - Watchdog support added for NVIDIA AS3722
  - Convert functions to static in TI AM335x
  - Realigned previously defeated functionality in TI AM335x
  - IIO ADC-TSC concurrency dead-lock/timeout resolution
  - Addition of Power Management and Clock support for Samsung core
  - DEFINE_PCI_DEVICE_TABLE macro removal from MFD Subsystem
  - Greater use of irqdomain functionality in ST-E AB8500
  - Removal of 'include/linux/mfd/abx500/ab8500-gpio.h'
  - Wolfson WM831x PMIC Power Management changes s/poweroff/shutdown/
  - Device Tree documentation added for TI/Nat Semi LP3943
  - Version detection and voltage tables for TI TPS6586x PMIC devices
  - Simplification of Freescale MC13XXX (de-)initialisation routines
  - Clean-up and simplification of the Realtek parent driver
  - Added support for RTL8402 Realtek PCI-Express card reader
  - Resource leak fix for Maxim 77686
  - Possible suspend BUG() fix in OMAP USB TLL
  - Support for new Wolfson WM5110 Revision (D)
  - Testing of automatic assignment of of_node in mfd_add_device()
    - Reversion of the above when it started to cause issues
  - Remove legacy Platform Data from;
               TI TWL Core, Qualcomm SSBI and ST-E ABx500 Pinctrl
  - Clean-ups; tabbing issues, function name changes, 'drvdata = NULL' removal,
               unused uninitialised warning mitigation, error message clarity,
               removal of redundant/duplicate checks, licensing (GPL -> GPL2),
               coding consistency, duplicate function declaration, ret checks,
               commit corrections, redundant of_match_ptr() helper removal,
               spelling, #if-deffery removal and header guards name changes
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Merge tag 'mfd-3.14-1' of git://git.linaro.org/people/ljones/mfd

Pull MFD changes from Lee Jones:
 "New drivers
   - Samsung Maxim 14577; Micro USB, Regulator, IRQ Controller and
     Battery Charger
   - TI/National Semiconductor LP3943 I2C GPIO Expander and PWM
     Generator

  Existing driver adaptions
   - Expansion of Wolfson Arizona DSP and High-Pass filter controls
   - TI TWL6040 default Regmap support and Regcache addition/bypass
   - Some nice Smatch catch fixes
   - Conversion of TI OMAP-USB and TI TWL6030 to endian neutralness
   - ChromeOS EC timing (delay) adaptions and added dependency on OF
   - Many constifications of 'struct {mfd_cell,regmap_irq,et.al}'
   - Watchdog support added for NVIDIA AS3722
   - Convert functions to static in TI AM335x
   - Realigned previously defeated functionality in TI AM335x
   - IIO ADC-TSC concurrency dead-lock/timeout resolution
   - Addition of Power Management and Clock support for Samsung core
   - DEFINE_PCI_DEVICE_TABLE macro removal from MFD Subsystem
   - Greater use of irqdomain functionality in ST-E AB8500
   - Removal of 'include/linux/mfd/abx500/ab8500-gpio.h'
   - Wolfson WM831x PMIC Power Management changes s/poweroff/shutdown/
   - Device Tree documentation added for TI/Nat Semi LP3943
   - Version detection and voltage tables for TI TPS6586x PMIC devices
   - Simplification of Freescale MC13XXX (de-)initialisation routines
   - Clean-up and simplification of the Realtek parent driver
   - Added support for RTL8402 Realtek PCI-Express card reader
   - Resource leak fix for Maxim 77686
   - Possible suspend BUG() fix in OMAP USB TLL
   - Support for new Wolfson WM5110 Revision (D)
   - Testing of automatic assignment of of_node in mfd_add_device()
   - Reversion of the above when it started to cause issues
   - Remove legacy Platform Data from;
              TI TWL Core, Qualcomm SSBI and ST-E ABx500 Pinctrl
   - Clean-ups; tabbing issues, function name changes, 'drvdata = NULL'
              removal, unused uninitialised warning mitigation, error
              message clarity, removal of redundant/duplicate checks,
              licensing (GPL -> GPL2), coding consistency, duplicate
              function declaration, ret checks, commit corrections,
              redundant of_match_ptr() helper removal, spelling,
              #if-deffery removal and header guards name changes"

* tag 'mfd-3.14-1' of git://git.linaro.org/people/ljones/mfd: (78 commits)
  mfd: wm5110: Add register patch for rev D chip
  mfd: omap-usb-tll: Don't hold lock during pm_runtime_get/put_sync()
  gpio: lp3943: Remove redundant of_match_ptr helper
  mfd: sta2x11-mfd: Use named constants for pci_power_t values
  Documentation: mfd: Fix LDO index in s2mps11.txt
  mfd: Cleanup mfd-mcp-sa11x0.h header
  mfd: max8997: Use "IS_ENABLED(CONFIG_OF)" for DT code.
  mfd: twl6030: Fix endianness problem in IRQ handler
  mfd: sec-core: Add cells for S5M8767-clocks
  mfd: max14577: Remove redundant of_match_ptr helper
  mfd: twl6040: Fix sparse non static symbol warning
  mfd: Revert "mfd: Always assign of_node in mfd_add_device()"
  mfd: rtsx: Fix sparse non static symbol warning
  mfd: max77693: Set proper maximum register for MUIC regmap
  mfd: max77686: Fix regmap resource leak on driver remove
  mfd: Represent correct filenames in file headers
  mfd: rtsx: Add support for card reader rtl8402
  mfd: rtsx: Add set pull control macro and simplify rtl8411
  mfd: max8997: Enforce mfd_add_devices() return value check
  mfd: mc13xxx: Simplify probe() & remove()
  ...
2014-01-21 10:58:17 -08:00
Linus Torvalds
8e50966072 GPIO tree bulk changes for v3.14
A big set this merge window, as we have much going on in
 this subsystem. Major changes this time:
 
 - Some core improvements and cleanups to the new GPIO
   descriptor API. This seems to be working now so we can
   start the exodus to this API, moving gradually away from
   the global GPIO numberspace.
 
 - Incremental improvements to the ACPI GPIO core, and move
   the few GPIO ACPI clients we have to the GPIO descriptor
   API right *now* before we go any further. We actually
   managed to contain this *before* we started to litter
   the kernel with yet another hackish global numberspace for
   the ACPI GPIOs, which is a big win.
 
 - The RFkill GPIO driver and all platforms using it have
   been migrated to use the GPIO descriptors rather than
   fixed number assignments. Tegra machine has been migrated
   as part of this.
 
 - New drivers for MOXA ART, Xtensa GPIO32 and SMSC SCH311x.
   Those should be really good examples of how I expect a
   nice GPIO driver to look these days.
 
 - Do away with custom GPIO implementations on a major
   part of the ARM machines: ks8695, lpc32xx, mv78xx0.
   Make a first step towards the same in the horribly
   convoluted Samsung S3C include forest. We expect to
   continue to clean this up as we move forward.
 
 - Flag GPIO lines used for IRQ on adnp, bcm-kona, em,
   intel-mid and lynxpoint.
   This makes the GPIOlib core aware that a certain GPIO line
   is used for IRQs and can then enforce some semantics such
   as disallowing a GPIO line marked as in use for IRQ to be
   switched to output mode.
 
 - Drop all use of irq_set_chip_and_handler_name().
   The name provided in these cases were just unhelpful
   tags like "mux" or "demux".
 
 - Extend the MCP23s08 driver to handle interrupts.
 
 - Minor incremental improvements for rcar, lynxpoint, em
   74x164 and msm drivers.
 
 - Some non-urgent bug fixes here and there, duplicate
   #includes and that usual kind of cleanups.
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Merge tag 'gpio-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO tree bulk changes from Linus Walleij:
 "A big set this merge window, as we have much going on in this
  subsystem.  The changes to other subsystems (notably a slew of ARM
  machines as I am doing away with their custom APIs) have all been
  ACKed to the extent possible.

  Major changes this time:

   - Some core improvements and cleanups to the new GPIO descriptor API.
     This seems to be working now so we can start the exodus to this
     API, moving gradually away from the global GPIO numberspace.

   - Incremental improvements to the ACPI GPIO core, and move the few
     GPIO ACPI clients we have to the GPIO descriptor API right *now*
     before we go any further.  We actually managed to contain this
     *before* we started to litter the kernel with yet another hackish
     global numberspace for the ACPI GPIOs, which is a big win.

   - The RFkill GPIO driver and all platforms using it have been
     migrated to use the GPIO descriptors rather than fixed number
     assignments.  Tegra machine has been migrated as part of this.

   - New drivers for MOXA ART, Xtensa GPIO32 and SMSC SCH311x.  Those
     should be really good examples of how I expect a nice GPIO driver
     to look these days.

   - Do away with custom GPIO implementations on a major part of the ARM
     machines: ks8695, lpc32xx, mv78xx0.  Make a first step towards the
     same in the horribly convoluted Samsung S3C include forest.  We
     expect to continue to clean this up as we move forward.

   - Flag GPIO lines used for IRQ on adnp, bcm-kona, em, intel-mid and
     lynxpoint.

     This makes the GPIOlib core aware that a certain GPIO line is used
     for IRQs and can then enforce some semantics such as disallowing a
     GPIO line marked as in use for IRQ to be switched to output mode.

   - Drop all use of irq_set_chip_and_handler_name().  The name provided
     in these cases were just unhelpful tags like "mux" or "demux".

   - Extend the MCP23s08 driver to handle interrupts.

   - Minor incremental improvements for rcar, lynxpoint, em 74x164 and
     msm drivers.

   - Some non-urgent bug fixes here and there, duplicate #includes and
     that usual kind of cleanups"

Fix up broken Kconfig file manually to make this all compile.

* tag 'gpio-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (71 commits)
  gpio: mcp23s08: fix casting caused build warning
  gpio: mcp23s08: depend on OF_GPIO
  gpio: mcp23s08: Add irq functionality for i2c chips
  ARM: S5P[v210|c100|64x0]: Fix build error
  gpio: pxa: clamp gpio get value to [0,1]
  ARM: s3c24xx: explicit dependency on <plat/gpio-cfg.h>
  ARM: S3C[24|64]xx: move includes back under <mach/> scope
  Documentation / ACPI: update to GPIO descriptor API
  gpio / ACPI: get rid of acpi_gpio.h
  gpio / ACPI: register to ACPI events automatically
  mmc: sdhci-acpi: convert to use GPIO descriptor API
  ARM: s3c24xx: fix build error
  gpio: f7188x: set can_sleep attribute
  gpio: samsung: Update documentation
  gpio: samsung: Remove hardware.h inclusion
  gpio: xtensa: depend on HAVE_XTENSA_GPIO32
  gpio: clps711x: Enable driver compilation with COMPILE_TEST
  gpio: clps711x: Use of_match_ptr()
  net: rfkill: gpio: convert to descriptor-based GPIO interface
  leds: s3c24xx: Fix build failure
  ...
2014-01-21 10:09:12 -08:00
Milo Kim
0cc59b9d98 gpio: add LP3943 I2C GPIO expander driver
This is one of LP3943 MFD driver.
LP3943 is configurable as a GPIO expander, up to 16 GPIOs.

* Application note: how to configure LP3943 as a GPIO expander
  http://www.ti.com/lit/an/snva287a/snva287a.pdf

* Supported GPIO controller operations
  request, free, direction_input, direction_output, get and set

* GPIO direction register not supported
  LP3943 doesn't have the GPIO direction register. It only provides input and
  output status registers.
  So, private data for the direction should be handled manually.
  This variable is updated whenever the direction is changed and
  used in 'get' operation.

* Pin assignment
  A driver data, 'pin_used' is checked when a GPIO is requested.
  If the GPIO is already assigned, then returns as failure.
  If the GPIO is available, 'pin_used' is set.
  When the GPIO is not used anymore, then it is cleared.
  It is defined as unsigned long type for atomic bit operation APIs,
  but only LSB 16bits are used because LP3943 has 16 outputs.

Signed-off-by: Milo Kim <milo.kim@ti.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21 08:27:57 +00:00
Linus Walleij
01d7004181 gpio: mcp23s08: depend on OF_GPIO
The MCP drivers fails to compile on trial builds due to missing
Kconfig dependency on OF_GPIO. Fix it.

Cc: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-20 09:07:34 +01:00
Lars Poeschel
4e47f91bf7 gpio: mcp23s08: Add irq functionality for i2c chips
This adds interrupt functionality for i2c chips to the driver.
They can act as a interrupt-controller and generate interrupts, if
the inputs change.
This is tested with a mcp23017 chip on an arm based platform.

v3:
- be a bit more clear that the irq functionality is also available
  on spi versions of the chips, but the linux driver does not support
  this yet

v2:
- some more word about irq-mirror property in binding doc
- use of_read_bool instead of of_find_property for
  "interrupt-contrller" and "irq-mirror"
- cache the "interrupt-controller" for remove function
- do set the irq-mirror bit only if device is marked as
  interrupt-controller
- do create the irq mapping and setup of irq_desc of all possible
  interrupts in probe path instead of in gpio_to_irq
- mark gpios as in use as interrupts in irq in irq_startup and
  unlock it in irq_shutdown
- rename virq to child_irq
- remove dev argument from mcp23s08_irq_setup function
- move gpiochip_add before mcp23s08_irq_setup in probe path

Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-17 15:30:14 +01:00
Baruch Siach
a1a2bdec47 gpio: xtensa: depend on HAVE_XTENSA_GPIO32
Prevent build failure when the selected variant does not support GPIO32.

Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-07 18:58:19 +01:00
Alexander Shiyan
ffd4bf1a9e gpio: clps711x: Enable driver compilation with COMPILE_TEST
This helps increasing build testing coverage.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-07 18:54:31 +01:00
Grygorii Strashko
ee89cf63a1 gpio: introduce GPIO_DAVINCI kconfig option
The compatible to Davinci GPIO HW block is used by other TI SoCs, like
Keystone, where GPIO support is declared as optional.

Hence, introduce GPIO_DAVINCI Kconfig option which will allow to enable
Davinci GPIO driver for Keystone SoCs when needed. At same time, kept
Davinci GPIO driver enabled for Davinci SoCs by default.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2013-12-26 00:02:10 +05:30
Bruno Randolf
12262bef8f gpio: add GPIO support for SMSC SCH311x
This patch adds support for the GPIOs found on the SMSC "Super I/
SCH311x.

The chip detection and I/O functions are copied from sch311x_wdt.

Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-20 10:08:23 +01:00
Baruch Siach
3b31d0eca5 gpio: driver for Xtensa GPIO32
GPIO32 is a standard optional extension to the Xtensa architecture
core that provides preconfigured output and input ports for intra
SoC signaling. The GPIO32 option is implemented as 32bit Tensilica
Instruction Extension (TIE) output state called EXPSTATE, and 32bit
input wire called IMPWIRE. This driver treats input and output
states as two distinct devices.

v3:
* Use BUG() in xtensa_impwire_set_value() to indicate that
  it should never be called (Linus Walleij)
v2:
* Address the comments of Linus Walleij:
  - Add a few comments
  - Expand commit log message
  - Use the BIT() macro for bit offsets
  - Rewrite CPENABLE handling as static inlines
  - Use device_initcall()
* Depend on !SMP for reason explained in the comments (Marc Gauthier)
* Use XCHAL_CP_ID_XTIOP to enable/disable GPIO32 only

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-12 14:33:14 +01:00
Alexander Shiyan
61e7380403 gpio: 74x164: Remove non-DT support
Commit 20bc4d5d56
(gpio: 74x164: Add support for the daisy-chaining) introduce check
for DT for the driver, so driver cannot be used without DT.
There are no in-tree users of this driver, so remove non-DT support
completely.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-12 14:27:57 +01:00
Jonas Jensen
0299b77b44 gpio: Add MOXA ART GPIO driver
Add GPIO driver for MOXA ART SoCs.

Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-03 11:26:08 +01:00
Jean Delvare
d463c6ff88 gpio-lynxpoint: Allow building as a module
Change CONFIG_GPIO_LYNXPOINT from bool to tristate so that the
gpio-lynxpoint driver can be built as a module.

Add the required glue: an exit function to unregister the driver, and
module information.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-03 11:26:07 +01:00
Linus Torvalds
c2d3306991 GPIO bulk changes for the v3.13 development cycle
- Merged the GPIO descriptor API from Alexandre Courbot.
   This is a first step toward trying to get rid of the
   global GPIO numberspace for the future.
 
 - Add an API so that driver can flag that a certain GPIO
   line is being used by a irqchip backend for generating
   IRQs, so that we can enforce checks, like not allowing
   users to switch that line to an output at runtime, since
   this makes no sense. Implemented corresponding calls
   in a few select drivers.
 
 - ACPI GPIO cleanups, refactorings and switch to using the
   descriptor-based interface.
 
 - Support for the TPS80036 Palmas GPIO variant.
 
 - A new driver for the Broadcom Kona GPIO SoC IP block.
 
 - Device tree support for the PCF857x driver.
 
 - A set of ARM GPIO refactorings with the goal of getting
   rid of a bunch of custom GPIO implementations from the
   arch/arm/* tree:
 
   - Move the IOP GPIO driver to the GPIO subsystem and
     fix all users to use the gpiolib API for accessing
     GPIOs. Delete the old custom GPIO implementation.
 
   - Delete the unused custom PXA GPIO implemention.
 
   - Convert all users of the IXP4 custom GPIO
     implementation to use gpiolib and delete the custom
     implementation.
 
   - Delete the custom Gemini GPIO implementation, also
     completely unused.
 
 - Various cleanups and renamings.
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Merge tag 'gpio-v3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO changes from Linus Walleij:
 "Here is the bulk of GPIO changes for the v3.13 development cycle.

  I've got ACKs for the things that affect other subsystems (or it's my
  own subsystem, like pinctrl).  Most of that pertain to an attempt from
  my side to consolidate and get rid of custom GPIO implementations in
  the ARM tree.  I will continue doing this.

  The main change this time is the new GPIO descriptor API, background
  for this can be found in Corbet's summary from this january in LWN:

    http://lwn.net/Articles/533632/

  Summary:

   - Merged the GPIO descriptor API from Alexandre Courbot.  This is a
     first step toward trying to get rid of the global GPIO numberspace
     for the future.

   - Add an API so that driver can flag that a certain GPIO line is
     being used by a irqchip backend for generating IRQs, so that we can
     enforce checks, like not allowing users to switch that line to an
     output at runtime, since this makes no sense.  Implemented
     corresponding calls in a few select drivers.

   - ACPI GPIO cleanups, refactorings and switch to using the
     descriptor-based interface.

   - Support for the TPS80036 Palmas GPIO variant.

   - A new driver for the Broadcom Kona GPIO SoC IP block.

   - Device tree support for the PCF857x driver.

   - A set of ARM GPIO refactorings with the goal of getting rid of a
     bunch of custom GPIO implementations from the arch/arm/* tree:

     * Move the IOP GPIO driver to the GPIO subsystem and fix all users
       to use the gpiolib API for accessing GPIOs.  Delete the old
       custom GPIO implementation.

     * Delete the unused custom PXA GPIO implemention.

     * Convert all users of the IXP4 custom GPIO implementation to use
       gpiolib and delete the custom implementation.

     * Delete the custom Gemini GPIO implementation, also completely
       unused.

