To avoid spamming the EC we calculate the time between the previous
transfer and the current transfer and force a delay if the time delta
is too small.
However, a small miscalculation causes the delay period to be
far too short. Most noticably this impacts commands with a long
turnaround time such as EC firmware reads and writes.
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Andrew Bresticker <abrestic@chromium.org>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Some output configurations can require a 50Mhz SYSCLK which requires
DCVDD to be 1.8V. This patch adds the registers necessary for
supporting this operational mode.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Currently, MICVDD only binds because it is both the regulator name and
the consumer name and we will always match against the regulator name
regardless of the consumer device. If the regulator was renamed using
the init_data ASoC will no longer be able to locate the supply, as it
will be looking on the CODEC device where as the MICVDD consumer is on
the Arizona device. Add a mapping as we do for the other regulators.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd_add_devices() expects array of struct mfd_cell to be const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Use devm_ioremap_resource() because devm_request_and_ioremap() is
obsoleted by devm_ioremap_resource().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This adds a driver for the Atmel Microcontroller found on the
iPAQ h3xxx series. This device handles some keys, the
touchscreen, and the battery monitoring.
This is a port of a driver from handhelds.org 2.6.21 kernel,
written by Alessandro Gardich based on Andrew Christians
original HAL-driver. It has been heavily cleaned and
converted to mfd-core by Dmitry Artamonow and rewritten
again for the v3.x series kernels by Linus Walleij,
bringing back some of the functionality lost from Andrew's
original driver.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Alessandro Gardich <gremlin@gremlin.it>
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The PRCM (Power/Reset/Clock Management) block exposes several subdevices
in different subsystems (clk, reset ...)
Add basic support for the PRCM unit with clk (AR100, AHB0, and APB0 clks)
and reset controller subdevices.
Other subdevices might be added later (if needed).
Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd_add_devices() expects array of struct mfd_cell to be const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Roger Tseng <rogerable@realtek.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Array of struct of_device_id may be be const as expected by
of_platform_populate() call.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Array of struct of_device_id may be be const as expected by
of_match_table field.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd_add_devices() expects array of struct mfd_cell to be const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd_add_devices() expects array of struct mfd_cell to be const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Array of struct of_device_id should be const as expected by both
of_match_table field and of_match_device() call.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Array of struct of_device_id may be be const as expected by both
of_match_table field and of_match_node() call.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd_add_devices() expects array of struct mfd_cell to be const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Array of struct of_device_id may be be const as expected by both
of_match_table field and of_match_node() call.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd_add_devices() expects array of struct mfd_cell to be const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Array of struct of_device_id may be be const as expected by
of_match_table field.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Array of struct of_device_id may be be const as expected by
of_match_table field.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The kempld_devs (array of mfd_cells) can be safely made const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Kevin Strasser <kevin.strasser@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Array of struct of_device_id may be be const as expected by both
of_match_table field and of_match_node() call.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Array of struct of_device_id may be be const as expected by
of_match_table field.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch removes platform data usage for codec and touchscreen
when driver is used with devicetree.
This fixes possible "null pointer dereference" error if DTS uses
"fsl,mc13xxx-uses-codec" or "fsl,mc13xxx-uses-touch" options.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
When the MCLK is 19.2 or 38.4 MHz the HPPLL need to be enabled and can be
put in bypass mode.
This will fix HPPLL use on boards with 19.2MHz mclk.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Make of_device_id array const, because all OF functions
handle it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Make of_device_id array const, because all OF functions
handle it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Make of_device_id array const, because all OF functions
handle it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Make of_device_id array const, because all OF functions
handle it as const.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch introduces the preliminary support for PMICs X-Powers AXP202
and AXP209. The AXP209 and AXP202 are the PMUs (Power Management Unit)
used by A10, A13 and A20 SoCs and developed by X-Powers, a sister company
of Allwinner.
The core enables support for two subsystems:
- PEK (Power Enable Key)
- Regulators
Signed-off-by: Carlo Caione <carlo@caione.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
If we pass syscon device node itself as first parameter to this function
there is no need to parse and find syscon device node. So by allowing
"property" parameter as NULL allow syscon_regmap_lookup_by_phandle to
consider passed argument "np" itself as a syscon device node "syscon_np".
This will help us in avoiding addition of "syscon" property in a device node
which points back to same device node in device tree.
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The pm8xxx read/write wrappers are no longer necessary now that
all the sub-device drivers are using the regmap API. Remove it.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
During suspend the IRQ should be disabled even if this is not a wakeup
source. This is a proper way of fixing the IRQ handling issue during
resume (IRQ handler fails because I2C bus did not resume yet).
