Commit Graph

24942 Commits

Author SHA1 Message Date
Martin Fuzzey
a82b7b9c8b ARM: dts: Add device tree entry for onewire master on i.MX53
Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:47 +08:00
Martin Fuzzey
f1550a1ce7 ARM: i.MX53: Add clocks for i.mx53 onewire master.
Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:46 +08:00
Shawn Guo
96574a6dc6 ARM: imx: enable imx6q-cpufreq support
Update operating-points per hardware document and add support for
1 GHz and 1.2 GHz frequencies.

400 MHz, 800 MHz and 1 GHz should be supported by all i.MX6Q chips,
while 1.2 GHz support needs to know from OTP fuse bit.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:46 +08:00
Laurent Cans
1982d5b6c1 ARM: dts: Add apf51 basic support
Signed-off-by: Laurent Cans <laurent.cans@gmail.com>
Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:45 +08:00
Peter Chen
a5120e89e7 ARM i.MX6: change mxs usbphy clock usage
This mxs usbphy is only needs to be on after system boots
up, and software never needs to control it anymore.
Meanwhile, usbphy's parent needs to be notified if usb
is suspend or not. So we design below mxs usbphy usage:

- usbphy1_gate and usbphy2_gate:
Their parents are dummy clock, we only needs to enable
it after system boots up.
- usbphy1 and usbphy2
Usage reserved bit for this clock, in that case, the refcount
will be updated, but without hardware changing.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:45 +08:00
Fabio Estevam
d6b9c59194 ARM: dts: imx6q: Remove silicon version from SDMA firmware
Remove silicon version from SDMA firmware.

This makes it consistent with other i.MX SoCs firmware names.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:44 +08:00
Steffen Trumtrar
be3a568d77 ARM i.MX53: dts: add oftree for MBa53 baseboard
The MBa53 is a baseboard for the TQMA53 embedded module. This enables/adds only
supported devices, i.e. it is not feature complete, because of missing drivers
in mainline linux.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:44 +08:00
Sascha Hauer
b17d5169d5 ARM i.MX53: add dts for the TQ tqma53 module
The tqma53 is an embedded module that has some features on board (e.g. emmc),
but mostly just provides access to them on its interface.
Going along with the imx53.dtsi, the tqma53.dtsi specifies the existing
devices and their pinctrl for this module. All devices that are not on the
module are disabled by default and need to be enabled in a baseboard DT.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:44 +08:00
Steffen Trumtrar
11ab21e90a ARM: dts: imx53: pinctrl update
Add pinctrl for cspi, csi.
Add new pingroups for can1 and uart3.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:44 +08:00
Liu Ying
67eb7c0bc8 ARM i.MX51 babbage: Add keypad support
The keypad is on the accessory board of i.MX51 babbage
main board and is driven by Keypad Port(KPP) in SoC.
The keymap is the same to i.MX25 3stack platform as
the accessory board schematic tells that it is designed
in this way.

Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:43 +08:00
Liu Ying
6012555c24 ARM: dts: imx: Add imx51 KPP entry
1) Add KPP device node entry.
2) Add one KPP pinctrl entry.

Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:43 +08:00
Fabio Estevam
152fab67e4 ARM: dts: imx25-karo-tx25: Put status entry in the end
Just to keep consistency with other dts files, place 'status' entry as the last
one.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:43 +08:00
Fabio Estevam
860c06f6c0 ARM: mx25pdk: Add device tree support
Add basic device tree support for mx25pdk board.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:42 +08:00
Shawn Guo
be4ccfcec3 ARM: dts: imx: use nodes label in board dts
Following omap3-evm.dts way, it changes all imx dts files to use label
in board dts to refer to nodes defined by soc dtsi.  Thus, the board
dts files become easier to read and edit with the least indentation
levels.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:42 +08:00
Shawn Guo
8ba472357a ARM: dts: add missing imx dtb targets
Add missing imx dtb targets, so that make dtbs can cover all imx dtbs.
It's pretty useful for testing dts changes.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:42 +08:00
Fabio Estevam
9c9651cd74 ARM: boot: dts: Add an entry for imx27-pdk.dtb
Add an entry for imx27-pdk.dtb, so that it can be generated by default.

Also, add an entry into Documentation/devicetree/bindings/arm/fsl.txt.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:41 +08:00
Fabio Estevam
991eb5852b ARM: dts: imx27-3ds: Rename it to imx27-pdk
imx27-pdk is the name found on Freescale website, so use it instead of 3ds.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-10 23:25:41 +08:00
Shawn Guo
d441667c78 imx fixes for 3.8, take 4
- It fixes fec ptp clock pointer in device tree source.
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Merge tag 'imx-fixes-3.8-4' into imx/dt
2013-02-10 23:23:47 +08:00
Lee Jones
c3f78f0763 ARM: ux500: use real AB8500 IRQ numbers instead of virtual ones
Any devices wishing to use the AB8500's GPIO IRQs were forced to
request virtual IRQs from the gpio-ab8500 driver. Now that
responsibility has been passed back to the AB8500 core driver,
devices can request real IRQ numbers instead. This patch removes
any traces of the old virtual IRQ conversion handlers, which will
force any drivers requesting IRQs to use real IRQS.

Cc: arm@kernel.org
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-10 15:50:40 +01:00
Lee Jones
710a03e934 ARM: ux500: remove irq_base property from platform_data
AB8500 GPIO no longer handles its GPIO IRQs. Instead, the AB8500
core driver has taken back the responsibility. Prior to this
happening, the AB8500 GPIO driver provided a set of virtual IRQs
which were used as a pass-through. These virtual IRQs had a base
of MOP500_AB8500_VIR_GPIO_IRQ_BASE, which was passed though pdata.
We don't need to do this anymore, so we're pulling out the
property from the structure.

Cc: arm@kernel.org
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-10 15:49:43 +01:00
Olof Johansson
893db07f50 highbank fixes for 3.8
-Compile fix for !SMP
 -More cpu cluster id related fixes
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Merge tag 'highbank-fixes-for-3.8' of git://sources.calxeda.com/kernel/linux into fixes

From Rob Herring:
highbank fixes for 3.8

-Compile fix for !SMP
-More cpu cluster id related fixes

* tag 'highbank-fixes-for-3.8' of git://sources.calxeda.com/kernel/linux:
  ARM: highbank: mask cluster id from cpu_logical_map
  ARM: scu: mask cluster id from cpu_logical_map
  ARM: scu: add empty scu_enable for !CONFIG_SMP
2013-02-09 20:55:03 -08:00
Tony Lindgren
dad2d9e666 ARM: OMAP2+: Make sure files with omap initcalls include soc.h
Looks like there are few more places that I missed that can cause
compiler warnings. After grepping for omap initcall, all files
needing soc.h should now have it.

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09 20:26:31 -08:00
André Hentschel
59dc7a9cc2 ARM: OMAP2+: Include soc.h to drm.c to fix compiling
I needed this when compiling for pandaboard.

The reason this is needed is that we are now using
omap_initcalls to keep them multiplatform safe.

Signed-off-by: André Hentschel <nerv@dawncrow.de>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09 20:26:27 -08:00
Olof Johansson
dd8b5c8dac mxs device tree changes for 3.9
- Mostly cfa100xx related device tree source updates
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Merge tag 'mxs-dt-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt

From Shawn Guo:
mxs device tree changes for 3.9

 - Mostly cfa100xx related device tree source updates

* tag 'mxs-dt-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: mxs: dts: Add rotary encoder to the CFA-10049
  ARM: mxs: dts: Add gpio-keys for the rotary to the CFA-10049
  ARM: dts: mxs: Add the LCD to the 10049 board
  ARM: dts: mxs: Add muxing options for the third PWM
  ARM: dts: cfa10049: Change the SPI3 bus to spi-gpio
  ARM: mxs: dt: Add Crystalfontz CFA-10037 device tree support
  ARM: mxs: Enable touchscreen on m28evk
  ARM: dts: cfa10049: Add PCA9555 GPIO expander to the device tree
2013-02-09 18:29:33 -08:00
Olof Johansson
877cd95316 mxs soc changes for 3.9
- A couple of optimization on timer
  - Some updates on mxs_defconfig
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Merge tag 'mxs-soc-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc

From Shawn Guo:
mxs soc changes for 3.9

 - A couple of optimization on timer
 - Some updates on mxs_defconfig

* tag 'mxs-soc-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: mxs_defconfig: Select CONFIG_DEVTMPFS_MOUNT
  ARM: mxs: decrease mxs_clockevent_device.min_delta_ns to 2 clock cycles
  ARM: mxs: use apbx bus clock to drive the timers on timrotv2
  ARM: mxs: Update mxs_defconfig
2013-02-09 18:27:28 -08:00
Olof Johansson
f58cf70ed9 Merge branch 'tegra/t114' into next/soc
Add a couple of fixes sent via email (via Stephen/Hiroshi).

* tegra/t114:
  ARM: tegra: sort Kconfig selects for Tegra114
  ARM: tegra: enable ARCH_REQUIRE_GPIOLIB for Tegra114
  ARM: tegra: Fix build error w/ ARCH_TEGRA_114_SOC w/o ARCH_TEGRA_3x_SOC

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09 17:53:02 -08:00
Stephen Warren
1d7e5c2c81 ARM: tegra: sort Kconfig selects for Tegra114
The Kconfig options selected by ARCH_TEGRA_*_SOC were recently sorted.
Update the newly added ARCH_TEGRA_114_SOC's select statements to match.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09 17:52:07 -08:00
Stephen Warren
23c8c4b4e0 ARM: tegra: enable ARCH_REQUIRE_GPIOLIB for Tegra114
CONFIG_ARCH_TEGRA_114_SOC doesn't currently enable gpiolib, which causes
numerous build problems building a Tegra kernel with only Tegra114
enabled, and not Tegra20 or Tegra30. Enable ARCH_REQUIRE_GPIOLIB to
solve this. However, all Tegra will use gpiolib, so select this option
from ARCH_TEGRA rather than each individual ARCH_TEGRA_*_SOC, to
prevent this problem for any future chips.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09 17:52:03 -08:00
Olof Johansson
d2ffb918f7 ARM: tegra: Fix build error w/ ARCH_TEGRA_114_SOC w/o ARCH_TEGRA_3x_SOC
This patch fixes the build error when ARCH_TEGRA_114_SOC is enabled
and ARCH_TEGRA_3x_SOC is disabled.

This provides Tegra114 with its own tegra114_init_early() instead of
making use of tegra30_init_early() so that T114 build doesn't depend
on T3x anymore.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09 17:46:51 -08:00
Olof Johansson
93ce285503 Second round of DT updates for DaVinci.
This pull request adds support for I2C0 and watchdog timer
 for DA850 EVM booting using device tree. It also enables
 machine reboot when using device tree.
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Merge tag 'davinci-for-v3.9/dt-2' of git://gitorious.org/linux-davinci/linux-davinci into next/dt

From Sekhar Nori:
Second round of DT updates for DaVinci.

This pull request adds support for I2C0 and watchdog timer
for DA850 EVM booting using device tree. It also enables
machine reboot when using device tree.

* tag 'davinci-for-v3.9/dt-2' of git://gitorious.org/linux-davinci/linux-davinci:
  ARM: davinci: da850 DT: add support for machine reboot
  ARM: davinci: da850: add wdt DT node
  ARM: davinci: da850: add DT node for I2C0
2013-02-09 17:27:13 -08:00
Olof Johansson
13c5d51953 Update to DT files for AT91:
- adding the watchdog to Animeo IP board
 - some more DT support for at91rm9200 peripherals
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Merge tag 'at91-dt' of git://github.com/at91linux/linux-at91 into next/dt

From Nicolas Ferre:
Update to DT files for AT91:
- adding the watchdog to Animeo IP board
- some more DT support for at91rm9200 peripherals

* tag 'at91-dt' of git://github.com/at91linux/linux-at91:
  ARM: at91: add EMAC bindings to RM9200 DT
  ARM: at91: add SSC bindings to RM9200 DT
  ARM: at91: add MMC bindings to RM9200 DT
  ARM: at91: Animeo IP: enable watchdog support

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09 17:03:16 -08:00
Olof Johansson
78d9b8055b OMAP TWL updates from Peter Ujfalusi <peter.ujfalusi@ti.com>:
Update for audio support via omap-twl4030 and pwm updates in board level,
 and zoom-peripherals update to not request the TWL GPIO7.
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Merge tag 'omap-for-v3.9/twl-signed-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/boards

From Tony Lidgren:
OMAP TWL updates from Peter Ujfalusi <peter.ujfalusi@ti.com>:

Update for audio support via omap-twl4030 and pwm updates in board level,
and zoom-peripherals update to not request the TWL GPIO7.

* tag 'omap-for-v3.9/twl-signed-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Fix twl section warnings related to omap_twl4030_audio_init
  ARM: board-zoom: Do not request LCD panel enable GPIO from twl4030
  ARM: OMAP: omap3beagle: Use the pwm_leds driver to control the PMU_STAT led
  ARM: OMAP: board-4430sdp: Proper support for TWL6030 PWM LED/Backlight
  ARM: OMAP: sdp3430: Audio support via the common omap-twl4030 machine driver
  ARM: OMAP: zoom: Audio support via the common omap-twl4030 machine driver
  ARM: OMAP2+: twl-common: Allow boards to customize the twl4030 audio setup
  ARM: OMAP2+: twl-common: Add default twl4030 audio configuration
  ARM: OMAP: zoom: Zoom2 does not have extmute functionality
  ARM: OMAP: 3430sdp: Enable extmute functionality for audio
2013-02-09 16:55:44 -08:00
Olof Johansson
e2efc25ac2 Fourth round of Renesas ARM-based SoC changes for v3.9
Register ARM architected timer.
 
 This is preparatory work by Magnus Damm for SoC(s) that use
 the ARM architected timer.
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Merge tag 'renesas-soc4-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

From Simon Horman:
Fourth round of Renesas ARM-based SoC changes for v3.9

Register ARM architected timer.

This is preparatory work by Magnus Damm for SoC(s) that use
the ARM architected timer.

* tag 'renesas-soc4-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: Register ARM architected timer
2013-02-09 16:49:29 -08:00
Olof Johansson
2aecd7dd2b Little AT91 cleanup: only remove one deprecated board.
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Merge tag 'at91-cleanup' of git://github.com/at91linux/linux-at91 into next/cleanup

From Nicolas Ferre:
Little AT91 cleanup: only remove one deprecated board.

* tag 'at91-cleanup' of git://github.com/at91linux/linux-at91:
  ARM: at91: remove NEOCORE 926 board

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

Modify/remove conflict in arch/arm/mach-at91/board-neocore926.c
2013-02-09 16:41:46 -08:00
Will Deacon
ab2a724a2e ARM: integrator: ensure ap_syscon_base is initialised when !CONFIG_MMU
When running on Integrator/AP using atags, ap_syscon_base is initialised
in ->map_io, which isn't called for !MMU platforms.

Instead, initialise the pointer in ->machine_init, as we do when booting
with device-tree.

Cc: stable@vger.kernel.org
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09 16:28:47 -08:00
Kumar, Anil
19c7c0d81a ARM: davinci: da850 DT: add support for machine reboot
Update the da8xx_restart() function to support machine reboot
when booting using DT. Have the function search for the watchdog
platform device instead of always using "da8xx_wdt_device" which
is never registered in DT case.

While at it, also make da8xx_wdt_device static since there is no need
for it to be globally visible.

Tested machine reboot with both DT and non-DT boot on DA850 EVM.

Signed-off-by: Kumar, Anil <anilkumar.v@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2013-02-09 22:38:26 +05:30
Kumar, Anil
518f97dbb8 ARM: davinci: da850: add wdt DT node
Add da850 wdt DT node.
Add OF_DEV_AUXDATA for wdt driver to use wdt clock.

Signed-off-by: Kumar, Anil <anilkumar.v@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2013-02-09 22:38:26 +05:30
Vishwanathrao Badarkhe, Manish
01729ccf19 ARM: davinci: da850: add DT node for I2C0
Add I2C0 device tree and pin muxing information to da850-evm.
Also, add OF_DEV_AUXDATA for I2C0 controller driver in da850
board dt file to use I2C0 clock.
Verified i2c0 node gets created in sys class interface as
"/sys/class/i2c-dev/i2c-0/subsystem/i2c-0".

nsekhar@ti.com: tested using i2cdetect and i2cdump.

Signed-off-by: Vishwanathrao Badarkhe, Manish <manishv.b@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2013-02-09 22:37:43 +05:30
Daniel Lezcano
748f117721 davinci: cpuidle - remove useless initialization
The device->state_count is initialized in the cpuidle_register_device
function.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2013-02-08 18:31:16 -05:00
Daniel Lezcano
36ce8d4f5f davinci: cpuidle - remove the ops
With one function handling the idle state and a single variable,
the usage of the davinci_ops is overkill.

This patch removes these ops and simplify the code.

Furthermore, the 'driver_data' field is no longer used, we have
1 of the 3 remaining user of this field removed.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2013-02-08 18:31:16 -05:00
Daniel Lezcano
8d60143a23 davinci: cpuidle - move code to prevent forward declaration
The patch is mindless, it just moves the idle function below in the file
in order to prevent forward declaration in the next patch.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2013-02-08 18:31:16 -05:00
Daniel Lezcano
5af4a21c6e Replace the flag by a simple global boolean in the cpuidle.c.
That will allow to cleanup the rest of the code right after,
because the ops won't make sense.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2013-02-08 18:31:16 -05:00
Alexey Galakhov
f0cdbdd6d8 ARM: S5PV210: Fix early uart output in fifo mode
Enabling UART FIFO in bootloader caused the kernel infinite
loop on S5PV210 due to uninitialized fifo_max and fifo_mask global
variables. This patch adds the correct initialization.

Signed-off-by: Alexey Galakhov <agalakhov@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-08 13:44:43 -08:00
Alexander Shiyan
1a4c2a1974 ARM: S3C24XX: Fix compile breakage for SMDK2410
Symbol S3C_DEV_USB_HOST should be defined to avoid this problem.

  LINK    vmlinux
  LD      vmlinux.o
  MODPOST vmlinux.o
WARNING: modpost: Found 2 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
  GEN     .version
  CHK     include/generated/compile.h
  UPD     include/generated/compile.h
  CC      init/version.o
  LD      init/built-in.o
arch/arm/mach-s3c24xx/built-in.o:(.init.data+0x660): undefined reference to `s3c_device_ohci'
make: *** [vmlinux] Error 1

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-08 13:41:36 -08:00
Linus Torvalds
3992313488 Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM fixes from Russell King:
 "I was going to hold these off until v3.8 was out, and send them with a
  stable tag, but as everyone else is pushing much bigger fixes which
  Linus is accepting, let's save people from the hastle of having to
  patch v3.8 back into working or use a stable kernel.

  Looking at the diffstat, this really is high value for its size; this
  is miniscule compared to how the -rc6 to tip diffstat currently looks.

  So, four patches in this set:
   - Punit Agrawal reports that the kernel no longer boots on MPCore due
     to a new assumption made in the GIC code which isn't true of
     earlier GIC designs.  This is the biggest change in this set.
   - Punit's boot log also revealed a bunch of WARN_ON() dumps caused by
     the DT-ification of the GIC support without fixing up non-DT
     Realview - which now sees a greater number of interrupts than it
     did before.
   - A fix for the DMA coherent code from Marek which uses the wrong
     check for atomic allocations; this can result in spinlock lockups
     or other nasty effects.
   - A fix from Will, which will affect all Android based platforms if
     not applied (which use the 2G:2G VM split) - this causes
     particularly 'make' to misbehave unless this bug is fixed."

* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: 7641/1: memory: fix broken mmap by ensuring TASK_UNMAPPED_BASE is aligned
  ARM: DMA mapping: fix bad atomic test
  ARM: realview: ensure that we have sufficient IRQs available
  ARM: GIC: fix GIC cpumask initialization
2013-02-09 08:01:18 +11:00
Heiko Stuebner
083c8e28e2 ARM: S3C24XX: add missing platform_device.h include for osiris
The missing include led to a implcit declaration warning:

In file included from arch/arm/mach-s3c24xx/mach-osiris.c:34:0:
include/linux/platform_data/i2c-s3c2410.h:37:26: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:37:26: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:66:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:67:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:68:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:69:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:70:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:71:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:72:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:73:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-08 11:13:16 -08:00
Heiko Stuebner
7eae354fcd ARM: S3C24XX: let S3C2412_PM select S3C2412_PM_SLEEP
The code to enter sleep is used by both the s3c2412 and s3c2416 and
was thus factored out into an extra config option.