   - Various cleanups and renamings"

* tag 'gpio-v3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (85 commits)
  gpio: gpio-mxs: Remove unneeded dt checks
  gpio: pl061: don't depend on CONFIG_ARM
  gpio: bcm-kona: add missing .owner to struct gpio_chip
  gpiolib: provide a declaration of seq_file in gpio/driver.h
  gpiolib: include gpio/consumer.h in of_gpio.h for desc_to_gpio()
  gpio: provide stubs for devres gpio functions
  gpiolib: devres: add missing headers
  gpiolib: make GPIO_DEVRES depend on GPIOLIB
  gpiolib: devres: fix devm_gpiod_get_index()
  gpiolib / ACPI: document the GPIO descriptor based interface
  gpiolib / ACPI: allow passing GPIOF_ACTIVE_LOW for GpioInt resources
  gpiolib / ACPI: add ACPI support for gpiod_get_index()
  gpiolib / ACPI: convert to gpiod interfaces
  gpiolib: add gpiod_get() and gpiod_put() functions
  gpiolib: port of_ functions to use gpiod
  gpiolib: export descriptor-based GPIO interface
  Fixup "MAINTAINERS: GPIO-INTEL-MID: add maintainer"
  gpio: bcm281xx: Don't print addresses of GPIO area in probe()
  gpio: tegra: use new gpio_lock_as_irq() API
  gpio: rcar: Include linux/of.h header
  ...
2013-11-12 15:50:46 +09:00
Rob Herring
8a24284275 gpio: pl061: don't depend on CONFIG_ARM
The pl061 driver has no real dependency on ARM, so remove the kconfig
dependency.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-11-06 10:41:38 +01:00
Alexandre Courbot
b69ac52449 gpiolib: make GPIO_DEVRES depend on GPIOLIB
Current Kconfig allows GPIO_DEVRES to be selected and compiled without
GPIOLIB. This does not make sense anymore since GPIOLIB has become the
exclusive way to deal with GPIOs. This patch makes GPIO_DEVRES available
only if GPIOLIB is selected.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-10-29 18:26:13 -07:00
Christian Ruppert
c6ce2b6bff gpio: add TB10x GPIO driver
The GPIO driver for the Abilis Systems TB10x series of SOCs based on ARC700
CPUs. It supports GPIO control and GPIO interrupt generation. This driver
works in conjunction with the TB10x pinctrl driver.

Signed-off-by: Sascha Leuenberger <sascha.leuenberger@abilis.com>
Signed-off-by: Christian Ruppert <christian.ruppert@abilis.com>
Acked-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-10-25 23:42:34 +02:00
David Cohen
84743ea369 gpio: rename gpio-langwell to gpio-intel-mid
gpio-langwell is a deprecated name. Despite the driver was made
initially for Langwell, it supports now other Intel Mid SoC's.

This patch does no change beside the file renaming with Kconfig/Makefile
update.

Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-10-11 16:30:47 +02:00
Linus Walleij
7af2755d78 Merge branch 'iop-cleanup' into devel 2013-09-23 12:47:14 +02:00
Linus Walleij
e9004f5039 ARM: plat-iop: move the GPIO driver to drivers/gpio
Move the IOP GPIO driver to live with its siblings in the
GPIO subsystem.

Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Mikael Pettersson <mikpe@it.uu.se>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-09-20 23:03:36 +02:00
Jean Delvare
7d1815e1e5 gpio: ucb1400: Can be built as a module
With the recent code cleanup from Marek Vasut, driver gpio-ucb1400 can
be built as a module, so change symbol GPIO_UCB1400 from bool to
tristate.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-09-20 22:20:58 +02:00
Markus Mayer
757651e3d6 gpio: bcm281xx: Add GPIO driver
Add the GPIO driver for the Broadcom bcm281xx family of mobile SoCs.
These GPIO controllers may contain up to 8 banks where each bank
includes 32 pins that can be driven high or low and act as an edge
sensitive interrupt.

Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
Reviewed-by: Christian Daudt <csd@broadcom.com>
Reviewed-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Matt Porter <matt.porter@linaro.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
[Added depends on OF_GPIO]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-09-20 20:26:13 +02:00
Ian Molton
b59278548e emev2: GPIOLIB: Enable support for OF
EMEV2 is now a DT platform, however the GPIO driver cannot be used
from a DT file since it does not fill out the of_node field in its
gpio_chip structure.

Signed-off-by: Ian Molton <ian.molton@codethink.co.uk>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-09-19 15:33:45 +02:00
Martin Schwidefsky
0244ad004a Remove GENERIC_HARDIRQ config option
After the last architecture switched to generic hard irqs the config
options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
for !CONFIG_GENERIC_HARDIRQS can be removed.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-09-13 15:09:52 +02:00
Linus Torvalds
5a7d8a2808 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "This has been sitting in -next for a while with no objections and all
  MIPS defconfigs except one are building fine; that one platform got
  broken by another patch in your tree and I'm going to submit a patch
  separately.

   - a handful of fixes that didn't make 3.11
   - a few bits of Octeon 3 support with more to come for a later
     release
   - platform enhancements for Octeon, ath79, Lantiq, Netlogic and
     Ralink SOCs
   - a GPIO driver for the Octeon
   - some dusting off of the DECstation code
   - the usual dose of cleanups"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (65 commits)
  MIPS: DMA: Fix BUG due to smp_processor_id() in preemptible code
  MIPS: kexec: Fix random crashes while loading crashkernel
  MIPS: kdump: Skip walking indirection page for crashkernels
  MIPS: DECstation HRT calibration bug fixes
  MIPS: Export copy_from_user_page() (needed by lustre)
  MIPS: Add driver for the built-in PCI controller of the RT3883 SoC
  MIPS: DMA: For BMIPS5000 cores flush region just like non-coherent R10000
  MIPS: ralink: Add support for reset-controller API
  MIPS: ralink: mt7620: Add cpu-feature-override header
  MIPS: ralink: mt7620: Add spi clock definition
  MIPS: ralink: mt7620: Add wdt clock definition
  MIPS: ralink: mt7620: Improve clock frequency detection
  MIPS: ralink: mt7620: This SoC has EHCI and OHCI hosts
  MIPS: ralink: mt7620: Add verbose ram info
  MIPS: ralink: Probe clocksources from OF
  MIPS: ralink: Add support for systick timer found on newer ralink SoC
  MIPS: ralink: Add support for periodic timer irq
  MIPS: Netlogic: Built-in DTB for XLP2xx SoC boards
  MIPS: Netlogic: Add support for USB on XLP2xx
  MIPS: Netlogic: XLP2xx update for I2C controller
  ...
2013-09-12 16:14:49 -07:00
Simon Guinot
6c17aa0138 gpio: add GPIO support for F71882FG and F71889F
This patch adds support for the GPIOs found on the Fintek super-I/O
chips F71882FG and F71889F.

A super-I/O is a legacy I/O controller embedded on x86 motherboards. It
is used to connect the low-bandwidth devices. Among others functions the
F71882FG/F71889F provides: a parallel port, two serial ports, a keyboard
controller, an hardware monitoring controller and some GPIO pins.

Note that this super-I/Os are embedded on some Atom-based LaCie NASes.
The GPIOs are used to control the LEDs and the hard drive power.

Changes since v3:
- Use request_muxed_region to protect the I/O ports against concurrent
  accesses.

Changes since v2:
- Remove useless NULL setters for driver data.

Changes since v1:
- Enhance the commit message by describing what is a Super-I/O.
- Use self-explanatory names for the GPIO register macros.
- Add a comment to explain the platform device and driver registration.
- Fix gpio_get when GPIO is configured in input mode. I only had
  the hardware to check this mode recently...

Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-08-30 09:25:52 +02:00
David Daney
aca58a6620 gpio MIPS/OCTEON: Add a driver for OCTEON's on-chip GPIO pins.
The SOCs in the OCTEON family have 16 (or in some cases 20) on-chip
GPIO pins, this driver handles them all.  Configuring the pins as
interrupt sources is handled elsewhere (OCTEON's irq handling code).

Signed-off-by: David Daney <david.daney@cavium.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-gpio@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/5633/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-08-26 15:33:40 +02:00
Guenter Roeck
d22fcde0b5 gpio: Kontron PLD gpio driver
Add gpio support for the on-board PLD found on some Kontron embedded modules.

Originally-from: Michael Brunner <michael.brunner@kontron.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Kevin Strasser <kevin.strasser@linux.intel.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-07-21 16:30:19 +02:00
James Hogan
04777396d8 gpio-tz1090: convert to use generic irqchip
Convert gpio-tz1090 driver to use generic irqchips. This allows the
irq_ack, irq_mask, and irq_unmask callbacks and associated helper
functions to be removed. Also switch to using irq_setup_alt_chip() in
the irq_set_type callback instead of using __irq_set_handler_locked().

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-07-20 19:05:15 +02:00
James Hogan
79bb646001 gpio-tz1090-pdc: add TZ1090 PDC gpio driver
Add a GPIO driver for the low-power Powerdown Controller GPIOs in the
TZ1090 SoC.

The driver is instantiated by device tree and supports interrupts for
the SysWake GPIOs only.

Changes in v4:
 - fix typos in DT bindings compatible properties
 - reference Documentation/devicetree/bindings/gpio/gpio.txt in
   gpio-ranges description in DT bindings
 - fix gpio-ranges examples in DT bindings (it must now have 3 cells)

Changes in v3:
 - separated from irq-imgpdc and removed arch/metag changes to allow
   these patches to go upstream separately via the pinctrl[/gpio] trees
   (particularly the pinctrl drivers depend on the new pinconf DT
   bindings).
 - some s/unsigned/unsigned int/.
 - gpio-tz1090*: refer to <dt-bindings/gpio/gpio.h> and
   <dt-bindings/interrupt-controller/irq.h> flags in bindings.
 - gpio-tz1090*: move initcall from postcore to subsys.

Changes in v2:
 - gpio-tz1090-pdc: remove references to Linux flags in dt bindings
 - gpio-tz1090-pdc: make use of BIT() from linux/bitops.h
 - gpio-tz1090-pdc: make register accessors inline to match pinctrl
 - gpio-tz1090-pdc: update gpio-ranges to use 3 cells after recent ABI
   breakage

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-doc@vger.kernel.org
Cc: devicetree-discuss@lists.ozlabs.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-07-20 19:03:48 +02:00
James Hogan
9caf1f2202 gpio-tz1090: add TZ1090 gpio driver
Add a GPIO driver for the main GPIOs found in the TZ1090 (Comet) SoC.
This doesn't include low-power GPIOs as they're controlled separately
via the Powerdown Controller (PDC) registers.

The driver is instantiated by device tree and supports interrupts for
all GPIOs.

Changes in v4:
 - fix typos in DT bindings compatible properties
 - reference Documentation/devicetree/bindings/gpio/gpio.txt in
   gpio-ranges description in DT bindings
 - fix gpio-ranges examples in DT bindings (it must now have 3 cells)
 - gpio-tz1090: use of_property_read_u32 instead of of_get_property

Changes in v3:
 - separated from irq-imgpdc and removed arch/metag changes to allow
   these patches to go upstream separately via the pinctrl[/gpio] trees
   (particularly the pinctrl drivers depend on the new pinconf DT
   bindings).
 - some s/unsigned/unsigned int/.
 - some s/unsigned int/bool/ and use of BIT().
 - gpio-tz1090*: refer to <dt-bindings/gpio/gpio.h> and
   <dt-bindings/interrupt-controller/irq.h> flags in bindings.
 - gpio-tz1090*: move initcall from postcore to subsys.
 - gpio-tz1090: add REG_ prefix to some constants for consistency.
 - gpio-tz1090: add comment to explain tz1090_gpio_irq_next_edge
   cunningness.

Changes in v2:
 - gpio-tz1090: remove references to Linux flags in dt bindings
 - gpio-tz1090: make use of BIT() from linux/bitops.h
 - gpio-tz1090: make register accessors inline to match pinctrl
 - gpio-tz1090: update gpio-ranges to use 3 cells after recent ABI
   breakage

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-doc@vger.kernel.org
Cc: devicetree-discuss@lists.ozlabs.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-07-20 19:00:44 +02:00
Linus Torvalds
60b5adffb4 GPIO changes for the v3.11 development cycle:
- Incremental development for the Langwell (Atom SoC),
   Xilinx, ICH and RCAR drivers.
 - Cleanups from Jingoo Han, Axel Lin, Wei Jongjun,
   Wolfram Sang, Tushar Behera, Sachin Kamat and Yijing Wang.
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Merge tag 'gpio-for-v3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "Here is a batch of GPIO changes for v3.11.  I have agreed with Grant
  to take care of the pull requests for this development cycle.

  No special things are happening in the GPIO tree this time (nice with
  some calm) and I have been extra careful to do regression builds and
  it's well boiled in -next.

  GPIO changes for the v3.11 development cycle:
   - Incremental development for the Langwell (Atom SoC), Xilinx, ICH
     and RCAR drivers.
   - Cleanups from Jingoo Han, Axel Lin, Wei Jongjun, Wolfram Sang,
     Tushar Behera, Sachin Kamat and Yijing Wang"

* tag 'gpio-for-v3.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (35 commits)
  Gpio/trivial: replace numeric with standard PM state macros
  gpiolib: remove warnning of allocations with IRQs disabled
  gpio: grgpio: Staticize local symbols
  gpio-langwell: remove Withney point support
  gpio: ich: add GPO_BLINK support
  gpio-sta2x11: Convert to use devm_ioremap_resource
  gpio_msm: Convert to use devm_ioremap_resource
  gpio-rcar: Use OUTDT when reading GPIOs configured as output
  gpio-sta2x11: Fix potential NULL pointer dereference
  gpio/omap: omap_gpio_init_context stub must be inline
  gpio: msm-v1: Remove errant __devinit to fix compile
  gpio: devres: make comments proper
  GPIO: xilinx: Enable driver for Xilinx zynq
  DT: Add documentation for gpio-xilinx
  GPIO: xilinx: Use BIT macro
  GPIO: xilinx: Use __raw_readl/__raw_writel IO functions
  GPIO: xilinx: Add support for dual channel
  GPIO: xilinx: Simplify driver probe function
  gpio: sx150x: convert to use devm_* functions
  MAINTAINERS: add linux-gpio mailing list
  ...
2013-07-03 11:39:44 -07:00
Linus Torvalds
3883cbb6c1 ARM SoC specific changes
These changes are all to SoC-specific code, a total of 33 branches on
 17 platforms were pulled into this. Like last time, Renesas sh-mobile
 is now the platform with the most changes, followed by OMAP and EXYNOS.
 
 Two new platforms, TI Keystone and Rockchips RK3xxx are added in
 this branch, both containing almost no platform specific code at all,
 since they are using generic subsystem interfaces for clocks, pinctrl,
 interrupts etc. The device drivers are getting merged through the
 respective subsystem maintainer trees.
 
 One more SoC (u300) is now multiplatform capable and several others
 (shmobile, exynos, msm, integrator, kirkwood, clps711x) are moving
 towards that goal with this series but need more work.
 
 Also noteworthy is the work on PCI here, which is traditionally part of
 the SoC specific code. With the changes done by Thomas Petazzoni, we can
 now more easily have PCI host controller drivers as loadable modules and
 keep them separate from the platform code in drivers/pci/host. This has
 already led to the discovery that three platforms (exynos, spear and imx)
 are actually using an identical PCIe host controller and will be able
 to share a driver once support for spear and imx is added.
 
 Conflicts:
 * asm/glue-proc.h has one CPU type getting added that conflicts
   with another addition in 3.10-rc7
 * Simple context changes in arch/arm/Makefile and arch/arm/Kconfig
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC specific changes from Arnd Bergmann:
 "These changes are all to SoC-specific code, a total of 33 branches on
  17 platforms were pulled into this.  Like last time, Renesas sh-mobile
  is now the platform with the most changes, followed by OMAP and
  EXYNOS.

  Two new platforms, TI Keystone and Rockchips RK3xxx are added in this
  branch, both containing almost no platform specific code at all, since
  they are using generic subsystem interfaces for clocks, pinctrl,
  interrupts etc.  The device drivers are getting merged through the
  respective subsystem maintainer trees.

  One more SoC (u300) is now multiplatform capable and several others
  (shmobile, exynos, msm, integrator, kirkwood, clps711x) are moving
  towards that goal with this series but need more work.

  Also noteworthy is the work on PCI here, which is traditionally part
  of the SoC specific code.  With the changes done by Thomas Petazzoni,
  we can now more easily have PCI host controller drivers as loadable
  modules and keep them separate from the platform code in
  drivers/pci/host.  This has already led to the discovery that three
  platforms (exynos, spear and imx) are actually using an identical PCIe
  host controller and will be able to share a driver once support for
  spear and imx is added."

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (480 commits)
  ARM: integrator: let pciv3 use mem/premem from device tree
  ARM: integrator: set local side PCI addresses right
  ARM: dts: Add pcie controller node for exynos5440-ssdk5440
  ARM: dts: Add pcie controller node for Samsung EXYNOS5440 SoC
  ARM: EXYNOS: Enable PCIe support for Exynos5440
  pci: Add PCIe driver for Samsung Exynos
  ARM: OMAP5: voltagedomain data: remove temporary OMAP4 voltage data
  ARM: keystone: Move CPU bringup code to dedicated asm file
  ARM: multiplatform: always pick one CPU type
  ARM: imx: select syscon for IMX6SL
  ARM: keystone: select ARM_ERRATA_798181 only for SMP
  ARM: imx: Synertronixx scb9328 needs to select SOC_IMX1
  ARM: OMAP2+: AM43x: resolve SMP related build error
  dmaengine: edma: enable build for AM33XX
  ARM: edma: Add EDMA crossbar event mux support
  ARM: edma: Add DT and runtime PM support to the private EDMA API
  dmaengine: edma: Add TI EDMA device tree binding
  arm: add basic support for Rockchip RK3066a boards
  arm: add debug uarts for rockchip rk29xx and rk3xxx series
  arm: Add basic clocks for Rockchip rk3066a SoCs
  ...
2013-07-02 13:43:38 -07:00
Arnd Bergmann
ff8fa4e287 cleanup and removing dead code for only support DT for exynos
- remove board file for exynos
 - remove legacy files which are not used anymore
 - decouple ARCH_EXYNOS from PLAT_S5P
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Merge tag 'remove-nondt-exynos-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

From Kukjin Kim:

cleanup and removing dead code for only support DT for exynos
- remove board file for exynos
- remove legacy files which are not used anymore
- decouple ARCH_EXYNOS from PLAT_S5P

* tag 'remove-nondt-exynos-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (35 commits)
  ARM: EXYNOS: Remove remaining dead code after non-DT support removal
  ARM: EXYNOS: Remove legacy L2X0 initialization
  ARM: EXYNOS: Use exynos_init_io() as map_io callback
  ARM: EXYNOS: Remove custom init_irq callbacks
  ARM: EXYNOS: Remove mach/regs-usb-phy.h header
  thermal: exynos: Support both EXYNOS4X12 SoCs
  ARM: EXYNOS: Remove unused base addresses from mach/map.h header
  ARM: EXYNOS: Remove mach/irqs.h header
  ARM: EXYNOS: Select SPARSE_IRQ for Exynos
  ARM: SAMSUNG: Make legacy MFC support code depend on SAMSUNG_ATAGS
  ARM: EXYNOS: Remove mach/regs-gpio.h header
  ARM: EXYNOS: Remove mach/gpio.h
  ARM: EXYNOS: Remove setup-i2c0.c
  ARM: EXYNOS: Do not select legacy Kconfig symbols any more
  ARM: SAMSUNG: Include most of mach/ headers conditionally
  ARM: EXYNOS: Decouple ARCH_EXYNOS from PLAT_S5P
  USB: Check for ARCH_EXYNOS separately
  platform: Check for ARCH_EXYNOS separately
  ARM: SAMSUNG: Compile legacy IRQ and GPIO PM code only with ATAGS support
  ARM: EXYNOS: Provide compatibility stubs for PM code in pm-core.h header
  ...