When device is suspended and max14577 interrupt is signaled the irq chip
will try to handle it regardless of wakeup source. Device could be woken
up by different IRQ but still the IRQ handler will try to read the
registers over I2C bus and fail because I2C bus won't be ready yet:
max14577 2-0025: Failed to read IRQ status: -5
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
During suspend the IRQ should be disabled even if this is not a wakeup
source. This is a proper way of fixing the IRQ handling issue during
resume (IRQ handler fails because I2C bus did not resume yet).
When device is suspended and sec-core interrupt is signaled the irq chip
will try to handle it regardless of wakeup source. Device could be woken
up by different IRQ but still the IRQ handler will try to read the
registers over I2C bus and fail because I2C bus won't be ready yet.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The device type was stored in sec_pmic_dev state container twice:
- unsigned long type (initialized from of_device_id or i2c_device_id)
- int device_type (initialized as above or from board files when there
is no DTS)
The 'type' field was never used outside of probe so it can be safely
removed.
Change also the device_type in sec_pmic_dev and sec_platform_data to
unsigned long to avoid any casts.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Make sure that we patch the ACCCTL register as the first thing when the
driver loads, thus configuring I2C fast mode and i2c access for dual access
registers.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
In certain boards the source for the clk32k clock can be gated. In these
boards the clk32k clock can be provided to the driver and it is going to be
enabled/disabled when it is needed.
If the clk32k clock is not provided the driver will assume that it is always
running.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
All boards using twl6040 configures the i2c bus to 400KHz. While twl6040's
defaults to normal mode (100KHz). So far twl6040 has no problem with i2c
communication in this configuration it is safer to select fast i2c mode.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
If for some reason the boot loader enabled the audpwron GPIO we will have
pending IRQs to be handled. This seams to break twl6040 for some reason
leading to non working i2c communication (i2c timeouts). Clearing the INTID
register after we requested the audpwron GPIO (and set it to low) will
ensure that the chip will operate normally in this case as well.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The supply aliases for the MFD devices were being added using devres but
the device hasn't been added at this point and as such we can't use
devres.
The MFD already has a function that removes devices this patch uses the
non-devres versions of the supply alias functions and adds an unregister
in mfd_remove_devices_fn.
Reported-by: Carlo Caione <carlo@caione.org>
Reported-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The valid gpio is GPIO0 ~ GPIO58, so ngpio should be 59.
This patch also renames RDC321X_MAX_GPIO to RDC321X_NUM_GPIO because it
actually means the number of available GPIOs.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The rtc-s5m driver does not support all of S2M and S5M chipsets
supported by main MFD sec-core driver. For such chipsets unsupported by
rtc-s5m, the MFD sec-core driver initialized regmap with default config.
This config in such cases wouldn't work at all.
The main MFD sec-core driver shouldn't initialize regmap for child
drivers which is not used by them and even not valid.
Move the allocation of RTC I2C dummy device and initialization of RTC
regmap from main MFD sec-core driver to the rtc-s5m driver. The rtc-s5m
driver will use proper regmap config for supported devices.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This module has always been GPL licensed. It was just missing the explicit
declaration to avoid tainting the kernel.
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Panther Point PCH GPIO configuration is similar to V5 PCHs.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The isolation control register is required when DCVDD is externally
supplied add this in as a readable register.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
After request_threaded_irq() is called there is a chance that an interrupt
may occur before the 'mc13xxx->lock' is initialized, which will trigger a kernel
oops.
In order to prevent that, move the initialization of 'mc13xxx->lock' prior to
requesting the interrupts.
Suggested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
On systems with CONFIG_FRAME_WARN=1024, compiler warns the allocation of
an object of struct device on stack. Make the allocation dynamically to
fix the warning. Also change the caller's return type to int so as to
account for error handling.
drivers/mfd/abx500-core.c: In function ‘abx500_dump_all_banks’:
drivers/mfd/abx500-core.c:167:1: warning: the frame size of 1032 bytes
is larger than 1024 bytes [-Wframe-larger-than=]
Signed-off-by: Aurabindo J <mail@aurabindo.in>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds attributes to the Kontron PLD driver to allow
applications to retrieve firmware information.
Additionally the format has been changed to conform with the
representation in other Kontron software.
Signed-off-by: Michael Brunner <michael.brunner@kontron.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add missing mfd_remove_devices() call in remove function.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
A quite large set of SoC updates this cycle. In no particular order:
- Multi-cluster power management for Samsung Exynos, adding support for
big.LITTLE CPU switching on EXYNOS5
- SMP support for Marvell Armada 375 and 38x
- SMP rework on Allwinner A31
- Xilinx Zynq support for SOC_BUS, big endian
- Marvell orion5x platform cleanup, modernizing the implementation and
moving to DT.