But it seems it was forgotten to add the appropriate select to the
s3c2412 pm option, resulting in breakage when only compiling s3c2412
support.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-08 11:13:15 -08:00
Paul Walmsley
b5596a8941 Merge branch 'clock_misc_devel_a_3.9', remote-tracking branch 'remotes/pinchart/omap3isp/clock' into clock_devel_a_3.9 2013-02-08 12:00:39 -07:00
Rajendra Nayak
d0758237ee ARM: OMAP4: clock data: Add missing clkdm association for dpll_usb
dpll_usb needs the clkdm association so the clkdm can be
turned on before a relock. All other dplls for omap4 belong
to the ALWON (always on) domain.

The association was present as part of the older data file
(clock44xx_data.c) but looks like got accidently dropped with
the common clk convertion.

More details of the patch which fixed this up in the older
data file can be dound here..
http://www.spinics.net/lists/linux-omap/msg63076.html

Adding the .clkdm_name as part of the clk_hw_omap struct also
means a new .init needs to be part of the clk_ops for dpll_usb
to initialise the clkdm.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 11:47:24 -07:00
Santosh Shilimkar
cd19010c03 ARM: OMAP2+: PM: Fix the dt return condition in pm_late_init()
Commit 1416408d {ARM: OMAP2+: PM: share some suspend-related functions
across OMAP2, 3, 4} moved suspend code to common place but now with
that change, for DT build on OMAP4, suspend hooks are not getting
registered which results in no suspend support.

The DT return condition is limited to PMIC and smartreflex
initialization and hence restrict it so that suspend ops gets
registered.

Cc: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 09:43:04 -07:00
Nicolas Ferre
b65adbec2d ARM: at91: remove NEOCORE 926 board
The board is not available anymore and it seems its use
is very limited.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alexandre Belloni <abelloni@adeneo-embedded.com>
2013-02-08 16:25:20 +01:00
Hebbar Gururaja
169c82a294 ARM: OMAP2: am33xx-hwmod: Fix "register offset NULL check" bug
am33xx_cm_wait_module_ready() checks if register offset is NULL.

int am33xx_cm_wait_module_ready(u16 inst, s16 cdoffs, u16 clkctrl_offs)
{
	int i = 0;

	if (!clkctrl_offs)
		return 0;

In case of AM33xx, CLKCTRL register offset for different clock domains
are not uniformly placed. An example of this would be the RTC clock
domain with CLKCTRL offset at 0x00.
In such cases the module ready check is skipped which leads to a data
abort during boot-up when RTC registers is accessed.

Remove this check here to avoid checking module readiness for modules
with clkctrl register offset at 0x00.

Koen Kooi notes that this patch fixes a crash on boot with
CONFIG_RTC_DRV_OMAP=y with v3.8-rc5.

Signed-off-by: Hebbar Gururaja <gururaja.hebbar@ti.com>
Cc: Koen Kooi <koen@dominion.thruhere.net>
[paul@pwsan.com: noted Koen's test in the patch description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 08:21:13 -07:00
Hebbar Gururaja
092bda6277 ARM: OMAP2+: AM33xx: hwmod: add missing HWMOD_NO_IDLEST flags
struct omap_hwmod records belonging to wkup m3 domain is missing
HWMOD_NO_IDLEST flags; add them.

This patch is a prerequisite for a subsequent patch, 'ARM: OMAP2:
am33xx-hwmod: Fix "register offset NULL check" bug'.  That patch would
otherwise attempt to read from reserved bits.

Signed-off-by: Hebbar Gururaja <gururaja.hebbar@ti.com>
[paul@pwsan.com: add some more explanation in the patch description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 08:21:10 -07:00
Philip Avinash
9652d19afc ARM: OMAP: AM33xx hwmod: Add parent-child relationship for PWM subsystem
As part of PWM subsystem integration, PWM subsystem are sharing
resources like clock across submodules (ECAP, EQEP & EHRPWM). To handle
resource sharing & IP integration  rework on parent child relation
between PWMSS and ECAP, EQEP & EHRPWM child devices to support runtime PM.

Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 08:10:36 -07:00
Philip Avinash
bee76659e2 ARM: OMAP: AM33xx hwmod: Corrects PWM subsystem HWMOD entries
EQEP IP block integration data is not present in HWMOD data. Also
address ranges specified for EACP & EHRPWM are not correct & HWMOD
flags of ADDR_TYPE_RT are added to PWM subsystem register address
space. This patch:
1. Corrects register address mapping for ECAP & EHRPWM
2. Removes  HWMOD flags in PWM submodule register address space.
3. Adds EQEP HWMOD entries.

Signed-off-by: Philip Avinash <avinashphilip@ti.com>
[paul@pwsan.com: tweaked patch description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 07:56:48 -07:00
Vaibhav Bedia
f6575c90f6 ARM: DTS: AM33XX: Add nodes for OCMC RAM and WKUP-M3
Since AM33XX supports only DT-boot, this is needed
for the appropriate device nodes to be created.

Note: OCMC RAM is part of the PER power domain and supports
retention. The assembly code for low power entry/exit will
run from OCMC RAM. To ensure that the OMAP PM code does not
attempt to disable the clock to OCMC RAM as part of the
suspend process add the no_idle_on_suspend flag.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 07:26:15 -07:00
Vaibhav Bedia
3c06f1b8c3 ARM: OMAP2+: AM33XX: Update the hardreset API
WKUP-M3 has a reset status bit (RM_WKUP_STST.WKUP_M3_LRST)
Update the hardreset API to ensure that the reset line properly
deasserted.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 07:25:28 -07:00
Vaibhav Bedia
3077fe69d7 ARM: OMAP2+: AM33XX: hwmod: Update the WKUP-M3 hwmod with reset status bit
WKUP-M3 has a reset status bit (RM_WKUP_STST.WKUP_M3_LRST)
Update the WKUP-M3 hwmod data to reflect the same.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 07:25:16 -07:00
Vaibhav Bedia
f13966608f ARM: OMAP2+: AM33XX: hwmod: Fixup cpgmac0 hwmod entry
The current HWMOD code expects the memory region with
the IP's SYSCONFIG register to be marked with ADDR_TYPE_RT
flag.

CPGMAC0 hwmod entry specifies two memory regions and marks
both with the flag ADDR_TYPE_RT although only the 2nd region
has the SYSCONFIG register. This leads to the HWMOD code
accessing the wrong memory address for idle and standby
operations. Fix this by removing the ADDR_TYPE_RT flag from
the 1st memory region in CPGMAC0 hwmod entry.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 07:25:04 -07:00
Vaibhav Bedia
0bfbbded8d ARM: OMAP2+: AM33XX: hwmod: Update TPTC0 hwmod with the right flags
Third Party Transfer Controller (TPTC0) needs to be idled and
put to standby under SW control. Add the appropriate flags in
the TPTC0 hwmod entry.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 07:24:52 -07:00
Vaibhav Bedia
ca903b6f98 ARM: OMAP2+: AM33XX: hwmod: Register OCMC RAM hwmod
OCMC RAM lies in the PER power domain and this memory
support retention.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 07:24:42 -07:00
Vaibhav Bedia
1a7cb4d9c3 ARM: OMAP2+: AM33XX: CM/PRM: Use __ASSEMBLER__ macros in header files
This is necessary to ensure that macros declared here can
be reused from assembly files.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 07:24:30 -07:00
Vaibhav Bedia
941a98ae29 ARM: OMAP2+: AM33XX: CM: Get rid of unnecessary header inclusions
cm33xx.h unnecessarily includes a lot of header files.
Get rid of these and directly include "iomap.h" which
is needed to keep things compiling.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 07:12:15 -07:00
Linus Walleij
7ac63ac61d Merge branch 'allwinner-sunxi' into devel 2013-02-08 14:26:49 +01:00
Will Deacon
79d1f5c9ac ARM: 7641/1: memory: fix broken mmap by ensuring TASK_UNMAPPED_BASE is aligned
We have received multiple reports of mmap failures when running with a
2:2 vm split. These manifest as either -EINVAL with a non page-aligned
address (ending 0xaaa) or a SEGV, depending on the application. The
issue is commonly observed in children of make, which appears to use
bottom-up mmap (assumedly because it changes the stack rlimit).

Further investigation reveals that this regression was triggered by
394ef6403a ("mm: use vm_unmapped_area() on arm architecture"), whereby
TASK_UNMAPPED_BASE is no longer page-aligned for bottom-up mmap, causing
get_unmapped_area to choke on misaligned addressed.

This patch fixes the problem by defining TASK_UNMAPPED_BASE in terms of
TASK_SIZE and explicitly aligns the result to 16M, matching the other
end of the heap.

Acked-by: Nicolas Pitre <nico@linaro.org>
Reported-by: Steve Capper <steve.capper@arm.com>
Reported-by: Jean-Francois Moine <moinejf@free.fr>
Reported-by: Christoffer Dall <cdall@cs.columbia.edu>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-02-08 12:21:07 +00:00
Russell King
633dc92a28 ARM: DMA mapping: fix bad atomic test
Realview fails to boot with this warning:
BUG: spinlock lockup suspected on CPU#0, init/1
 lock: 0xcf8bde10, .magic: dead4ead, .owner: init/1, .owner_cpu: 0
Backtrace:
[<c00185d8>] (dump_backtrace+0x0/0x10c) from [<c03294e8>] (dump_stack+0x18/0x1c) r6:cf8bde10 r5:cf83d1c0 r4:cf8bde10 r3:cf83d1c0
[<c03294d0>] (dump_stack+0x0/0x1c) from [<c018926c>] (spin_dump+0x84/0x98)
[<c01891e8>] (spin_dump+0x0/0x98) from [<c0189460>] (do_raw_spin_lock+0x100/0x198)
[<c0189360>] (do_raw_spin_lock+0x0/0x198) from [<c032cbac>] (_raw_spin_lock+0x3c/0x44)
[<c032cb70>] (_raw_spin_lock+0x0/0x44) from [<c01c9224>] (pl011_console_write+0xe8/0x11c)
[<c01c913c>] (pl011_console_write+0x0/0x11c) from [<c002aea8>] (call_console_drivers.clone.7+0xdc/0x104)
[<c002adcc>] (call_console_drivers.clone.7+0x0/0x104) from [<c002b320>] (console_unlock+0x2e8/0x454)
[<c002b038>] (console_unlock+0x0/0x454) from [<c002b8b4>] (vprintk_emit+0x2d8/0x594)
[<c002b5dc>] (vprintk_emit+0x0/0x594) from [<c0329718>] (printk+0x3c/0x44)
[<c03296dc>] (printk+0x0/0x44) from [<c002929c>] (warn_slowpath_common+0x28/0x6c)
[<c0029274>] (warn_slowpath_common+0x0/0x6c) from [<c0029304>] (warn_slowpath_null+0x24/0x2c)
[<c00292e0>] (warn_slowpath_null+0x0/0x2c) from [<c0070ab0>] (lockdep_trace_alloc+0xd8/0xf0)
[<c00709d8>] (lockdep_trace_alloc+0x0/0xf0) from [<c00c0850>] (kmem_cache_alloc+0x24/0x11c)
[<c00c082c>] (kmem_cache_alloc+0x0/0x11c) from [<c00bb044>] (__get_vm_area_node.clone.24+0x7c/0x16c)
[<c00bafc8>] (__get_vm_area_node.clone.24+0x0/0x16c) from [<c00bb7b8>] (get_vm_area_caller+0x48/0x54)
[<c00bb770>] (get_vm_area_caller+0x0/0x54) from [<c0020064>] (__alloc_remap_buffer.clone.15+0x38/0xb8)
[<c002002c>] (__alloc_remap_buffer.clone.15+0x0/0xb8) from [<c0020244>] (__dma_alloc+0x160/0x2c8)
[<c00200e4>] (__dma_alloc+0x0/0x2c8) from [<c00204d8>] (arm_dma_alloc+0x88/0xa0)[<c0020450>] (arm_dma_alloc+0x0/0xa0) from [<c00beb00>] (dma_pool_alloc+0xcc/0x1a8)
[<c00bea34>] (dma_pool_alloc+0x0/0x1a8) from [<c01a9d14>] (pl08x_fill_llis_for_desc+0x28/0x568)
[<c01a9cec>] (pl08x_fill_llis_for_desc+0x0/0x568) from [<c01aab8c>] (pl08x_prep_slave_sg+0x258/0x3b0)
[<c01aa934>] (pl08x_prep_slave_sg+0x0/0x3b0) from [<c01c9f74>] (pl011_dma_tx_refill+0x140/0x288)
[<c01c9e34>] (pl011_dma_tx_refill+0x0/0x288) from [<c01ca748>] (pl011_start_tx+0xe4/0x120)
[<c01ca664>] (pl011_start_tx+0x0/0x120) from [<c01c54a4>] (__uart_start+0x48/0x4c)
[<c01c545c>] (__uart_start+0x0/0x4c) from [<c01c632c>] (uart_start+0x2c/0x3c)
[<c01c6300>] (uart_start+0x0/0x3c) from [<c01c795c>] (uart_write+0xcc/0xf4)
[<c01c7890>] (uart_write+0x0/0xf4) from [<c01b0384>] (n_tty_write+0x1c0/0x3e4)
[<c01b01c4>] (n_tty_write+0x0/0x3e4) from [<c01acfe8>] (tty_write+0x144/0x240)
[<c01acea4>] (tty_write+0x0/0x240) from [<c01ad17c>] (redirected_tty_write+0x98/0xac)
[<c01ad0e4>] (redirected_tty_write+0x0/0xac) from [<c00c371c>] (vfs_write+0xbc/0x150)
[<c00c3660>] (vfs_write+0x0/0x150) from [<c00c39c0>] (sys_write+0x4c/0x78)
[<c00c3974>] (sys_write+0x0/0x78) from [<c0014460>] (ret_fast_syscall+0x0/0x3c)

This happens because the DMA allocation code is not respecting atomic
allocations correctly.

GFP flags should not be tested for GFP_ATOMIC to determine if an
atomic allocation is being requested.  GFP_ATOMIC is not a flag but
a value.  The GFP bitmask flags are all prefixed with __GFP_.

The rest of the kernel tests for __GFP_WAIT not being set to indicate
an atomic allocation.  We need to do the same.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-02-08 10:25:23 +00:00
Russell King
e210101dbb ARM: realview: ensure that we have sufficient IRQs available
Realview EB with a rev B MPcore tile results in lots of warnings at
boot because it can't allocate enough IRQs.  Fix this by increasing
the number of available IRQs.

WARNING: at /home/rmk/git/linux-rmk/arch/arm/common/gic.c:757 gic_init_bases+0x12c/0x2ec()
Cannot allocate irq_descs @ IRQ96, assuming pre-allocated
Modules linked in:
Backtrace:
[<c00185d8>] (dump_backtrace+0x0/0x10c) from [<c03294e8>] (dump_stack+0x18/0x1c) r6:000002f5 r5:c042c62c r4:c044ff40 r3:c045f240
[<c03294d0>] (dump_stack+0x0/0x1c) from [<c00292c8>] (warn_slowpath_common+0x54/0x6c)
[<c0029274>] (warn_slowpath_common+0x0/0x6c) from [<c0029384>] (warn_slowpath_fmt+0x38/0x40)
[<c002934c>] (warn_slowpath_fmt+0x0/0x40) from [<c042c62c>] (gic_init_bases+0x12c/0x2ec)
[<c042c500>] (gic_init_bases+0x0/0x2ec) from [<c042cdc8>] (gic_init_irq+0x8c/0xd8)
[<c042cd3c>] (gic_init_irq+0x0/0xd8) from [<c042827c>] (init_IRQ+0x1c/0x24)
[<c0428260>] (init_IRQ+0x0/0x24) from [<c04256c8>] (start_kernel+0x1a4/0x300)
[<c0425524>] (start_kernel+0x0/0x300) from [<70008070>] (0x70008070)
---[ end trace 1b75b31a2719ed1c ]---
------------[ cut here ]------------
WARNING: at /home/rmk/git/linux-rmk/kernel/irq/irqdomain.c:234 irq_domain_add_legacy+0x80/0x140()
Modules linked in:
Backtrace:
[<c00185d8>] (dump_backtrace+0x0/0x10c) from [<c03294e8>] (dump_stack+0x18/0x1c) r6:000000ea r5:c0081a38 r4:00000000 r3:c045f240
[<c03294d0>] (dump_stack+0x0/0x1c) from [<c00292c8>] (warn_slowpath_common+0x54/0x6c)
[<c0029274>] (warn_slowpath_common+0x0/0x6c) from [<c0029304>] (warn_slowpath_null+0x24/0x2c)
[<c00292e0>] (warn_slowpath_null+0x0/0x2c) from [<c0081a38>] (irq_domain_add_legacy+0x80/0x140)
[<c00819b8>] (irq_domain_add_legacy+0x0/0x140) from [<c042c64c>] (gic_init_bases+0x14c/0x2ec)
[<c042c500>] (gic_init_bases+0x0/0x2ec) from [<c042cdc8>] (gic_init_irq+0x8c/0xd8)
[<c042cd3c>] (gic_init_irq+0x0/0xd8) from [<c042827c>] (init_IRQ+0x1c/0x24)
[<c0428260>] (init_IRQ+0x0/0x24) from [<c04256c8>] (start_kernel+0x1a4/0x300)
[<c0425524>] (start_kernel+0x0/0x300) from [<70008070>] (0x70008070)
---[ end trace 1b75b31a2719ed1d ]---
------------[ cut here ]------------
WARNING: at /home/rmk/git/linux-rmk/arch/arm/common/gic.c:762 gic_init_bases+0x170/0x2ec()
Modules linked in:
Backtrace:
[<c00185d8>] (dump_backtrace+0x0/0x10c) from [<c03294e8>] (dump_stack+0x18/0x1c) r6:000002fa r5:c042c670 r4:00000000 r3:c045f240
[<c03294d0>] (dump_stack+0x0/0x1c) from [<c00292c8>] (warn_slowpath_common+0x54/0x6c)
[<c0029274>] (warn_slowpath_common+0x0/0x6c) from [<c0029304>] (warn_slowpath_null+0x24/0x2c)
[<c00292e0>] (warn_slowpath_null+0x0/0x2c) from [<c042c670>] (gic_init_bases+0x170/0x2ec)
[<c042c500>] (gic_init_bases+0x0/0x2ec) from [<c042cdc8>] (gic_init_irq+0x8c/0xd8)
[<c042cd3c>] (gic_init_irq+0x0/0xd8) from [<c042827c>] (init_IRQ+0x1c/0x24)
[<c0428260>] (init_IRQ+0x0/0x24) from [<c04256c8>] (start_kernel+0x1a4/0x300)
[<c0425524>] (start_kernel+0x0/0x300) from [<70008070>] (0x70008070)
---[ end trace 1b75b31a2719ed1e ]---

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-02-08 10:23:32 +00:00
Russell King
2bb3135166 ARM: GIC: fix GIC cpumask initialization
Punit Agrawal reports:
> I was trying to boot 3.8-rc5 on Realview EB 11MPCore using
> realview-smp_defconfig as a starting point but the kernel failed to
> progress past the log below (config attached).
>
> Pawel suggested I try reverting 384a290283 - "ARM: gic: use a private
> mapping for CPU target interfaces" that you've authored. With this
> commit reverted the kernel boots.
>
> I am not quite sure why the commit breaks 11MPCore but Pawel (cc'd)
> might be able to shed light on that.

Some early GIC implementations return zero for the first distributor
CPU routing register.  This means we can't rely on that telling us
which CPU interface we're connected to.  We know that these platforms
implement PPIs for IRQs 29-31 - but we shouldn't assume that these
will always be populated.

So, instead, scan for a non-zero CPU routing register in the first
32 IRQs and use that as our CPU mask.

Reported-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-02-08 10:17:22 +00:00
Luciano Coelho
6cc9efed70 wlcore: move wl12xx_platform_data up and make it truly optional
The platform data is used not only by wlcore-based drivers, but also
by wl1251.  Move it up in the directory hierarchy to reflect this.

Additionally, make it truly optional.  At the moment, disabling
platform data while wl1251_sdio or wlcore_sdio are enabled doesn't
work, but it will be necessary when device tree support is
implemented.