Conflicts:
	arch/arm/mach-exynos/Kconfig

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-06-20 22:36:11 +02:00
Tomasz Figa
880cf0717f ARM: SAMSUNG: Introduce GPIO_SAMSUNG Kconfig entry
This patch adds Kconfig entry that selects whether legacy Samsung GPIO
driver should be built or not. For platforms that support only DT based
boot, the new pinctrl driver is used and so the old one is not needed.

Cc: Grant Likely <grant.likely@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-06-19 01:24:27 +09:00
Michal Simek
78c7d8d289 GPIO: xilinx: Enable driver for Xilinx zynq
Enable gpio driver for usage on Xilinx ARM zynq platform.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-17 07:51:55 +02:00
Olof Johansson
e45600107b Cleanups for MSM for 3.11
These are a handful of cleanups to the MSM tree.  The gpio cleanups
 get us closer to having proper pinmux and gpio support.
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Merge tag 'msm-cleanup-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/cleanup

From David Brown:
Cleanups for MSM for 3.11

These are a handful of cleanups to the MSM tree.  The gpio cleanups
get us closer to having proper pinmux and gpio support.

* tag 'msm-cleanup-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
  mfd: ssbi: Use devm_* and simplify code
  gpio: msm: Add device tree and irqdomain support for gpio-msm-v2
  ARM: msm: Remove gpiomux-v2 and re-organize MSM_GPIOMUX configs
  msm: iomap: Remove unused bases and mappings
  msm: Remove unused file core.h
  ARM: msm: Remove init_irq declaration in machine description

Signed-off-by: Olof Johansson <olof@lixom.net>

Conflicts:
	arch/arm/boot/dts/msm8660-surf.dts
	arch/arm/boot/dts/msm8960-cdp.dts
2013-06-14 18:28:02 -07:00
Rohit Vaswani
43f68444bc gpio: msm: Add device tree and irqdomain support for gpio-msm-v2
This cleans up the gpio-msm-v2 driver of all the global define usage.
The number of gpios are now defined in the device tree. This enables
adding irqdomain support as well.

Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
Acked-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
2013-06-12 14:50:12 -07:00
Alexander Shiyan
55fe14ab87 GPIO: clps711x: Rewrite driver for using generic GPIO code
This patch provides rewritten driver for CLPS711X GPIO which uses
generic GPIO code.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-11 15:44:02 -07:00
Axel Lin
2b861f4b2b gpio: max7300: Fix trivial typo in Kconfig help text
max7301 is controlled through SPI interface which means another driver.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:20:22 +02:00
Axel Lin
0f119a840b gpio: mcp23s08: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m
This patch fixes below build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m &&
CONFIG_GPIO_MCP23S08=y.

  LD      init/built-in.o
drivers/built-in.o: In function `mcp23017_write':
clkdev.c:(.text+0x1e14): undefined reference to `i2c_smbus_write_word_data'
drivers/built-in.o: In function `mcp23017_read':
clkdev.c:(.text+0x1e24): undefined reference to `i2c_smbus_read_word_data'
drivers/built-in.o: In function `mcp23008_write':
clkdev.c:(.text+0x1e8c): undefined reference to `i2c_smbus_write_byte_data'
drivers/built-in.o: In function `mcp23008_read':
clkdev.c:(.text+0x1e98): undefined reference to `i2c_smbus_read_byte_data'
drivers/built-in.o: In function `mcp23008_read_regs':
clkdev.c:(.text+0x1ed0): undefined reference to `i2c_smbus_read_byte_data'
drivers/built-in.o: In function `mcp23s08_init':
clkdev.c:(.init.text+0x30): undefined reference to `i2c_register_driver'
drivers/built-in.o: In function `mcp23s08_exit':
clkdev.c:(.exit.text+0x30): undefined reference to `i2c_del_driver'
make: *** [vmlinux] Error 1

When CONFIG_I2C=m, meaning we can't build the drivers in with I2C support.
Thus don't allow the drivers to be compiled as built-in when CONFIG_I2C=m.

The real fix though is to break the driver apart into a SPI part, an I2C part
and a common part. But that's something for 3.11 while this is something for
3.10/stable.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-20 19:16:16 +02:00
Linus Torvalds
5647ac0ad4 Removal of GENERIC_GPIO for v3.10
GENERIC_GPIO now synonymous with GPIOLIB. There are no longer any valid
 cases for enableing GENERIC_GPIO without GPIOLIB, even though it is
 possible to do so which has been causing confusion and breakage. This
 branch does the work to completely eliminate GENERIC_GPIO.
 
 However, it is not trivial to just create a branch to remove it. Over
 the course of the v3.9 cycle more code referencing GENERIC_GPIO has been
 added to linux-next that conflicts with this branch. The following must
 be done to resolve the conflicts when merging this branch into mainline:
 
 * "git grep CONFIG_GENERIC_GPIO" should return 0 hits. Matches should be
   replaced with CONFIG_GPIOLIB
 * "git grep '\bGENERIC_GPIO\b'" should return 1 hit in the Chinese
   documentation.
 * Selectors of GENERIC_GPIO should be turned into selectors of GPIOLIB
 * definitions of the option in architecture Kconfig code should be deleted.
 
 Stephen has 3 merge fixup patches[1] that do the above. They are currently
 applicable on mainline as of May 2nd.
 
 [1] http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg428056.html
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux

Pull removal of GENERIC_GPIO from Grant Likely:
 "GENERIC_GPIO now synonymous with GPIOLIB.  There are no longer any
  valid cases for enableing GENERIC_GPIO without GPIOLIB, even though it
  is possible to do so which has been causing confusion and breakage.
  This branch does the work to completely eliminate GENERIC_GPIO."

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux:
  gpio: update gpio Chinese documentation
  Remove GENERIC_GPIO config option
  Convert selectors of GENERIC_GPIO to GPIOLIB
  blackfin: force use of gpiolib
  m68k: coldfire: use gpiolib
  mips: pnx833x: remove requirement for GENERIC_GPIO
  openrisc: default GENERIC_GPIO to false
  avr32: default GENERIC_GPIO to false
  xtensa: remove explicit selection of GENERIC_GPIO
  sh: replace CONFIG_GENERIC_GPIO by CONFIG_GPIOLIB
  powerpc: remove redundant GENERIC_GPIO selection
  unicore32: default GENERIC_GPIO to false
  unicore32: remove unneeded select GENERIC_GPIO
  arm: plat-orion: use GPIO driver on CONFIG_GPIOLIB
  arm: remove redundant GENERIC_GPIO selection
  mips: alchemy: require gpiolib
  mips: txx9: change GENERIC_GPIO to GPIOLIB
  mips: loongson: use GPIO driver on CONFIG_GPIOLIB
  mips: remove redundant GENERIC_GPIO select
2013-05-09 09:59:16 -07:00
Linus Torvalds
a8c4b90e67 ARM: arm-soc platform updates for 3.10, part 2
These patches are all for Renesas shmobile, and depend on the earlier
 pinctrl updates. Remarkably, this adds support for three new SoCs:
 r8a73a4, r8a73a4 and r8a7778. The bulk of the code added for these is
 for pinctrl (using the new subsystem) and for clocks (not yet using the
 common clock subsystem). The latter will have to get converted in one
 of the upcoming releases, but shmobile is not ready for that yet.
 
 The series also contains Renesas shmobile board changes, adding one
 board file for each of the three new SoCs.  These boards are using a
 mix of classic and device-tree based probing, as there is still a lot of
 infrastructure in shmobile that has not been converted to DT yet. Once
 those are resolved to the degree that no board specific setup code is
 needed, they can get folded into the respective SoC setup files.
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Merge tag 'soc-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates (part 2) from Arnd Bergmann:
 "These patches are all for Renesas shmobile, and depend on the earlier
  pinctrl updates.  Remarkably, this adds support for three new SoCs:
  r8a73a4, r8a73a4 and r8a7778.  The bulk of the code added for these is
  for pinctrl (using the new subsystem) and for clocks (not yet using
  the common clock subsystem).  The latter will have to get converted in
  one of the upcoming releases, but shmobile is not ready for that yet.

  The series also contains Renesas shmobile board changes, adding one
  board file for each of the three new SoCs.  These boards are using a
  mix of classic and device-tree based probing, as there is still a lot
  of infrastructure in shmobile that has not been converted to DT yet.
  Once those are resolved to the degree that no board specific setup
  code is needed, they can get folded into the respective SoC setup files."

* tag 'soc-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (78 commits)
  ARM: shmobile: use r8a7790 timer setup code on Lager
  ARM: shmobile: force enable of r8a7790 arch timer
  ARM: shmobile: Add second I/O range for r8a7790 PFC
  ARM: shmobile: bockw: enable network settings on bootargs
  ARM: shmobile: bockw: add SMSC ethernet support
  ARM: shmobile: R8A7778: add Ether support
  ARM: shmobile: bockw: enable SMSC ethernet on defconfig
  ARM: shmobile: r8a7778: add r8a7778_init_irq_extpin()
  ARM: shmobile: r8a7778: remove pointless PLATFORM_INFO()
  ARM: shmobile: mackerel: clean up MMCIF vs. SDHI1 selection
  ARM: shmobile: mackerel: add interrupt names for SDHI0
  ARM: shmobile: mackerel: switch SDHI and MMCIF interfaces to slot-gpio
  ARM: shmobile: mackerel: remove OCR masks, where regulators are used
  ARM: shmobile: mackerel: SDHI resources do not have to be numbered
  ARM: shmobile: Initial r8a7790 Lager board support
  ARM: shmobile: APE6EVM LAN9220 support
  ARM: shmobile: APE6EVM PFC support
  ARM: shmobile: APE6EVM base support
  ARM: shmobile: kzm9g-reference: add ethernet support
  ARM: shmobile: add R-Car M1A Bock-W platform support
  ...
2013-05-07 10:57:51 -07:00
Linus Torvalds
30c67e93c5 GPIO changes for Linux 3.10
The usual selection of bug fixes and driver updates for GPIO. Nothing
 really stands out except the addition of the GRGPIO driver and some
 enhacements to ACPI support
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux

Pull GPIO changes from Grant Likely:
 "The usual selection of bug fixes and driver updates for GPIO.  Nothing
  really stands out except the addition of the GRGPIO driver and some
  enhacements to ACPI support"

I'm pulling this despite the earlier mess.  Let's hope it compiles these
days.

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux: (46 commits)
  gpio: grgpio: Add irq support
  gpio: grgpio: Add device driver for GRGPIO cores
  gpiolib-acpi: introduce acpi_get_gpio_by_index() helper
  GPIO: gpio-generic: remove kfree() from bgpio_remove call
  gpio / ACPI: Handle ACPI events in accordance with the spec
  gpio: lpc32xx: Fix off-by-one valid range checking for bank
  gpio: mcp23s08: convert driver to DT
  gpio/omap: force restore if context loss is not detectable
  gpio/omap: optimise interrupt service routine
  gpio/omap: remove extra context restores in *_runtime_resume()
  gpio/omap: free irq domain in probe() failure paths
  gpio: gpio-generic: Add 16 and 32 bit big endian byte order support
  gpio: samsung: Add terminating entry for exynos_pinctrl_ids
  gpio: mvebu: add dbg_show function
  MAX7301 GPIO: Do not force SPI speed when using OF Platform
  gpio: gpio-tps65910.c: fix checkpatch error
  gpio: gpio-timberdale.c: fix checkpatch error
  gpio: gpio-tc3589x.c: fix checkpatch errors
  gpio: gpio-stp-xway.c: fix checkpatch error
  gpio: gpio-sch.c: fix checkpatch error
  ...
2013-05-06 15:40:55 -07:00
Andreas Larsson
ddb27f3bf7 gpio: grgpio: Add device driver for GRGPIO cores
This driver supports GRGPIO gpio cores available in the GRLIB VHDL IP
core library from Aeroflex Gaisler.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-26 08:50:27 +02:00
Alexandre Courbot
7fd2bf3d32 Remove GENERIC_GPIO config option
GENERIC_GPIO has been made equivalent to GPIOLIB in architecture code
and all driver code has been switch to depend on GPIOLIB. It is thus
safe to have GENERIC_GPIO removed.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
2013-04-16 18:47:19 +09:00
Tony Prisk
dc1010860b gpio: vt8500: Remove arch-vt8500 gpio driver
With the move to a combined pinctrl/gpio driver, the arch-vt8500
gpio driver is no longer required.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-04 18:00:44 +13:00
Magnus Damm
119f5e448d gpio: Renesas R-Car GPIO driver V3
This patch is V3 of a GPIO driver for the R-Car series of
SoCs from Renesas. This driver is designed to be reusable
between multiple SoCs that share the same basic building block,
but so far it has only been used on R-Car H1 (r8a7779).

Each driver instance handles 32 GPIOs with individually
maskable IRQs. The driver operates on a single I/O memory
range and the 32 GPIOs are hooked up a single interrupt.

In the case of R-Car H1 either external IRQ pins or GPIOs
with interrupts can be used for on-board interupts. For
external IRQs 4 pins are supported, and in the case of GPIO
there are 202 GPIOS as 202 interrupts hooked up via 6 driver
instances and to the GIC and the Cortex-A9 Quad.

At this point this driver is interfacing as a regular
platform device driver. In the future DT support will be
submitted as an incremental feature patch.

Signed-off-by: Magnus Damm <damm@opensource.se>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:30:24 +09:00
Mathias Nyman
977d16b87a gpio-lynxpoint: Add X86 dependency and io-port handling header.
Lynxpoint gpio driver uses X86 specific io-ports to control gpios

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:09 +01:00
Linus Torvalds
4c8c225abf GPIO changes for Linux 3.9
This branch contains the usual set of individual driver improvements and
 bug fixes, as well as updates to the core code. The more notable changes
 include:
 
 - Internally add new API for referencing GPIOs by gpio_desc instead of
   number. Eventually this will become a public API
 - ACPI GPIO binding support
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux

Pull GPIO changes from Grant Likely:
 "This branch contains the usual set of individual driver improvements
  and bug fixes, as well as updates to the core code.  The more notable
  changes include:

   - Internally add new API for referencing GPIOs by gpio_desc instead
     of number.  Eventually this will become a public API

   - ACPI GPIO binding support"

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux: (33 commits)
  arm64: select ARCH_WANT_OPTIONAL_GPIOLIB
  gpio: em: Use irq_domain_add_simple() to fix runtime error
  gpio: using common order: let 'static const' instead of 'const static'
  gpio/vt8500: memory cleanup missing
  gpiolib: Fix locking on gpio debugfs files
  gpiolib: let gpio_chip reference its descriptors
  gpiolib: use descriptors internally
  gpiolib: use gpio_chips list in gpiochip_find_base
  gpiolib: use gpio_chips list in sysfs ops
  gpiolib: use gpio_chips list in gpiochip_find
  gpiolib: use gpio_chips list in gpiolib_sysfs_init
  gpiolib: link all gpio_chips using a list
  gpio/langwell: cleanup driver
  gpio/langwell: Add Cloverview ids to pci device table
  gpio/lynxpoint: add chipset gpio driver.
  gpiolib: add missing braces in gpio_direction_show
  gpiolib-acpi: Fix error checks in interrupt requesting
  gpio: mpc8xxx: don't set IRQ_TYPE_NONE when creating irq mapping
  gpiolib: remove gpiochip_reserve()
  arm: pxa: tosa: do not use gpiochip_reserve()
  ...
2013-02-26 09:35:29 -08:00
Linus Torvalds
ab7826595e This is the MFD pull request for the 3.9 merge window.
No new drivers this time, but a bunch of fairly big cleanups:
 
 - Roger Quadros worked on a OMAP USBHS and TLL platform data consolidation,
   OMAP5 support and clock management code cleanup.
 
 - The first step of a major sync for the ab8500 driver from Lee Jones. In
   particular, the debugfs and the sysct interfaces got extended and improved.
 
 - Peter Ujfalusi sent a nice patchset for cleaning and fixing the twl-core
   driver, with a much needed module id lookup code improvement.
 
 - The regular wm5102 and arizona cleanups and fixes from Mark Brown.
 
 - Laxman Dewangan extended the palmas APIs in order to implement the palmas
   GPIO and rt drivers.
 
 - Laxman also added DT support for the tps65090 driver.
 
 - The Intel SCH and ICH drivers got a couple fixes from Aaron Sierra and
   Darren Hart.
 
 - Linus Walleij patchset for the ab8500 driver allowed ab8500 and ab9540 based
   devices to switch to the new abx500 pin-ctrl driver.
 
 - The max8925 now has device tree and irqdomain support thanks to Qing Xu.
 
 - The recently added rtsx driver got a few cleanups and fixes for a better
   card detection code path and now also supports the RTS5227 chipset, thanks
   to Wei Wang and Roger Tseng.
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Merge tag 'mfd-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFS updates from Samuel Ortiz:
 "This is the MFD pull request for the 3.9 merge window.

  No new drivers this time, but a bunch of fairly big cleanups:

   - Roger Quadros worked on a OMAP USBHS and TLL platform data
     consolidation, OMAP5 support and clock management code cleanup.

   - The first step of a major sync for the ab8500 driver from Lee
     Jones.  In particular, the debugfs and the sysct interfaces got
     extended and improved.

   - Peter Ujfalusi sent a nice patchset for cleaning and fixing the
     twl-core driver, with a much needed module id lookup code
     improvement.

   - The regular wm5102 and arizona cleanups and fixes from Mark Brown.

   - Laxman Dewangan extended the palmas APIs in order to implement the
     palmas GPIO and rt drivers.

   - Laxman also added DT support for the tps65090 driver.

   - The Intel SCH and ICH drivers got a couple fixes from Aaron Sierra
     and Darren Hart.

   - Linus Walleij patchset for the ab8500 driver allowed ab8500 and
     ab9540 based devices to switch to the new abx500 pin-ctrl driver.

   - The max8925 now has device tree and irqdomain support thanks to
     Qing Xu.

   - The recently added rtsx driver got a few cleanups and fixes for a
     better card detection code path and now also supports the RTS5227
     chipset, thanks to Wei Wang and Roger Tseng."

* tag 'mfd-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (109 commits)
  mfd: lpc_ich: Use devres API to allocate private data
  mfd: lpc_ich: Add Device IDs for Intel Wellsburg PCH
  mfd: lpc_sch: Accomodate partial population of the MFD devices
  mfd: da9052-i2c: Staticize da9052_i2c_fix()
  mfd: syscon: Fix sparse warning
  mfd: twl-core: Fix kernel panic on boot
  mfd: rtsx: Fix issue that booting OS with SD card inserted
  mfd: ab8500: Fix compile error
  mfd: Add missing GENERIC_HARDIRQS dependecies
  Documentation: Add docs for max8925 dt
  mfd: max8925: Add dts
  mfd: max8925: Support dt for backlight
  mfd: max8925: Fix onkey driver irq base
  mfd: max8925: Fix mfd device register failure
  mfd: max8925: Add irqdomain for dt
  mfd: vexpress: Allow vexpress-sysreg to self-initialise
  mfd: rtsx: Support RTS5227
  mfd: rtsx: Implement driving adjustment to device-dependent callbacks
  mfd: vexpress: Add pseudo-GPIO based LEDs
  mfd: ab8500: Rename ab8500 to abx500 for hwmon driver
  ...
2013-02-24 20:00:58 -08:00
Linus Torvalds
81ec44a6c6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 update from Martin Schwidefsky:
 "The most prominent change in this patch set is the software dirty bit
  patch for s390.  It removes __HAVE_ARCH_PAGE_TEST_AND_CLEAR_DIRTY and
  the page_test_and_clear_dirty primitive which makes the common memory
  management code a bit less obscure.

  Heiko fixed most of the PCI related fallout, more often than not
  missing GENERIC_HARDIRQS dependencies.  Notable is one of the 3270
  patches which adds an export to tty_io to be able to resize a tty.