- _Finally_ moving Samsung Exynos over to support MULTIPLATFORM, so
that their platform can be enabled in the same kernel binary as most
of the other v7 platforms in the tree. \o/ The work isn't quite complete,
there's some driver fixes still needed, but the basics now work.
New SoC support added:
- Freescale i.MX6SX
- LSI Axxia AXM55xx SoCs
- Samsung EXYNOS 3250, 5260, 5410, 5420 and 5800
- STi STIH407
Plus a large set of various smaller updates for different platforms. I'm
probably missing some important one here.
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Merge tag 'soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next
Pull part one of ARM SoC updates from Olof Johansson:
"A quite large set of SoC updates this cycle. In no particular order:
- Multi-cluster power management for Samsung Exynos, adding support
for big.LITTLE CPU switching on EXYNOS5
- SMP support for Marvell Armada 375 and 38x
- SMP rework on Allwinner A31
- Xilinx Zynq support for SOC_BUS, big endian
- Marvell orion5x platform cleanup, modernizing the implementation
and moving to DT.
- _Finally_ moving Samsung Exynos over to support MULTIPLATFORM, so
that their platform can be enabled in the same kernel binary as
most of the other v7 platforms in the tree. \o/
The work isn't quite complete, there's some driver fixes still
needed, but the basics now work.
New SoC support added:
- Freescale i.MX6SX
- LSI Axxia AXM55xx SoCs
- Samsung EXYNOS 3250, 5260, 5410, 5420 and 5800
- STi STIH407
plus a large set of various smaller updates for different platforms.
I'm probably missing some important one here"
* tag 'soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (281 commits)
ARM: exynos: don't run exynos4 l2x0 setup on other platforms
ARM: exynos: Fix "allmodconfig" build errors in mcpm and hotplug
ARM: EXYNOS: mcpm rename the power_down_finish
ARM: EXYNOS: Enable mcpm for dual-cluster exynos5800 SoC
ARM: EXYNOS: Enable multi-platform build support
ARM: EXYNOS: Consolidate Kconfig entries
ARM: EXYNOS: Add support for EXYNOS5410 SoC
ARM: EXYNOS: Support secondary CPU boot of Exynos3250
ARM: EXYNOS: Add Exynos3250 SoC ID
ARM: EXYNOS: Add 5800 SoC support
ARM: EXYNOS: initial board support for exynos5260 SoC
clk: exynos5410: register clocks using common clock framework
ARM: debug: qcom: add UART addresses to Kconfig help for APQ8084
ARM: sunxi: allow building without reset controller
Documentation: devicetree: arm: sort enable-method entries
ARM: rockchip: convert smp bringup to CPU_METHOD_OF_DECLARE
clk: exynos5250: Add missing sysmmu clocks for DISP and ISP blocks
ARM: dts: axxia: Add reset controller
power: reset: Add Axxia system reset driver
ARM: axxia: Adding defconfig for AXM55xx
...
Some oscillators can be turned off during off-idle saving few
a little bit power at the cost of the oscillator start up
latency.
If you board can do this, you can now enable it by using the
ti,twl4030-power-idle-osc-off compatible flag.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
With the recommended twl4030 configuration added, we can now add
board specific changes as modifications to the recommended
configuration.
Note that the data is private to this driver, and the data must
always have a NULL resource in the sentinel.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
These settings are based on the "Recommended Sleep Sequences for
the Zoom Platform".
The settings assume most of the regulators are under control of
Linux, and twl4030 only cuts off VDD1 and VDD2 during off-idle as
Linux cannot do it.
For any board specific changes to these, let's patch them in as
changes to the generic data in the follow-up patches. This keeps
the board specific changes small.
Note that this does not consider the twl5030 errata 27 and 28.
That can be added later on after it has been tested. For more
information about errata 27 and 28.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The twl4030 PMIC needs to be configured properly for things like
warm reset and deeper idle states so the PMIC manages the regulators
properly based on the hardware triggers from the SoC. Earlier
we have configured twl4030 using platform data, but we want to
do it for device tree based booting also.
In some cases configuring twl4030 is needed for things to work.
For example, when rebooting an OMAP3530 at 125 MHz, it hangs.
With this patch, TWL4030 will be reset when a warm reset occures,
and OMAP3530 does not hang on reboot.
Let's add device tree support and configure things for warm reset
as the default when compatible = "ti,twl4030-power". More
complicated configurations can be added to the driver based on
other compatible flags.
Note we now also make the pdata const like it should be.
This allows use it for match->data with the device tree
related functions.