Signed-off-by: Luciano Coelho <coelho@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
2013-02-08 10:05:02 +02:00
Josh Wu
c18c6b29e0 ARM: at91: at91sam9n12: add DT parameters to enable PMECC
Default ecc correctable setting is 2bits in 512 bytes.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-02-07 16:45:06 +01:00
Josh Wu
5314bc2de9 ARM: at91: at91sam9x5: add DT parameters to enable PMECC
Default ecc correctable setting is 2bits in 512 bytes.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-02-07 16:45:05 +01:00
Joachim Eastwood
ce3b2630fd ARM: at91: add EMAC bindings to RM9200 DT
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-02-07 16:40:09 +01:00
Joachim Eastwood
883a07f69c ARM: at91: add SSC bindings to RM9200 DT
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-02-07 16:40:08 +01:00
Joachim Eastwood
4e4c963ea9 ARM: at91: add MMC bindings to RM9200 DT
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-02-07 16:40:08 +01:00
Jean-Christophe PLAGNIOL-VILLARD
a5618928d5 ARM: at91: Animeo IP: enable watchdog support
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Sylvain FARGIER <sylvain.fargier@somfy.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-02-07 16:40:07 +01:00
Milo(Woogyom) Kim
df4094d24e leds-lp5521/5523: use new lp55xx common header
The LP55xx common driver provides a new header, leds-lp55xx.h.
 This driver enables removing duplicate code for both drivers and
 making coherent driver structure.
 LP5521 and LP5523/55231 platform data were merged into one common file.
 Therefore, the LP5521/5523 platform code need to be fixed.

 This patch has been already acked.

 For ux500: https://lkml.org/lkml/2012/10/11/417
 Acked-by: Linus Walleij <linus.walleij@linaro.org>

 For omap: https://lkml.org/lkml/2012/10/11/334
 Acked-by: Tony Lindgren <tony@atomide.com>

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
2013-02-06 15:59:30 -08:00
Rajendra Nayak
6048009818 ARM: OMAP4: PM: Warn users about usage of older bootloaders
OMAP4 CHIP level PM works only with newer bootloaders. The
dependency on the bootloader comes from the fact that the
kernel is missing reset and initialization code for some
devices.

While the right thing to do is to add reset and init code in
the kernel, for some co-processor IP blocks like DSP and IVA
it means downloading firmware into each one of them to execute
idle instructions.

While a feasible solution is worked upon on how such IP blocks
can be better handled in the kernel, in the interim, to avoid
any further frustration to users testing PM on OMAP4 and finding
it broken, warn them about the bootloader being a possible
cause.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: R Sricharan <r.sricharan@ti.com>
[paul@pwsan.com: tweaked warning messages and comments slightly]
Acked-by: Kevin Hilman <khilman@linaro.org>
[paul@pwsan.com: fixed checkpatch warning]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-06 16:38:32 -07:00
Paul Walmsley
814a18a5d0 ARM: OMAP AM3517/05: hwmod data: block WFI when EMAC active
According to Mark Greer, on OMAP AM3517/3505 chips, the EMAC is unable
to wake the ARM up from WFI:

    http://www.spinics.net/lists/arm-kernel/msg174734.html

Further troubleshooting was unable to narrow the problem down.  So we
don't have much choice other than to block WFI when the EMAC is active
with the HWMOD_BLOCK_WFI flag.

Based on Mark's original patch.  We're removing the omap_device-based
pm_lats code, so a different approach was needed.

This third version contains some corrections thanks to Mark's review.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Mark A. Greer <mgreer@animalcreek.com>
Acked-by: Mark A. Greer <mgreer@animalcreek.com>
2013-02-06 13:48:56 -07:00
Paul Walmsley
1e3d8fe771 ARM: OMAP2420: hwmod data/PM: use hwmod to block WFI when I2C active
Use the HWMOD_BLOCK_WFI flag in the hwmod data to prevent the MPU from
entering WFI when the I2C devices are active.  No idea why this is needed;
this could certainly bear further investigation if anyone is interested.
The objective here is to remove some custom code from the OMAP24xx PM
code.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
2013-02-06 13:48:14 -07:00
Paul Walmsley
db27c0c0d0 ARM: OMAP2+: hwmod: add support for blocking WFI when a device is active
Apparently, on some OMAPs, the MPU can't be allowed to enter WFI while
certain peripherals are active.  It's not clear why, and it's likely
that there is simply some other bug in the driver or integration code.
But since the likelihood that anyone will have the time to track these
problems down in the future seems quite small, we'll provide a
flag, HWMOD_BLOCK_WFI, to mark these issues in the hwmod data.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-06 13:48:14 -07:00
Paul Walmsley
088e8806c4 ARM: OMAP2xxx: PM: enter WFI via inline asm if CORE stays active
There shouldn't be any need to jump to SRAM code if the OMAP CORE
clockdomain (and consequently the SDRAM controller and CORE PLL) stays
active during MPU WFI.  The SRAM code should only be needed when the RAM
enters self-refresh.  So in the case where CORE stays active, just call
WFI directly from the mach-omap2/pm24xx.c code.  This removes some
unnecessary SRAM code.

This second version replaces the inline WFI with the corresponding
coprocessor register call, using tlbflush.h as an example.  This is
because the assembler doesn't recognize WFI as a valid ARMv6
instruction.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
2013-02-06 13:48:14 -07:00
Kishon Vijay Abraham I
51482be9dc ARM: OMAP: USB: Add phy binding information
This is w.r.t the changes in PHY library to support adding and getting
multiple PHYs of the same type. In the new design, the
binding information between the PHY and the USB controller should be
specified in the platform specific initialization code. So it's been
done here for OMAP platforms.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-02-06 11:40:14 -08:00
Kishon Vijay Abraham I
fa1dfe4abe ARM: OMAP2: MUSB: Specify omap4 has mailbox
Added has_mailbox to the musb platform data to specify that omap uses
an external mailbox (in control module) to communicate with the musb
core during device connect and disconnect.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-02-06 11:40:13 -08:00
Kishon Vijay Abraham I
36273356b2 ARM: OMAP: devices: create device for usb part of control module
A seperate driver has been added to handle the usb part of control
module. A device for the above driver is created here, using the register
address information to be used by the driver for powering on the PHY and
for writing to the mailbox.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-02-06 11:40:13 -08:00
Kishon Vijay Abraham I
5b9479e9f1 ARM: OMAP4: remove control module address space from PHY and OTG
Now that we have a separate driver for the control module,
stop populating the control module device data in other modules
(PHY and OTG) device info.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-02-06 11:39:58 -08:00
Hideki EIRAKU
f671e0224a ARM: mach-shmobile: r8a7740: Add IPMMU device
This patch adds an IPMMU device and notifies the IPMMU driver which
devices are connected via the IPMMU module.  All devices connected to the main
memory bus via the IPMMU module MUST be registered when SHMOBILE_IPMMU and
SHMOBILE_IOMMU are enabled because physical address cannot be used
while the IPMMU module's MMU function is enabled.

Signed-off-by: Hideki EIRAKU <hdk@igel.co.jp>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
2013-02-06 10:59:45 +01:00
Hideki EIRAKU
9a27dee73f ARM: mach-shmobile: sh73a0: Add IPMMU device
This patch adds an IPMMU device and notifies the IPMMU driver which
devices are connected via the IPMMU module.  All devices connected to the main
memory bus via the IPMMU module MUST be registered when SHMOBILE_IPMMU and
SHMOBILE_IOMMU are enabled because physical address cannot be used
while the IPMMU module's MMU function is enabled.

Signed-off-by: Hideki EIRAKU <hdk@igel.co.jp>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
2013-02-06 10:59:31 +01:00
Hideki EIRAKU
3cfb8439e4 ARM: mach-shmobile: sh7372: Add IPMMU device
This patch adds an IPMMU device and notifies the IPMMU driver which
devices are connected via the IPMMU module.  All devices connected to the main
memory bus via the IPMMU module MUST be registered when SHMOBILE_IPMMU and
SHMOBILE_IOMMU are enabled because physical address cannot be used
while the IPMMU module's MMU function is enabled.

Signed-off-by: Hideki EIRAKU <hdk@igel.co.jp>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
2013-02-06 10:57:54 +01:00
Linus Walleij
e3e92a7be6 ARM: 7635/1: versatile: fix the PCI IRQ regression
The PCI IRQs were regressing due to two things:

- The PCI glue layer was using an hard-coded IRQ 27 offset.
  This caused the immediate regression.

- The SIC IRQ mask was inverted (i.e. a bit was indeed set to
  one for each valid IRQ on the SIC, but accidentally inverted
  in the init call). This has been around forever, but we have
  been saved by some other forgiving code that would reserve
  IRQ descriptors in this range, as the versatile is
  non-sparse.

When the IRQs were bumped up 32 steps so as to avoid using IRQ
zero and avoid touching the 16 legacy IRQs, things broke.

Introduce an explicit valid mask for the IRQs that are active
on the PIC/SIC, and pass that. Use the BIT() macro from
<linux/bitops.h> to make sure we hit the right bits, readily
defined in <mach/platform.h>.

Reported-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-02-06 09:33:09 +00:00
Barry Song
4e79a62d84 ARM: 7639/1: cache-l2x0: add missed dummy outer_resume entry
Commit 91c2ebb90b (ARM: 7114/1: cache-l2x0: add resume entry for l2
in secure mode) added resume entry for l2 in secure mode, but it missed
the dummy entry when CONFIG_CACHE_L2X0 is not set.

(Commit text edited by rmk.)

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-02-06 09:33:07 +00:00
Olof Johansson
cf55f672c3 Merge branch 'next/cleanup-s3c24xx-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
From Kukjin Kim:
This is 4th cleanup for Samsung S3C24XX stuff, and removes plat-s3c24xx
directory.

* 'next/cleanup-s3c24xx-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: S3C24XX: header mach/regs-mem.h local
  ARM: S3C24XX: header mach/regs-power.h local
  ARM: S3C24XX: header mach/regs-s3c2412-mem.h local
  ARM: S3C24XX: Remove plat-s3c24xx directory in arch/arm/
2013-02-05 17:01:56 -08:00
Olof Johansson
5060c8881a Merge branch 'next/irq-s3c24xx' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
From Kukjin Kim:
This is redoing the s3c24xx irqs in a generic way by using a declarative
approach.

* 'next/irq-s3c24xx' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: S3C24XX: transform s3c2443 subirqs into new structure
  ARM: S3C24XX: modify s3c2443 irq init to initialize all irqs
  ARM: S3C24XX: move s3c2443 irq code to irq.c
  ARM: S3C24XX: transform s3c2416 irqs into new structure
  ARM: S3C24XX: modify s3c2416 irq init to initialize all irqs
  ARM: S3C24XX: move s3c2416 irq init to common irq code
  ARM: S3C24XX: Modify s3c_irq_wake to use the hwirq property
  ARM: S3C24XX: Move irq syscore-ops to irq-pm
  ARM: S3C24XX: transform irq handling into a declarative form

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05 16:31:51 -08:00
Olof Johansson
7dcbeef792 Merge branch 'next/cleanup-s3c24xx' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
From Kukjin Kim:
Basically, this patch merges mach-s3c2410, mach-s3c2412 and mach-s3c2440
into mach-s3c24xx.

* 'next/cleanup-s3c24xx' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: S3C24XX: Move mach-s3c2440/ pll into mach-s3c24xx/
  ARM: S3C24XX: Move mach-s3c2440/ cpufreq driver into mach-s3c24xx/
  ARM: S3C24XX: Move mach-s3c2412/ cpufreq driver into mach-s3c24xx/
  ARM: S3C2412: Remove useless codes mach-s3c2412/gpio.c
  ARM: S3C24XX: Move mach-s3c2410/ pll into mach-s3c24xx/
  ARM: S3C24XX: Move mach-s3c2410/ cpufreq into mach-s3c24xx/
2013-02-05 16:14:35 -08:00
Olof Johansson
1087f4dbf3 imx soc changes for 3.9
- Sort out imx DEBUG_LL uart port selection
  - A couple of imx_v6_v7_defconfig updates
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Merge tag 'imx-soc-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc

From Shawn Guo:
imx soc changes for 3.9

 - Sort out imx DEBUG_LL uart port selection
 - A couple of imx_v6_v7_defconfig updates

* tag 'imx-soc-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: imx_v6_v7_defconfig: enable anatop regulator and snvs rtc
  ARM: imx: support DEBUG_LL uart port selection for all i.MX SoCs
  ARM: imx: use separated debug uart symbol for imx31 and imx35
  ARM: imx_v6_v7_defconfig: Select IPUV3 driver
2013-02-05 15:34:51 -08:00
Tony Lindgren
13fba955b5 ARM: OMAP2+: Fix warning for hwspinlock omap_postcore_initcall
Commit 816a65ef4 (ARM: OMAP2+: Limit omap initcalls to omap only on
multiplatform kernels) fixed up things for multiplatform booting
but failed to include soc.h causing a new warning:

arch/arm/mach-omap2/hwspinlock.c:60:1: warning: data definition has no type or storage class
arch/arm/mach-omap2/hwspinlock.c:60:1: warning: type defaults to 'int' in declaration of 'omap_postcore_initcall'
arch/arm/mach-omap2/hwspinlock.c:60:1: warning: parameter names (without types) in function declaration
arch/arm/mach-omap2/hwspinlock.c:31:122: warning: 'hwspinlocks_init' defined but not used

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05 14:10:43 -08:00
Olof Johansson
61cfd87360 Minimal updates to OMAP board-*.c files while converting
things to device tree based booting.
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Merge tag 'omap-for-v3.9/board-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/boards

From Tony Lindgren:
Minimal updates to OMAP board-*.c files while converting
things to device tree based booting.

* tag 'omap-for-v3.9/board-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: omap2plus_defconfig: enable omap1 rtc
  RX-51: Register twl4030-madc device
  RX-51: Add leds lp5523 names from Maemo 5 2.6.28 kernel
  ARM: OMAP2+: AM33XX: omap2plus_defconfig: Add support for few drivers
  ARM: OMAP1: nokia770: enable CBUS/Retu
  ARM: OMAP2+: omap2plus_defconfig: enable CMA allocator
  ARM: OMAP2+: omap2plus_defconfig: enable TFP410 chip support
  ARM: OMAP3: igep0020: simplify GPIO LEDs dependencies
  ARM: OMAP2+: craneboard: support the TPS65910 PMU
  ARM: OMAP2+: craneboard: support NAND device
  ARM: OMAP3: cm-t3517: add MMC support
  ARM: OMAP2+: Remove apollon board support
  + Linux 3.8-rc6

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05 14:06:25 -08:00
Olof Johansson
d37d79ed8a OMAP PM related updates via Paul Walmsley <paul@pwsan.com>:
Remove some dead OMAP clock and device integration code and data.
 Also, clean up the way that the OMAP device integration code blocks
 WFI/WFE to use a consistent mechanism, controlled by a data flag.
 
 Several OMAP2+ power management fixes, optimizations, and cleanup.
 This series is a prerequisite for the functional powerdomain
 conversion series.
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Merge tag 'omap-for-v3.9/pm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

From Tony Lindgren:
OMAP PM related updates via Paul Walmsley <paul@pwsan.com>:

Remove some dead OMAP clock and device integration code and data.
Also, clean up the way that the OMAP device integration code blocks
WFI/WFE to use a consistent mechanism, controlled by a data flag.

Several OMAP2+ power management fixes, optimizations, and cleanup.
This series is a prerequisite for the functional powerdomain
conversion series.

* tag 'omap-for-v3.9/pm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: powerdomain: fix whitespace, improve flag comments
  ARM: OMAP2+: clockdomain: convert existing atomic usecounts into spinlock-protected shorts/ints
  ARM: OMAP2+: clockdomain: work on wkdep/sleepdep functions
  ARM: OMAP2xxx: CM: remove autodep handling
  ARM: OMAP2+: powerdomain/clockdomain: add a per-powerdomain spinlock
  ARM: OMAP2+: PM/powerdomain: move omap_set_pwrdm_state() to powerdomain code
  ARM: OMAP2: PM/powerdomain: drop unnecessary pwrdm_wait_transition()
  ARM: OMAP2xxx: PM: clean up some crufty powerstate programming code
  ARM: OMAP2+: clockdomain: add pwrdm_state_switch() call to clkdm_sleep()
  ARM: OMAP2+: powerdomain: fix powerdomain trace integration
  ARM: OMAP4: MPUSS PM: remove unnecessary shim functions for powerdomain control
  ARM: OMAP3xxx: CPUIdle: optimize __omap3_enter_idle()
  ARM: OMAP2420: hwmod data/PM: use hwmod to block WFI when I2C active
  ARM: OMAP2+: hwmod: add support for blocking WFI when a device is active
  ARM: OMAP3xxx: CPUIdle: simplify the PER next-state code
  ARM: OMAP2xxx: powerdomain: core powerdomain missing logic retention states
  ARM: OMAP2xxx: clock data: clean up unused null clocks
  ARM: OMAP4: clock/hwmod data: remove MODULEMODE entries in mux + gate combos
  ARM: OMAP4: clock/hwmod data: start to remove some IP block control "clocks"
  ARM: OMAP2+: omap_device: remove obsolete pm_lats and early_device code
2013-02-05 14:05:11 -08:00
Olof Johansson
b6a03d0492 OMAP GPMC (General Purpose Memory Controller) changes to add
device tree bindings.
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Merge tag 'omap-for-v3.9/gpmc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/drivers

From Tony Lindgren:
OMAP GPMC (General Purpose Memory Controller) changes to add
device tree bindings.

* tag 'omap-for-v3.9/gpmc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: gpmc: Add device tree documentation for elm handle
  ARM: OMAP2+: gpmc: add DT bindings for OneNAND
  ARM: OMAP2+: gpmc-onenand: drop __init annotation
  mtd: omap-onenand: pass device_node in platform data
  ARM: OMAP2+: Prevent potential crash if GPMC probe fails
  ARM: OMAP2+: gpmc: Remove unneeded of_node_put()
  ARM: OMAP: gpmc: add DT bindings for GPMC timings and NAND
  ARM: OMAP: gpmc: enable hwecc for AM33xx SoCs
  ARM: OMAP: gpmc-nand: drop __init annotation
  mtd: omap-nand: pass device_node in platform data
  ARM: OMAP: gpmc: don't create devices from initcall on DT

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05 14:03:45 -08:00
Olof Johansson
c1226ff9af Few fixes for v3.9 merge window that are not urgent for
the -rc series.
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Merge tag 'omap-for-v3.9/fixes-non-critical-signed-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical

From Tony Lindgren:
Few fixes for v3.9 merge window that are not urgent for
the -rc series.

* tag 'omap-for-v3.9/fixes-non-critical-signed-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: using strlcpy instead of strncpy
  ARM: OMAP2+: Fix selection of clockevent timer when using device-tree
  ARM: OMAP: Fix the use of uninitialized dma_lch_count
  ARM: OMAP: make wakeupgen_lock raw
  + Linux 3.8-rc6
2013-02-05 13:55:59 -08:00
Hiroshi Doyu
7e61114963 ARM: tegra: Fix build error for gic update
Fix build error in board-dt-tegra114.c(next-20130204)

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Reported-by: Sami Liedes<sliedes@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05 13:23:56 -08:00
Olof Johansson
7960ba89ca ARM: tegra: defconfig update
Various new features are enabled on Tegra:
 * RTC_DRV_TPS6586X to enable the RTC on many boards, such as Harmony
   and Ventana.
 * POWER_RESET_GPIO to provide a power off driver for TrimSlice.
 * Tegra KBC controller support, for Seaboard, Harmony, and Whistler.
 * Tegra high-speed UART driver, for Cardhu Bluetooth.
 * kexec support.
 
 This pull request is based on v3.8-rc3.
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Merge tag 'tegra-for-3.9-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/boards

From Stephen Warren:
ARM: tegra: defconfig update

Various new features are enabled on Tegra:
* RTC_DRV_TPS6586X to enable the RTC on many boards, such as Harmony
  and Ventana.
* POWER_RESET_GPIO to provide a power off driver for TrimSlice.
* Tegra KBC controller support, for Seaboard, Harmony, and Whistler.
* Tegra high-speed UART driver, for Cardhu Bluetooth.
* kexec support.

This pull request is based on v3.8-rc3.