  The rest is the usual bunch of cleanups and bug fixes."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (42 commits)
  s390/module: Add missing R_390_NONE relocation type
  drivers/gpio: add missing GENERIC_HARDIRQ dependency
  drivers/input: add couple of missing GENERIC_HARDIRQS dependencies
  s390/cleanup: rename SPP to LPP
  s390/mm: implement software dirty bits
  s390/mm: Fix crst upgrade of mmap with MAP_FIXED
  s390/linker skript: discard exit.data at runtime
  drivers/media: add missing GENERIC_HARDIRQS dependency
  s390/bpf,jit: add vlan tag support
  drivers/net,AT91RM9200: add missing GENERIC_HARDIRQS dependency
  iucv: fix kernel panic at reboot
  s390/Kconfig: sort list of arch selected config options
  phylib: remove !S390 dependeny from Kconfig
  uio: remove !S390 dependency from Kconfig
  dasd: fix sysfs cleanup in dasd_generic_remove
  s390/pci: fix hotplug module init
  s390/pci: cleanup clp page allocation
  s390/pci: cleanup clp inline assembly
  s390/perf: cpum_cf: fallback to software sampling events
  s390/mm: provide PAGE_SHARED define
  ...
2013-02-21 17:54:03 -08:00
Linus Torvalds
06991c28f3 Driver core patches for 3.9-rc1
Here is the big driver core merge for 3.9-rc1
 
 There are two major series here, both of which touch lots of drivers all
 over the kernel, and will cause you some merge conflicts:
   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.
   - remove CONFIG_EXPERIMENTAL
 
 If you need me to provide a merged tree to handle these resolutions,
 please let me know.
 
 Other than those patches, there's not much here, some minor fixes and
 updates.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core patches from Greg Kroah-Hartman:
 "Here is the big driver core merge for 3.9-rc1

  There are two major series here, both of which touch lots of drivers
  all over the kernel, and will cause you some merge conflicts:

   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.

   - remove CONFIG_EXPERIMENTAL

  Other than those patches, there's not much here, some minor fixes and
  updates"

Fix up trivial conflicts

* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
  base: memory: fix soft/hard_offline_page permissions
  drivercore: Fix ordering between deferred_probe and exiting initcalls
  backlight: fix class_find_device() arguments
  TTY: mark tty_get_device call with the proper const values
  driver-core: constify data for class_find_device()
  firmware: Ignore abort check when no user-helper is used
  firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
  firmware: Make user-mode helper optional
  firmware: Refactoring for splitting user-mode helper code
  Driver core: treat unregistered bus_types as having no devices
  watchdog: Convert to devm_ioremap_resource()
  thermal: Convert to devm_ioremap_resource()
  spi: Convert to devm_ioremap_resource()
  power: Convert to devm_ioremap_resource()
  mtd: Convert to devm_ioremap_resource()
  mmc: Convert to devm_ioremap_resource()
  mfd: Convert to devm_ioremap_resource()
  media: Convert to devm_ioremap_resource()
  iommu: Convert to devm_ioremap_resource()
  drm: Convert to devm_ioremap_resource()
  ...
2013-02-21 12:05:51 -08:00
Heiko Carstens
29bde2d932 drivers/gpio: add missing GENERIC_HARDIRQ dependency
The VIA VX855/VX875 GPIO and RDC R-321x GPIO support drivers select
MFD_CORE which itself depends on GENERIC_HARDIRQ support.
So add this dependency to these two drivers as well to prevent
selection of MFD_CORE.

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-02-14 15:55:25 +01:00
Laxman Dewangan
3d50a27852 gpio: palmas: Add support for Palmas GPIO
Add gpio driver for TI Palmas series PMIC. This has 8 gpio which can
work as input/output.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-02-14 00:22:45 +01:00
Grant Likely
0fa2fd9a0d Merge branch 'linusw/devel' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git into gpio/next
Device driver features, cleanups and bug fixes.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-05 13:37:46 +00:00
Mathias Nyman
1d09aaa6a3 gpio/lynxpoint: add chipset gpio driver.
Add gpio support for Intel Lynxpoint chipset.

Lynxpoint supports 94 gpio pins which can generate interrupts.
Driver will fail requests for pins that are marked as owned by ACPI, or
set in an alternate mode (non-gpio).

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-05 13:33:29 +00:00
Linus Walleij
a718ff6f9b gpio: delete AB8500 driver
The AB8500 GPIO driver has been marked BROKEN for ages, and we
have something better in store: a shiny new pinctrl driver. So
let use delete this old driver as the first step.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-30 20:42:14 +01:00
Shawn Guo
6a89a314ab gpio: devm_gpio_* support should not depend on GPIOLIB
Some architectures (e.g. blackfin) provide gpio API without requiring
GPIOLIB support (ARCH_WANT_OPTIONAL_GPIOLIB).  devm_gpio_* functions
should also work for these architectures, since they do not really
depend on GPIOLIB.

Add a new option GPIO_DEVRES (enabled by default) to control the build
of devres.c.  It also removes the empty version of devm_gpio_*
functions for !GENERIC_GPIO build from linux/gpio.h, and moves the
function declarations from asm-generic/gpio.h into linux/gpio.h.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-22 10:23:35 +01:00
Kees Cook
4c0ea23377 drivers/gpio: remove depends on CONFIG_EXPERIMENTAL
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

CC: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-21 14:52:42 -08:00
Gregory CLEMENT
bc1008cf7d gpio/mvebu-gpio: Make mvebu-gpio depend on OF_CONFIG
When building without device tree support (for the mv78x00 SoCs for
example), the build failed because of_irq_count is undeclared. However
mvebu-gpio is not designed to build without device tree support. So
make it depends on OF_CONFIG, remove the #ifdef OF_CONFIG line and the
platform_device_id.

Tested on RD-78x00-mASA, DB-78460-BP, DB-88F6710-BP-DDR3,
DB-MV784MP-GP, Mirabox and OpenBlocks AX3.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-12-19 22:15:14 +00:00
Linus Torvalds
2dfea3803d This is the MFD patch set for the 3.8 merge window.
We have several new drivers, most of the time coming with their sub devices
 drivers:
 
 - Austria Microsystem's AS3711
 - Nano River's viperboard
 - TI's TPS80031, AM335x TS/ADC,
 - Realtek's MMC/memstick card reader
 - Nokia's retu
 
 We also got some notable cleanups and improvements:
 
 - tps6586x got converted to IRQ domains.
 - tps65910 and tps65090 moved to the regmap IRQ API.
 - STMPE is now Device Tree aware.
 - A general twl6040 and twl-core cleanup, with moves to the regmap I/O and IRQ
   APIs and a conversion to the recently added PWM framework.
 - sta2x11 gained regmap support.
 
 Then the rest is mostly tiny cleanups and fixes, among which we have Mark's
 wm5xxx and wm8xxx patchset.
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Merge tag 'mfd-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFS update from Samuel Ortiz:
 "This is the MFD patch set for the 3.8 merge window.

  We have several new drivers, most of the time coming with their sub
  devices drivers:

   - Austria Microsystem's AS3711
   - Nano River's viperboard
   - TI's TPS80031, AM335x TS/ADC,
   - Realtek's MMC/memstick card reader
   - Nokia's retu

  We also got some notable cleanups and improvements:

   - tps6586x got converted to IRQ domains.
   - tps65910 and tps65090 moved to the regmap IRQ API.
   - STMPE is now Device Tree aware.
   - A general twl6040 and twl-core cleanup, with moves to the regmap
     I/O and IRQ APIs and a conversion to the recently added PWM
     framework.
   - sta2x11 gained regmap support.

  Then the rest is mostly tiny cleanups and fixes, among which we have
  Mark's wm5xxx and wm8xxx patchset."

Far amount of annoying but largely trivial conflicts.  Many due to
__devinit/exit removal, others due to one or two of the new drivers also
having come in through another tree.

* tag 'mfd-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (119 commits)
  mfd: tps6507x: Convert to devm_kzalloc
  mfd: stmpe: Update DT support for stmpe driver
  mfd: wm5102: Add readback of DSP status 3 register
  mfd: arizona: Log if we fail to create the primary IRQ domain
  mfd: tps80031: MFD_TPS80031 needs to select REGMAP_IRQ
  mfd: tps80031: Add terminating entry for tps80031_id_table
  mfd: sta2x11: Fix potential NULL pointer dereference in __sta2x11_mfd_mask()
  mfd: wm5102: Add tuning for revision B
  mfd: arizona: Defer patch initialistation until after first device boot
  mfd: tps65910: Fix wrong ack_base register
  mfd: tps65910: Remove unused data
  mfd: stmpe: Get rid of irq_invert_polarity
  mfd: ab8500-core: Fix invalid free of devm_ allocated data
  mfd: wm5102: Mark DSP memory regions as volatile
  mfd: wm5102: Correct default for LDO1_CONTROL_2
  mfd: arizona: Register haptics devices
  mfd: wm8994: Make current device behaviour the default
  mfd: tps65090: MFD_TPS65090 needs to select REGMAP_IRQ
  mfd: Fix stmpe.c build when OF is not enabled
  mfd: jz4740-adc: Use devm_kzalloc
  ...
2012-12-16 18:55:20 -08:00
Linus Torvalds
a2013a13e6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial branch from Jiri Kosina:
 "Usual stuff -- comment/printk typo fixes, documentation updates, dead
  code elimination."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
  HOWTO: fix double words typo
  x86 mtrr: fix comment typo in mtrr_bp_init
  propagate name change to comments in kernel source
  doc: Update the name of profiling based on sysfs
  treewide: Fix typos in various drivers
  treewide: Fix typos in various Kconfig
  wireless: mwifiex: Fix typo in wireless/mwifiex driver
  messages: i2o: Fix typo in messages/i2o
  scripts/kernel-doc: check that non-void fcts describe their return value
  Kernel-doc: Convention: Use a "Return" section to describe return values
  radeon: Fix typo and copy/paste error in comments
  doc: Remove unnecessary declarations from Documentation/accounting/getdelays.c
  various: Fix spelling of "asynchronous" in comments.
  Fix misspellings of "whether" in comments.
  eisa: Fix spelling of "asynchronous".
  various: Fix spelling of "registered" in comments.
  doc: fix quite a few typos within Documentation
  target: iscsi: fix comment typos in target/iscsi drivers
  treewide: fix typo of "suport" in various comments and Kconfig
  treewide: fix typo of "suppport" in various comments
  ...
2012-12-13 12:00:02 -08:00
Linus Torvalds
db5b0ae007 ARM: arm-soc: device tree conversions and enablement
Continued device tree conversion and enablement across a number of
 platforms; Kirkwood, tegra, i.MX, Exynos, zynq and a couple of other
 smaller series as well.
 
 ux500 has seen continued conversion for platforms. Several platforms have
 seen pinctrl-via-devicetree conversions for simpler multiplatform. Tegra
 is adding data for new devices/drivers, and Exynos has a bunch of new
 bindings and devices added as well.
 
 So, pretty much the same progression in the right direction as the last
 few releases.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC device tree conversions and enablement from Olof Johansson:
 "Continued device tree conversion and enablement across a number of
  platforms; Kirkwood, tegra, i.MX, Exynos, zynq and a couple of other
  smaller series as well.

  ux500 has seen continued conversion for platforms.  Several platforms
  have seen pinctrl-via-devicetree conversions for simpler
  multiplatform.  Tegra is adding data for new devices/drivers, and
  Exynos has a bunch of new bindings and devices added as well.

  So, pretty much the same progression in the right direction as the
  last few releases."

Fix up conflicts as per Olof.

* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (185 commits)
  ARM: ux500: Rename dbx500 cpufreq code to be more generic
  ARM: dts: add missing ux500 device trees
  ARM: ux500: Stop registering the PCM driver from platform code
  ARM: ux500: Move board specific GPIO info out to subordinate DTS files
  ARM: ux500: Disable the MMCI gpio-regulator by default
  ARM: Kirkwood: remove kirkwood_ehci_init() from new boards
  ARM: Kirkwood: Add support LED of OpenBlocks A6
  ARM: Kirkwood: Convert to EHCI via DT for OpenBlocks A6
  ARM: kirkwood: Add NAND partiton map for OpenBlocks A6
  ARM: kirkwood: Add support second I2C bus and RTC on OpenBlocks A6
  ARM: kirkwood: Add support DT of second I2C bus
  ARM: kirkwood: Convert mplcec4 board to pinctrl
  ARM: Kirkwood: Convert km_kirkwood to pinctrl
  ARM: Kirkwood: support 98DX412x kirkwoods with pinctrl
  ARM: Kirkwood: Convert IX2-200 to pinctrl.
  ARM: Kirkwood: Convert lsxl boards to pinctrl.
  ARM: Kirkwood: Convert ib62x0 to pinctrl.
  ARM: Kirkwood: Convert GoFlex Net to pinctrl.
  ARM: Kirkwood: Convert dreamplug to pinctrl.
  ARM: Kirkwood: Convert dockstar to pinctrl.
  ...
2012-12-13 10:39:26 -08:00
Linus Torvalds
b0885d01f9 GPIO follow up patch and type change for v3.5 merge window
Primarily device driver additions, features and bug fixes. Not much
 touching gpio common subsystem support. Should not be scary.
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull GPIO updates from Grant Likely:
 "GPIO follow up patch and type change for v3.5 merge window

  Primarily device driver additions, features and bug fixes.  Not much
  touching gpio common subsystem support.  Should not be scary."

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (34 commits)
  gpio: Provide the STMPE GPIO driver with its own IRQ Domain
  gpio: add TS-5500 DIO blocks support
  gpio: pcf857x: use client->irq for gpio_to_irq()
  gpio: stmpe: Add DT support for stmpe gpio
  gpio: pl061 depends on ARM
  gpio/pl061: remove old comment
  gpio: SPEAr: add spi chipselect control driver
  gpio: gpio-max710x: Support device tree probing
  gpio: twl4030: Use only TWL4030_MODULE_LED for LED configuration
  gpio: tegra: read output value when gpio is set in direction_out
  gpio: pca953x: Add compatible strings to gpio-pca953x driver
  gpio: pca953x: Register an IRQ domain
  gpio: mvebu: Set free callback for gpio_chip
  gpio: tegra: Drop exporting static functions
  gpio: tegra: Staticize non-exported symbols
  gpio: tegra: fix suspend/resume apis
  gpio-pch: Set parent dev for gpio chip
  gpio: em: Fix build errors
  GPIO: clps711x: use platform_device_unregister in gpio_clps711x_init()
  gpio/tc3589x: convert to use the simple irqdomain
  ...
2012-12-11 13:00:56 -08:00
Vivien Didelot
759f5f3752 gpio: add TS-5500 DIO blocks support
Technologic Systems TS-5500 provides digital I/O lines exposed through
pin blocks. On this platform, there are three of them, named DIO1, DIO2
and LCD port, that may be used as a DIO block.

The TS-5500 pin blocks are described in the product's wiki:
http://wiki.embeddedarm.com/wiki/TS-5500#Digital_I.2FO

This driver is not limited to the TS-5500 blocks. It can be extended to
support similar boards pin blocks, such as on the TS-5600.

This patch is the V2 of the previous https://lkml.org/lkml/2012/9/25/671
with corrections suggested by Linus Walleij.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Jerome Oufella <jerome.oufella@savoirfairelinux.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-12-10 11:23:25 +01:00
Masanari Iida
e41e85cc17 treewide: Fix typos in various Kconfig
Correct spelling typo within various Kconfig.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-12-03 11:03:56 +01:00
Alessandro Rubini
8618b3b47c gpio: pl061 depends on ARM
Commit dece904d (gpio: pl061: use chained_irq_* functions in irq
handler) introduced chained_irq_enter/exit, which is only
available for arch/arm and the driver won't compile elsewhere.

The dependency is thus made explicit, because AMBA is used in the x86
world by a PCI-to-AMBA bridge, to be submitted.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-12-01 16:10:28 +01:00
Rafael J. Wysocki
d9ba1025a4 Merge branch 'acpi-enumeration'
* acpi-enumeration:
  spi / ACPI: add ACPI enumeration support
  gpio / ACPI: add ACPI support
2012-11-30 12:38:51 +01:00
Mathias Nyman
e29482e848 gpio / ACPI: add ACPI support
Add support for translating ACPI GPIO pin numbers to Linux GPIO API pins.
Needs a gpio controller driver with the acpi handler hook set.

Drivers can use acpi_get_gpio() to translate ACPI5 GpioIO and GpioInt
resources to Linux GPIO's.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2012-11-30 12:37:36 +01:00
Andrew Lunn
49e928d6cf GPIO: mvebu: Allow all plat-orion platforms.
Kirkwood & Dove can also use this driver, so expand the scope to
include all platform orion devices.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-24 02:57:31 +00:00
Lars Poeschel
9d5b72de0d gpio: Add viperboard gpio driver
This adds the mfd cell to use the gpio a and gpio b part
of the Nano River Technologies viperboard.

Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-20 12:21:12 +01:00
Shiraz Hashim
b53bc2819a gpio: SPEAr: add spi chipselect control driver
SPEAr platform provides a provision to control chipselects of ARM PL022
Prime Cell spi controller through its system registers, which otherwise
remains under PL022 control which some protocols do not want.

This commit intends to provide the spi chipselect control in software over
gpiolib interface. spi chip drivers can use the exported gpiolib interface to
define their chipselect through DT or platform data.

Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Reviewed-by: Vipin Kumar <vipin.kumar@st.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-18 00:01:27 +01:00
Thierry Reding
cb144fe8e0 gpio: adnp: Depend on OF_GPIO instead of OF
The driver accesses the of_node field of struct gpio_chip, which is only
available if OF_GPIO is selected. This solves a build issue on SPARC
which conflicts with OF_GPIO and therefore does not provide this field.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-17 22:22:23 +01:00
David S. Miller
afe760e43d sparc: Allow OF_GPIO on sparc.
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-06 15:56:32 -08:00
Alexander Shiyan
a3b8d4a513 GPIO: Add support for GPIO on CLPS711X-target platform
The CLPS711X CPUs provide some GPIOs for use in the system. This
driver provides support for these via gpiolib. Due to platform
limitations, driver does not support interrupts, only inputs and
outputs.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 21:25:00 +02:00
Ashish Jangam
04ed427971 DA9055 GPIO driver
This is the GPIO patch for the DA9055 PMIC. This patch has got
dependency on the DA9055 MFD core.

This patch is functionally tested on SMDK6410 board.

Signed-off-by: David Dajun Chen <dchen@diasemi.com>
Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 20:50:14 +02:00
Linus Torvalds
5e090ed7af ARM: soc: late platform updates
This branch contains updates to OMAP and Marvell platforms (kirkwood,
 dove, mvebu) that came in after we had done the big multiplatform merges,
 so they were kept separate from the rest, and not separated into the
 traditional topics of cleanup/driver/platform features.
 
 For OMAP, the updates are:
 - Runtime PM conversions for the GPMC and RNG IP blocks
 - Preparation patches for the OMAP common clock framework conversion
 - clkdev alias additions required by other drivers
 - Performance Monitoring Unit (PMU) support for OMAP2, 3, and non-4430 OMAP4
 - OMAP hwmod code and data improvements
 - Preparation patches for the IOMMU runtime PM conversion
 - Preparation patches for OMAP4 full-chip retention support
 
 For Kirkwood/Dove/mvebu:
 
 - New driver for "address decoder controller" for mvebu, which
   is a piece of hardware that configures addressable devices and
   peripherals. First user is the boot rom aperture on armada XP since
   it is needed for SMP support.
 - New device tree bindings for peripherals such as gpio-fan, iconnect
   nand, mv_cesa and the above address decoder controller.
 - Some defconfig updates, mostly to enable new DT boards and a few drivers.
 - New drivers using the pincontrol subsystem for dove, kirkwood and mvebu
 - New clean gpio driver for mvebu
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Merge tag 'soc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull late ARM soc platform updates from Olof Johansson:
 "This branch contains updates to OMAP and Marvell platforms (kirkwood,
  dove, mvebu) that came in after we had done the big multiplatform
  merges, so they were kept separate from the rest, and not separated
  into the traditional topics of cleanup/driver/platform features.