Based on earlier patch by Matthias Brugger <matthias.bgg@gmail.com>
and Lesly A M <leslyam@ti.com>.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
We have these bits partially defined in two different
places, so let's fix them up and add defines for the
missing bits. These bits are the same for P1_SW_EVENTS,
P2_SW_EVENTS and P3_SW_EVENTS.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Looks like we can still hit the issue of wrong load order of
twl4030 configuration. If we have a sleep configuration loaded,
and do a warm reset, the device can hang while initializing the
wakeup12 sequence. We do have a warning message about wrong order
of twl4030 configuration, but in this case it does not help as
the sleep configuration was loaded during the previous boot and
the state of twl4030 is maintained throughout the warm reset.
Fix the issue by clearing any existing sleep configuration
before we load the warm reset configuration.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
There are two different variants of the tps658640 with slightly
different feature sets.
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Merge tag 'regulator-tps658640' into ib-from-regulator-3.16
regulator: Support newer revisions of tps658640
There are two different variants of the tps658640 with slightly
different feature sets.
The versatile express changes for 3.16 introduced a number of
build regressions for randconfig kernels by not tracking dependencies
between the components right.
This patch tries to rectify that:
* the mach-vexpress code cannot link without the syscfg driver,
which in turn needs MFD_VEXPRESS_SYSREG
* various drivers call devm_regmap_init_vexpress_config(), which
has to be exported so it can be used by loadable modules
* the configuration bus uses OF DT helper functions that are not
available to platforms disable CONFIG_OF
* The sysreg driver exports GPIOs through gpiolib, which can
be disabled on some platforms.
* The clocksource code cannot be built on platforms that don't
use modern timekeeping but rely on gettimeoffset.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The TPS658640 has a different set of output voltage for most LDO and
the RTC LDO isn't settable. This chip also report 2 different version
ID, as the datasheet doesn't list the possible values the second ID
has simply been named TPS658640v2.
Signed-off-by: Alban Bedel <alban.bedel@avionic-design.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
The only platform using the STMPE expander now boots from
device tree using all-dynamic GPIO and IRQ number assignments, so
remove the mechanism to pass this from the device tree entirely.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
BCM590xx utilizes a secondary I2C slave address to access additional
register space. Add support for the secondary address space by
instantiating a dummy I2C device with the appropriate secondary
I2C slave address. Also expose a secondary regmap register space so
that MFD drivers can access this secondary i2c slave address space.
Signed-off-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The last reason for static memory mapping is the HBI (board
identification number) check early in the machine code.
Moving the check to the sysreg driver makes it possible to
completely remove the early mapping and init functions.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
This patch - finally, after over 6 months! :-( - addresses
Samuel's request to split the vexpress-sysreg driver into
smaller portions and define the device in a form of MFD
cells:
* LEDs code has been completely removed and replaced with
"gpio-leds" nodes in the tree (referencing dedicated
GPIO subnodes in sysreg - bindings documentation updated);
this also better fits the reality as some variants of the
motherboard don't have all the LEDs populated
* syscfg bridge code has been extracted into a separate
driver (placed in drivers/misc for no better place)
* all the ID & MISC registers are defined as sysconf
making them available for other drivers should they need
to use them (and also to the user via /sys/kernel/debug/regmap
which can be helpful in platform debugging)
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Define syscon platform data structure that can be used
to define a regmap config name. This is particularly useful
in the regmap debugfs when there is more than one syscon
device registered, to distinguish the register blocks.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Components of the Versatile Express platform (configuration
microcontrollers on motherboard and daughterboards in particular)
talk to each other over a custom configuration bus. They
provide miscellaneous functions (from clock generator control
to energy sensors) which are represented as platform devices
(and Device Tree nodes). The transactions on the bus can
be generated by different "bridges" in the system, some
of which are universal for the whole platform (for the price
of high transfer latencies), others restricted to a subsystem
(but much faster).
Until now drivers for such functions were using custom "func"
API, which is being replaced in this patch by regmap calls.
This required:
* a rework (and move to drivers/bus directory, as suggested
by Samuel and Arnd) of the config bus core, which is much
simpler now and uses device model infrastructure (class)
to keep track of the bridges; non-DT case (soon to be
retired anyway) is simply covered by a special device
registration function
* the new config-bus driver also takes over device population,
so there is no need for special matching table for
of_platform_populate nor "simple-bus" hack in the arm64
model dtsi file (relevant bindings documentation has
been updated); this allows all the vexpress devices
fit into normal device model, making it possible
to remove plenty of early inits and other hacks in
the near future
* adaptation of the syscfg bridge implementation in the
sysreg driver, again making it much simpler; there is
a special case of the "energy" function spanning two
registers, where they should be both defined in the tree
now, but backward compatibility is maintained in the code
* modification of the relevant drivers:
* hwmon - just a straight-forward API change
* power/reset driver - API change
* regulator - API change plus error handling
simplification
* osc clock driver - this one required larger rework
in order to turn in into a standard platform driver
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Acked-by: Mark Brown <broonie@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mike Turquette <mturquette@linaro.org>
The STMPE has VCC and VIO supply lines, and sometimes (as on
Ux500) this comes from a software-controlled regulator. Make
it possible to supply the STMPE with power from these
regulators.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The current STMPE I2C probing code does not really match the
compatible strings - it matches node names happening to give
the right device name. Instead, let's introduce some real
compatible matching, more complex, more accurate. Make the
driver depend on OF since all platforms using it are DT-only.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The STMPE driver would just read/modify/write the system control
register on the STMPE1601, meaning it would not properly mask off
the PWM block, which remained active if it was on at boot time.