* tag 'tegra-for-3.9-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra: defconfig updates
2013-02-05 13:19:59 -08:00
Olof Johansson
5b22c33e8e ARM: tegra: device tree updates
Numerous updates to the various Tegra device trees are made:
 
 * Addition of NVIDIA Beaver (Tegra30) and Toradex Colibri T20 and Iris
   carrier boards.
 * Enablement of the HDMI connector on most boards.
 * Enablement of the keyboard controller on a few boards.
 * Addition of the AC'97 controller to Tegra20.
 * Addition of a GPIO poweroff node for TrimSlice.
 * Changes to support the new "high speed UART" (DMA-capable) driver for
   Tegra serial ports, and enablement for Cardhu's UART C.
 * A few cleanups, such as compatible flag fixes, node renames, node
   ordering fixes, commonizing properties into SoC .dtsi files, etc..
 
 This pull request is based on (most of) the previous pull request with
 tag tegra-for-3.9-soc-t114.
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Merge tag 'tegra-for-3.9-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/dt

From Stephen Warren:
ARM: tegra: device tree updates

Numerous updates to the various Tegra device trees are made:

* Addition of NVIDIA Beaver (Tegra30) and Toradex Colibri T20 and Iris
  carrier boards.
* Enablement of the HDMI connector on most boards.
* Enablement of the keyboard controller on a few boards.
* Addition of the AC'97 controller to Tegra20.
* Addition of a GPIO poweroff node for TrimSlice.
* Changes to support the new "high speed UART" (DMA-capable) driver for
  Tegra serial ports, and enablement for Cardhu's UART C.
* A few cleanups, such as compatible flag fixes, node renames, node
  ordering fixes, commonizing properties into SoC .dtsi files, etc..

This pull request is based on (most of) the previous pull request with
tag tegra-for-3.9-soc-t114.

* tag 'tegra-for-3.9-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (22 commits)
  ARM: dt: tegra30: Rename "smmu" to "iommu"
  ARM: dt: tegra20: Rename "gart" to "iommu"
  ARM: tegra: move serial clock-frequency attr into the Tegra30 dtsi
  ARM: tegra: Add Toradex Iris carrier board DT with T20 512MB COM
  ARM: tegra: Add Colibri T20 512MB COM device tree
  ARM: tegra: move serial clock-frequency attr into the Tegra20 dtsi
  ARM: tegra: harmony: enable keyboard in DT
  ARM: tegra: whistler: enable keyboard in DT
  ARM: tegra: cardhu: register UARTC
  ARM: tegra: seaboard: enable keyboard in DT
  ARM: tegra: add DT entry for KBC controller
  ARM: tegra: swap cache-/interrupt-ctrlr nodes in DT
  ASoC: tegra: add ac97 host controller to device tree
  ARM: DT: tegra: Add Tegra30 Beaver board support
  ARM: DT: tegra: Add board level compatible properties
  ARM: tegra: paz00: enable HDMI port
  ARM: tegra: ventana: enable HDMI port
  ARM: tegra: seaboard: enable HDMI port
  ARM: tegra: trimslice: add gpio-poweroff node to DT
  ARM: DT: tegra: Unify the description of Tegra20 boards
  ...
2013-02-05 13:19:11 -08:00
Olof Johansson
0b6ad80abb Merge branch 'next/soc' into next/dt 2013-02-05 13:19:03 -08:00
Olof Johansson
f7c66dc0bf ARM: tegra: remove empty tegra_smp_init_cpus()
Based on two separate cleanup branches, it's now empty and can be removed.

Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: Stephen Warren <swarren@wwwdotorg.org>
2013-02-05 13:13:08 -08:00
Olof Johansson
e9daa0ead1 ARM: tegra: add Tegra114 SoC support
This pull request adds initial support for the Tegra114 SoC, which
 integrates a quad-core ARM Cortex-A15 CPU. I'm proud to observe that we
 posted the initial versions of these patches before the final official
 announcement of this chip.
 
 These patches are enough to boot with a UART-based console, support the
 Dalmore and Pluto reference/evaluation boards, instantiate the GPIO and
 pinctrl drivers, and enable a cpuidle state. As yet, no clocks or
 storage devices are supported, but patches for those will follow shortly.
 
 This pull request is based on (most of) the previous pull request with
 tag tegra-for-3.9-soc-cpuidle, followed by a merge of the previous pull
 request with tag tegra-for-3.9-scu-base-rework.
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Merge tag 'tegra-for-3.9-soc-t114' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stepen Warren:
ARM: tegra: add Tegra114 SoC support

This pull request adds initial support for the Tegra114 SoC, which
integrates a quad-core ARM Cortex-A15 CPU. I'm proud to observe that we
posted the initial versions of these patches before the final official
announcement of this chip.

These patches are enough to boot with a UART-based console, support the
Dalmore and Pluto reference/evaluation boards, instantiate the GPIO and
pinctrl drivers, and enable a cpuidle state. As yet, no clocks or
storage devices are supported, but patches for those will follow shortly.

This pull request is based on (most of) the previous pull request with
tag tegra-for-3.9-soc-cpuidle, followed by a merge of the previous pull
request with tag tegra-for-3.9-scu-base-rework.

* tag 'tegra-for-3.9-soc-t114' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (24 commits)
  ARM: DT: tegra114: add pinmux DT entry
  ARM: DT: tegra114: add GPIO DT entry
  ARM: tegra114: select PINCTRL for Tegra114 SoC
  ARM: tegra: add Tegra114 ARM_CPUIDLE_WFI_STATE support
  ARM: tegra: Add SMMU entry to Tegra114 DT
  ARM: tegra: add AHB entry to Tegra114 DT
  ARM: tegra: Add initial support for Tegra114 SoC.
  ARM: dt: tegra114: Add new board, Pluto
  ARM: dt: tegra114: Add new board, Dalmore
  ARM: dt: tegra114: Add new SoC base, Tegra114 SoC
  ARM: tegra: fuse: Add chip ID Tegra114 0x35
  ARM: OMAP: Make use of available scu_a9_get_base() interface
  ARM: tegra: Skip scu_enable(scu_base) if not Cortex A9
  ARM: Add API to detect SCU base address from CP15
  ARM: tegra: Use DT /cpu node to detect number of CPU core
  ARM: tegra: Add CPU nodes to Tegra30 device tree
  ARM: tegra: Add CPU nodes to Tegra20 device tree
  ARM: perf: simplify __hw_perf_event_init err handling
  ARM: perf: remove unnecessary checks for idx < 0
  ARM: perf: handle armpmu_register failing
  ...

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

Remove/add conflict in arch/arm/mach-tegra/common.c resolved.
Remove/remove conflict in arch/arm/mach-tegra/platsmp.c. Leave the empty
stub function for now since removing it in the merge commit is confusing;
will be cleaned up in a separate commit.  # # It looks like you may be
committing a merge.  # If this is not correct, please remove the file #
.git/MERGE_HEAD # and try again.
2013-02-05 13:10:39 -08:00
Olof Johansson
c8bfea3636 ARM: tegra: cpuidle enhancements
This pull request implements a new "LP2" cpuidle state for Tegra20,
 which makes use of the couple cpuidle feature.
 
 It is based on (most of) the previous pull request, with tag
 tegra-for-3.9-soc-usb.
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Merge tag 'tegra-for-3.9-soc-cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stephen Warren:
ARM: tegra: cpuidle enhancements

This pull request implements a new "LP2" cpuidle state for Tegra20,
which makes use of the couple cpuidle feature.

It is based on (most of) the previous pull request, with tag
tegra-for-3.9-soc-usb.

* tag 'tegra-for-3.9-soc-cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra20: cpuidle: apply coupled cpuidle for powered-down mode
  ARM: tegra20: flowctrl: add support for cpu_suspend_enter/exit
  clk: tegra20: Implementing CPU low-power function for tegra_cpu_car_ops
  ARM: tegra20: cpuidle: add powered-down state for secondary CPU
  ARM: tegra: add pending SGI checking API

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05 12:46:18 -08:00
Lad, Prabhakar
3e85a44aac [media] ARM: davinci: da850 evm: pass platform data for adv7343 encoder
Without this patch the adv7343 encoder was being set to default
configuration which caused display not to work on this board.
This patch passes the necessary platform data required for adv7343
encoder to work on da850 evm.

Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-02-05 18:46:18 -02:00
Olof Johansson
ceca718f21 ARM: tegra: USB driver cleanup
The Tegra USB driver has a number of issues:
 
 1) The PHY driver isn't a true platform device, and doesn't implement
    the standard USB PHY API.
 
 2) struct device instance numbers were used to make decisions in the
    driver, rather than being parameterized by DT or platform data.
 
 This pull request solves issue (2), and lays the groundwork for solving
 issue (1). The work on issue (1) involved introducing new DT nodes for
 the USB PHYs, which in turn interacted with the Tegra common clock
 framework changes, due to the move of clock lookups into device tree.
 Hence, these USB driver changes are taken through the Tegra tree with
 acks from USB maintainers.
 
 This pull request is based on the previous pull request, with tag
 tegra-for-3.9-soc-ccf.
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Merge tag 'tegra-for-3.9-soc-usb' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stephen Warren:
ARM: tegra: USB driver cleanup

The Tegra USB driver has a number of issues:

1) The PHY driver isn't a true platform device, and doesn't implement
   the standard USB PHY API.

2) struct device instance numbers were used to make decisions in the
   driver, rather than being parameterized by DT or platform data.

This pull request solves issue (2), and lays the groundwork for solving
issue (1). The work on issue (1) involved introducing new DT nodes for
the USB PHYs, which in turn interacted with the Tegra common clock
framework changes, due to the move of clock lookups into device tree.
Hence, these USB driver changes are taken through the Tegra tree with
acks from USB maintainers.

This pull request is based on the previous pull request, with tag
tegra-for-3.9-soc-ccf.

* tag 'tegra-for-3.9-soc-usb' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  usb: host: tegra: make use of PHY pointer of HCD
  ARM: tegra: Add reset GPIO information to PHY DT node
  usb: host: tegra: don't touch EMC clock
  usb: add APIs to access host registers from Tegra PHY
  USB: PHY: tegra: Get rid of instance number to differentiate PHY type
  USB: PHY: tegra: get rid of instance number to differentiate legacy controller
  ARM: tegra: add clocks properties to USB PHY nodes
  ARM: tegra: add DT nodes for Tegra USB PHY
  usb: phy: remove unused APIs from Tegra PHY.
  usb: host: tegra: Resetting PORT0 based on information received via DT.
  ARM: tegra: Add new DT property to USB node.
  usb: phy: use kzalloc to allocate struct tegra_usb_phy
  ARM: tegra: remove USB address related macros from iomap.h
2013-02-05 12:45:39 -08:00
Olof Johansson
bda6f8e6cd ARM: tegra: Common Clock Framework rework
Tegra already supports the common clock framework, but had issues:
 
 1) The clock driver was located in arch/arm/mach-tegra/ rather than
    drivers/clk/.
 
 2) A single "Tegra clock" type was implemented, rather than separate
    clock types for PLL, mux, divider, ... type in HW.
 
 3) Clock lookups by device drivers were still driven by device name
    and connection ID, rather than through device tree.
 
 This pull request solves all three issues. This required some DT changes
 to add clocks properties, and driver changes to request clocks more
 "correctly". Finally, this rework allows all AUXDATA to be removed from
 Tegra board files, and various duplicate clock lookup entries to be
 removed from the driver.
 
 This pull request is based on the previous pull request, with tag
 tegra-for-3.9-cleanup.
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Merge tag 'tegra-for-3.9-soc-ccf' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stephen Warren:
ARM: tegra: Common Clock Framework rework

Tegra already supports the common clock framework, but had issues:

1) The clock driver was located in arch/arm/mach-tegra/ rather than
   drivers/clk/.

2) A single "Tegra clock" type was implemented, rather than separate
   clock types for PLL, mux, divider, ... type in HW.

3) Clock lookups by device drivers were still driven by device name
   and connection ID, rather than through device tree.

This pull request solves all three issues. This required some DT changes
to add clocks properties, and driver changes to request clocks more
"correctly". Finally, this rework allows all AUXDATA to be removed from
Tegra board files, and various duplicate clock lookup entries to be
removed from the driver.

This pull request is based on the previous pull request, with tag
tegra-for-3.9-cleanup.

* tag 'tegra-for-3.9-soc-ccf' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (31 commits)
  clk: tegra30: remove unused TEGRA_CLK_DUPLICATE()s
  clk: tegra20: remove unused TEGRA_CLK_DUPLICATE()s
  ARM: tegra30: remove auxdata
  ARM: tegra20: remove auxdata
  ASoC: tegra: remove auxdata
  staging: nvec: remove use of clk_get_sys
  ARM: tegra: paz00: add clock information to DT
  ARM: tegra: add clock properties to Tegra30 DT
  ARM: tegra: add clock properties to Tegra20 DT
  spi: tegra: do not use clock name to get clock
  ARM: tegra: remove legacy clock code
  ARM: tegra: migrate to new clock code
  clk: tegra: add clock support for Tegra30
  clk: tegra: add clock support for Tegra20
  clk: tegra: add Tegra specific clocks
  ARM: tegra: define Tegra30 CAR binding
  ARM: tegra: define Tegra20 CAR binding
  ARM: tegra: move tegra_cpu_car.h to linux/clk/tegra.h
  ARM: tegra: add function to read chipid
  ARM: tegra: fix compile error when disable CPU_IDLE
  ...

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

Conflicts:
	arch/arm/mach-tegra/board-dt-tegra20.c
	arch/arm/mach-tegra/board-dt-tegra30.c
	arch/arm/mach-tegra/common.c
	arch/arm/mach-tegra/platsmp.c
	drivers/clocksource/Makefile
2013-02-05 12:13:10 -08:00
Olof Johansson
f0390669d1 ARM: tegra: cleanup
This pull request contains various cleanup and minor changes to core
 Tegra code:
 * Tegra clocksource driver is moved to drivers/clocksource.
 * Various typos, warning cleanup, statics cleanup, section mismatch
   fixes, etc.
 * Various small fixes/cleanups for CPU/hotplug/SMP code.
 
 This pull request is based on a merge of v3.8-rc3 and at least part of
 arm-soc's timer/cleanup branch.
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Merge tag 'tegra-for-3.9-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/cleanup

From Stephen Warren:
ARM: tegra: cleanup

This pull request contains various cleanup and minor changes to core
Tegra code:
* Tegra clocksource driver is moved to drivers/clocksource.
* Various typos, warning cleanup, statics cleanup, section mismatch
  fixes, etc.
* Various small fixes/cleanups for CPU/hotplug/SMP code.

This pull request is based on a merge of v3.8-rc3 and at least part of
arm-soc's timer/cleanup branch.

* tag 'tegra-for-3.9-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra: fix compile error when disable CPU_IDLE
  ARM: tegra30: make the wait time of CPU power up to proportional to HZ
  ARM: tegra: make device can run on UP
  ARM: tegra: clean up the CPUINIT section
  ARM: tegra: moving the clock gating procedure to tegra_cpu_kill
  ARM: tegra: update the cache maintenance order for CPU shutdown
  ARM: tegra30: fix power up sequence for boot_secondary
  ARM: tegra: cpufreq: move clk_get/put out of function tegra_cpu_init/exit
  ARM: tegra: fix Kconfig warnings when !SMP
  ARM: tegra: Make variables static
  clocksource: tegra: cosmetic: Fix error message
  ARM: tegra: move timer.c to drivers/clocksource/

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

Trivial conflicts:
	arch/arm/mach-tegra/board-dt-tegra20.c
	arch/arm/mach-tegra/board-dt-tegra30.c
	drivers/clocksource/Makefile
2013-02-05 12:10:18 -08:00
Sylwester Nawrocki
56bc911ac3 [media] s5p-fimc: Redefine platform data structure for fimc-is
Newer Exynos4 SoC are equipped with a local camera ISP that
controls external raw image sensor directly. Such sensors
can be connected through FIMC-LITEn (and MIPI-CSISn) IPs to
the ISP, which then feeds image data to the FIMCn IP. Thus
there can be two busses associated with an image source
(sensor). Rename struct s5p_fimc_isp_info describing external
image sensor (video decoder) to struct fimc_source_info to
avoid confusion. bus_type is split into fimc_bus_type and
sensor_bus_type. The bus type enumeration is extended to
include both FIMC Writeback input types.
The bus_type enumeration and the data structure name in the
board files are modified according to the above changes.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-02-05 17:55:58 -02:00
Olof Johansson
c35a0bfacb Third round of Renesas ARM-based SoC changes for v3.9
A fix for r8a7779 clocks.
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Merge tag 'renesas-soc3-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

From Simon Horman:
Third round of Renesas ARM-based SoC changes for v3.9

A fix for r8a7779 clocks.

* tag 'renesas-soc3-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: r8a7779: Correct TMU clock support
2013-02-05 11:04:11 -08:00
Maxime Ripard
b60decad77 sunxi: Cleanup the reset code and add meaningful registers defines
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05 11:02:39 -08:00
Tony Lindgren
6689c87555 ARM: OMAP2+: Fix twl section warnings related to omap_twl4030_audio_init
With the recent twl related changes we can now get:

WARNING: arch/arm/mach-omap2/built-in.o(.text+0x15f88): Section mismatch in
reference from the function sdp3430_twl_gpio_setup() to the function
.init.text:omap_twl4030_audio_init()
The function sdp3430_twl_gpio_setup() references
the function __init omap_twl4030_audio_init().
This is often because sdp3430_twl_gpio_setup lacks a __init
annotation or the annotation of omap_twl4030_audio_init is wrong.

WARNING: arch/arm/mach-omap2/built-in.o(.text+0x16968): Section mismatch in
reference from the function zoom_twl_gpio_setup() to the function
.init.text:omap_twl4030_audio_init()
The function zoom_twl_gpio_setup() references
the function __init omap_twl4030_audio_init().
This is often because zoom_twl_gpio_setup lacks a __init
annotation or the annotation of omap_twl4030_audio_init is wrong.

Fix this by removing __init from omap_twl4030_audio_init() as
suggested by Peter Ujfalusi <peter.ujfalusi@ti.com>.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-05 10:36:21 -08:00
Olof Johansson
9916c15982 imx fixes for 3.8, take 4
- It fixes fec ptp clock pointer in device tree source.
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Merge tag 'imx-fixes-3.8-4' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes

From Shawn Guo:
imx fixes for 3.8, take 4

 - It fixes fec ptp clock pointer in device tree source.

* tag 'imx-fixes-3.8-4' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: dts: imx6: fix fec ptp clock slow 10 time
2013-02-05 10:33:01 -08:00
Olof Johansson
34178c5854 highbank fixes for 3.8
-Compile fix for !SMP
 -More cpu cluster id related fixes
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Merge tag 'highbank-fixes-for-3.8' of git://sources.calxeda.com/kernel/linux into fixes

From Rob Herring:
highbank fixes for 3.8

-Compile fix for !SMP
-More cpu cluster id related fixes

* tag 'highbank-fixes-for-3.8' of git://sources.calxeda.com/kernel/linux:
  ARM: highbank: mask cluster id from cpu_logical_map
  ARM: scu: mask cluster id from cpu_logical_map
  ARM: scu: add empty scu_enable for !CONFIG_SMP
2013-02-05 10:31:42 -08:00
Linus Walleij
f015941f6b ARM: nomadik: fix OF compilation regression
The Nomadik Device Tree patch series accidentally
selected OF instead of USE_OF which led to problems
during compile:

arch/arm/kernel/devtree.c: In function 'arm_dt_memblock_reserve':
/home/elinwal/linux-arm-soc/arch/arm/kernel/devtree.c:43:7: error: 'initial_boot_params' undeclared (first use in this function)
(etc).

This fixes it up by selecting USE_OF instead.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05 10:29:26 -08:00
Olof Johansson
b28eaacfbb The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which
are unused on ARM architecure.  Samsung has some code setting up wdog
 in arch_decomp_wdog().  But since CONFIG_S3C_BOOT_WATCHDOG is defined
 nowhere, it will not run.  Otherwise, system can not boot at all when
 wdog is set up but no one pats it.
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Merge tag 'cleanup-decompwdog-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/cleanup

From Shawn Guo:
The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which
are unused on ARM architecure.  Samsung has some code setting up wdog
in arch_decomp_wdog().  But since CONFIG_S3C_BOOT_WATCHDOG is defined
nowhere, it will not run.  Otherwise, system can not boot at all when
wdog is set up but no one pats it.

* tag 'cleanup-decompwdog-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: samsung: remove unused arch_decomp_wdog() code
  ARM: remove unused arch_decomp_wdog()
  ARM: decompress: remove unused ARCH_HAS_DECOMP_WDOG

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05 10:26:20 -08:00
Kukjin Kim
a1ed26703e pinctrl: exynos: change PINCTRL_EXYNOS option
Since pinctrl-exynos can support exynos4 and exynos5 so changed
the option name to PINCTRL_EXYNOS for more clarity.