  For OMAP, the updates are:
   - Runtime PM conversions for the GPMC and RNG IP blocks
   - Preparation patches for the OMAP common clock framework conversion
   - clkdev alias additions required by other drivers
   - Performance Monitoring Unit (PMU) support for OMAP2, 3, and
     non-4430 OMAP4
   - OMAP hwmod code and data improvements
   - Preparation patches for the IOMMU runtime PM conversion
   - Preparation patches for OMAP4 full-chip retention support

  For Kirkwood/Dove/mvebu:
   - New driver for "address decoder controller" for mvebu, which is a
     piece of hardware that configures addressable devices and
     peripherals.  First user is the boot rom aperture on armada XP
     since it is needed for SMP support.
   - New device tree bindings for peripherals such as gpio-fan, iconnect
     nand, mv_cesa and the above address decoder controller.
   - Some defconfig updates, mostly to enable new DT boards and a few
     drivers.
   - New drivers using the pincontrol subsystem for dove, kirkwood and
     mvebu
   - New clean gpio driver for mvebu"

* tag 'soc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (98 commits)
  ARM: mvebu: fix build breaks from multi-platform conversion
  ARM: OMAP4460/4470: PMU: Enable PMU for OMAP4460/70
  ARM: OMAP2+: PMU: Add runtime PM support
  ARM: OMAP4430: PMU: prepare to create PMU device via HWMOD
  ARM: OMAP2+: PMU: Convert OMAP2/3 devices to use HWMOD
  ARM: OMAP3: hwmod data: Add debugss HWMOD data
  ARM: OMAP2+: clockdomain/hwmod: add workaround for EMU clockdomain idle problems
  ARM: OMAP: Add a timer attribute for timers that can interrupt the DSP
  hwrng: OMAP: remove SoC restrictions from driver registration
  ARM: OMAP: split OMAP1, OMAP2+ RNG device registration
  hwrng: OMAP: convert to use runtime PM
  hwrng: OMAP: store per-device data in per-device variables, not file statics
  ARM: OMAP2xxx: hwmod/CM: add RNG integration data
  ARM: OMAP2+: gpmc: minimal driver support
  ARM: OMAP2+: gpmc: Adapt to HWMOD
  ARM: OMAP2/3: hwmod data: add gpmc
  ARM: OMAP4: hwmod data: add mmu hwmod for ipu and dsp
  ARM: OMAP3: hwmod data: add mmu data for iva and isp
  ARM: OMAP: iommu: fix including iommu.h without IOMMU_API selected
  ARM: OMAP4: hwmod data: add missing HWMOD_NO_IDLEST flags to some PRCM IP blocks
  ...
2012-10-07 20:55:16 +09:00
Linus Torvalds
578f1ef91a MFD bits for the 3.7 merge window.
As usual we have a few new drivers:
 
 - TI LP8788
 - TI OMAP USB TLL
 - Maxim MAX8907
 - SMSC ECE1099
 - Dialog Semiconductor DA9055
 - A simpler syscon driver that allow us to get rid of the anatop one.
 
 Drivers are also gradually getting Device Tree and IRQ domain support.
 
 The following drivers got DT support:
 - palmas, 88pm860x, tc3589x and twl4030-audio
 
 And those ones now use the IRQ domain APIs:
 - 88pm860x, tc3589x, db8500_prcmu
 
 Also some other interesting changes:
 - Intel's ICH LPC now supports Lynx Point
 - TI's twl4030-audio added a GPO child
 - tps6527 enabled its backlight subdevice
 - The twl6030 pwm driver moved to the new PWM subsystem
 
 And finally a bunch of cleanup and casual fixes for mc13xxx, 88pm860x, palmas,
 ab8500, wm8994, wm5110, max8907 and the tps65xxx family.
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Merge tag 'mfd-3.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFD changes from Samuel Ortiz:
 "MFD bits for the 3.7 merge window.

  As usual we have a few new drivers:

   - TI LP8788
   - TI OMAP USB TLL
   - Maxim MAX8907
   - SMSC ECE1099
   - Dialog Semiconductor DA9055
   - A simpler syscon driver that allow us to get rid of the anatop one.

  Drivers are also gradually getting Device Tree and IRQ domain support.

  The following drivers got DT support:
   - palmas, 88pm860x, tc3589x and twl4030-audio

  And those ones now use the IRQ domain APIs:
   - 88pm860x, tc3589x, db8500_prcmu

  Also some other interesting changes:
   - Intel's ICH LPC now supports Lynx Point
   - TI's twl4030-audio added a GPO child
   - tps6527 enabled its backlight subdevice
   - The twl6030 pwm driver moved to the new PWM subsystem

  And finally a bunch of cleanup and casual fixes for mc13xxx, 88pm860x,
  palmas, ab8500, wm8994, wm5110, max8907 and the tps65xxx family."

Fix up various annoying conflicts: the DT and IRQ domain support came in
twice and was already in 3.6. And then it was apparently rebased.

Guys, DON'T REBASE!

* tag 'mfd-3.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (89 commits)
  ARM: dts: Enable 88pm860x pmic
  mfd: 88pm860x: Move gpadc init into touch
  mfd: 88pm860x: Device tree support
  mfd: 88pm860x: Use irqdomain
  mfd: smsc: Add support for smsc gpio io/keypad driver
  backlight: tps65217_bl: Add missing platform_set_drvdata in tps65217_bl_probe
  mfd: DA9055 core driver
  mfd: tps65910: Add alarm interrupt of TPS65910 RTC to mfd device list
  mfd: wm5110: Add register patches for revision B
  mfd: wm5110: Disable control interface error report for WM5110 rev B
  mfd: max8907: Remove regulator-compatible from DT docs
  backlight: Add TPS65217 WLED driver
  mfd: Add backlight as subdevice to the tps65217
  mfd: Provide the PRCMU with its own IRQ domain
  mfd: Fix max8907 sparse warning
  mfd: Add lp8788 mfd driver
  mfd: dbx500: Provide a more accurate smp_twd clock
  mfd: rc5t583: Fix warning messages
  regulator: palmas: Add DT support
  mfd: palmas: Change regulator defns to better suite DT
  ...
2012-10-05 12:01:30 +09:00
Linus Torvalds
dff8360a4a So this is the LW GPIO patch stack for v3.7:
- refactoring from Thierry Redding at Arnd Bergmann's request to use
   the seq_file iterator interface in gpiolib.
 - A new driver for Avionic Design's N-bit GPIO expander.
 - Two instances of mutexes replaced by spinlocks from Axel Lin to
   code that is supposed to be fastpath compliant.
 - IRQ demuxer and gpio_to_irq() support for pcf857x by Kuninori
   Morimoto.
 - Dynamic GPIO numbers, device tree support, daisy chaining and some
   other fixes for the 74x164 driver by Maxime Ripard.
 - IRQ domain and device tree support for the tc3589x driver by
   Lee Jones.
 - Some conversion to use managed resources devm_* code.
 - Some instances of clk_prepare() or clk_prepare_enable() added to
   support the new, stricter common clock framework.
 - Some for_each_set_bit() simplifications.
 - Then a lot of fixes as we fixed up all of the above tripping over
   our own shoelaces and that kind of thing.
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Merge tag 'gpio-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO changes from Linus Walleij:
 "So this is the LW GPIO patch stack for v3.7:
   - refactoring from Thierry Redding at Arnd Bergmann's request to use
     the seq_file iterator interface in gpiolib.
   - A new driver for Avionic Design's N-bit GPIO expander.
   - Two instances of mutexes replaced by spinlocks from Axel Lin to
     code that is supposed to be fastpath compliant.
   - IRQ demuxer and gpio_to_irq() support for pcf857x by Kuninori
     Morimoto.
   - Dynamic GPIO numbers, device tree support, daisy chaining and some
     other fixes for the 74x164 driver by Maxime Ripard.
   - IRQ domain and device tree support for the tc3589x driver by Lee
     Jones.
   - Some conversion to use managed resources devm_* code.
   - Some instances of clk_prepare() or clk_prepare_enable() added to
     support the new, stricter common clock framework.
   - Some for_each_set_bit() simplifications.
   - Then a lot of fixes as we fixed up all of the above tripping over
     our own shoelaces and that kind of thing."

* tag 'gpio-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (34 commits)
  gpio: pcf857x: select IRQ_DOMAIN
  gpio: Document device_node's det_debounce
  gpio-lpc32xx: Add GPI_28
  gpio: adnp: dt: Reference generic interrupt binding
  gpio: Add Avionic Design N-bit GPIO expander support
  gpio: pxa: using for_each_set_bit to simplify the code
  gpio_msm: using for_each_set_bit to simplify the code
  gpio: Enable the tc3298x GPIO expander driver for Device Tree
  gpio: Provide the tc3589x GPIO expander driver with an IRQ domain
  ARM: shmobile: kzm9g: use gpio-keys instead of gpio-keys-polled
  gpio: pcf857x: fixup smatch WARNING
  gpio: 74x164: Add support for the daisy-chaining
  gpio: 74x164: dts: Add documentation for the dt binding
  dt: Fix incorrect reference in gpio-led documentation
  gpio: 74x164: Add device tree support
  gpio: 74x164: Use dynamic gpio number assignment if no pdata is present
  gpio: 74x164: Use devm_kzalloc
  gpio: 74x164: Use module_spi_driver boiler plate function
  gpio: sx150x: Use irq_data_get_irq_chip_data() at appropriate places
  gpio: em: Use irq_data_get_irq_chip_data() at appropriate places
  ...
2012-10-02 16:05:10 -07:00
Arnd Bergmann
901acf5b29 gpio: pcf857x: select IRQ_DOMAIN
Patch 6e20a0a4 "gpio: pcf857x: enable gpio_to_irq() support"
added IRQ domain support to the pcf857x driver, but some configurations
(e.g. davinci_all_defconfig) don't already enable CONFIG_IRQ_DOMAIN.

Always selecting it from the Kconfig in this case is what other
such drivers do as well, and avoids these build errors:

Without this patch, building davinci_all_defconfig results in:

drivers/gpio/gpio-pcf857x.c: In function 'pcf857x_to_irq':
drivers/gpio/gpio-pcf857x.c:167:2: error: implicit declaration of function 'irq_create_mapping'
drivers/gpio/gpio-pcf857x.c: In function 'pcf857x_irq_demux_work':
drivers/gpio/gpio-pcf857x.c:183:3: error: implicit declaration of function 'irq_find_mapping'
drivers/gpio/gpio-pcf857x.c: In function 'pcf857x_irq_domain_cleanup':
drivers/gpio/gpio-pcf857x.c:218:3: error: implicit declaration of function 'irq_domain_remove'
drivers/gpio/gpio-pcf857x.c: In function 'pcf857x_irq_domain_init':
drivers/gpio/gpio-pcf857x.c:230:2: error: implicit declaration of function 'irq_domain_add_linear'

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-30 23:38:53 +02:00
Thomas Petazzoni
fefe7b0923 gpio: introduce gpio-mvebu driver for Marvell SoCs
This driver aims at replacing the arch/arm/plat-orion/gpio.c driver,
and is designed to be compatible with all Marvell EBU SoCs: Orion,
Kirkwood, Dove, Armada 370/XP and Discovery.

It has been successfully tested on Dove and Armada XP at the moment.

Compared to the plat-orion driver, this new driver has the following
added benefits:

 *) Support for Armada 370 and Armada XP
 *) It is integrated with the mvebu pinctrl driver so that GPIO pins
    are properly muxed, and the GPIO driver knows which GPIO pins are
    output-only or input-only.
 *) Properly placed in drivers/gpio
 *) More extensible mechanism to support platform differences. The
    plat-orion driver uses a simple mask-offset DT property, which
    works fine for Discovery MV78200 but not for Armada XP. The new
    driver uses different compatible strings to identify the different
    variants of the GPIO controllers.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-09-22 14:51:36 +00:00
Tony Prisk
4e48b1c560 arm: vt8500: gpio: Devicetree support for arch-vt8500
Converted the existing arch-vt8500 gpio to a platform_device.
Added support for WM8505 and WM8650 GPIO controllers.
Replaced existing readl/writel calls with _relaxed variants.
Replaced existing unsigned variables with u32 to match register size.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-21 19:23:59 +12:00
Peter Ujfalusi
70ffd691ff gpio: Add basic support for TWL6040 GPOs
TWL6040 provides GPO lines to be used for controlling external devices.The number
of lines different between versions: twl6040 have 3 GPO while TWL6041 have 1.

Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-19 12:21:20 +02:00
Thierry Reding
5e969a401a gpio: Add Avionic Design N-bit GPIO expander support
This commit adds a driver for the Avionic Design N-bit GPIO expander.
The expander provides a variable number of GPIO pins with interrupt
support.

Changes in v2:
- allow building the driver as a module
- assign of_node unconditionally
- use linear mapping IRQ domain
- properly cleanup IRQ domain
- add OF device table and annotate device tables
- emulate rising and falling edge triggers
- increase #gpio-cells to 2
- drop support for !OF
- use IS_ENABLED to conditionalize DEBUG_FS code

Changes in v3:
- make IRQ support runtime configurable (interrupt-controller property)
- drop interrupt-controller and #interrupt-cells from DT binding
- add inline to_adnp() function to wrap container_of() macro
- consistently use adnp as name for struct adnp variables
- remove irq_mask_cur and rename irq_mask to irq_enable
- fix a subtle deadlock in adnp_gpio_direction_output()
- remove dynamic allocations from debugfs code
- rename regs to num_regs to avoid confusion
- annotate non-trivial code with comments
- don't acquire mutex in adnp_gpio_get()
- assume NO_IRQ == 0

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: linux-kernel@vger.kernel.org
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-18 23:27:25 +02:00
Axel Lin
1c4fe3aa98 gpio: Remove broken mark for da9052 gpio driver
The fix for MFD part is merged so remove the broken mark for da9052 gpio driver.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-01 01:05:57 +02:00
Axel Lin
4c30aa33d4 gpio: mc9s08dz60: Fix build error if I2C=m
Make GPIO_MC9S08DZ60 depend on I2C=y, this fixes below build error:

  LD      init/built-in.o
drivers/built-in.o: In function `mc9s08dz60_get_value':
clk-fixed-factor.c:(.text+0x7214): undefined reference to `i2c_smbus_read_byte_data'
drivers/built-in.o: In function `mc9s08dz60_set':
clk-fixed-factor.c:(.text+0x727c): undefined reference to `i2c_smbus_read_byte_data'
clk-fixed-factor.c:(.text+0x72bc): undefined reference to `i2c_smbus_write_byte_data'
drivers/built-in.o: In function `mc9s08dz60_i2c_driver_init':
clk-fixed-factor.c:(.init.text+0x290): undefined reference to `i2c_register_driver'
drivers/built-in.o: In function `mc9s08dz60_i2c_driver_exit':
clk-fixed-factor.c:(.exit.text+0x2c): undefined reference to `i2c_del_driver'
make: *** [vmlinux] Error 1

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-01 01:00:39 +02:00
Linus Torvalds
3e701cdfe6 MFD bits for the 3.6 merge window.
We have support for a few new drivers:
 - Samsung s2mps11
 - Wolfson Microelectronics wm5102 and wm5110
 - Marvell 88PM800 and 88PM805
 - TI twl6041
 
 We also have our regular driver improvements:
 - Device tree and IRQ domain support for STE AB8500
 - Regmap and devm_* API conversion for TI tps6586x
 - Device tree support for Samsung max77686
 - devm_* API conversion for STE AB3100
 
 Besides that, quite a lot of fixing and cleanup for mc13xxx, tps65910,
 tps65090, da9052 and twl-core.
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Merge tag 'mfd-3.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFD bits from Samuel Ortiz:
 "We have support for a few new drivers:
   - Samsung s2mps11
   - Wolfson Microelectronics wm5102 and wm5110
   - Marvell 88PM800 and 88PM805
   - TI twl6041

  We also have our regular driver improvements:
   - Device tree and IRQ domain support for STE AB8500
   - Regmap and devm_* API conversion for TI tps6586x
   - Device tree support for Samsung max77686
   - devm_* API conversion for STE AB3100

  Besides that, quite a lot of fixing and cleanup for mc13xxx, tps65910,
  tps65090, da9052 and twl-core."

Fix up mostly trivial conflicts, with the exception of
drivers/usb/host/ehci-omap.c in particular, which had some
re-organization of the reset sequence (commit 1a49e2ac96: "EHCI:
centralize controller initialization") that clashed with commit
2761a63945 ("mfd: USB: Fix the omap-usb EHCI ULPI PHY reset fix
issues").

In particular, commit 2761a63945 moved the usb_add_hcd() to the
*middle* of the reset sequence, which clashes fairly badly with the
reset sequence re-organization (although it could have been done inside
the new omap_ehci_init() function).

I left that part of commit 2761a63945 just undone.

* tag 'mfd-3.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (110 commits)
  mfd: Ensure AB8500 platform data is passed through db8500-prcmu to MFD Core
  mfd: Arizone core should select MFD_CORE
  mfd: Fix arizona-irq.c build by selecting REGMAP_IRQ
  mfd: Add debug trace on entering and leaving arizone runtime suspend
  mfd: Correct tps65090 cell names
  mfd: Remove gpio support from tps6586x core driver
  ARM: tegra: defconfig: Enable tps6586x gpio
  gpio: tps6586x: Add gpio support through platform driver
  mfd: Cache tps6586x register through regmap
  mfd: Use regmap for tps6586x register access.
  mfd: Use devm managed resources for tps6586x
  input: Add onkey support for 88PM80X PMIC
  mfd: Add support for twl6041
  mfd: Fix twl6040 revision information
  mfd: Matches should be NULL when populate anatop child devices
  input: ab8500-ponkey: Create AB8500 domain IRQ mapping
  mfd: Add missing out of memory check for pcf50633
  Documentation: Describe the AB8500 Device Tree bindings
  mfd: Add tps65910 32-kHz-crystal-input init
  mfd: Drop modifying mc13xxx driver's id_table in probe
  ...
2012-07-30 12:41:17 -07:00
Linus Torvalds
f948ad0787 GPIO changes for v3.6:
- New driver for AMD-8111 southbridge GPIOs
 - New driver for Wolfson Micro Arizona devices
 - Propagate device tree parse errors
 - Probe deferral finalizations - all expected calls to
   GPIO will now hopefully request deferral where apropriate
 - Misc updates to TCA6424, WM8994, LPC32xx, PCF857x, Samsung
   MXC, OMAP and PCA953X drivers.
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Merge tag 'gpio-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO changes from Linus Walleij:
 - New driver for AMD-8111 southbridge GPIOs
 - New driver for Wolfson Micro Arizona devices
 - Propagate device tree parse errors
 - Probe deferral finalizations - all expected calls to GPIO will now
   hopefully request deferral where apropriate
 - Misc updates to TCA6424, WM8994, LPC32xx, PCF857x, Samsung MXC, OMAP
   and PCA953X drivers.