This makes sure the blocks are always masked off if they were
active on boot, saving some power. Also rename the inconsistenty
named STMPE1601 define for the PWM block activation.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This reverts commit c42deffd5b.
commit <mmc: rtsx: add support for pre_req and post_req> did use
mutex_unlock() in tasklet, but mutex_unlock() can't be used in
tasklet(atomic context). The driver needs to use mutex to avoid
concurrency, so we can't use tasklet here, the patch need to be
removed.
The spinlock host->lock and pcr->lock may deadlock, one way to solve
the deadlock is remove host->lock in sd_isr_done_transfer(), but if
using workqueue the we can avoid using the spinlock and also avoid
the problem.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds devicetree support for mc13783-codec.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
The cpufreq core now supports the cpufreq_for_each_entry macro helper
for iteration over the cpufreq_frequency_table, so use it.
It should have no functional changes.
Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Explain why there is no need to have a symmetric LED turn-on in resume handler
while calling rtsx_usb_turn_off_led() in suspend handler.
Signed-off-by: Roger Tseng <rogerable@realtek.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fix two possible race condition generated by misuse of del_timer in
rtsx_usb_bulk_transfer_sglist() and uninitialized timers before mfd_add_devices
in rtsx_usb_probe().
Signed-off-by: Roger Tseng <rogerable@realtek.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
I noticed a regression where the omap sys_clkreq signal will never
trigger for omap3 when booted with device tree while it triggers
when booted in legacy mode. This means voltage scaling does not
do anything when booted with device tree.
Turns out the reason is we fail to initialize the SmartReflex
enable bit in twl4030 with the following error:
twl: not initialized
And that happens because we are wrongly tinkering with the twl4030
registers in arch/arm/mach-omap2/omap_twl.c before the driver is
initialized. Looking at the the SmartReflex bit enable code in
omap_twl.c, we need to always set it.
So let's fix the issue by always enabling the twl4030 SmartReflex
bit in the drivers/mfd/twl-core.c probe, and drop the related
code in omap_twl.c.
Note that we still have some twl4030 tinkering left in omap_twl.c
for the twl6030 case, but that's a different patch.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add support for MAX77836 chipset to the max14577 extcon driver. The
MAX77836 MUIC has additional interrupts (VIDRM, ADC1K) so IRQ handling
is split up into two functions: max14577_parse_irq() and
max77836_parse_irq().
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add Maxim 77836 support to max14577 driver. The chipsets have same MUIC
component so the extcon, charger and regulators are almost the same. The
MAX77836 however has also PMIC and Fuel Gauge.
The MAX77836 uses three I2C slave addresses and has additional interrupts
(related to PMIC and Fuel Gauge). It has also Interrupt Source register,
just like MAX77686 and MAX77693.
The MAX77836 PMIC's TOPSYS and INTSRC interrupts are reported in the
PMIC block. The PMIC block has different I2C slave address and uses own
regmap so another regmap_irq_chip is needed.
Since we have two regmap_irq_chip, use shared interrupts on MAX77836.
This patch adds additional defines and functions to the max14577 MFD core
driver so the driver will handle both chipsets. Also this patch replaces
"0x1 << N" with BIT(N) in defines for register masks.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch prepares for adding support for MAX77836 device to existing
max14577 driver by adding MAX14577 prefix to defines of interrupts.
This is only a rename-like patch, new code is not added.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch continues the preparation for adding support for MAX77836
device to existing max14577 driver.
Add enum for types of devices supported by this driver. The device type
will be detected by matching of_device_id, or i2c_device_id as a
fallback.
The patch also moves to separate function the code related to displaying
DeviceID register values.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add muic prefix to regmap config to differentiate between another regmap
config for MAX77836 PMIC node. Additionally remove unused
symbols: MAX14577_REG_INVALID and max14577_irq_source.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Nearly all of the registers in tps65090 combine control bits and
status bits. Turn off caching of all registers except the select few
that can be cached.
In order to avoid adding more duplicate #defines, we also move some
register offset definitions to the mfd driver (and resolve
inconsistent names).