Cc: Thomas Abraham <Thomas.abraham@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-05 15:27:39 +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
Patrice Chotard
a8f96e4178 pinctrl/abx500: add AB8540 sub-driver
Add AB8540 sub driver to the ABx500 family, pins, pin groups and
gpio range.

As the pin controller (also the ABx500 controllers) is an
inherent part of the SoC and will prevent boot if not
available, select this from the Ux500 SoC Kconfig.

Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-05 13:54:21 +01:00
Patrice Chotard
09dbec3f74 pinctrl/abx500: add AB9540 sub-driver
Add AB9540 sub driver to the ABx500 family, pins, pin groups and
gpio range.

As the pin controller (also the ABx500 controllers) is an
inherent part of the SoC and will prevent boot if not
available, select this from the Ux500 SoC Kconfig.

Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-05 13:54:20 +01:00
Patrice Chotard
1aa2d8d405 pinctrl/abx500: add AB8505 sub-driver
Add AB8505 sub driver to the ABx5x family.

As the pin controller (also the ABx500 controllers) is an
inherent part of the SoC and will prevent boot if not
available, select this from the Ux500 SoC Kconfig.

Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-05 13:54:19 +01:00
Nicolas Ferre
c3f0f282d9 ARM: at91/DT: remove atmel,use-dma-* from 9x5 and 9n12 USART nodes
Fix the use of USART on both at91sam9x5 and at91sam9n12. In DTS, the
atmel,use-dma-[rx|tx] property is present but a DMA channel cannot be used.
Indeed the connexion between the DMA engine and the slave is not implemented
yet in Device Tree.
Note however that this property is also used for PDC (private DMA) on older
SoCs. This is why the driver alone cannot determine the validity of this
property.

Reported-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: stable <stable@vger.kernel.org> [3.8+]
2013-02-05 10:55:11 +01:00
Steffen Trumtrar
4b526ca5f6 ARM: i.MX25: clk: parent per5_clk to AHB clock
The mxc-timer on the imx25 needs to be derived from the AHB clock.
If a bootloader reparents this clock to the ipg_clk_highfreq, which according
to the datasheet is a valid operation, the system can/will produce lockups/
freezes after some time [1].

This can be forced with code like
	while(1)
                syscall(SYS_clock_gettime, CLOCK_REALTIME, &tp);

This was already fixed with the commit
	"i.MX25 GPT clock fix: ensure correct the clock source" [2],
for 3.1-rc2, but was lost, when i.MX was converted to the common clock framework
("ARM i.MX25: implement clocks using common clock framework") [3]

[1]: http://lists.arm.linux.org.uk/lurker/message/20130129.161230.229bda17.en.html
[2]: 2012d9ca2a
[3]: 6bbaec5676

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Cc: stable@vger.kernel.org # v3.5+
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2013-02-05 10:54:35 +01:00
Gwenhael Goavec-Merou
4a3ef22676 ARM: imx27: clk-imx27: SPI: Rename IPG clock and add PER clock
spi-imx driver needs two clock: ipg and per. The first clock must be named and
the second must be added.

Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2013-02-05 10:43:50 +01:00
Magnus Damm
dbe1c3defb ARM: shmobile: Register ARM architected timer
Register ARM architected timer by default for all mach-shmobile
systems using late timer.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-02-05 17:13:55 +09:00
Frank Li
8dd5c66bc6 ARM: dts: imx6: fix fec ptp clock slow 10 time
ptp should use enet_ref instead of pll6_enet
pll6_enet is fixed 500Mhz.
There are divider between enet_ref and pll6_enet

Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-05 15:11:23 +08:00
Olof Johansson
71e45bd2f9 mvebu drivers for v3.9
- use rtc-mv in mvebu armv7 SoCs
  - add pci-e hotplug for kirkwood
 
 Depends on:
  - tags/mvebu_fixes_for_v3.8-rc6
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Merge tag 'drivers_for_v3.9' of git://git.infradead.org/users/jcooper/linux into next/soc

From Jason Cooper:
mvebu drivers for v3.9
 - use rtc-mv in mvebu armv7 SoCs
 - add pci-e hotplug for kirkwood

Depends on:
 - tags/mvebu_fixes_for_v3.8-rc6

* tag 'drivers_for_v3.9' of git://git.infradead.org/users/jcooper/linux:
  cpuidle: kirkwood: Move out of mach directory
  rtc: Add support of rtc-mv for MVEBU SoCs
  ARM: Kirkwood: Support basic hotplug for PCI-E
  arm: mvebu: i2c come back in defconfig
  arm: plat-orion: fix printing of "MPP config unavailable on this hardware"
  Dove: activate GPIO interrupts in DT
2013-02-04 22:56:53 -08:00
Olof Johansson
469da62096 Linux 3.8-rc6
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Merge tag 'v3.8-rc6' into next/soc

Linux 3.8-rc6
2013-02-04 22:56:41 -08:00
Olof Johansson
4227961650 imx6q cpuidle support for 3.9
- It's based on imx-cleanup-3.9 to avoid conflicts.
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Merge tag 'imx6q-cpudile-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc

From Shawn Guo:
imx6q cpuidle support for 3.9

 - It's based on imx-cleanup-3.9 to avoid conflicts.

* tag 'imx6q-cpudile-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: imx6q: support WAIT mode using cpuidle
  ARM: imx: move imx6q_cpuidle_driver into a separate file
  ARM: imx: mask gpc interrupts initially
  ARM: imx: return zero in case next event gets a large increment
  ARM: imx: Remove mx508 support
  ARM: imx: Remove mach-mx51_3ds board
  ARM: imx: use debug_ll_io_init() for imx6q
  ARM: imx: remove unused imx6q_clock_map_io()
  ARM: mach-imx: Kconfig: Do not select Babbage for MACH_IMX51_DT

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

Still, two delete/change conflicts caused by imx/cleanup:

	arch/arm/mach-imx/mach-mx50_rdp.c
	arch/arm/mach-imx/mach-mx51_3ds.c
2013-02-04 22:24:20 -08:00
Barry Song
ef4acb75a0 ARM: MARCO: fix the build issue due to gic-vic-to-irqchip move
Fix the issue:
tree:   git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git next/soc
head:   6ed05a2aab
commit: af70fdc947 [4/8] Merge branch 'marco-timer-cleanup-rebase' of
git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel into next/soc
config: make ARCH=arm prima2_defconfig

All error/warnings:

>> arch/arm/mach-prima2/platsmp.c:20:30: fatal error: asm/hardware/gic.h: No such file or directory
   compilation terminated.
--
>> arch/arm/mach-prima2/common.c:15:30: fatal error: asm/hardware/gic.h: No such file or directory
   compilation terminated.

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Cc: Xie ChanglongX <changlongx.xie@intel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-04 21:53:14 -08:00
Olof Johansson
5b399db0b7 Merge branch 'next/cleanup-header' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
From Kukjin Kim:
AS I commented, this makes <mach/*.h> local so that they could be removed.

* 'next/cleanup-header' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (26 commits)
  ARM: S3C64XX: Fix missing header error with CONFIG_CPU_IDLE enabled
  ARM: S3C64XX: make regs-syscon-power.h local
  ARM: S3C64XX: make regs-sys.h local
  ARM: S3C64XX: make regs-srom.h local
  ARM: S3C64XX: make regs-modem.h local
  ARM: S3C64XX: make regs-gpio-memport.h local
  ARM: S3C64XX: make crag6410.h local
  ARM: S3C24XX: remove dsc.c and make regs-dsc.h local
  ARM: S3C24XX: remove idle.h
  ARM: S3C2412: cleanup regs-s3c2412.h
  ARM: S3C2416: remove regs-s3c2416-mem.h and regs-s3c2416.h
  ARM: S3C24XX: make vr1000-cpld.h, vr1000-irq.h and vr1000-map.h local
  ARM: S3C24XX: make otom-map.h local
  ARM: S3C24XX: make osiris-cpld.h and osiris-map.h local
  ARM: S3C24XX: make h1940.h and h1940-latch.h local
  ARM: S3C24XX: make gta02.h local
  ARM: S3C24XX: make bast-cpld.h, bast-irq.h and bast-map.h local
  ARM: S3C24XX: make anubis-cpld, anubis-irq and anubis-map local
  ARM: SAMSUNG: cleanup mach/gpio-fns.h gpio-track.h and gpio-nrs.h
  ARM: SAMSUNG: cleanup mach/regs-audss.h file
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-04 21:49:29 -08:00
Simon Horman
58079fa7d5 ARM: shmobile: r8a7779: Correct TMU clock support
During code review it was noticed that the clock value for
TMU01 was incorrect and the value for TMU02 was missing.

For reference: As of 3.8-rc6 there are no in-tree consumes of these clocks.

Reported-by: Denis Oliver Kropp <dok@directfb.org>
Reviewed-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-02-05 12:31:18 +09:00
Fabio Estevam
e1ab0056df ARM: mxs_defconfig: Select CONFIG_DEVTMPFS_MOUNT
Newer versions of udev (such as 182) requires CONFIG_DEVTMPFS_MOUNT to be
selected, otherwise we get a stuck console:

Starting udev
Starting Bootlog daemon: bootlogd: cannot deduce real console device

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-05 11:28:28 +08:00
Torben Hohn
93044fa152 ARM: mxs: decrease mxs_clockevent_device.min_delta_ns to 2 clock cycles
Signed-off-by: Torben Hohn <torbenh@linutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-05 11:27:49 +08:00
Torben Hohn
2fb318ff75 ARM: mxs: use apbx bus clock to drive the timers on timrotv2
timer resolution of ~32us is pretty low.
v2 has 32bits resolution, so we have quite some headroom, and
can use the 24MHz clock.
v1 has only 16bits, so we only increase v2.

So we just exchange the timrot clock in imx28.
On imx23 we have timrotv1 and everything stays the same.

Signed-off-by: Torben Hohn <torbenh@linutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-05 11:19:46 +08:00
Marek Vasut
77d168a998 ARM: mxs: Update mxs_defconfig
Regenerate the mxs_defconfig to match recent kernel using the following
commands:

make mxs_defconfig
make savedefconfig
cp defconfig arch/arm/configs/mxs_defconfig

Then enable these features:
- MTD block access
- UBI and UBIFS
- JFFS2
- EXT2 and EXT4
- AT24 EEPROM support
- Support for most of the SPI flashes
- Support for ethernet PHYs that are usually used on mxs designs

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-05 11:18:00 +08:00
Shawn Guo
2624691932 ARM: imx_v6_v7_defconfig: enable anatop regulator and snvs rtc
Eanble anatop regulator and snvs rtc support which are very useful
for imx6q build.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-05 10:14:55 +08:00
Shawn Guo
f8c95fe6d9 ARM: imx: support DEBUG_LL uart port selection for all i.MX SoCs
Extend imx6q DEBUG_LL uart port selection support to cover all i.MX
SoCs.  The 'range' of the Kconfig option gets dropped, as users
looking at the option must know the uart number on his board.  The
bottom line is that the build system will report an error if an
invalid port number is picked for given SoC.

The header arch/arm/include/debug/imx-uart.h is created to accommodate
all the uart base addresses.  And the header will also be used for
other low-level debug facility later.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-05 10:14:55 +08:00
Shawn Guo
4ad625d466 ARM: imx: use separated debug uart symbol for imx31 and imx35
It's improper to use combined symbol DEBUG_IMX31_IMX35_UART for
imx31 and imx35, because imx31 has 5 UARTs while imx35 only has 3.
So later when we add UART port selection for DEBUG_IMX31_IMX35_UART,
we will have problem.

Use separated Kconfig options for imx31 and imx35 debug uart selection.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-05 10:14:54 +08:00
Fabio Estevam
f93c32d90f ARM: imx_v6_v7_defconfig: Select IPUV3 driver
Let IPUV3 driver be built by default.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-02-05 10:14:54 +08:00
Shawn Guo
f662f52a91 I have left out the patch (ARM: dts: imx: use nodes label in board dts)
in question and other dts related changes, and will have them go via DT
 branch  to save the cross branch dependency.
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Merge tag 'imx-cleanup-3.9' into imx/soc
2013-02-05 10:14:40 +08:00
Alexandre Courbot
6320c7b799 arm: pxa: tosa: do not use gpiochip_reserve()
GPIO address space reservation during early platform initialization is
not needed anymore for Tosa. Remove the calls to gpiochip_reserve()
which is due to be removed.

Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-04 21:41:32 +01:00
Kukjin Kim
37c3adca81 ARM: S3C24XX: header mach/regs-mem.h local
Since header mach/regs-mem.h is used only into mach-s3c24xx/,
this patch moves the header file in local.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-04 10:31:43 -08:00
Kukjin Kim
14cce0e775 ARM: S3C24XX: header mach/regs-power.h local
Since header mach/regs-power.h is used only into mach-s3c24xx/,
this patch moves the header file in local.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-04 10:31:39 -08:00
Kukjin Kim
d3c01e7eab ARM: S3C24XX: header mach/regs-s3c2412-mem.h local
Since header mach/regs-s3c2412-mem.h is used only into mach-s3c24xx/,
this patch moves the header file in local.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-04 10:31:38 -08:00
Chen Gang
c8d4bafe50 ARM: OMAP2+: using strlcpy instead of strncpy
the fields must be null-terminated:
the caller may use it as null-terminted string, next.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-04 10:17:37 -08:00
Russell King
2fb20e2e35 Merge branch 'for-rmk/broadcast' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable 2013-02-04 14:51:49 +00:00
Russell King
9cb543124a Merge branch 'for-rmk/virt/kvm/core' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable 2013-02-04 14:50:07 +00:00
Kukjin Kim
09ec1d7ea6 ARM: S3C24XX: Remove plat-s3c24xx directory in arch/arm/
This patch is for just moving plat-s3c24xx/*.c into mach-s3c24xx/, so
that we could remove plat-s3c24xx directory. But since the PLAT_S3C24XX
is used in drivers, the statement is not deleted and it will be sorted
out next time.

Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-03 16:17:10 -08:00
Heiko Stuebner
f44ddba363 ARM: S3C24XX: transform s3c2443 subirqs into new structure
Share the common irq code by simply defining a correct mapping declaration
for the s3c2443.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-03 15:52:50 -08:00
Heiko Stuebner
b499b7a871 ARM: S3C24XX: modify s3c2443 irq init to initialize all irqs
Previously the irq init used s3c24xx_init_irq and an additional
arch_initcall to add the cpu specific irqs.

To be able to simplyfy the irq init later, create a new function
s3c2443_init_irq, which then calls s3c24xx_init_irq but also adds
the cpu specific irqs.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-03 15:52:50 -08:00
Heiko Stuebner
6b6289171b ARM: S3C24XX: move s3c2443 irq code to irq.c
Prequisite for further optimizations.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-03 15:52:49 -08:00
Heiko Stuebner
20f6c781c7 ARM: S3C24XX: transform s3c2416 irqs into new structure
Share the common irq code by simply defining a correct mapping declaration
for the s3c2416.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-03 15:52:49 -08:00
Heiko Stuebner
4a282dd3b6 ARM: S3C24XX: modify s3c2416 irq init to initialize all irqs
Previously the irq init used s3c24xx_init_irq and an additional
arch_initcall to add the cpu specific irqs.

To be able to simplyfy the irq init later, create a new function
s3c416_init_irq, which then calls s3c24xx_init_irq but also adds
the cpu specific irqs.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-03 15:52:49 -08:00
Heiko Stuebner
ef602eb53c ARM: S3C24XX: move s3c2416 irq init to common irq code
This is needed to further clean up the irq init.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-03 15:52:46 -08:00
Heiko Stuebner
b4a343e5b3 ARM: S3C24XX: Modify s3c_irq_wake to use the hwirq property
This gets rid of the use of static irq mappings there.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-03 15:52:45 -08:00
Heiko Stuebner
d8fdec1685 ARM: S3C24XX: Move irq syscore-ops to irq-pm
With this the definition of s3c24xx_irq_syscore_ops can also move to
common.h from plat/pm.h and the definitions of s3c24xx_irq_suspend
and s3c24xx_irq_resume are also not necessary anymore in plat/pm.h

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-02-03 15:52:39 -08:00
Al Viro
50bcb7e473 arm: switch to generic old sigaction()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-03 18:15:47 -05:00
Al Viro
b68fec2416 arm: switch to generic old sigsuspend
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-03 18:15:47 -05:00
Al Viro
ec93ac8663 arm: switch to generic sigaltstack
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-03 18:15:46 -05:00
Al Viro
574c4866e3 consolidate kernel-side struct sigaction declarations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-03 15:09:22 -05:00
Al Viro
92a3ce4a1e consolidate declarations of k_sigaction
Only alpha and sparc are unusual - they have ka_restorer in it.
And nobody needs that exposed to userland.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-03 15:09:22 -05:00
Emilio López
0749a4424b sunxi: a10-cubieboard: Add user LEDs to the device tree
Cubieboard has two LEDs available for use, a blue one (labeled LED1)
and a green one (labeled LED2).

Signed-off-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2013-02-03 11:15:36 +01:00
Will Deacon
4de3abb348 ARM: mach-virt: add SMP support using PSCI
This patch adds support for SMP to mach-virt using the PSCI
infrastructure.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2013-02-02 15:05:33 +00:00
Marc Zyngier
2a0ba73880 ARM: Dummy Virtual Machine platform support
Add support for the smallest, dumbest possible platform, to be
used as a guest for KVM or other hypervisors.

It only mandates a GIC and architected timers. Fits nicely with
a multiplatform zImage. Uses very little silicon area.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
[will: fixed up conflicts with GIC move to drivers/irqchip/]
Signed-off-by: Will Deacon <will.deacon@arm.com>
2013-02-02 15:05:33 +00:00
Will Deacon
6c046e4055 Merge branch 'irqchip/gic-vic-move' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into for-arm-soc/virt/mach 2013-02-02 15:03:10 +00:00
Viresh Kumar
62b36cc1c8 cpufreq: Remove unnecessary use of policy->shared_type
policy->shared_type field was added only for SoCs with ACPI support:

commit 3b2d99429e
Author: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Date:   Wed Dec 14 15:05:00 2005 -0500

    P-state software coordination for ACPI core

    http://bugzilla.kernel.org/show_bug.cgi?id=5737

Many non-ACPI systems are filling this field by mistake, which makes its usage
confusing. Lets clean it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-02-02 01:29:32 +01:00
Viresh Kumar
16a44f8267 cpufreq: TEGRA: Set policy->cpus from driver->init()
For multicore SoC's, with cores sharing clock line, we are required to set
policy->cpus and policy->related_cpus with mask of cpus.

With following patch, we need to set policy->cpus with mask of all possible cpus
and policy->related_cpus would be filled automatically by the cpufreq core.

commit 4948b355e90080cd5ec1e91189f65a01e4186ef2
Author: Viresh Kumar <viresh.kumar@linaro.org>
Date:   Tue Jan 29 14:39:08 2013 +0000

    cpufreq: Simplify cpufreq_add_dev()

Current Tegra driver fills only ->related_cpus and not ->cpus, which looks to be
incorrect. Lets fix it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-02-02 01:29:31 +01:00
Mark Langsdorf
6754f55610 cpufreq / highbank: add support for highbank cpufreq
Highbank processors depend on the external ECME to perform voltage
management based on a requested frequency. Communication between the
A9 cores and the ECME happens over the pl320 IPC channel.

Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-02-02 00:01:15 +01:00
Rob Herring
300586778d ARM / highbank: add support for pl320 IPC
The pl320 IPC allows for interprocessor communication between the
highbank A9 and the EnergyCore Management Engine. The pl320 implements
a straightforward mailbox protocol.

Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-02-02 00:01:15 +01:00
Rob Herring
bd603455f3 ARM: use device tree to get smp_twd clock
Move clk setup to twd_local_timer_common_register and rely on
twd_timer_rate being 0 to force calibration if there is no clock.
Remove common_setup_called as it is no longer needed.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-02-02 00:01:15 +01:00
Mark Jackson
7dc0f27ea4 ARM: OMAP2+: omap2plus_defconfig: enable omap1 rtc
The BeagleBone dev kit uses the built-in RTC module, so
it would be nice to have this built by default in the
omap2plus defconfig.