Fix up gpio_idx conflicts in drivers/gpio/gpio-mxc.c

* tag 'gpio-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: of_get_named_gpio_flags() return -EPROBE_DEFER if GPIO not yet available
  gpiolib: Defer failed gpio requests by default
  MAINTAINERS: add entry OMAP GPIO driver
  gpio/pca953x: increase variables size to support 24 bit of data
  GPIO: PCA953X: Increase size of invert variable to support 24 bit
  gpio/omap: move bank->dbck initialization to omap_gpio_mod_init()
  gpio/mxc: use the edge_sel feature if available
  gpio: propagate of_parse_phandle_with_args errors
  gpio: samsung: add flags specifier to device-tree binding
  gpiolib: Add support for Wolfson Microelectronics Arizona class devices
  gpio: gpio-lpc32xx: Add gpio_to_irq mapping
  gpio: pcf857x: share 8/16 bit access functions
  gpio: LPC32xx: Driver cleanup
  MAINTAINERS: Add Wolfson gpiolib drivers to the Wolfson entry
  gpiolib: wm8994: Convert to devm_kzalloc()
  gpiolib: wm8994: Use irq_domain mappings for gpios
  gpio: add a driver for GPIO pins found on AMD-8111 south bridge chips
  gpio/tca6424: merge I2C transactions, remove cast
  gpio/of: fix a typo of comment message
2012-07-26 13:56:38 -07:00
Laxman Dewangan
72bd986030 gpio: tps6586x: Add gpio support through platform driver
Converting the gpio driver of tps6586x to a platform
driver in place of registering the gpio through core
driver.
The motivation of the change is:
- This is inline with the mfd drivers implementation.
- This will move the related gpio support to gpio driver
  folder where all gpio related drivers are available.
  This will be easy the maintenance and enhancement is
  anything done for gpio.
- The gpio functionality can be selected through config
  variable.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:36:54 +02:00
Mark Brown
31ba56f274 gpiolib: Add support for Wolfson Microelectronics Arizona class devices
The Arizona class devices provide some GPIOs for use in the system. This
driver provides support for these via gpiolib. Currently interrupts are
not supported, normally the GPIOs are outputs only.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
[Fold in WM5110 support patch]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-07-17 20:59:53 +02:00
Dmitry Eremin-Solenikov
f942a7de04 gpio: add a driver for GPIO pins found on AMD-8111 south bridge chips
Add a driver to use GPIO pins available on several AMD south bridges
(currently only AMD 8111 is supported).

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-07-12 13:40:13 +02:00
Christian Dietrich
afcc0f8c17 gpio/msm_v1: CONFIG_GPIO_MSM_V1 is only available on three SoCs
The feature GPIO_MSM_V1 is only available on three SoCs. On all other MSM SoCs
the INT_GPIO_GROUP{1,2} is undeclared, but Kconfig does allow such
configurations. Therefore the produced configuration is valid, but does not
compile. The problem is fixed by adding the missing Kconfig constraints.

drivers/gpio/gpio-msm-v1.c: In function ‘msm_init_gpio’:
drivers/gpio/gpio-msm-v1.c:629:26: error: 'INT_GPIO_GROUP1' undeclared
drivers/gpio/gpio-msm-v1.c:630:26: error: 'INT_GPIO_GROUP2' undeclared

Signed-off-by: Christian Dietrich <christian.dietrich@informatik.uni-erlangen.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-07-05 14:48:59 +02:00
Linus Torvalds
7e5b2db77b Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "The whole series has been sitting in -next for quite a while with no
  complaints.  The last change to the series was before the weekend the
  removal of an SPI patch which Grant - even though previously acked by
  himself - appeared to raise objections.  So I removed it until the
  situation is clarified.  Other than that all the patches have the acks
  from their respective maintainers, all MIPS and x86 defconfigs are
  building fine and I'm not aware of any problems introduced by this
  series.

  Among the key features for this patch series is a sizable patchset for
  Lantiq which among other things introduces support for Lantiq's
  flagship product, the FALCON SOC.  It also means that the opensource
  developers behind this patchset have overtaken Lantiq's competing
  inhouse development team that was working behind closed doors.

  Less noteworthy the ath79 patchset which adds support for a few more
  chip variants, cleanups and fixes.  Finally the usual dose of tweaking
  of generic code."

Fix up trivial conflicts in arch/mips/lantiq/xway/gpio_{ebu,stp}.c where
printk spelling fixes clashed with file move and eventual removal of the
printk.

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (81 commits)
  MIPS: lantiq: remove orphaned code
  MIPS: Remove all -Wall and almost all -Werror usage from arch/mips.
  MIPS: lantiq: implement support for FALCON soc
  MTD: MIPS: lantiq: verify that the NOR interface is available on falcon soc
  MTD: MIPS: lantiq: implement OF support
  watchdog: MIPS: lantiq: implement OF support and minor fixes
  SERIAL: MIPS: lantiq: implement OF support
  GPIO: MIPS: lantiq: convert gpio-stp-xway to OF
  GPIO: MIPS: lantiq: convert gpio-mm-lantiq to OF and of_mm_gpio
  GPIO: MIPS: lantiq: move gpio-stp and gpio-ebu to the subsystem folder
  MIPS: pci: convert lantiq driver to OF
  MIPS: lantiq: convert dma to platform driver
  MIPS: lantiq: implement support for clkdev api
  MIPS: lantiq: drop ltq_gpio_request() and gpio_to_irq()
  OF: MIPS: lantiq: implement irq_domain support
  OF: MIPS: lantiq: implement OF support
  MIPS: lantiq: drop mips_machine support
  OF: PCI: const usage needed by MIPS
  MIPS: Cavium: Remove smp_reserve_lock.
  MIPS: Move cache setup to setup_arch().
  ...
2012-05-29 18:27:19 -07:00
Linus Torvalds
4b78147468 MFD changes for 3.5
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Merge tag 'mfd-3.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFD changes from Samuel Ortiz:
 "Besides the usual cleanups, this one brings:

   * Support for 5 new chipsets: Intel's ICH LPC and SCH Centerton,
     ST-E's STAX211, Samsung's MAX77693 and TI's LM3533.

   * Device tree support for the twl6040, tps65910, da9502 and ab8500
     drivers.

   * Fairly big tps56910, ab8500 and db8500 updates.

   * i2c support for mc13xxx.

   * Our regular update for the wm8xxx driver from Mark."

Fix up various conflicts with other trees, largely due to ab5500 removal
etc.

* tag 'mfd-3.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (106 commits)
  mfd: Fix build break of max77693 by adding REGMAP_I2C option
  mfd: Fix twl6040 build failure
  mfd: Fix max77693 build failure
  mfd: ab8500-core should depend on MFD_DB8500_PRCMU
  gpio: tps65910: dt: process gpio specific device node info
  mfd: Remove the parsing of dt info for tps65910 gpio
  mfd: Save device node parsed platform data for tps65910 sub devices
  mfd: Add r_select to lm3533 platform data
  gpio: Add Intel Centerton support to gpio-sch
  mfd: Emulate active low IRQs as well as active high IRQs for wm831x
  mfd: Mark two lm3533 zone registers as volatile
  mfd: Fix return type of lm533 attribute is_visible
  mfd: Enable Device Tree support in the ab8500-pwm driver
  mfd: Enable Device Tree support in the ab8500-sysctrl driver
  mfd: Add support for Device Tree to twl6040
  mfd: Register the twl6040 child for the ASoC codec unconditionally
  mfd: Allocate twl6040 IRQ numbers dynamically
  mfd: twl6040 code cleanup in interrupt initialization part
  mfd: Enable ab8500-gpadc driver for Device Tree
  mfd: Prevent unassigned pointer from being used in ab8500-gpadc driver
  ...
2012-05-29 11:53:11 -07:00
Linus Torvalds
b1bf7d4d1b GPIO driver changes for v3.5 merge window
Lots of gpio changes, both to core code and drivers.  Changes do touch
 architecture code to remove the need for separate arm/gpio.h includes
 in most architectures.  Some new drivers are added, and a number of
 gpio drivers are converted to use irq_domains for gpio inputs used as
 interrupts.  Device tree support has been amended to allow multiple
 gpio_chips to use the same device tree node.  Remaining changes are
 primarily bug fixes.
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull GPIO driver changes from Grant Likely:
 "Lots of gpio changes, both to core code and drivers.

  Changes do touch architecture code to remove the need for separate
  arm/gpio.h includes in most architectures.

  Some new drivers are added, and a number of gpio drivers are converted
  to use irq_domains for gpio inputs used as interrupts.  Device tree
  support has been amended to allow multiple gpio_chips to use the same
  device tree node.

  Remaining changes are primarily bug fixes."

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (33 commits)
  gpio/generic: initialize basic_mmio_gpio shadow variables properly
  gpiolib: Remove 'const' from data argument of gpiochip_find()
  gpio/rc5t583: add gpio driver for RICOH PMIC RC5T583
  gpiolib: quiet gpiochip_add boot message noise
  gpio: mpc8xxx: Prevent NULL pointer deref in demux handler
  gpio/lpc32xx: Add device tree support
  gpio: Adjust of_xlate API to support multiple GPIO chips
  gpiolib: Implement devm_gpio_request_one()
  gpio-mcp23s08: dbg_show: fix pullup configuration display
  Add support for TCA6424A
  gpio/omap: (re)fix wakeups on level-triggered GPIOs
  gpio/omap: fix broken context restore for non-OFF mode transitions
  gpio/omap: fix missing check in *_runtime_suspend()
  gpio/omap: remove cpu_is_omapxxxx() checks from *_runtime_resume()
  gpio/omap: remove suspend/resume callbacks
  gpio/omap: remove retrigger variable in gpio_irq_handler
  gpio/omap: remove saved_wakeup field from struct gpio_bank
  gpio/omap: remove suspend_wakeup field from struct gpio_bank
  gpio/omap: remove saved_fallingdetect, saved_risingdetect
  gpio/omap: remove virtual_irq_start variable
  ...

Conflicts:
	drivers/gpio/gpio-samsung.c
2012-05-24 14:01:46 -07:00
Seth Heasley
77820ffae6 gpio: Add Intel Centerton support to gpio-sch
This patch adds the Intel Centerton processor device ID for GPIO.
The device ID is defined in include/linux/pci_ids.h

Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-05-22 23:39:14 +02:00
John Crispin
5238f7bc35 GPIO: MIPS: lantiq: move gpio-stp and gpio-ebu to the subsystem folder
Move the 2 drivers from arch/mips/lantiq/xway/ to the subsystem and make them
buildable.

The following 2 patches will convert the drivers to OF.

Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Patchwork: https://patchwork.linux-mips.org/patch/3838/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-05-21 14:31:52 +01:00
Laxman Dewangan
e9fe32bcad gpio/rc5t583: add gpio driver for RICOH PMIC RC5T583
The PMIC device RC5T583 from RICOH supports 8 gpios.
Adding gpio driver for this device to access the pins
control through gpio library.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
[grant.likely: slight cosmetic changes]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-05-18 22:59:28 -06:00
Magnus Damm
a07e103ef0 gpio: Emma Mobile GPIO driver V2
This patch is V2 of the Emma Mobile GPIO driver. This
driver is designed to be reusable between multiple SoCs
that share the same basic building block, but so far it
has only been used on Emma Mobile EV2.

Each driver instance handles 32 GPIOs with individually
maskable IRQs. The driver operates on two I/O memory
ranges and the 32 GPIOs are hooked up to two interrupts.

In the case of Emma Mobile EV2 this GPIO building block
is used as main external interrupt controller hooking up
159 GPIOS as 159 interrupts via 5 driver instances and
10 interrupts to the GIC and the Cortex-A9 Dual.

Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-05-18 00:00:45 +02:00
Mark Brown
7563bbf89d gpiolib/arches: Centralise bolierplate asm/gpio.h
Rather than requiring architectures that use gpiolib but don't have any
need to define anything custom to copy an asm/gpio.h provide a Kconfig
symbol which architectures must select in order to include gpio.h and
for other architectures just provide the trivial implementation directly.

This makes it much easier to do gpiolib updates and is also a step towards
making gpiolib APIs available on every architecture.

For architectures with existing boilerplate code leave a stub header in
place which warns on direct inclusion of asm/gpio.h and includes
linux/gpio.h to catch code that's doing this.  Direct inclusion of
asm/gpio.h has long been deprecated.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Jonas Bonn <jonas@southpole.se>
Acked-by: Tony Luck <tony.luck@intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-05-11 18:00:14 -06:00
Mathias Nyman
25cf25073a gpio: add MSIC gpio driver
Add gpio support for Intel MSIC chips found in Intel Medfield platforms.
MSIC supports totally 24 GPIOs with 16 low voltage and 8 high voltage pins.
Driver uses MSIC mfd interface for MSIC access.

(Updated comment to indicate why locking is actually safe)

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-05-11 13:14:54 -06:00
Alessandro Rubini
7b0d44f3b7 gpio: Add STA2X11 GPIO block
This introduces 128 gpio bits (for each PCI device installed) with
working interrupt support.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-05-09 15:38:39 +02:00
Mika Westerberg
465f2bd459 gpio/langwell: convert to use irq_domain
irq_domain already provides a facility to translate from hardware IRQ
numbers to Linux IRQ numbers so use that instead of open-coding the logic
in the driver.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-05-08 11:41:47 -06:00
Grant Likely
7b96c68622 Linux 3.4-rc6
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Merge tag 'v3.4-rc6' into gpio/next

Linux 3.4-rc6
2012-05-08 11:35:37 -06:00
Peter Tyser
6ed9f9c405 gpio: Add support for Intel ICHx/3100/Series[56] GPIO
This driver works on many Intel chipsets, including the ICH6, ICH7,
ICH8, ICH9, ICH10, 3100, Series 5/3400 (Ibex Peak), Series 6/C200
(Cougar Point), and NM10 (Tiger Point).

Additional Intel chipsets should be easily supported if needed, eg the
ICH1-5, EP80579, etc.

Tested on QM67 (Cougar Point), QM57 (Ibex Peak), 3100 (Whitmore Lake),
and NM10 (Tiger Point).

Includes work from Jean Delvare:
        - Resource leak removal during module load/unload
        - GPIO API bit value enforcement

Also includes code cleanup from Guenter Roeck and Grant Likely.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-05-01 12:00:21 +02:00
Grant Likely
3ffc9cebb6 gpio/sodaville: Convert sodaville driver to new irqdomain API
The irqdomain api changed significantly in v3.4 which caused a build
failure for this driver.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Hans J. Koch <hjk@linutronix.de>
Cc: Torben Hohn <torbenh@linutronix.de>
2012-04-10 14:20:55 -06:00
Grant Likely
f141ed65f2 gpio: Move DT support code into drivers/gpio
The code in drivers/of/gpio.c isn't shared by any other subsystem since it
is all gpiolib specific.  drivers/gpio is a better place to maintain these
functions.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Linus Walleij <linus.walleij@stericsson.com>
2012-04-07 14:35:28 -06:00
Axel Lin
c29985dd3e gpio/pca953x: Update GPIO_PCA953X Kconfig entry to include more supported devices
The Kconfig description and help text doesn't list all of the devices
supported by this driver.  This patch adds the PCA957x devices.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-04-06 15:43:39 -07:00
Linus Torvalds
7bf97e1d5a GPIO changes for v3.4
Primarily gpio device driver changes with some minor side effects
 under arch/arm and arch/x86.  Also includes a few core changes such as
 explicitly supporting (electrical) open source and open drain outputs
 and some help for parsing gpio devicetree properties.
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull GPIO changes for v3.4 from Grant Likely:
 "Primarily gpio device driver changes with some minor side effects
  under arch/arm and arch/x86.  Also includes a few core changes such as
  explicitly supporting (electrical) open source and open drain outputs
  and some help for parsing gpio devicetree properties."

Fix up context conflict due to Laxman Dewangan adding sleep control for
the tps65910 driver separately for gpio's and regulators.

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (34 commits)
  gpio/ep93xx: Remove unused inline function and useless pr_err message
  gpio/sodaville: Mark broken due to core irqdomain migration
  gpio/omap: fix redundant decoding of gpio offset
  gpio/omap: fix incorrect update to context.irqenable1
  gpio/omap: fix incorrect context restore logic in omap_gpio_runtime_*
  gpio/omap: fix missing dataout context save in _set_gpio_dataout_reg
  gpio/omap: fix _set_gpio_irqenable implementation
  gpio/omap: fix trigger type to unsigned
  gpio/omap: fix wakeup_en register update in _set_gpio_wakeup()
  gpio: tegra: tegra_gpio_config shouldn't be __init
  gpio/davinci: fix enabling unbanked GPIO IRQs
  gpio/davinci: fix oops on unbanked gpio irq request
  gpio/omap: Fix section warning for omap_mpuio_alloc_gc()
  ARM: tegra: export tegra_gpio_{en,dis}able
  gpio/gpio-stmpe: Fix the value returned by _get_value routine
  Documentation/gpio.txt: Explain expected pinctrl interaction
  GPIO: LPC32xx: Add output reading to GPO P3
  GPIO: LPC32xx: Fix missing bit selection mask
  gpio/omap: fix wakeups on level-triggered GPIOs
  gpio/omap: Fix IRQ handling for SPARSE_IRQ
  ...
2012-03-28 14:08:46 -07:00
Grant Likely
8194c7c4d5 gpio/sodaville: Mark broken due to core irqdomain migration
The sodaville driver doesn't build anymore due to the transition to
common irq_domain in the core code.  It needs to be reworked, but
the rework isn't trivial.  Since this is a new driver anyway for
v3.4, mark it as broken now and a fixup patch can re-enable it when
the rework change has been tested.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-03-23 08:56:10 +00:00
Martyn Welch
6518bb69f4 gpio: Move GE GPIO driver to reside within GPIO subsystem
The GE GPIO driver provides basic support (set direction, read/write state)
for the GPIO provided on some GE single board computers. This patch moves
the driver from the 86xx specific platform directrory to the GPIO subsystem
so that it can be used on non-86xx boards.

Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2012-03-16 11:08:08 -05:00
Sebastian Andrzej Siewior
b43ab901d6 gpio: Add a driver for Sodaville GPIO controller
Sodaville has GPIO controller behind the PCI bus. To my suprissed it is
not the same as on PXA.

The interrupt & gpio chip can be referenced from the device tree like
from any other driver. Unfortunately the driver which uses the gpio
interrupt has to use irq_of_parse_and_map() instead of
platform_get_irq(). The problem is that the platform device (which is
created from the device tree) is most likely created before the
interrupt chip is registered and therefore irq_of_parse_and_map() fails.

In theory the driver works as module. In reality most of the irq
functions are not exported to modules and it is possible that _this_
module is unloaded while the provided irqs are still in use.

Signed-off-by: Hans J. Koch <hjk@linutronix.de>
[torbenh@linutronix.de: make it work after the irq namespace cleanup,
	                add some device tree entries.]
Signed-off-by: Torben Hohn <torbenh@linutronix.de>
[bigeasy@linutronix.de: convert to generic irq & gpio chip]
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[grant.likely@secretlab.ca: depend on x86 to avoid irq_domain breakage]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-02-03 16:13:25 -07:00
wu guoxing
608589b15f ARM/mx35/3ds: gpio: add mc9s08dz60 gpio function
we only use the gpio function of mc9s08dz60 mcu chip, so just
add the gpio driver, as this mcu will never be used in other board.