Signed-off-by: Doug Anderson <dianders@chromium.org>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
If we weren't given an interrupt we shouldn't tell child devices (like
the tps65090 charger) that they have an interrupt. This is needed so
that we can support polling mode in the tps65090 charger driver.
See also (charger: tps65090: Allow charger module to be used when no
irq).
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
It is more idiomatic to process things relating to the regulator in its
driver. This patch moves both processing of device tree relating to the
regulator and checking if the regulator is external from arizona-core
into the regulator driver.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
This patch factors out the reading of GPIOs for the Arizona devices
into a helper function.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Core:
- CONFIG_MMC_UNSAFE_RESUME=y is now default behavior.
- DT bindings for SDHCI UHS, eMMC HS200, high-speed DDR, at 1.8/1.2V.
- Add GPIO descriptor based slot-gpio card detect API.
Drivers:
- dw_mmc: Refactor SOCFPGA support as a variant inside dw_mmc-pltfm.c.
- mmci: Support HW busy detection on ux500.
- omap: Support MMC_ERASE.
- omap_hsmmc: Support MMC_PM_KEEP_POWER, MMC_PM_WAKE_SDIO_IRQ, (a)cmd23.
- rtsx: Support pre-req/post-req async.
- sdhci: Add support for Realtek RTS5250 controllers.
- sdhci-acpi: Add support for 80860F16, fix 80860F14/SDIO card detect.
- sdhci-msm: Add new driver for Qualcomm SDHCI chipset support.
- sdhci-pxav3: Add support for Marvell Armada 380 and 385 SoCs.
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Merge tag 'mmc-updates-for-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC updates from Chris Ball:
"MMC highlights for 3.15:
Core:
- CONFIG_MMC_UNSAFE_RESUME=y is now default behavior
- DT bindings for SDHCI UHS, eMMC HS200, high-speed DDR, at 1.8/1.2V
- Add GPIO descriptor based slot-gpio card detect API
Drivers:
- dw_mmc: Refactor SOCFPGA support as a variant inside dw_mmc-pltfm.c
- mmci: Support HW busy detection on ux500
- omap: Support MMC_ERASE
- omap_hsmmc: Support MMC_PM_KEEP_POWER, MMC_PM_WAKE_SDIO_IRQ, (a)cmd23
- rtsx: Support pre-req/post-req async
- sdhci: Add support for Realtek RTS5250 controllers
- sdhci-acpi: Add support for 80860F16, fix 80860F14/SDIO card detect
- sdhci-msm: Add new driver for Qualcomm SDHCI chipset support
- sdhci-pxav3: Add support for Marvell Armada 380 and 385 SoCs"
* tag 'mmc-updates-for-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (102 commits)
mmc: sdhci-acpi: Intel SDIO has broken card detect
mmc: sdhci-pxav3: add support for the Armada 38x SDHCI controller
mmc: sdhci-msm: Add platform_execute_tuning implementation
mmc: sdhci-msm: Initial support for Qualcomm chipsets
mmc: sdhci-msm: Qualcomm SDHCI binding documentation
sdhci: only reprogram retuning timer when flag is set
mmc: rename ARCH_BCM to ARCH_BCM_MOBILE
mmc: sdhci: Allow for irq being shared
mmc: sdhci-acpi: Add device id 80860F16
mmc: sdhci-acpi: Fix broken card detect for ACPI HID 80860F14
mmc: slot-gpio: Add GPIO descriptor based CD GPIO API
mmc: slot-gpio: Split out CD IRQ request into a separate function
mmc: slot-gpio: Record GPIO descriptors instead of GPIO numbers
Revert "dts: socfpga: Add support for SD/MMC on the SOCFPGA platform"
mmc: sdhci-spear: use generic card detection gpio support
mmc: sdhci-spear: remove support for power gpio
mmc: sdhci-spear: simplify resource handling
mmc: sdhci-spear: fix platform_data usage
mmc: sdhci-spear: fix error handling paths for DT
mmc: sdhci-bcm-kona: fix build errors when built-in
...
A large part of the arm-soc patches are nowadays DT changes, adding support
for new SoCs, boards and devices without changing kernel source. The plan
is still to move the devicetree files out of the kernel tree and reduce
the amount of churn going on here, but we keep finding reasons to delay
doing that.
Changes are really all over the place, with little sticking out particularly.
We have contributions from a total of 116 people in this branch.
Unfortunately, the size of this branch also causes a significant number
of conflicts at the moment, typically when subsystem maintainers merge
patches that change the driver at the same time as the dts files. In
most cases this could be avoided because the dts changes are supposed
to be compatible in both ways, and we are asking everyone to send ARM
dts changes through our tree only.