Signed-off-by: Mark Jackson <mpfj@newflow.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:35 -08:00
Pali Rohár
749a34b37d RX-51: Register twl4030-madc device
Register twl4030-madc device

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Pali Rohár
1e7bf5e362 RX-51: Add leds lp5523 names from Maemo 5 2.6.28 kernel
Add leds lp5523 names from Maemo 5 2.6.28 kernel

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
AnilKumar Ch
5610b8ede8 ARM: OMAP2+: AM33XX: omap2plus_defconfig: Add support for few drivers
Adds tps65910 PMIC, lis3lv02d accelerometer, tsl2550 ambient light sensor,
tmp275 temperature sensor, matrix keypad, gbio based leds and D_CAN drivers
support. These peripherals are present on AM33XX family of devices (EVM,
BeagleBone and EVMSK). One has to manually enable these support to use the
drivers, so this patch enables all the drivers in omap2plus_defconfig

Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Aaro Koskinen
e496efd950 ARM: OMAP1: nokia770: enable CBUS/Retu
Add needed platform data so that it's possible to use Retu and e.g. feed
Retu watchdog.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Javier Martinez Canillas
72718e8ce0 ARM: OMAP2+: omap2plus_defconfig: enable CMA allocator
The OMAP framebuffer driver now uses the standard dma allocator
instead of the (now removed) omap specific vram allocator.

Enable the Contiguous Memory Allocator by default to allow large
dma memory buffers allocation.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Javier Martinez Canillas
271b22b95a ARM: OMAP2+: omap2plus_defconfig: enable TFP410 chip support
Many OMAP3 based boards such as Beagle, Overo and IGEP use
the TFP410 DPI-to-DVI chip. So, it's good to have it built
as a module by default on OMAP2+ config.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Javier Martinez Canillas
8310f9d295 ARM: OMAP3: igep0020: simplify GPIO LEDs dependencies
The IGEPv2 board has two user GPIO LEDs and one of them is
default to "on" to tell the user that the board booted correctly.

But to use these LEDs the config options CONFIG_LEDS_GPIO,
CONFIG_LEDS_TRIGGERS and CONFIG_LEDS_TRIGGER_DEFAULT_ON have to
be enabled.

Since only the default-on and default-off triggers were used
anyway, it is better to just use .default_state instead of
.default_trigger and not depend on CONFIG_LEDS_TRIGGER_*

Also, this is consistent with IGEPv2 Device Tree that uses
default-state instead of linux,default-trigger for the leds
device nodes. The LED names also have been updated to use the
same names used on omap3-igep0020.dtb.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Kim Milo
a486dc2336 ARM: OMAP2+: craneboard: support the TPS65910 PMU
This patch supports the TPS65910 PMU function on the AM3517 Craneboard.
 The IRQ pin, SYS_NIRQ is dedicated connection between the AM3517 and
 the TPS65910 PMU.
 To handle the PMU IRQs, mux configuration is required.

 Platform data configuration:
 .IRQ number : SYS_NIRQ (M_IRQ_7)
 .External clock source : external 32KHz clock is connected

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Kim Milo
d58eb6b59f ARM: OMAP2+: craneboard: support NAND device
This patch enables the NAND device on the AM3517 Craneboard.

 MTD partitions are created as below.
 0x000000000000-0x000000080000 : "X-Loader"
 0x000000080000-0x000000240000 : "U-Boot"
 0x000000240000-0x000000280000 : "U-Boot Env"
 0x000000280000-0x000000780000 : "Kernel"
 0x000000780000-0x000010000000 : "File System"

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
Igor Grinberg
ff95793a08 ARM: OMAP3: cm-t3517: add MMC support
cm-t3517 uses two MMC interfaces. Add support for both.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:59:34 -08:00
AnilKumar Ch
5af044f472 ARM: OMAP2: AM33XX: id: Add support for AM335x PG2.0
Add support for chip id recognition of AM335x PG2.0 silicon. By default
omap3xxx_check_revision() recognizes PG1.0, which is extended by adding
PG2.0 support

Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:53:39 -08:00
Santosh Shilimkar
8f0de0d62f ARM: OMAP2+: Get rid of custom OMAP_32K_TIMER_HZ
The timekeeping doesn't depend on HZ value in presence of fine grained
clocksource and hence there should not be any time drift because of HZ
value which was chosen to be divisor of 32768.

OMAP has been using HZ = 128 value to avoid any time drift issues
because of 32768 HZ clock. But with various measurements performed
with HZ = 100, no time drift is observed and it also proves the
point about HZ not having impact on time keeping on OMAP.

Very informative thread on this topic is here:
	https://lkml.org/lkml/2013/1/29/435

Special thanks to John Stulz, Arnd Bergmann and Russell King for their
valuable suggestions.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:51:22 -08:00
Jean-Sebastien A. Beaudry
14e067c1a5 ARM: OMAP2+: AM33xx: Add SoC specific restart hook
Add restart hook so that DTS based AM33xx builds can restart
the platform.

Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Jean-Sebastien A. Beaudry <jsabeaudry@handyem.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:50:18 -08:00
Jon Hunter
61338d598e ARM: OMAP2+: Fix selection of clockevent timer when using device-tree
Commit 9725f44 (ARM: OMAP: Add DT support for timer driver) added
device-tree support for selecting a clockevent timer by property.
However, the code is currently ignoring the property passed and
selecting the first available timer found. Hence, for the OMAP3 beagle
board timer-12 is not being selected as expected. Fix this problem
by ensuring the timer property is passed to omap_get_timer_dt().

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:44:10 -08:00
Chen Gang
e78f96060f ARM: OMAP: Fix the use of uninitialized dma_lch_count
'omap_dma_reserve_channels' when used is suppose to be from command.
    so, it alreay has value before 1st call of omap_system_dma_probe.
    and it will never be changed again during running (not from ioctl).

  but 'dma_lch_count' is zero before 1st call of omap_system_dma_probe.
    so it will be failed for omap_dma_reserve_channels, when 1st call.

  so, need use 'd->lch_count' instead of 'dma_lch_count' for judging.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:39:54 -08:00
Thomas Gleixner
aecb9e1422 ARM: OMAP: make wakeupgen_lock raw
When applying RT patch on top of Linux, spinlocks are
implemented as RT-mutexes, which means they are preemptable.

Current GIC implementation on OMAP is using a spinlock
to protect against preemption. As it turns out, we need
to convert that lock into a raw_spinlock so that OMAP's
interrupt controller works as expected after RT-patch
is applied.

This patch is simply to decrease the amount of changes
RT-team needs to carry out of tree. It doesn't cause any
changes in behavior.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:33:56 -08:00
Ezequiel Garcia
75d3625e0e ARM: OMAP2+: gpmc: add DT bindings for OneNAND
This patch adds device tree bindings for OMAP OneNAND devices.
Tested on an OMAP3 3430 IGEPv2 board.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:31:56 -08:00
Ezequiel Garcia
faf5d2ff82 ARM: OMAP2+: gpmc-onenand: drop __init annotation
gpmc_onenand_init() will be called from another driver's probe() function,
so drop the __init annotation, in order to prevent section mismatches.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:10:11 -08:00
Jon Hunter
6797b4fe0e ARM: OMAP2+: Prevent potential crash if GPMC probe fails
If the GPMC probe fails, devices that use the GPMC (such as ethernet
chips, flash memories, etc) can still allocate a GPMC chip-select and
register the device. On the OMAP2420 H4 board, this was causing the
kernel to crash after the gpmc probe failed and the board attempted
to start networking. Prevent this by marking all the chip-selects as
reserved by default and only make them available for devices to request
if the GPMC probe succeeds.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 14:08:19 -08:00
Ezequiel Garcia
a16723709c ARM: OMAP2+: gpmc: Remove unneeded of_node_put()
for_each_node_by_name() automatically calls of_node_put() on each
node passed; so don't do it explicitly unless there's an error.

Reported-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 13:55:45 -08:00
Kyungmin Park
21cc2bda8b ARM: OMAP2+: Remove apollon board support
As apollon board doesn't used anymore, remove it.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[tony@atomide.com: dropped uncompress.h changes, it's gone]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-02-01 10:11:19 -08:00
Will Deacon
0d0ffa94e0 Merge branch 'for-rmk/virt/psci' into for-arm-soc/virt/mach 2013-02-01 10:29:16 +00:00
Will Deacon
9e02e394c7 Merge branch 'for-will/arch-timer-unification' of git://linux-arm.org/linux-mr into for-arm-soc/arch-timers 2013-02-01 10:28:36 +00:00
Maxime Ripard
581981be24 ARM: sunxi: Add the pin groups for UART0 and UART1 on sun4i
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-01 10:48:11 +01:00
Maxime Ripard
874b4e4515 ARM: sunxi: Add the sun4i pinctrl and gpio nodes
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-01 10:47:18 +01:00
Maxime Ripard
e590b91e8a ARM: sunxi: Increase the number of GPIOs available
The Allwinner A10 has 9 banks of 32 GPIOs available, so it doesn't fit
in the usual 256 limit set by gpio.h. Increase this number to 288.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-01 10:42:38 +01:00
Mark Rutland
3d06770eef arm: Add generic timer broadcast support
Implement timer_broadcast for the arm architecture, allowing for the use
of clock_event_device_drivers decoupled from the timer tick broadcast
mechanism.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
2013-02-01 09:14:02 +00:00
Mark Rutland
e2c501190c arm: Use generic timer broadcast receiver
Currently, the ARM backend must maintain a redundant list of timers for
the purpose of centralising timer broadcast functionality. This prevents
sharing timer drivers across architectures.

This patch moves the pain of dealing with timer broadcasts to the core
clockevents tick broadcast code, which already maintains its own list
of timers.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
2013-02-01 09:14:01 +00:00
Stephen Warren
80debae584 ARM: imx: fix imx31-dt.c time-related warning
Commit 6bb27d7 "ARM: delete struct sys_timer" caused the following:

arch/arm/mach-imx/imx31-dt.c:56:2: warning: initialization from incompatible pointer type [enabled by default]
arch/arm/mach-imx/imx31-dt.c:56:2: warning: (near initialization for ‘__mach_desc_IMX31_DT.init_time’) [enabled by default]

This is because mx31_clocks_init_dt() returns int, whereas the .init_time
field prototype expects a function returning void. Implement a wrapper so
that the prototypes match.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-31 19:55:31 -08:00
Olof Johansson
07e0da3dca Second round of Renesas ARM-based SoC changes for v3.9
* Changes to allow unplugging of CPU0 by Ulrich Hecht.
 
 * Changes to add reg and device_type properties to cpus
   device trees entries by Simon Horman.
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Merge tag 'renesas-soc2-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

From Simon Horman:
Second round of Renesas ARM-based SoC changes for v3.9

* Changes to allow unplugging of CPU0 by Ulrich Hecht.

* Changes to add reg and device_type properties to cpus
  device trees entries by Simon Horman.

* tag 'renesas-soc2-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: mach-shmobile: sh73a0: allow unplugging of CPU0
  ARM: mach-shmobile: add shmobile_cpu_disable_any()
  ARM: mach-shmobile: emev2:  Add reg and device_type properties to cpus
  ARM: mach-shmobile: sh73a0:  Add reg and device_type properties to cpus

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-31 19:39:27 -08:00
Olof Johansson
4177a7c586 Second round of Renesas ARM-based SoC board changes for v3.9
* Fix to correct timer initialisation on the armadillo 800 eva board
   from Hideki EIRAKU
 
 * The remaining of the changes relate to updating boards to
   make use of gpio_request_one(). These changes are from  Laurent Pinchart.
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Merge tag 'renesas-boards2-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards

From Simon Horman:
Second round of Renesas ARM-based SoC board changes for v3.9

* Fix to correct timer initialisation on the armadillo 800 eva board
  from Hideki EIRAKU

* The remaining of the changes relate to updating boards to
  make use of gpio_request_one(). These changes are from  Laurent Pinchart.

* tag 'renesas-boards2-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: armadillo800eva: set clock rates before timer init
  ARM: shmobile: mackerel: Use gpio_request_one()
  ARM: shmobile: kzm9g: Use gpio_request_one()
  ARM: shmobile: bonito: Use gpio_request_one()
  ARM: shmobile: kota2: Use gpio_request_one()
  ARM: shmobile: armadillo800eva: Use gpio_set_value() to set GPIO value
  ARM: shmobile: armadillo800eva: Use gpio_request_one()
  ARM: shmobile: ap4evb: Use gpio_request_one()
  ARM: shmobile: ag5evm: Use gpio_request_one()

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-31 19:35:51 -08:00
Rob Herring
63fc1370c1 ARM: highbank: mask cluster id from cpu_logical_map
With commit a0ae0240 (ARM: kernel: add device tree init map function),
the cpu id value may include the cluster id and is no longer 0-3, so we
need to mask it now to get the right hard cpu index.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2013-01-31 13:54:30 -06:00
Rob Herring
c7d5b93e98 ARM: scu: mask cluster id from cpu_logical_map
With commit a0ae0240 (ARM: kernel: add device tree init map function),
the cpu id value may include the cluster id and is no longer 0-3, so we
need to mask it in scu_power_mode to get the local cpu number. Since we
are only dealing with the cpu we are running on, the cluster id should
not ever be needed.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2013-01-31 13:54:16 -06:00
Rob Herring
eed8812387 ARM: scu: add empty scu_enable for !CONFIG_SMP
Add an empty version of scu_enable for !SMP builds. This fixes
compile error for highbank suspend code on !SMP builds.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2013-01-31 13:06:50 -06:00
Jason Cooper
222922189c mvebu drivers for v3.9
- use rtc-mv in mvebu armv7 SoCs
  - add pci-e hotplug for kirkwood
 
 Depends on:
  - tags/mvebu_fixes_for_v3.8-rc6
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Merge tag 'tags/drivers_for_v3.9' into mvebu/boards

mvebu drivers for v3.9
 - use rtc-mv in mvebu armv7 SoCs
 - add pci-e hotplug for kirkwood

Depends on:
 - tags/mvebu_fixes_for_v3.8-rc6
2013-01-31 17:38:48 +00:00
Jason Cooper
de7c007ff6 cleanup for v3.9 round2
- remove unneeded #includes for mach-dove
  - remove unneeded #includes and code for the nsa310
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Merge tag 'tags/cleanup_for_v3.9_round2' into mvebu/boards

cleanup for v3.9 round2
 - remove unneeded #includes for mach-dove
 - remove unneeded #includes and code for the nsa310
2013-01-31 17:38:38 +00:00
Jason Cooper
36cf1ef87e fixes for v3.8-rc6
- add missing gpio interrupt lines to dove dt
  - fix bad logic for printing MPP error message on orion boards
  - build proper serial port driver after changing mvebu DT compatible property
    - This is a change to mvebu_defconfig that I wouldn't usually push out as a
      fix.  However, the commit
 
      b24212f arm: mvebu: Use dw-apb-uart instead of ns16650 as UART driver
 
      changed the serial driver for the board in the dts file.  without the patch
      I've included in this pull, users won't see any log messages.
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Merge tag 'tags/mvebu_fixes_for_v3.8-rc6' into mvebu/boards

fixes for v3.8-rc6

 - add missing gpio interrupt lines to dove dt
 - fix bad logic for printing MPP error message on orion boards
 - build proper serial port driver after changing mvebu DT compatible property
   - This is a change to mvebu_defconfig that I wouldn't usually push out as a
     fix.  However, the commit

     b24212f arm: mvebu: Use dw-apb-uart instead of ns16650 as UART driver

     changed the serial driver for the board in the dts file.  without the patch
     I've included in this pull, users won't see any log messages.
2013-01-31 17:38:25 +00:00
Afzal Mohammed
0c3c22f9c5 ARM: OMAP AM33XX: clock data: SET_RATE_PARENT in lcd path
LCDC clock node is a one that does not have set rate capability. It
just passes on the rate that is sent downstream by it's parent. While
lcdc clock parent and it's grand parent - dpll_disp_m2_ck and
dpll_disp_ck has the capability to configure rate.

And the default rates provided by LCDC clock's ancestors are not
sufficient to obtain pixel clock for current LCDC use cases, hence
currently display would not work on AM335x SoC's (with driver
modifications in platfrom independent way).

Hence inform clock framework to propogate set rate for LCDC clock as
well as it's parent - dpll_disp_m2_ck. With this change, set rate on
LCDC clock would get propogated till dpll_disp_ck via dpll_disp_m2_ck,
hence allowing the driver (same driver is used in DaVinci too) to set
rates using LCDC clock without worrying about platform dependent clock
details.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-01-31 10:17:37 -07:00
Andrew Lunn
9cfc94eb0f cpuidle: kirkwood: Move out of mach directory
Move the Kirkwood cpuidle driver out of arch/arm/mach-kirkwood and
into drivers/cpuidle. Convert the driver into a platform driver.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-01-31 17:01:37 +00:00
Afzal Mohammed
601155b04c ARM: OMAP2+: clock data: add DEFINE_STRUCT_CLK_FLAGS helper
DEFINE_STRUCT_CLK does not have the capability to set flags, define
DEFINE_STRUCT_CLK_FLAGS to handle flags. This is needed to add
SET_RATE_PARENT flag in statically defined lcd clock in am335x.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-01-31 09:27:49 -07:00
Afzal Mohammed
bb0b7320a7 ARM: OMAP2+: dpll: am335x - avoid freqsel
am335x does not have freqsel, avoid it.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-01-31 09:24:52 -07:00
Mark Rutland
8a4da6e36c arm: arch_timer: move core to drivers/clocksource
The core functionality of the arch_timer driver is not directly tied to
anything under arch/arm, and can be split out.

This patch factors out the core of the arch_timer driver, so it can be
shared with other architectures. A couple of functions are added so
that architecture-specific code can interact with the driver without
needing to touch its internals.

The ARM_ARCH_TIMER config variable is moved out to
drivers/clocksource/Kconfig, existing uses in arch/arm are replaced with
HAVE_ARM_ARCH_TIMER, which selects it.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
2013-01-31 15:51:49 +00:00
Mark Rutland
b2deabe3ba arm: arch_timer: add arch_counter_set_user_access
Several bits in CNTKCTL reset to 0, including PL0VTEN. For architectures
using the generic timer which wish to have a fast gettimeofday vDSO
implementation, these bits must be set to 1 by the kernel. For
architectures without a vDSO, it's best to leave the bits set to 0 for
now to ensure that if and when support is added, it's implemented sanely
architecture wide.

As the bootloader might set PL0VTEN to a value that doesn't correspond
to that which the kernel prefers, we must explicitly set it to the
architecture port's preferred value.

This patch adds arch_counter_set_user_access, which sets the PL0 access
permissions to that required by the architecture. For arch/arm, this
currently means disabling all userspace access.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
2013-01-31 15:51:39 +00:00
Mark Rutland
1ba1cefc27 arm: arch_timer: divorce from local_timer api
Currently, the arch_timer driver is tied to the arm port, as it relies
on code in arch/arm/smp.c to setup and teardown timers as cores are
hotplugged on and off. The timer is registered through an arm-specific
registration mechanism, preventing sharing the driver with the arm64
port.

This patch moves the driver to using a cpu notifier instead, making it
easier to port.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2013-01-31 15:51:38 +00:00
Mark Rutland
4580104222 arm: arch_timer: add isbs to register accessors
Without the isbs in arch_timer_get_cnt{p,v}ct the cpu may speculate
reads and return stale values. This could be bad for code sensitive to
changes in expected deltas between calls (e.g. the delay loop).

Without isbs in arch_timer_reg_write the processor may reorder
instructions around enabling/disabling of the timer or writing the
compare value, which we probably don't want.

This patch adds isbs to prevent those issues.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
2013-01-31 15:51:23 +00:00
Mark Rutland
ec944c93a2 arm: arch_timer: factor out register accessors
Currently the arch_timer register accessors are thrown together with
the main driver, preventing us from porting the driver to other
architectures.

This patch moves the register accessors into a header file, as with
the arm64 version. Constants required by the accessors are also moved.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2013-01-31 15:51:22 +00:00
Mark Rutland
fd5583a4c2 arm: arch_timer: split cntfrq accessor
The CNTFRQ register is not duplicated for physical and virtual timers,
and accessing it as if it were is confusing.

Instead, use a separate accessor which doesn't take the access type
as a parameter.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2013-01-31 15:51:22 +00:00
Mark Rutland
b8e243431f arm: arch_timer: standardise counter reading
We're currently inconsistent with respect to our accesses to the
physical and virtual counters, mixing and matching the two.

This patch introduces and uses a function pointer for accessing the
correct counter based on whether we're using physical or virtual
interrupts. All current accesses to the counter accessors are redirected
through it.