Signed-off-by: Wu Guoxing <b39297@freescale.com>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-01-30 07:49:08 -07:00
Grant Likely
265fe02b6f gpio/it8761e: Restrict it8761e gpio driver to x86.
This driver does an unconditional read of io space during module init which
causes a bad dereference on ARM.  It looks to me like this is an x86 only
drivers, so restrict it to only compile on x86.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Denis Turischev <denis@compulab.co.il>
2012-01-17 17:43:09 -07:00
Linus Torvalds
f5e4e20faa 2nd round of GPIO changes for v3.3 merge window
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6

2nd round of GPIO changes for v3.3 merge window

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6:
  GPIO: sa1100: implement proper gpiolib gpio_to_irq conversion
  gpio: pl061: remove combined interrupt
  gpio: pl061: convert to use generic irq chip
  GPIO: add bindings for managed devices
  ARM: realview: convert pl061 no irq to 0 instead of -1
  gpio: pl061: convert to use 0 for no irq
  gpio: pl061: use chained_irq_* functions in irq handler
  GPIO/pl061: Add suspend resume capability
  drivers/gpio/gpio-tegra.c: use devm_request_and_ioremap
2012-01-14 13:25:23 -08:00
Linus Torvalds
d52739c62e Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (31 commits)
  pinctrl: remove unnecessary max pin number
  pinctrl: correct a offset while enumerating pins
  pinctrl: some typo fixes
  pinctrl: rename U300 and SIRF pin controllers
  pinctrl: pass name instead of device to pin_config_*
  pinctrl: add "struct seq_file;" to pinconf.h
  pinctrl: conjure names for unnamed pins
  pinctrl: add a group-specific hog macro
  pinctrl: don't create a device for each pin controller
  arm/u300: don't use PINMUX_MAP_PRIMARY*
  pinctrl: implement PINMUX_MAP_SYS_HOG
  pinctrl: add a pin config interface
  pinctrl/coh901: driver to request its pins
  pinctrl: u300-pinmux: register proper GPIO ranges
  pinctrl: move the U300 GPIO driver to pinctrl
  ARM: u300: localize GPIO assignments
  pinctrl: make it possible to add multiple maps
  pinctrl: make a copy of pinmux map
  pinctrl: GPIO direction support for muxing
  pinctrl: print pin range in GPIO range debugs
  ...
2012-01-10 10:19:57 -08:00
Linus Torvalds
2ac9d7aacc Driver specific changes
Again, a lot of platforms have changes in here: pxa, samsung, omap,
 at91, imx, ...
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Driver specific changes

Again, a lot of platforms have changes in here: pxa, samsung, omap,
at91, imx, ...

* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
  ARM: sa1100: clean up of the clock support
  ARM: pxa: add dummy clock for sa1100-rtc
  RTC: sa1100: support sa1100, pxa and mmp soc families
  RTC: sa1100: remove redundant code of setting alarm
  RTC: sa1100: Clean out ost register
  Input: zylonite-wm97xx - replace IRQ_GPIO() with gpio_to_irq()
  pcmcia: pxa: replace IRQ_GPIO() with gpio_to_irq()
  ARM: EXYNOS: Modified files for SPI consolidation work
  ARM: S5P64X0: Enable SDHCI support
  ARM: S5P64X0: Add lookup of sdhci-s3c clocks using generic names
  ARM: S5P64X0: Add HSMMC setup for host Controller
  ARM: EXYNOS: Add USB OHCI support to ORIGEN board
  USB: Add Samsung Exynos OHCI diver
  ARM: EXYNOS: Add USB OHCI support to SMDKV310 board
  ARM: EXYNOS: Add USB OHCI device
  net: macb: fix build break with !CONFIG_OF
  i2c: tegra: Support DVC controller in device tree
  i2c: tegra: Add __devinit/exit to probe/remove
  net/at91_ether: use gpio_is_valid for phy IRQ line
  ARM: at91/net: add macb ethernet controller in 9g45/9g20 DT
  ...
2012-01-09 14:39:22 -08:00
Linus Torvalds
b7d845f882 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (36 commits)
  mfd: Clearing events requires event registers to be writable for da9052-core
  mfd: Fix annotations in da9052-core
  gpiolib: Mark da9052 driver broken
  mfd: Declare da9052_regmap_config for the bus drivers
  MFD: DA9052/53 MFD core module add SPI support v2
  MFD: DA9052/53 MFD core module
  regmap: Add irq_base accessor to regmap_irq
  regmap: Allow drivers to reinitialise the register cache at runtime
  regmap: Add trace event for successful cache reads
  regmap: Allow regmap_update_bits() users to detect changes
  regmap: Report if we actually handled an interrupt in regmap-irq
  regmap: Fix rbtreee build when not using debugfs
  regmap: Provide debugfs dump of the rbtree cache data
  regmap: Do debugfs init before cache init
  regmap: Suppress noop writes in regmap_update_bits()
  regmap: Remove indexed cache type
  regmap: Drop check whether a register is readable in regcache_read
  regmap: Properly round cache_word_size
  regmap: Add support for 10/14 register formating
  regmap: Try cached read before checking if a hardware read is possible
  ...
2012-01-08 13:35:24 -08:00
Linus Torvalds
98793265b4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (53 commits)
  Kconfig: acpi: Fix typo in comment.
  misc latin1 to utf8 conversions
  devres: Fix a typo in devm_kfree comment
  btrfs: free-space-cache.c: remove extra semicolon.
  fat: Spelling s/obsolate/obsolete/g
  SCSI, pmcraid: Fix spelling error in a pmcraid_err() call
  tools/power turbostat: update fields in manpage
  mac80211: drop spelling fix
  types.h: fix comment spelling for 'architectures'
  typo fixes: aera -> area, exntension -> extension
  devices.txt: Fix typo of 'VMware'.
  sis900: Fix enum typo 'sis900_rx_bufer_status'
  decompress_bunzip2: remove invalid vi modeline
  treewide: Fix comment and string typo 'bufer'
  hyper-v: Update MAINTAINERS
  treewide: Fix typos in various parts of the kernel, and fix some comments.
  clockevents: drop unknown Kconfig symbol GENERIC_CLOCKEVENTS_MIGR
  gpio: Kconfig: drop unknown symbol 'CS5535_GPIO'
  leds: Kconfig: Fix typo 'D2NET_V2'
  sound: Kconfig: drop unknown symbol ARCH_CLPS7500
  ...

Fix up trivial conflicts in arch/powerpc/platforms/40x/Kconfig (some new
kconfig additions, close to removed commented-out old ones)
2012-01-08 13:21:22 -08:00
Grant Likely
fda87903f4 Merge branch 'gpio-for-grant' of git://sources.calxeda.com/kernel/linux into gpio/next
Conflicts:
	drivers/gpio/gpio-pl061.c
2012-01-05 11:05:51 -07:00
Rob Herring
3ab5247544 gpio: pl061: convert to use generic irq chip
Convert the pl061 irq_chip code to use the generic irq chip code.

This has the side effect of using 32-bit accesses rather than 8-bit
accesses to interrupt registers. The h/w TRM and testing seem to indicate
this is fine.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2012-01-05 08:47:12 -06:00
Linus Walleij
ca402d37dc pinctrl: move the U300 GPIO driver to pinctrl
This driver will be converted to a dual GPIO + pinctrl driver
since it supports biasing and driving control options. Hopefully
it can serve as an example.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-01-03 09:10:03 +01:00
Mark Brown
f5a26f8915 gpiolib: Mark da9052 driver broken
The driver was merged prior to the MFD and won't build with the MFD.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-12-20 02:02:54 +00:00
Tomoya MORINAGA
868fea0507 pch_gpio: Support new device LAPIS Semiconductor ML7831 IOH
ML7831 is companion chip for Intel Atom E6xx series.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-12-12 13:40:15 -07:00
Paul Bolle
babf000e62 gpio: Kconfig: drop unknown symbol 'CS5535_GPIO'
Commit af0c25c487 ("staging: remove obsoleted CS5535/CS5536 GPIO
driver") dropped CS5535_GPIO. So this last reference to CS5535_GPIO has
been an (inconsequential) nop since v3.1. Drop it too.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-11-28 11:13:57 +01:00
Haojian Zhuang
157d2644cb ARM: pxa: change gpio to platform device
Remove most gpio macros and change gpio driver to platform driver.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
2011-11-15 19:08:27 +08:00
Linus Torvalds
1197ab2942 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (106 commits)
  powerpc/p3060qds: Add support for P3060QDS board
  powerpc/83xx: Add shutdown request support to MCU handling on MPC8349 MITX
  powerpc/85xx: Make kexec to interate over online cpus
  powerpc/fsl_booke: Fix comment in head_fsl_booke.S
  powerpc/85xx: issue 15 EOI after core reset for FSL CoreNet devices
  powerpc/8xxx: Fix interrupt handling in MPC8xxx GPIO driver
  powerpc/85xx: Add 'fsl,pq3-gpio' compatiable for GPIO driver
  powerpc/86xx: Correct Gianfar support for GE boards
  powerpc/cpm: Clear muram before it is in use.
  drivers/virt: add ioctl for 32-bit compat on 64-bit to fsl-hv-manager
  powerpc/fsl_msi: add support for "msi-address-64" property
  powerpc/85xx: Setup secondary cores PIR with hard SMP id
  powerpc/fsl-booke: Fix settlbcam for 64-bit
  powerpc/85xx: Adding DCSR node to dtsi device trees
  powerpc/85xx: clean up FPGA device tree nodes for Freecsale QorIQ boards
  powerpc/85xx: fix PHYS_64BIT selection for P1022DS
  powerpc/fsl-booke: Fix setup_initial_memory_limit to not blindly map
  powerpc: respect mem= setting for early memory limit setup
  powerpc: Update corenet64_smp_defconfig
  powerpc: Update mpc85xx/corenet 32-bit defconfigs
  ...

Fix up trivial conflicts in:
 - arch/powerpc/configs/40x/hcu4_defconfig
	removed stale file, edited elsewhere
 - arch/powerpc/include/asm/udbg.h, arch/powerpc/kernel/udbg.c:
	added opal and gelic drivers vs added ePAPR driver
 - drivers/tty/serial/8250.c
	moved UPIO_TSI to powerpc vs removed UPIO_DWAPB support
2011-11-06 17:12:03 -08:00
Linus Torvalds
7abec10c62 Merge branch 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc
* 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc: (79 commits)
  ARM: SAMSUNG: Move fimc plat. device from board files to plat-samsung
  ARM: SAMSUNG: Cleanup resources by using macro
  ARM: SAMSUNG: Cleanup plat-samsung/devs.c and devs.h
  ARM: S5P: To merge devs.c files to one devs.c
  ARM: S3C64XX: To merge devs.c files to one devs.c
  ARM: S3C24XX: To merge s3c24xx devs.c files to one devs.c
  ARM: S5P64X0: Add Power Management support
  ARM: S5P: Make the sleep code common for S5P series SoCs
  ARM: S5P: Make the common S5P PM code conditionally compile
  ARM: SAMSUNG: Move S5P header files to plat-samsung
  ARM: SAMSUNG: Move S3C24XX header files to plat-samsung
  ARM: SAMSUNG: Moving each SoC support header files
  ARM: SAMSUNG: Consolidate plat/pll.h
  ARM: SAMSUNG: Consolidate plat/pwm-clock.h
  ARM: SAMSUNG: Cleanup mach/clkdev.h
  ARM: SAMSUNG: remove sdhci default configuration setup platform helper
  ARM: EXYNOS4: Add FIMC device on SMDKV310 board
  ARM: EXYNOS4: Add header file protection macros
  ARM: EXYNOS4: Add usb ehci device to the SMDKV310
  ARM: S3C2443: Add hsspi-clock from pclk and rename S3C2443 hsspi sclk
  ...

Fix up conflicts in
 - arch/arm/mach-exynos4/{Kconfig,clock.c}
	ARM_CPU_SUSPEND, various random device tables (gah!)
 - drivers/gpio/Makefile
	sa1100 gpio added, samsung gpio drivers merged
2011-11-05 18:18:05 -07:00
Linus Torvalds
a0a4194c94 Merge branch 'for-next' of git://git.infradead.org/users/sameo/mfd-2.6
* 'for-next' of git://git.infradead.org/users/sameo/mfd-2.6: (80 commits)
  mfd: Fix missing abx500 header file updates
  mfd: Add missing <linux/io.h> include to intel_msic
  x86, mrst: add platform support for MSIC MFD driver
  mfd: Expose TurnOnStatus in ab8500 sysfs
  mfd: Remove support for early drop ab8500 chip
  mfd: Add support for ab8500 v3.3
  mfd: Add ab8500 interrupt disable hook
  mfd: Convert db8500-prcmu panic() into pr_crit()
  mfd: Refactor db8500-prcmu request_clock() function
  mfd: Rename db8500-prcmu init function
  mfd: Fix db5500-prcmu defines
  mfd: db8500-prcmu voltage domain consumers additions
  mfd: db8500-prcmu reset code retrieval
  mfd: db8500-prcmu tweak for modem wakeup
  mfd: Add db8500-pcmu watchdog accessor functions for watchdog
  mfd: hwacc power state db8500-prcmu accessor
  mfd: Add db8500-prcmu accessors for PLL and SGA clock
  mfd: Move to the new db500 PRCMU API
  mfd: Create a common interface for dbx500 PRCMU drivers
  mfd: Initialize DB8500 PRCMU regs
  ...

Fix up trivial conflicts in
	arch/arm/mach-imx/mach-mx31moboard.c
	arch/arm/mach-omap2/board-omap3beagle.c
	arch/arm/mach-u300/include/mach/irqs.h
	drivers/mfd/wm831x-spi.c
2011-11-03 09:40:51 -07:00
Linus Torvalds
41684f67af Merge branch 'gpio/next' of git://git.secretlab.ca/git/linux-2.6
* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6:
  h8300: Move gpio.h to gpio-internal.h
  gpio: pl061: add DT binding support
  gpio: fix build error in include/asm-generic/gpio.h
  gpiolib: Ensure struct gpio is always defined
  irq: Add EXPORT_SYMBOL_GPL to function of irq generic-chip
  gpio-ml-ioh: Use NUMA_NO_NODE not GFP_KERNEL
  gpio-pch: Use NUMA_NO_NODE not GFP_KERNEL
  gpio: langwell: ensure alternate function is cleared
  gpio-pch: Support interrupt function
  gpio-pch: Save register value in suspend()
  gpio-pch: modify gpio_nums and mask
  gpio-pch: support ML7223 IOH n-Bus
  gpio-pch: add spinlock in suspend/resume processing
  gpio-pch: Delete invalid "restore" code in suspend()
  gpio-ml-ioh: Fix suspend/resume issue
  gpio-ml-ioh: Support interrupt function
  gpio-ml-ioh: Delete unnecessary code
  gpio/mxc: add chained_irq_enter/exit() to mx3_gpio_irq_handler()
  gpio/nomadik: use genirq core to track enablement
  gpio/nomadik: disable clocks when unused
2011-10-29 07:27:45 -07:00
Arnd Bergmann
8a0a8e8e42 mfd: remove CONFIG_MFD_SUPPORT
We currently have two symbols to control compilation the MFD subsystem,
MFD_SUPPORT and MFD_CORE. The MFD_SUPPORT is actually not required
at all, it only hides the submenu when not set, with the effect that
Kconfig warns about missing dependencies when another driver selects
an MFD driver while MFD_SUPPORT is disabled. Turning the MFD submenu
back from menuconfig into a plain menu simplifies the Kconfig syntax
for those kinds of users and avoids the surprise when the menu
suddenly appears because another driver was enabled that selects this
symbol.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2011-10-24 14:09:13 +02:00
Tomoya MORINAGA
38eb18a6f9 gpio-pch: Support interrupt function
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-10-05 11:59:17 -06:00
Tomoya MORINAGA
54be566317 gpio-ml-ioh: Support interrupt function
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-10-05 11:57:04 -06:00
Wolfram Sang
c68308dd50 gpio: move mpc8xxx/512x gpio driver to drivers/gpio
Move the driver to the place where it is expected to be nowadays. Also
rename its CONFIG-name to match the rest and adapt the defconfigs.
Finally, move selection of REQUIRE_GPIOLIB or WANTS_OPTIONAL_GPIOLIB to
the platforms, because this option is per-platform and not per-driver.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
2011-09-23 00:14:15 +02:00
Kukjin Kim
1b39d5f2cc gpio/samsung: gpio-samsung.c to support Samsung GPIOs
This patch adds support for Samsung GPIOs with one gpio driver
and removes old GPIO drivers which are drivers/gpio-s3c24xx.c,
gpio-s3c64xx.c, gpio-s5p64x0.c, gpio-s5pc100.c, gpio-s5pv210.c,
gpio-exynos4.c, gpio-plat-samsung.c, plat-samsung/gpio-config.c
and gpio.c to support each Samsung SoCs before. Because the
gpio-samsung.c can replace old Samsung GPIO drivers.
Basically, the gpio-samsung.c has been made by their merging
and removing duplicated definitions.

Note: gpio-samsung.c includes some SoC dependent codes and it
will be replaced next time.

Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
[kgene.kim@samsung.com: squash the removing and adding patches]
[kgene.kim@samsung.com: fixes bug during to register of gpio_chips]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-09-21 15:06:05 +09:00
Kukjin Kim
c4b3fd38df gpio/s5p64x0: move gpio driver into drivers/gpio/
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-09-21 10:52:39 +09:00
Kukjin Kim
ec080059c1 gpio/s3c64xx: move gpio driver into drivers/gpio/
Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-09-21 10:52:32 +09:00
Kukjin Kim
536137bc9f gpio/s3c24xx: move gpio driver into drivers/gpio/
Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-09-21 10:52:22 +09:00
Linus Walleij
cc890cd78a ARM: 7083/1: rewrite U300 GPIO to use gpiolib
This rewrites the U300 GPIO so as to use gpiolib and
struct gpio_chip instead of just generic GPIO, hiding
all the platform specifics and passing in GPIO chip
variant as platform data at runtime instead of the
compiletime kludges.

As a result <mach/gpio.h> is now empty for U300 and
using just defaults.

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Debian kernel maintainers <debian-kernel@lists.debian.org>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-09-08 10:03:56 +01:00
Linus Torvalds
4a2d732f5d Merge branch 'gpio/next' of git://git.secretlab.ca/git/linux-2.6
* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6:
  gpio_msm: Move Qualcomm MSM v2 gpio driver into drivers
  gpio_msm: Move Qualcomm v6 MSM driver into drivers
  msm: gpio: Fold register defs into C file
  msm: gpiomux: Move public API to public header
  msm: gpio: Remove ifdefs on gpio chip registers
  msm: gpio: Remove chip-specific register definitions
  msm: Remove chip-ifdefs for GPIO io mappings
  msm: gpio: Remove unsupported devices
  gpio: ab8500: fix MODULE_ALIAS for ab8500
  of/gpio: export of_gpio_simple_xlate
2011-08-01 06:13:48 -10:00
Grant Likely
867f503d58 Merge branch 'msm-move-gpio' of git://codeaurora.org/quic/kernel/davidb/linux-msm into gpio/next
Conflicts:
	drivers/gpio/Kconfig
	drivers/gpio/Makefile
2011-08-01 15:16:05 +01:00
David Brown
1a5ab4b3e6 gpio_msm: Move Qualcomm MSM v2 gpio driver into drivers
Migrate the driver for the v7-based MSM chips into drivers/gpio.  The
driver is unchanged, only moved.

Change-Id: I810db5b50b71cdca4e869aa0d0310f7f48781a55
Signed-off-by: David Brown <davidb@codeaurora.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-08-01 04:58:00 -07:00
David Brown
74d10d7461 gpio_msm: Move Qualcomm v6 MSM driver into drivers
Migrate the driver for the v6-based MSM chips into drivers/gpio.  The
driver is unchanged, only moved.

Change-Id: I03ba597b95b4d62b42da112a8efac88d67aa40f9
Signed-off-by: David Brown <davidb@codeaurora.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2011-08-01 04:58:00 -07:00
Margarita Olaya
668a6cc710 tps65912: gpio: add gpio driver
TPS65912 has five GPIOs that can be configured for different
purposes.

Signed-off-by: Margarita Olaya Cabrera <magi@slimlogic.co.uk>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-07-31 23:28:22 +02:00
Peter Korsgaard
752ad5e82d mcp23s08: add i2c support
Add i2c bindings for the mcp230xx devices. This is quite a lot simpler
than the spi one as there's no funky sub addressing done (one struct
i2c_client per struct gpio_chip).

The mcp23s08_platform_data structure is reused for i2c, even though
only a single mcp23s08_chip_info structure is needed.