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Merge tag 'dt-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree changes from Arnd Bergmann:
"A large part of the arm-soc patches are nowadays DT changes, adding
support for new SoCs, boards and devices without changing kernel
source. The plan is still to move the devicetree files out of the
kernel tree and reduce the amount of churn going on here, but we keep
finding reasons to delay doing that.
Changes are really all over the place, with little sticking out
particularly. We have contributions from a total of 116 people in
this branch.
Unfortunately, the size of this branch also causes a significant
number of conflicts at the moment, typically when subsystem
maintainers merge patches that change the driver at the same time as
the dts files. In most cases this could be avoided because the dts
changes are supposed to be compatible in both ways, and we are asking
everyone to send ARM dts changes through our tree only"
* tag 'dt-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (541 commits)
dts: stmmac: Document the clocks property in the stmmac base document
dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac.
ARM: STi: stih41x: Add support for the FSM Serial Flash Controller
ARM: STi: stih416: Add support for the FSM Serial Flash Controller
ARM: tegra: fix Dalmore pinctrl configuration
ARM: dts: keystone: use common "ti,keystone" compatible instead of -evm
ARM: dts: k2hk-evm: set ubifs partition size for 512M NAND
ARM: dts: Build all keystone dt blobs
ARM: dts: keystone: Fix control register range for clktsip
ARM: dts: keystone: Fix domain register range for clkfftc1
ARM: dts: bcm28155-ap: leave camldo1 on to fix reboot
ARM: dts: add bcm590xx pmu support and enable for bcm28155-ap
ARM: dts: bcm21664: Add device tree files.
ARM: DT: bcm21664: Device tree bindings
ARM: efm32: properly namespace i2c location property
ARM: efm32: fix unit address part in USART2 device nodes' names
ARM: mvebu: Enable NAND controller in Armada 385-DB
ARM: mvebu: Add support for NAND controller in Armada 38x SoC
ARM: mvebu: Add the Core Divider clock to Armada 38x SoCs
ARM: mvebu: Add a 2 GHz fixed-clock on Armada 38x SoCs
...
This release has lots and lots of small cleanups and fixes in the
regulator subsystem, mainly cleaning up some bad patterns that got
duplicated in DT code, but otherwise very little of note outside
of the scope of the relevant drivers:
- Support for configuration of the initial state for gpio regulators
with multi-voltage support.
- Support for calling regulator_set_voltage() on fixed regulators.
- New drivers for Broadcom BCM590xx, Freescale pfuze200, Samsung S2MPA01 &
S2MPS11/4, some PWM controlled regulators found on some ST boards and
TI TPS65218.
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Merge tag 'regulator-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This release has lots and lots of small cleanups and fixes in the
regulator subsystem, mainly cleaning up some bad patterns that got
duplicated in DT code, but otherwise very little of note outside of
the scope of the relevant drivers:
- Support for configuration of the initial state for gpio regulators
with multi-voltage support.
- Support for calling regulator_set_voltage() on fixed regulators.
- New drivers for Broadcom BCM590xx, Freescale pfuze200, Samsung
S2MPA01 & S2MPS11/4, some PWM controlled regulators found on some
ST boards and TI TPS65218"
* tag 'regulator-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (154 commits)
regulator: aat2870: Use regulator_map_voltage_ascend
regulator: st-pwm: Convert to get_voltage_sel
regulator: Add new driver for ST's PWM controlled voltage regulators
regulator: bcm590xx: Remove **rdev from struct bcm590xx_reg
regulator: bcm590xx: Make the modalias matches the driver name
regulator: s5m8767: Convert to use regulator_[enable|disable|is_enabled]_regmap
regulator: db8500-prcmu: Set 1.8V as a fixed voltage for vsmps2
regulator: s2mps11: Add missing of_node_put
regulator: s2mps11: Use of_get_child_by_name
Documentation: mfd: s2mps11: Document support for S2MPS14
regulator: s2mps11: Add set_suspend_disable for S2MPS14
regulator: s2mps11: Add support for S2MPS14 regulators
regulator: max8660: Fix brace alignment
regulator: dbx500: use seq_puts() instead of seq_printf()
regulator: dbx500-prcmu: Silence checkpatch warnings
regulator: anatop: Remove checking control_reg in [set|get]_voltage_sel
regulator: max8952: Silence checkpatch warning
regulator: max8925: Silence checkpatch warning
regulator: max8660: Silence checkpatch warnings
regulator: arizona-ldo1: Correct default regulator init_data
...
The DSPs will often control there own clock speeds whilst running as
such we should mark the registers controlling this as volatile.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
On PXT and COMe-cPC2 boards it is observed that the hardware
mutex is acquired but not being released during initialization.
This can result in a hang-up during boot if the driver is built
into the kernel.
Releasing the mutex twice if it was acquired fixes the problem.
Subsequent request/release cycles work as expected, so the fix is
only needed during initialization.