When the driver is moved out to drivers/clocksource, there's the
possibility that code called before the timer code is initialised will
attempt to call arch_timer_read_counter (e.g. sched_clock for AArch64).
To avoid having to have to check whether the timer has been initialised
either in arch_timer_read_counter or one of it's callers, a default
implementation is assigned that simply returns 0.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
2013-01-31 15:51:06 +00:00
Mark Rutland
ef01c1d148 arm: arch_timer: use u64/u32 for register data
To ensure the correct size of types, use u64 for the return value of
arch_timer_get_cnt{p,v}ct, and u32 for arch_timer_rate, matching the
size of the registers these values are taken from. While we're changing
them anyway, simplify the implementation of arch_timer_get_cnt{p,v}ct.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2013-01-31 15:51:05 +00:00
Mark Rutland
ef201de430 arm: arch_timer: remove redundant available check
This check is a holdover from the pre-devicetree days. As the timer
is not probed except by platforms which register it via devicetree,
it's not strictly necessary.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
2013-01-31 15:51:05 +00:00
Mark Rutland
2b55d10c46 arm: arch_timer: balance device_node refcounting
When we get the device_node for the arch timer, it's refcount is
automatically incremented in of_find_matching_node, but it is
never decremented.

This patch decrements the refcount on the node after we're finished
using it.

Reported-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
2013-01-31 15:50:56 +00:00
Maxime Ripard
0943b96058 ARM: mxs: dts: Add rotary encoder to the CFA-10049
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-01-31 22:31:19 +08:00
Maxime Ripard
a640cf64ff ARM: mxs: dts: Add gpio-keys for the rotary to the CFA-10049
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-01-31 22:31:11 +08:00
Sebastian Hesselbarth
b3af7a1ffd ARM: dove: cleanup includes
This patch cleans unneccessary includes and reorders the remaining
includes in common dove code.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-01-31 14:23:21 +00:00
Jason Cooper
7e5fa2f0aa ARM: kirkwood: nsa310: cleanup includes and unneeded code
After removing the unneeded linux/i2c.h, linux/of.h was needed for
of_machine_is_compatible().  i2c.h had included of.h.

Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-01-31 14:23:20 +00:00
Abhilash Kesavan
d3fcacf52d ARM: SAMSUNG: Gracefully exit on suspend failure
As per the Exynos5250 User Manual:
When there are pending interrupt events, WFI/WFE instruction are
ignored. To cancel the power-down sequence follow these steps:
1) Disable system power-down using CENTRAL_SEQ_CONFIGURATION register
2) Clear WAKEUP_STAT register
3) Enable interrupt service routine for CPU

Code for early wakeup for exynos already exists. Remove the panic
on suspend failure, clear the wakeup state register and return 1
from cpu_suspend to indicate a failed suspend (to a user daemon).

Older Samsung SoCs have similar panics and I have removed them all.
Haven't touched the S3C2410 sleep code.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-01-30 22:28:05 -08:00
Chen Gang
8baaa265c5 ARM: SAMSUNG: using vsnprintf instead of vsprintf for the limit buffer length 256
the buff is 256 limited, so need use vsnprintf instead of vsprintf

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: Ben Dooks <ben@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-01-30 22:28:05 -08:00
Sachin Kamat
29fb58dc3c ARM: S3C24XX: Make 'clk_msysclk' static
Fixes the following warning:
arch/arm/mach-s3c24xx/common-s3c2443.c:135:19: warning:
symbol 'clk_msysclk' was not declared. Should it be static?

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-01-30 22:28:04 -08:00
Tony Lindgren
0e084c9c84 Several OMAP2+ power management fixes, optimizations, and cleanup.
This series is a prerequisite for the functional powerdomain
 conversion series.
 
 Basic test logs for this branch are here:
 
     http://www.pwsan.com/omap/testlogs/pm_cleanup_fixes_3.9/20130129150017/
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Merge tag 'omap-cleanup-b-for-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.9/pm

Several OMAP2+ power management fixes, optimizations, and cleanup.
This series is a prerequisite for the functional powerdomain
conversion series.

Basic test logs for this branch are here:

    http://www.pwsan.com/omap/testlogs/pm_cleanup_fixes_3.9/20130129150017/
2013-01-30 14:03:05 -08:00
Tony Lindgren
27e0bf7701 Merge branch 'peter/for-tony' of git://gitorious.org/omap-audio/linux-audio into omap-for-v3.9/twl 2013-01-30 13:21:35 -08:00
Jason Gunthorpe
b73690c8f8 ARM: Kirkwood: Support basic hotplug for PCI-E
Unconditionally register the PCI-E bus, even if the link is currently
down. When the link is brought up the bus can be scanned through
/sys/bus/pci/rescan or otherwise. Since the HW has no interrupt for
link up, userspace will have to take care of the timing.

An earlier version of this was contingent on CONFIG_HOTPLUG, but
that is being removed from the kernel.

This also fixes printing the link up/down message to be displayed
on one line (structured logging broke this?)

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-01-30 20:13:38 +00:00
Jason Cooper
183cadc962 fixes for v3.8-rc6
- add missing gpio interrupt lines to dove dt
  - fix bad logic for printing MPP error message on orion boards
  - build proper serial port driver after changing mvebu DT compatible property
    - This is a change to mvebu_defconfig that I wouldn't usually push out as a
      fix.  However, the commit
 
      b24212f arm: mvebu: Use dw-apb-uart instead of ns16650 as UART driver
 
      changed the serial driver for the board in the dts file.  without the patch
      I've included in this pull, users won't see any log messages.
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Merge tag 'tags/mvebu_fixes_for_v3.8-rc6' into mvebu/drivers

fixes for v3.8-rc6

 - add missing gpio interrupt lines to dove dt
 - fix bad logic for printing MPP error message on orion boards
 - build proper serial port driver after changing mvebu DT compatible property
   - This is a change to mvebu_defconfig that I wouldn't usually push out as a
     fix.  However, the commit

     b24212f arm: mvebu: Use dw-apb-uart instead of ns16650 as UART driver

     changed the serial driver for the board in the dts file.  without the patch
     I've included in this pull, users won't see any log messages.
2013-01-30 20:12:25 +00:00
Patrice Chotard
3c93799378 pinctrl/abx500: add AB8500 sub-driver
This adds a subdriver for the AB8500 pinctrl portions.
As the pin controller (also the ABx500 controllers) is an
inherent part of the SoC and will prevent boot if not
available, select this from the Ux500 SoC Kconfig.

Acked-by: Olof Johansson <olof@lixom.net>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-30 20:42:40 +01:00
Patrice Chotard
0493e64930 pinctrl: add abx500 pinctrl driver core
This adds the AB8500 core driver, which will be utilized by
the follow-on drivers for different ABx500 variants.
Sselect the driver from the DBX500_SOC, as this chip is
powering and clocking that SoC.

Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-30 20:42:14 +01:00
Linus Walleij
1728c96d3d ARM: ux500: select the DB8540 pin controller
The pin controller is an inherent part of the SoC, without
it the system will not boot, thus it needs to be selected
from Kconfig.

Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-30 20:42:05 +01:00
Lee Jones
627c1a8239 ARM: ux500: correct typo in pinctrl Device Tree node
The preference is to use '-' instead of '_' in compatible strings.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-30 19:10:07 +01:00
Olof Johansson
3e93093ecd Versatile Express related driver updates for 3.9:
* Move sp810 header to a more generic location,
   mainly to share it with arm64
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Merge tag 'vexpress/drivers-for-3.9' of git://git.linaro.org/people/pawelmoll/linux into next/drivers

From Pawel Moll:
Versatile Express related driver updates for 3.9:
* Move sp810 header to a more generic location,
  mainly to share it with arm64

* tag 'vexpress/drivers-for-3.9' of git://git.linaro.org/people/pawelmoll/linux:
  arm: Move sp810.h to include/linux/amba/
  + Linux 3.8-rc5

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-30 10:04:56 -08:00
Olof Johansson
825bf91edc Two little Device Tree fixes for USART on at91sam9x5.
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Merge tag 'at91-fixes' of git://github.com/at91linux/linux-at91 into fixes

From Nicolas Ferre:
Two little Device Tree fixes for USART on at91sam9x5.

* tag 'at91-fixes' of git://github.com/at91linux/linux-at91:
  ARM: at91/at91sam9x5.dtsi: fix usart3 TXD
  ARM: at91: at91sam9x5: fix usart3 pinctrl name
2013-01-30 09:37:10 -08:00
Catalin Marinas
da660b4a3b arm: Move sp810.h to include/linux/amba/
Since it is now used by code under drivers/clk/ it makes sense for this
file to be in a more generic location. This is required for building
vexpress support on arm64.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
2013-01-30 15:55:45 +00:00
Shawn Guo
e5f9dec8ff ARM: imx6q: support WAIT mode using cpuidle
Add WAIT mode (ARM core clock gating) support to imx6q cpuidle driver.
As WAIT mode is broken on imx6q TO 1.0 and 1.1, it only enables the
support for revision 1.2 with chicken bit set.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-01-30 21:09:31 +08:00
Shawn Guo
12bb344074 ARM: imx: move imx6q_cpuidle_driver into a separate file
Move imx6q_cpuidle_driver into a separate file as more codes will
be added when WAIT mode gets implemented as cpuidle.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-01-30 21:08:42 +08:00
Shawn Guo
485863b8fa ARM: imx: mask gpc interrupts initially
Mask gpc interrupts initially to avoid suspicious interrupts.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-01-30 21:08:34 +08:00
Shawn Guo
eea8e326ff ARM: imx: return zero in case next event gets a large increment
The return of v2_set_next_event() will lead to an infinite loop in
tick_handle_oneshot_broadcast() - "goto again;" with imx6q WAIT mode
(to be enabled).  This happens because when global event did not expire
any CPU local events, the broadcast device will be rearmed to a CPU
local next_event, which could be far away from now and result in a
max_delta_tick programming in set_next_event().

Fix the problem by detecting those next events with increments larger
than 0x7fffffff, and simply return zero in that case.

It leaves mx1_2_set_next_event() unchanged since only v2_set_next_event()
will be running with imx6q WAIT mode support.

Thanks Russell King for helping understand the problem.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-01-30 21:08:08 +08:00
Douglas Gilbert
7d4cfece23 ARM: at91/at91sam9x5.dtsi: fix usart3 TXD
Comment for usart3 TXD (TXD3) is correct, dt code is wrong.

Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-01-30 10:09:17 +01:00
Robert Nelson
65a0fe0488 ARM: at91: at91sam9x5: fix usart3 pinctrl name
The renaming of pinctrl_uart3 to pinctrl_usart3 was missed in
commit 9e3129e (ARM: at91: fix usart/uart namimg in pinctrl).

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-01-30 10:05:25 +01:00
Hideki EIRAKU
2f27c40656 ARM: shmobile: armadillo800eva: set clock rates before timer init
Previously clock rates were set after initialization of timer.
Therefore the timer used the default extal1 clock rate (25MHz)
instead of the correct rate for this board (24MHz).

Signed-off-by: Hideki EIRAKU <hdk@igel.co.jp>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-01-30 13:24:07 +09:00
Ulrich Hecht
dc784e73b4 ARM: mach-shmobile: sh73a0: allow unplugging of CPU0
sh73a0 deals fine with disabling any core, so we should permit it.

Signed-off-by: Ulrich Hecht <ulrich.hecht@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-01-30 13:07:59 +09:00
Ulrich Hecht
0f234d91b8 ARM: mach-shmobile: add shmobile_cpu_disable_any()
Method to disable any core to be used on platforms where CPU0 does not
need special treatment.

Signed-off-by: Ulrich Hecht <ulrich.hecht@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-01-30 13:07:59 +09:00
Olof Johansson
db1c8172ee Merge branch 'zynq/timer' of git://git.xilinx.com/linux-xlnx into next/cleanup
From Michal Simek, this is a series of cleanups to timer code on zynq platforms.

* 'zynq/timer' of git://git.xilinx.com/linux-xlnx:
  arm: zynq: timer: Set clock_event cpumask
  arm: zynq: timer: Fix comment style
  arm: zynq: timer: Remove redundant #includes
  arm: zynq: timer: Align columns
  arm: zynq: timer: Remove unused #defines
  arm: zynq: timer: Remove unnecessary register write
  arm: zynq: timer: Replace PSS through PS
  arm: zynq: Add missing irqchip.h to common.c
2013-01-29 18:09:18 -08:00
Olof Johansson
0b79f2772a Removal of the <mach/id.h> include from ux500
- First an ACKed MFD patch deleting the only consumer
   of these cpu_is* functions outside of mach-ux500
 - Introduce a new local cpu_is_u8580() in this patch
   set to avoid clashing with other patch sets.
 - Finally de-globalize <mach/id.h>.
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Merge tag 'ux500-no-idh' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/cleanup

From Linus Walleij:
Removal of the <mach/id.h> include from ux500
- First an ACKed MFD patch deleting the only consumer
  of these cpu_is* functions outside of mach-ux500
- Introduce a new local cpu_is_u8580() in this patch
  set to avoid clashing with other patch sets.
- Finally de-globalize <mach/id.h>.

* tag 'ux500-no-idh' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: ux500: de-globalize <mach/id.h>
  ARM: ux500: Introduce cpu_is_u8580()
  mfd: prcmu: delete pin control helpers

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 16:06:03 -08:00
Olof Johansson
6f7246b272 Versatile Express related fixes for 3.9
* Correct interrupt definitions for WDT node in
   V2P-CA15 and V2P-CA15_A7 Device Trees
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Merge tag 'vexpress/fixes-for-3.9' of git://git.linaro.org/people/pawelmoll/linux into next/fixes-non-critical

From Pawel Moll:
Versatile Express related fixes for 3.9
* Correct interrupt definitions for WDT node in
  V2P-CA15 and V2P-CA15_A7 Device Trees

* tag 'vexpress/fixes-for-3.9' of git://git.linaro.org/people/pawelmoll/linux:
  ARM: vexpress: Fix wdt interrupt in ca15{-tc1,_a7} dts

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 15:34:14 -08:00
Olof Johansson
1576a31c61 cleanup for v3.9 round2
- remove unneeded #includes for mach-dove
  - remove unneeded #includes and code for the nsa310
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Merge tag 'cleanup_for_v3.9_round2' of git://git.infradead.org/users/jcooper/linux into next/cleanup

From Jason Cooper:
cleanup for v3.9 round2
 - remove unneeded #includes for mach-dove
 - remove unneeded #includes and code for the nsa310

* tag 'cleanup_for_v3.9_round2' of git://git.infradead.org/users/jcooper/linux:
  ARM: dove: cleanup includes
  ARM: kirkwood: nsa310: cleanup includes and unneeded code
2013-01-29 14:53:13 -08:00
Paul Walmsley
562e54d13b ARM: OMAP2+: powerdomain: fix whitespace, improve flag comments
Fix some whitespace problems introduced by commit
da03ce65b5 ("OMAP3: powerdomain data:
add voltage domains").  Also, improve the documentation for the struct
powerdomain.flags field.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
2013-01-29 14:59:58 -07:00
Paul Walmsley
9249387019 ARM: OMAP2+: clockdomain: convert existing atomic usecounts into spinlock-protected shorts/ints
The atomic usecounts seem to be confusing, and are no longer needed
since the operations that they are attached to really should take
place under lock.  Replace the atomic counters with simple integers,
protected by the enclosing powerdomain spinlock.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
2013-01-29 14:59:58 -07:00
Paul Walmsley
65958fb6ca ARM: OMAP2+: clockdomain: work on wkdep/sleepdep functions
Split the clkdm_(add|del)_(wk|sleep)dep() functions into lockless and
locking versions -- this will be needed in a subsequent patch.  Also,
while here, remove the leading underscore, since these are not
currently static functions.  And for functions that have
kerneldoc-style comment blocks, but which are missing the initial
'/**' tag, fix the tag to indicate that they are kerneldoc.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-01-29 14:59:57 -07:00
Paul Walmsley
cc3af91b50 ARM: OMAP2xxx: CM: remove autodep handling
There's no need to preserve the autodep handling code in
mach-omap2/cm2xxx.c, since no autodeps are defined for these chips.
Hopefully they'll never be needed, but if in some future case they are,
this code can be added back in.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-01-29 14:59:57 -07:00
Paul Walmsley
3a09028405 ARM: OMAP2+: powerdomain/clockdomain: add a per-powerdomain spinlock
Add a per-powerdomain spinlock.  Use that instead of the clockdomain
spinlock.  Add pwrdm_lock()/pwrdm_unlock() functions to allow other
code to acquire or release the powerdomain spinlock without reaching
directly into the struct powerdomain.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Jean Pihet <jean.pihet@newoldbits.com>
2013-01-29 14:59:57 -07:00
Paul Walmsley
c4978fba6b ARM: OMAP2+: PM/powerdomain: move omap_set_pwrdm_state() to powerdomain code
Move omap_set_pwrdm_state() from the PM code to the powerdomain code,
and refactor it to split it up into several functions.  A subsequent patch
will rename it to conform with the existing powerdomain function names.

This version includes some additional documentation, based on a
suggestion from Jean Pihet.  It also modifies omap_set_pwrdm_state()
to not bail out early unless both the powerdomain current power state
and the next power state are equal.  (Previously it would terminate
early if the next power state was equal to the target power state,
which was insufficiently rigorous.)

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Jean Pihet <jean.pihet@newoldbits.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Tero Kristo <t-kristo@ti.com>
2013-01-29 14:59:57 -07:00
Paul Walmsley
f8457c2d8b ARM: OMAP2: PM/powerdomain: drop unnecessary pwrdm_wait_transition()
Drop an unnecessary pwrdm_wait_transition() from mach-omap2/pm.c -
it's called by the subsequent pwrdm_state_switch().

Also get rid of pwrdm_wait_transition() in the powerdomain code - there's
no longer any need to export this function.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
2013-01-29 14:59:57 -07:00
Paul Walmsley
f653b29825 ARM: OMAP2xxx: PM: clean up some crufty powerstate programming code
Don't attempt to put clockdomains to sleep; this should be handled by the
clock framework.  It should be enough to program the next-power-state,
and then let the code in omap_pm_clkdms_setup() deal with the rest.

Start out by programming the MPU and CORE powerdomains to stay ON.
Then control the MPU and CORE powerdomain states directly in
omap2_enter_full_retention() and omap2_enter_mpu_retention().  Not the
most optimal way to do it, but certainly is the most conservative until
OMAP2xxx PM is working again.

Get rid of the open-coded PM_PWSTCTRL_MPU writes in
omap2_enter_mpu_retention(); use the powerdomain code instead.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
2013-01-29 14:59:57 -07:00
Paul Walmsley
53e1cb469e ARM: OMAP2+: clockdomain: add pwrdm_state_switch() call to clkdm_sleep()
In clkdm_sleep(), the powerdomain should be eligible to switch power
states right after the call to the low-level clockdomain sleep
function.  We should have been tracking that with the
pwrdm_state_switch() code, but we weren't, for whatever reason.  Fix that.

This resolves the "pwrdm state mismatch(cam_pwrdm) 3 != 0" that appears
during the OMAP4460 Pandaboard-ES PM test, e.g. here:

http://www.pwsan.com/omap/testlogs/test_v3.8-rc5/20130126003323/pm/4460pandaes/4460pandaes_log.txt

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
2013-01-29 14:59:57 -07:00
Jean Pihet
c165a14023 ARM: OMAP2+: powerdomain: fix powerdomain trace integration
Fix the trace in the case a power domain did not hit the desired
state, as reported by Paul Walmsley.

Reported-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Jean Pihet <j-pihet@ti.com>
[paul@pwsan.com: split this fix off from the patch
 "ARM: OMAP2+: PM debug: trace the functional power domains states"]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-01-29 14:59:57 -07:00
Paul Walmsley
32d174ed1b ARM: OMAP4: MPUSS PM: remove unnecessary shim functions for powerdomain control
The OMAP4 MPU subsystem power management code contains several unnecessary
shim functions for powerdomain control; remove them.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2013-01-29 14:59:56 -07:00
Paul Walmsley
1cd96478cf ARM: OMAP3xxx: CPUIdle: optimize __omap3_enter_idle()
Avoid programming the MPU and CORE powerdomain next-power-state
registers if those powerdomains will never enter low-power states
(e.g., the state that people refer to as "C1").

To avoid making assumptions about CPUIdle states based on their order
in the list, use a flag to mark CPUIdle states that don't enter
powerdomain low-power states.