To use, simply fill out a platform_data structure and pass it in
i2c_board_info, E.G.:

static const struct mcp23s08_platform_data mcp23017_data = {
	.chip[0] = {
		.pullups = 0x00ff,
	},
	.base = 240,
};

static struct i2c_board_info __initdata i2c_devs[] = {
	{ I2C_BOARD_INFO("mcp23017", 0x20),
	  .platform_data = &smartview_mcp23017_data, },
	...
};

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-07-15 13:54:18 -06:00
Grant Likely
6eae1ace68 gpio: Move mpc5200 gpio driver to drivers/gpio
GPIO drivers are getting consolidated into drivers/gpio.  While at it,
change the driver name to mpc5200-gpio* to avoid collisions.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-07-06 11:57:15 -06:00
ashishj3
07bfc91523 GPIO: DA9052 GPIO module v3
DA9052 PMIC has 16 bit GPIO bus for peripheral control.

This patch add support for the GPIO pins on the DA9052.

Signed-off-by: David Dajun Chen <dchen@diasemi.com>
Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-07-06 10:31:58 -06:00
H Hartley Sweeten
1e4c88420e gpio/ep93xx: convert to platform_driver and use basic_mmio_gpio library
This converts the gpio-ep93xx driver into a platform_driver and uses
the basic_mmio_gpio library.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-08 16:11:57 -06:00
H Hartley Sweeten
32919a28cc gpio/samsung: make Kconfig options def_bool
The Samsung GPIO drivers are always built-in when the relevant
platform is selected.  Change the Kconfig symbol to def_bool y
dependant on the platform.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-07 14:37:27 -06:00
Shawn Guo
498c17cf6a gpio/mxs: convert gpio-mxs to use generic irq chip
The patch converts gpio-mxs driver to use generic irq chip.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-07 09:00:57 -06:00
Shawn Guo
06f88a8ae9 gpio/mxs: convert gpio-mxs to use basic_mmio_gpio library
The gpio-mxs controller complies with basic_mmio_gpio library.  This
patch converts the driver to use the library.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-07 08:58:16 -06:00
Shawn Guo
e4ea933363 gpio/mxc: convert gpio-mxc to use generic irq chip
The patch converts gpio-mxc driver to use generic irq chip.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-07 08:49:20 -06:00
Grant Likely
c103de2404 gpio: reorganize drivers
Sort the gpio makefile and enforce the naming convention gpio-*.c for
gpio drivers.

v2: cleaned up filenames in Kconfig and comment blocks
v3: fixup use of BASIC_MMIO to GENERIC_GPIO for mxc

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-06 10:10:11 -06:00
Grant Likely
8c31b1635b Merge branch 'gpio/next-mx' into gpio/next 2011-06-06 10:10:07 -06:00
H Hartley Sweeten
c6b52c13de gpio/ep93xx: move driver to drivers/gpio
The GPIO driver should reside in drivers/gpio.

v3: Change Kconfig option to def_bool y
v2: Make the Kconfig symbol a silent option, dependent on ARCH_EP93XX

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-06 10:09:42 -06:00
Shawn Guo
2ce420da39 gpio/mxc: convert gpio-mxc to use basic_mmio_gpio library
The gpio-mxc controller complies with basic_mmio_gpio library.  The
patch convert the driver to use the library.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-06 10:01:19 -06:00
Shawn Guo
d37a65bb46 gpio/mxc: Move Freescale MXC gpio driver to drivers/gpio
GPIO drivers are getting moved to drivers/gpio for cleanup and
consolidation.  This patch moves the plat-mxc driver.  Follow up
patches will clean it up and make it a fine upstanding gpio driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-06 10:01:19 -06:00
Grant Likely
7b2fa57020 gpio/mxs: Move Freescale mxs gpio driver to drivers/gpio
GPIO drivers are getting moved to drivers/gpio for cleanup and
consolidation.  This patch moves the mxs driver.  Follow up patches
will clean it up and make it a fine upstanding example of a gpio
driver.

v2: Removed header file entirely and put struct definition directly
    into driver.  The struct isn't used anywhere else in the kernel.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
2011-06-06 09:37:58 -06:00
H Hartley Sweeten
a26221a834 gpio/samsung: make Kconfig options def_bool
The Samsung GPIO drivers are always built-in when the relevant
platform is selected.  Change the Kconfig symbol to def_bool y
dependant on the platform.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-03 12:35:12 -06:00
Kyungmin Park
27721a52d6 gpio: Fix gpio-exynos4 build fails in mainline
After the GPIO driver move, some symbols became selectable when they
shouldn't be.  Tighten the dependencies.

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-29 23:53:20 -06:00
Linus Torvalds
fac04863ce arm gpio drivers: make them 'depends on ARM'
We had a few drivers move from arch/arm into drivers/gpio, but they
don't actually compile without the ARM platform headers etc.  As a
result they were messing up allyesconfig on x86.

Make them depend on ARM.

Reported-by: Ingo Molnar <mingo@elte.hu>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-29 14:06:42 -07:00
Linus Torvalds
04830fccdc Merge branch 'gpio/next' of git://git.secretlab.ca/git/linux-2.6
* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6:
  gpio/pch_gpio: Support new device ML7223
  gpio: make gpio_{request,free}_array gpio array parameter const
  GPIO: OMAP: move to drivers/gpio
  GPIO: OMAP: move register offset defines into <plat/gpio.h>
  gpio: Convert gpio_is_valid to return bool
  gpio: Move the s5pc100 GPIO to drivers/gpio
  gpio: Move the s5pv210 GPIO to drivers/gpio
  gpio: Move the exynos4 GPIO to drivers/gpio
  gpio: Move to Samsung common GPIO library to drivers/gpio
  gpio/nomadik: add function to read GPIO pull down status
  gpio/nomadik: show all pins in debug
  gpio: move Nomadik GPIO driver to drivers/gpio
  gpio: move U300 GPIO driver to drivers/gpio
  langwell_gpio: add runtime pm support
  gpio/pca953x: Add support for pca9574 and pca9575 devices
  gpio/cs5535: Show explicit dependency between gpio_cs5535 and mfd_cs5535
2011-05-28 10:56:34 -07:00
Tomoya MORINAGA
bc786ccead gpio/pch_gpio: Support new device ML7223
Support new device OKI SEMICONDUCTOR ML7223 IOH(Input/Output Hub).
The ML7223 IOH is for MP(Media Phone) use.
The ML7223 is companion chip for Intel Atom E6xx series.
The ML7223 is completely compatible for Intel EG20T PCH.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-27 17:56:45 -06:00
Jorge Eduardo Candelaria
83545d836c GPIO: TPS65910: Move driver to drivers/gpio/
The GPIO driver should reside in drivers/gpio/ for better
organization.

Signed-off-by: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:49:29 +01:00
Kyungmin Park
82ab0f75ee gpio: Move the s5pc100 GPIO to drivers/gpio
Move the Samsung s5pc100 SoC GPIO driver to drivers/gpio

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 17:33:41 -06:00
Kyungmin Park
347ec4e47d gpio: Move the s5pv210 GPIO to drivers/gpio
Move the Samsung s5pv210 SoC GPIO driver to drivers/gpio

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 17:33:37 -06:00
Kyungmin Park
ab48f16137 gpio: Move the exynos4 GPIO to drivers/gpio
Move the Samsung Exynos4 series SoCs GPIO driver to drivers/gpio

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 17:32:50 -06:00
Kyungmin Park
fed6a02247 gpio: Move to Samsung common GPIO library to drivers/gpio
It's common gpiolib for recent Samsung SoCs. Move to drivers/gpio

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 17:31:22 -06:00
Ed Wildgoose
073cc4e95a gpio/cs5535: Show explicit dependency between gpio_cs5535 and mfd_cs5535
cs5535-gpio.c has been split into two, with various setup moved
into cs5535-mfd.c.  Given that cs5535-gpio will not load without
the -mfd part, lets make that dependency explicit in Kconfig

Signed-off-by: Ed Wildgoose <kernel@wildgooses.com>
Acked-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 13:54:18 -06:00
Jamie Iles
280df6b3c3 basic_mmio_gpio: split into a gpio library and platform device
Allow GPIO_BASIC_MMIO_CORE to be used to provide an accessor library
for implementing GPIO drivers whilst abstracting the register access
detail.  Based on a patch from Anton Vorontsov[1] and adapted to allow
bgpio_chip to be embedded in another structure.

Changes since v1:
	- Register the gpio_chip in the platform device probe

1. https://lkml.org/lkml/2011/4/19/401

Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-20 00:40:19 -06:00
Linus Walleij
e849dc044a gpio: remove some legacy comments in build files
The build files for drivers/gpio has some wording and comments
about the directory being reserved exclusively for GPIO expanders
(according to the gpio.txt file these are on external busses) and
this has been false for some time. We already have PL061 and
Xilinx drivers which are in silicon and now I'm moving more
silicon drivers here, so delete this and reword it a bit.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-20 00:40:19 -06:00
H Hartley Sweeten
6cff9e2b34 gpio: remove redundant Kconfig depends on GPIOLIB
Since all the drivers are in a 'if GPIOLIB/endif block', the depends on GPIOLIB
is redundant so remove them.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-20 00:40:17 -06:00
Thomas Gleixner
9ad198cba2 gpio: ab8500: Mark broken
This driver is broken in several aspects.

 1) old style irq_chip functions. Sigh

 2) Abuse of the unlock callback. That's not supposed to be a state
    machine for evrything and some more.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-29 14:50:42 +02:00
Bibek Basu
0cb3fcd72c gpio: driver for 42 AB8500 GPIO pins
To get rid of port expanders, the free GPIOs of ab8500
can be used. There are 42 GPIO pins. Out of which 16
are interrupt capable.This patch implements 16 virtual
IRQ mapped to 16 interrupt capable AB8500 GPIOs.

Signed-off-by: Bibek Basu <bibek.basu@stericsson.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
[Renamed header file as per MFD structure]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-03-28 08:47:17 +02:00
Denis Turischev
f04ddfcd24 gpio: Add Tunnel Creek support to sch_gpio
Almost the same driver for both Poulsbo and Tunnel Creek.
The difference is in quantity of GPIOs powered by the core power
rail and by suspend power supply, default values for some GPIOs, etc.
Detect actual hardware by platform device ID assigned in lpc_sch
and set configuration accordingly.

Signed-off-by: Denis Turischev <denis@compulab.co.il>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-03-23 10:42:08 +01:00
Thomas Gleixner
61ab3fe57e gpio; Make Intel chipset gpio drivers depend on x86
Nothing outside of x86 can use that code.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-03-17 13:49:02 -06:00
Peter Korsgaard
0b7bb77fd5 gpio/mcp23s08: support mcp23s17 variant
mpc23s17 is very similar to the mcp23s08, except that registers are 16bit
wide, so extend the interface to work with both variants.

The s17 variant also has an additional address pin, so adjust platform
data structure to support up to 8 devices per SPI chipselect.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-03-12 01:26:34 -07:00
Tomoya MORINAGA
49a367937f gpio/ml_ioh_gpio: ML7213 GPIO driver
ML7213 is a companion chip for Intel Atom E6xx series.  This driver can be
used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output Hub) which is for
IVI(In-Vehicle Infotainment) use.  This driver can access the IOH's GPIO
device.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Rabin Vincent <rabin.vincent@stericsson.com>
Cc: Marc Zyngier <maz@misterjones.org>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-01-13 08:03:14 -08:00
Randy Dunlap
32518863b4 GPIO_VX855: eliminate kconfig dependency warning
Fix kconfig dependency warning to satisfy dependencies:

warning: (GPIO_VX855 && GPIOLIB) selects MFD_VX855 which has unmet direct dependencies (MFD_SUPPORT && PCI)

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Daniel Drake <dsd@laptop.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-01-13 08:03:14 -08:00
Randy Dunlap
6f7ab5246d GPIO_RDC321X: select MFD_SUPPORT to squelch kconfig warning
Fix kconfig dependency warning to satisfy dependencies:

warning: (GPIO_RDC321X && PCI && GPIOLIB) selects MFD_RDC321X which has unmet direct dependencies (MFD_SUPPORT && PCI)

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-01-13 08:03:14 -08:00
Andres Salomon
1b912c1bca drivers/gpio/cs5535-gpio.c: add some additional cs5535-specific GPIO functionality
This adds (well, re-adds actually) handling for events/IRQs through cs5535
GPIOs.  In the wild and wooly world of CS5535, setup_event() is for
assigning an IRQ to a GPIO filter/event pair, and set_irq() sets up the
pair to trigger IRQs.

These should really only be used in highly platform-specific drivers (such
as OLPC's DCON driver).  Sadly, because set_irq() uses MSRs, this causes
the driver to become X86-specific.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Daniel Drake <dsd@laptop.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-01-13 08:03:13 -08:00
Sundar Iyer
f4e8afdc7a mfd/tc35892: rename tc35892 core driver to tc3589x
Rename the tc35892 core/gpio drivers to tc3589x to include
new variants in the same mfd core

Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Sundar Iyer <sundar.iyer@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
2010-12-19 19:27:42 +01:00
Daniel Drake
99ea2626a7 gpio: Add VIA VX855 GPIO driver
This is needed for supporting the upcoming VX855 camera and OLPC DCON
drivers, as well as the advanced viafb features on non-OLPC hardware
based on this chip.

Based on earlier work by Harald Welte.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-10-29 00:29:51 +02:00
Tomoya MORINAGA
04c17aa893 gpio: add Topcliff PCH GPIO driver
Topcliff PCH is the platform controller hub that is going to be used in
Intel's upcoming general embedded platform.  All IO peripherals in
Topcliff PCH are actually devices sitting on AMBA bus.  Topcliff PCH has
GPIO I/F.  Using this I/F, it is able to access system devices connected
to GPIO.

[akpm@linux-foundation.org: ese DEFINE_PCI_DEVICE_TABLE (per Joe Perches)]
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Rabin Vincent <rabin.vincent@stericsson.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: Tomoya MORINAGA <morinaga526@dsn.okisemi.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-27 18:03:07 -07:00
Michael Hennerich
459773ae8d gpio: adp5588-gpio: support interrupt controller
Implement irq_chip functionality on ADP5588/5587 GPIO expanders.  Only
level sensitive interrupts are supported.  Interrupts provided by this
irq_chip must be requested using request_threaded_irq().

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-27 18:03:07 -07:00
Miguel Gaio
ead6db0843 gpio: add support for 74x164 serial-in/parallel-out 8-bit shift register
Add support for generic 74x164 serial-in/parallel-out 8-bits shift
register.  This driver can be used as a GPIO output expander.

[akpm@linux-foundation.org: remove unused local `refresh']
Signed-off-by: Miguel Gaio <miguel.gaio@efixo.com>
Signed-off-by: Juhos Gabor <juhosg@openwrt.org>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-27 18:03:07 -07:00
Anton Vorontsov
aeec56e331 gpio: add driver for basic memory-mapped GPIO controllers
The basic GPIO controllers may be found in various on-board FPGA and ASIC
solutions that are used to control board's switches, LEDs, chip-selects,
Ethernet/USB PHY power, etc.

These controllers may not provide any means of pin setup
(in/out/open drain).

The driver supports:
- 8/16/32/64 bits registers;
- GPIO controllers with clear/set registers;
- GPIO controllers with a single "data" register;
- Big endian bits/GPIOs ordering (mostly used on PowerPC).

Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: David Brownell <david-b@pacbell.net>
Cc: Samuel Ortiz <sameo@linux.intel.com>,
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-27 18:03:06 -07:00
Rabin Vincent
03f822f5e5 gpio: Add STMPE GPIO driver
Add support for the GPIOs on STMPE I/O Expanders.

[l.fu@pengutronix.de: fix set direction input]
[l.fu@pengutronix.de: set GPIO alternate function while requesting]
Acked-by: Luotao Fu <l.fu@pengutronix.de>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-08-12 11:27:55 +02:00
Gregory Bean
c34f16b70a gpio: sx150x: add Semtech I2C sx150x gpio expander driver
Add support for Semtech SX150-series I2C GPIO expanders.  Compatible
models include:

8 bits:  sx1508q
16 bits: sx1509q

Signed-off-by: Gregory Bean <gbean@codeaurora.org>
Cc: David Brownell <david-b@pacbell.net>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Trilok Soni <tsoni@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:09 -07:00
David Brownell
926b1e2ca3 drivers/gpio is platform-neutral
Update Kconfig and Makefile in drivers/gpio to discourage inappropriate
addition of platform-specific code.

[akpm@linux-foundation.org: fix tpyo]
Signed-by: David Brownell <dbrownell@users.sourceforge.net>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-06-29 15:29:32 -07:00
Randy Dunlap
e4be3cb72c gpio: rdc321x needs to select MFD_CORE
Fix rdc321x-southbridge build:  GPIO_RDC321X needs to select
MFD_CORE so that the core is built at the same (or higher)
tristate level.

rdc321x-southbridge.c:(.devinit.text+0x6103): undefined reference to `mfd_add_devices'
rdc321x-southbridge.c:(.devexit.text+0xe5f): undefined reference to `mfd_remove_devices'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc:	Florian Fainelli <florian@openwrt.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-05-28 01:37:48 +02:00
Rabin Vincent
d88b25be35 gpio: Add TC35892 GPIO driver
Add a GPIO driver to support the GPIOs on the TC35892 I/O Expander.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-05-28 01:37:43 +02:00
Ira W. Snyder
800e69fbd2 gpio: Add support for Janz VMOD-TTL Digital IO module
The Janz VMOD-TTL is a MODULbus daughterboard which fits onto any MODULbus
carrier board. It essentially consists of some various logic and a Zilog
Z8536 CIO Counter/Timer and Parallel IO Unit.

The board must be physically configured with jumpers to enable a user to
drive output signals. I am only interested in outputs, so I have made this
driver as simple as possible. It only supports a very minimal subset of the
features provided by the Z8536 chip.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-05-28 01:37:33 +02:00
Florian Fainelli
9956d02d6e gpio: Add support for RDC321x GPIO controller
This patch adds a new GPIO driver for the RDC321x SoC GPIO controller.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-05-28 01:37:29 +02:00
Alek Du
8081c84c9c gpio: add Penwell gpio support
Intel Penwell chip has two 96 pins GPIO blocks, which are very similiar as
Intel Langwell chip GPIO block, except for pin number difference. This
patch expends the original Langwell GPIO driver to support Penwell's.

Signed-off-by: Alek Du <alek.du@intel.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-27 09:12:42 -07:00
Marc Zyngier
a80a0bbee4 gpio: add interrupt handling capability to max732x
Most of the GPIO expanders supported by the max732x driver have interrupt
generation capability by reporting changes on input pins through an INT#
pin.  This patch implements the irq_chip functionnality (edge detection
only).

Signed-off-by: Marc Zyngier <maz@misterjones.org>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Jebediah Huang <jebediah.huang@gmail.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-27 09:12:41 -07:00
Randy Dunlap
860fb8c134 mfd: Fix lpc_sch related depends/selects, fix build error
LPC_SCH is selected by GPI_SCH and I2C_ISCH, even when PCI is not
enabled, but LPC_SCH depends on PCI, so make GPI_SCH and I2C_ISCH
also depend on PCI.

Those 2 selects also need to select what LPC_SCH selects,
since kconfig does not follow selects.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Denis Turischev <denis@compulab.co.il>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-03-07 22:17:38 +01:00
Denis Turischev
be9b06b2d8 gpio: add Intel SCH GPIO controller driver
Signed-off-by: Denis Turischev <denis@compulab.co.il>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-03-07 22:17:37 +01:00
Mark Brown
2955c30992 gpiolib: Add WM8994 GPIO support
The WM8994 has 11 GPIO lines.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-03-07 22:17:13 +01:00