Avoid a previous-power-state register read on the MPU powerdomain
unless we know that the MPU was supposed to go OFF during the last
state transition.  Previous-power-state register reads can be very
expensive, so it's worth avoiding these when possible.

Since the CORE_L3 clockdomain can't go inactive unless the MPU is active,
there's little point blocking autoidle on the CORE_L3 clockdomain in "C1"
state, since we've programmed the MPU clockdomain to stay active.
Remove the unnecessary code.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
2013-01-29 14:59:56 -07:00
Sebastian Hesselbarth
63a069739a ARM: dove: cleanup includes
This patch cleans unneccessary includes and reorders the remaining
includes in common dove code.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-01-29 21:31:36 +00:00
Jason Cooper
92cb76254f ARM: kirkwood: nsa310: cleanup includes and unneeded code
After removing the unneeded linux/i2c.h, linux/of.h was needed for
of_machine_is_compatible().  i2c.h had included of.h.

Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-01-29 19:37:30 +00:00
Michal Simek
00f4c14d18 arm: zynq: Add missing irqchip.h to common.c
The patch: "ARM: use common irqchip_init for GIC init"
(sha1: 0529e315bb)
should also add linux/irqchip.h header.

Error message:
arch/arm/mach-zynq/common.c:99:14: error: 'irqchip_init'
  undeclared here (not in a function)

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 10:55:28 -08:00
Olof Johansson
89e19ffac1 fixes for v3.8-rc6
- add missing gpio interrupt lines to dove dt
  - fix bad logic for printing MPP error message on orion boards
  - build proper serial port driver after changing mvebu DT compatible property
    - This is a change to mvebu_defconfig that I wouldn't usually push out as a
      fix.  However, the commit
 
      b24212f arm: mvebu: Use dw-apb-uart instead of ns16650 as UART driver
 
      changed the serial driver for the board in the dts file.  without the patch
      I've included in this pull, users won't see any log messages.
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Merge tag 'mvebu_fixes_for_v3.8-rc6' of git://git.infradead.org/users/jcooper/linux into fixes

From Jason Cooper:
fixes for v3.8-rc6

 - add missing gpio interrupt lines to dove dt
 - fix bad logic for printing MPP error message on orion boards
 - build proper serial port driver after changing mvebu DT compatible property
   - This is a change to mvebu_defconfig that I wouldn't usually push out as a
     fix.  However, the commit

     b24212f arm: mvebu: Use dw-apb-uart instead of ns16650 as UART driver

     changed the serial driver for the board in the dts file.  without the patch
     I've included in this pull, users won't see any log messages.

* tag 'mvebu_fixes_for_v3.8-rc6' of git://git.infradead.org/users/jcooper/linux:
  arm: mvebu: i2c come back in defconfig
  arm: plat-orion: fix printing of "MPP config unavailable on this hardware"
  Dove: activate GPIO interrupts in DT
2013-01-29 10:36:43 -08:00
Heiko Stuebner
1f629b7a3c ARM: S3C24XX: transform irq handling into a declarative form
The irqs available on the machine and even the bit settings in the
irq registers differ a lot through all the s3c24xx subarchitectures.
This results in each subarch having its own irq init which adds its
specific irqs to the base ones created in plat-s3c24xx/irq.c.

This of course makes a future move to devicetree hard to implement.

Therefore this patch transforms the base irq handling to a declarative
style, where the irq types as well as its parent/child relationship
gets read from a predefined datastructure, which later on can hopefully
be easily represented in devicetree too.

It should also be easy to include the subarch specific irqs here
in later patches, reducing code size and duplication.

It should not affect anything outside of the file, as the original
irq numbers and their handling are preserved (hopefully) correctly.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-01-29 10:25:22 -08:00
Olof Johansson
d0ccc8a348 Merge branch 'v3.8-samsung-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
From Kukjin Kim:
This fixes compatible values for exynos pinctrl and crash on soft reset,
tick and alarm irq numbers on exynos5440 and uninitialized variable on
s3c24xx.

* 'v3.8-samsung-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Fix crash on soft reset on EXYNOS5440
  ARM: dts: fix tick and alarm irq numbers for exynos5440
  ARM: dts: fix compatible value for exynos pinctrl
  ARM: dts: Fix compatible value of pinctrl module on EXYNOS5440
  ARM: S3C24XX: fix uninitialized variable warning

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 10:21:05 -08:00
Mark Rutland
aab7da7086 ARM: vexpress: Fix wdt interrupt in ca15{-tc1,_a7} dts
As the wdt nodes have the gic as their interrupt-parent, their
interrupts property should be 3 cells in format described in the gic
devicetree binding document.

This patch fixes the interrupts property in the wdt nodes to be in the
correct format.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
2013-01-29 18:20:28 +00:00
Laxman Dewangan
031b77afc3 ARM: DT: tegra114: add pinmux DT entry
Add DT entry for pinmux and drive configuration addresses.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-29 11:02:15 -07:00
Laxman Dewangan
b16f9183c7 ARM: DT: tegra114: add GPIO DT entry
Tegra114 has the GPIO controllers with 8 GPIO bank and each bank
supports 32 pins.

Add DT entry for GPIO controller. Tegra114 GPIO controller is
compatible with Tegra30 GPIO controller driver.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-29 11:02:14 -07:00
Laxman Dewangan
20fd4806ab ARM: tegra114: select PINCTRL for Tegra114 SoC
Select PINCTRL and PINCTRL_TEGRA114 for enabling Tegra114 pincontrol
driver for Tegra114 SoC.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-29 11:02:14 -07:00
Joseph Lo
51dc5259e8 ARM: tegra: add Tegra114 ARM_CPUIDLE_WFI_STATE support
Adding the generic ARM_CPUIDLE_WFI_STATE support for Tegra114.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-29 11:01:23 -07:00
Hiroshi Doyu
2da139657b ARM: tegra: Add SMMU entry to Tegra114 DT
Add SMMU entry.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-29 11:01:14 -07:00
Hiroshi Doyu
3fbf07d80b ARM: dt: tegra30: Rename "smmu" to "iommu"
Use functional name for DT entry instead of h/w name.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-29 10:59:04 -07:00
Hiroshi Doyu
109269e878 ARM: dt: tegra20: Rename "gart" to "iommu"
Use functional name for DT entry instead of h/w name.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-29 10:58:58 -07:00
Olof Johansson
72e510e881 ARM: bcm2835: defconfig update
The SDHCI and I2C subsytems and drivers are enabled.
 
 Various filesystems are enabled for use with the SDHCI driver.
 
 Various other options expected by distros are enabled. This allows the
 "Raspbian" filesystem published by the Raspberry Pi Foundation to boot
 to a serial console prompt.
 
 This branch is based on v3.8-rc3.
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Merge tag 'bcm2835-for-3.9-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi into next/boards

From Stephen Warren:
ARM: bcm2835: defconfig update

The SDHCI and I2C subsytems and drivers are enabled.

Various filesystems are enabled for use with the SDHCI driver.

Various other options expected by distros are enabled. This allows the
"Raspbian" filesystem published by the Raspberry Pi Foundation to boot
to a serial console prompt.

This branch is based on v3.8-rc3.

* tag 'bcm2835-for-3.9-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi:
  ARM: bcm2835: defconfig updates

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 09:56:21 -08:00
Olof Johansson
e28c99a85b ARM: bcm2835: device tree updates
The SoC's SDHCI and MMC controllers are added to device tree, and enabled
 in the Raspberry Pi board device tree. Some fixed clocks are added to the
 device tree to support these drivers. These could be replaced by real
 clocks in the future.
 
 A hard-coded memreserve is removed from device tree; the bootloader should
 specify the correct memory node content instead, since the memory layout
 is dynamic.
 
 This branch is based on v3.8-rc3.
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Merge tag 'bcm2835-for-3.9-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi into next/dt

From Stephen Warren:
ARM: bcm2835: device tree updates

The SoC's SDHCI and MMC controllers are added to device tree, and enabled
in the Raspberry Pi board device tree. Some fixed clocks are added to the
device tree to support these drivers. These could be replaced by real
clocks in the future.

A hard-coded memreserve is removed from device tree; the bootloader should
specify the correct memory node content instead, since the memory layout
is dynamic.

This branch is based on v3.8-rc3.

* tag 'bcm2835-for-3.9-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi:
  ARM: bcm2835: fix clock node aliasing in device tree
  ARM: bcm2835: add I2C controllers to DT
  ARM: bcm2835: add SDHCI node to DT
  ARM: bcm2835 rpi: remove hard-coded memreserve from DT

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 09:55:28 -08:00
Olof Johansson
5d292ebf4b ARM: bcm2835: cleanup
This pull request simply converts the bcm2835 clocksource driver to use
 the recently added CLKSRC_OF feature.
 
 The branch is based on v3.8-rc3, followed by a merge of arm-soc's
 timer/cleanup branch.
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Merge tag 'bcm2835-for-3.9-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi into next/cleanup

From Stephen Warren:
ARM: bcm2835: cleanup

This pull request simply converts the bcm2835 clocksource driver to use
the recently added CLKSRC_OF feature.

The branch is based on v3.8-rc3, followed by a merge of arm-soc's
timer/cleanup branch.

* tag 'bcm2835-for-3.9-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi:
  ARM: bcm2835: make use of CLKSRC_OF

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 09:53:55 -08:00
Olof Johansson
6ed05a2aab ARM: bcm2835: SoC driver updates
The bcm2835 clock driver is enhanced to allow fixed clocks to be probed
 from device tree.
 
 A system power-off implementation is added.
 
 This branch is based on v3.8-rc3.
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Merge tag 'bcm2835-for-3.9-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi into next/soc

From Stephen Warren:
ARM: bcm2835: SoC driver updates

The bcm2835 clock driver is enhanced to allow fixed clocks to be probed
from device tree.

A system power-off implementation is added.

This branch is based on v3.8-rc3.

* tag 'bcm2835-for-3.9-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi:
  ARM: bcm2835: add a pm_power_off implementation
  clk: bcm2835: probe for fixed-clock in device tree

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 09:53:44 -08:00
Linus Walleij
7a4f26097d ARM: ux500: de-globalize <mach/id.h>
This removes the file <mach/id.h> from the global kernel include
scope, making it a pure mach-ux500 detail. All ASIC specifics
needed by drivers shall henceforth be passed from either platform
data or the device tree.

Cc: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-29 18:47:37 +01:00
Maxime Coquelin
b5bbd41784 ARM: ux500: Introduce cpu_is_u8580()
Detect the subrevision v1 of U8540 and U8580.

DB8580 is the FDSOI variant of DB8540. Some differences
with DB8540 related to clocks will need to be checked with
a cpu_is_u8580() function.

Signed-off-by: Maxime Coquelin <maxime.coquelin@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-29 18:47:37 +01:00
Olof Johansson
c1353ef200 I have left out the patch (ARM: dts: imx: use nodes label in board dts)
in question and other dts related changes, and will have them go via DT
 branch  to save the cross branch dependency.
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Merge tag 'imx-cleanup-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/cleanup

From Shawn Guo:

IMX cleanup for 3.9:
 * Remove lluart.c by using debug_ll_io_init()
 * Remove mach-mx51_3ds board support
 * Remove imx50 support which has been BROKEN for cycles
 * Other trival cleanups

* tag 'imx-cleanup-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: imx: Remove mx508 support
  ARM: imx: Remove mach-mx51_3ds board
  ARM: imx: use debug_ll_io_init() for imx6q
  ARM: imx: remove unused imx6q_clock_map_io()
  ARM: mach-imx: Kconfig: Do not select Babbage for MACH_IMX51_DT

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

Change/delete conflicts due to some of the previous sweeping cleanups in:
	arch/arm/mach-imx/mach-mx50_rdp.c
	arch/arm/mach-imx/mach-mx51_3ds.c
2013-01-29 09:41:02 -08:00
Olof Johansson
a6f243a4d6 Nomadik Device Tree conversion rebased on ARM SoC cleanup branch
This patch set converts the Nomadik (mach-nomadik) to
 Device Tree and delete the old board files, paving the
 road for single zImage.
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Merge tag 'nmk-dt-on-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into next/dt

From Linus Walleij:
Nomadik Device Tree conversion rebased on ARM SoC cleanup branch

This patch set converts the Nomadik (mach-nomadik) to
Device Tree and delete the old board files, paving the
road for single zImage.

* tag 'nmk-dt-on-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik:
  ARM: nomadik: get rid of <mach/hardware.h>
  ARM: nomadik: delete old board files
  ARM: nomadik: add I2C devices to the device tree
  ARM: nomadik: migrate MMC/SD card support to device tree
  ARM: nomadik: convert SMSC91x ethernet to device tree
  ARM: nomadik: move GPIO and pinctrl to device tree
  ARM: nomadik: add FSMC NAND
  ARM: nomadik: move remaining PrimeCells to device tree
  ARM: nomadik: move pin maps to cpu file
  ARM: nomadik: initial devicetree support
  ARM: nomadik: move last custom calls to pinctrl

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 09:35:42 -08:00
Olof Johansson
440f39a4fd Merge branch 'depends/cleanup' into next/dt 2013-01-29 09:35:27 -08:00
Olof Johansson
7734a93bf7 DaVinci DT changes for v3.9
This pull requests adds support for pinctrl, NAND
 and RTC support when DA850 is booting using DT.
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Merge tag 'davinci-for-v3.9/dt' of git://gitorious.org/linux-davinci/linux-davinci into next/dt

From Sekhar Nori:
DaVinci DT changes for v3.9

This pull requests adds support for pinctrl, NAND
and RTC support when DA850 is booting using DT.

* tag 'davinci-for-v3.9/dt' of git://gitorious.org/linux-davinci/linux-davinci:
  ARM: davinci: da850: add RTC DT entries
  ARM: davinci: da850: move interrupt-parent property to soc node
  ARM: davinci: da8xx defconfig: enable pinctrl config option
  ARM: davinci: da850: add NAND driver DT entries
  ARM: davinci: da850: add pinctrl driver DT entries
2013-01-29 09:28:59 -08:00
Olof Johansson
5edda2afb1 DaVinci board updates for v3.9
This pull request has defconfig changes which enable
 newer filesystems to boot on DaVinci and also enable
 runtime pm by default.
 
 Another patch is included to cleanup a checkpatch error
 in existing board files.
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Merge tag 'davinci-for-v3.9/board' of git://gitorious.org/linux-davinci/linux-davinci into next/boards

From Sekhar Nori:
DaVinci board updates for v3.9

This pull request has defconfig changes which enable
newer filesystems to boot on DaVinci and also enable
runtime pm by default.

Another patch is included to cleanup a checkpatch error
in existing board files.

* tag 'davinci-for-v3.9/board' of git://gitorious.org/linux-davinci/linux-davinci:
  ARM: davinci: da850 board: change pr_warning() to pr_warn()
  ARM: davinci: defconfig: enable pm_runtime
  ARM: davinci: defconfig: enable devtmpfs and devtmpfs automount

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 09:27:44 -08:00
Olof Johansson
3d7b2c6087 DaVinci SoC changes for v3.9
This pull request:
 
 1) Fixes a bug with the way SPI devices were registered on DA850
 2) Adds support for DSP clock and resetting the DSP on DA850
 3) Fixes checkpatch issue with some existing files.
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Merge tag 'davinci-for-v3.9/soc' of git://gitorious.org/linux-davinci/linux-davinci into next/soc

From Sekhar Nori:
DaVinci SoC changes for v3.9

This pull request:

1) Fixes a bug with the way SPI devices were registered on DA850
2) Adds support for DSP clock and resetting the DSP on DA850
3) Fixes checkpatch issue with some existing files.

* tag 'davinci-for-v3.9/soc' of git://gitorious.org/linux-davinci/linux-davinci:
  ARM: davinci: da850: add dsp clock definition
  ARM: davinci: psc: introduce reset API
  ARM: davinci: psc.c: change pr_warning() to pr_warn()
  ARM: davinci: devices-da8xx.c: change pr_warning() to pr_warn()
  ARM: davinci: da8xx_register_spi() should not register SPI board info

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 09:26:44 -08:00
Olof Johansson
0475e57fc3 Merge branch 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
From Simon Horman, a series of SoC updates for shmobile.

* 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: r8a7779: scif .irqs used SCIx_IRQ_MUXED()
  ARM: mach-shmobile: sh73a0: Initialise MMCIF using DT
  ARM: mach-shmobile: sh73a0: Minimal setup using DT
  ARM: mach-shmobile: sh73a0: Allow initialisation of GIC by DT
  ARM: SH-Mobile: sh73a0: Add CPU Hotplug
  ARM: SH-Mobile: sh73a0: Secondary CPUs handle own SCU flags
  ARM: shmobile: r8a7740: Add CPU sleep suspend
  ARM: shmobile: sh73a0: Add CPU sleep suspend
  ARM: shmobile: add function declarations for sh7372 DT helper functions
  ARM: sh7372: fix cache clean / invalidate order
  ARM: sh7372: add clock lookup entries for DT-based devices
  ARM: mach-shmobile: sh73a0 external IRQ wake update
  ARM: shmobile: sh73a0: fixup div4_clks bitmap
  ARM: shmobile: r8a7740: add TMU timer support
  ARM: shmobile: Remove duplicate inclusion of dma-mapping.h in setup-r8a7740.c

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

Fix trivial conflict in board_bcm due to Simon resolving the same conflict
with one less line of whitespace. Keeping end result common with what
we already have in arm-soc.

Conflicts:
	arch/arm/mach-bcm/board_bcm.c
2013-01-29 09:09:39 -08:00
Olof Johansson
51063a4ed9 Merge branch 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards
From Simon Horman, updates to a few shmobile boards.

* 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: Include sh73a0 DTSI in kzm9g
  ARM: shmobile: Include DTSI of r8a7740 to armadillo800eva
  ARM: shmobile: kzm9g: Use of_machine_is_compatible()
  ARM: shmobile: add sample amixer settings for armadillo800eva
  ARM: shmobile: add sample amixer settings for ap4evb
  ARM: shmobile: fix sample amixer settings for mackerel
  ARM: mackerel: include the correct .dtsi file

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 09:02:47 -08:00
Olof Johansson
95e0d11f2d Merge branch 'defconfig2' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards
From Simon Horman, two more defconfig updates for shmobile.

* 'defconfig2' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: mach-shmobile: mackerel:  enable VFP in defconfig
  ARM: mach-shmobile: armadillo: defconfig: Enable CEU
2013-01-29 09:00:24 -08:00
Olof Johansson
7e5fc77931 Merge branch 'pfc' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/sh-pinmux
From Simon Horman. Based on agreement between me, Paul Mundt, Linus
Walleij and Simon, we're mergning this large branch of pinctrl conversion
through arm-soc, even though it contains the corresponding conversions
for arch/sh. Main reason for this is tight dependencies (that will now
mostly be broken) between the arch/sh and mach-shmobile implementations.

There will be more of this in 3.10 to do device-tree bindings, but this is
the initial conversion.

* 'pfc' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (80 commits)
  sh-pfc: Move sh_pfc.h from include/linux/ to driver directory
  sh-pfc: Remove pinmux_info definition
  sh: Remove unused sh_pfc_register_info() function
  sh: shx3: pinmux: Use driver-provided pinmux info
  sh: sh7786: pinmux: Use driver-provided pinmux info
  sh: sh7785: pinmux: Use driver-provided pinmux info
  sh: sh7757: pinmux: Use driver-provided pinmux info
  sh: sh7734: pinmux: Use driver-provided pinmux info
  sh: sh7724: pinmux: Use driver-provided pinmux info
  sh: sh7723: pinmux: Use driver-provided pinmux info
  sh: sh7722: pinmux: Use driver-provided pinmux info
  sh: sh7720: pinmux: Use driver-provided pinmux info
  sh: sh7269: pinmux: Use driver-provided pinmux info
  sh: sh7264: pinmux: Use driver-provided pinmux info
  sh: sh7203: pinmux: Use driver-provided pinmux info
  ARM: shmobile: sh73a0: Use driver-provided pinmux info
  ARM: shmobile: sh7372: Use driver-provided pinmux info
  ARM: shmobile: r8a7779: Use driver-provided pinmux info
  ARM: shmobile: r8a7740: Use driver-provided pinmux info
  sh-pfc: Add shx3 pinmux support
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-01-29 08:56:25 -08:00
Maxime Ripard
1fe4274045 ARM: dts: mxs: Add the LCD to the 10049 board
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-01-29 18:23:25 +08:00
Maxime Ripard
d248620c9a ARM: dts: mxs: Add muxing options for the third PWM
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-01-29 18:23:18 +08:00