Cc: <stable@vger.kernel.org>
Reviewed-by: Michael Brunner <michael.brunner@kontron.com>
Tested-by: Michael Brunner <michael.brunner@kontron.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Initialize the 'regmap_rtc' on S2MPA01 to some sane value. Sane at least
for S5M87X chipsets, not S2MPS/S2MPA but it won't be used because
rtc-s5m driver does not support S2MPA01.
This fixes following error:
drivers/mfd/sec-core.c:342:45: warning: ‘regmap_rtc’ may be used uninitialized in this function [-Wuninitialized]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The tps65910_i2c_probe() allocates regmap_irq_chip in
tps65910_irq_init() but it does not clean this up in case of
mfd_add_devices() failure.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixes: 4aab3fadad ("mfd: tps65910: Move interrupt implementation code to mfd file")
tps65910_irq_init() sets 'tps65910->chip_irq' before calling
regmap_add_irq_chip(). If the regmap_add_irq_chip() call fails in
memory allocation of regmap_irq_chip_data members then:
1. The 'tps65910->chip_irq' will still hold some value
2. 'tps65910->irq_data' will be pointing to already freed memory
(because regmap_add_irq_chip() will free it on error)
This results in invalid memory access during driver remove because the
tps65910_irq_exit() tests whether 'tps65910->chip_irq' is not zero.
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Dummy I2C device allocated in sec_pmic_probe() leaked if
devm_regmap_init_i2c() failed. Unregister it before returning from
probe.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add of_compatible strings for S5M8767 and S2MPS14 clock MFD cells.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The tnetv107x platform is getting removed, so this driver
is not needed any more.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This fixes below build error.
FATAL: drivers/mfd/bcm590xx: sizeof(struct i2c_device_id)=24 is not a modulo of the size of section __mod_i2c_device_table=392.
Fix definition of struct i2c_device_id in mod_devicetable.h
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds the LPC Controller Device IDs for Watchdog and GPIO for
the Intel Bay Trail Atom SoC.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The NM10's GPIO is compatible with ICH v7 GPIO.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Tested-by: Dan Weinlader <danw@vs-networks.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The register layout of the Avoton is compatible with the iTCO v3
register layout.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Tested-by: Rajat Jain <rajatjain@juniper.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Some newer Atom CPUs, eg Avoton and Bay Trail, use slightly different
register layouts for the iTCO than the current v1 and v2 iTCO.
Differences from previous iTCO versions include:
- The ACPI space is enabled in the "ACPI base address" register instead
of the "ACPI control register"
- The "no reboot" functionality is set in the "Power Management
Configuration" register instead of the "General Control and Status"
(GCS) register or PCI configuration space.
- The "ACPI Control Register" is not present on v3. The "Power
Management Configuration Base Address" register resides at the same
address is Avoton/Bay Trail.
To differentiate these newer chipsets create a new v3 iTCO version and
update the MFD driver to support them.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Tested-by: Rajat Jain <rajatjain@juniper.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Future chipsets will use different register layouts that don't map
cleanly to the lpc_ich_cfg fields. Remove the lpc_ich_cfg struct and
add explicit fields to the higher level lpc_ich_priv structure.
This change should have no functional impact.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Tested-by: Rajat Jain <rajatjain@juniper.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Some chipsets don't currently have GPIO support enabled. For these
chipsets don't go through the process of initializing the GPIO region.
Make the same change for the watchdog initialization for chipsets which
may not enable the WDT in the future.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Tested-by: Rajat Jain <rajatjain@juniper.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The original bitmask of 0x10 was incorrect and would result in a write
to a reserved read-only bit instead of enabling the ACPI I/O
region. Update it to the proper value of 0x80.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Tested-by: Rajat Jain <rajatjain@juniper.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add a driver for the BCM590xx PMU multi-function devices. The driver
initially supports regmap initialization and instantiation of the
voltage regulator device function of the PMU.
Signed-off-by: Matt Porter <mporter@linaro.org>
Reviewed-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
MAXIM 14577 MFD driver uses the regmap_irq_chip so it's Kconfig entry
should select REGMAP_IRQ.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
There are some unused registers in twl4030 at I2C address 0x49 and function
twl4030_49_nop_reg() is used to check accessibility of that registers. These
registers are written in decimal format but the values are correct in
hexadecimal format. (It can be checked few lines above the patched code -
these registers are marked as unused there.)
As a consequence three registers of audio submodule are treated as
inaccessible (preamplifier carkit right and both handsfree registers).
Cc: stable@vger.kernel.org
Signed-off-by: Tomas Novotny <tomas@novotny.cz>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reported error was:
ERROR: "regmap_del_irq_chip" [drivers/mfd/tps65218.ko] undefined!
when CONFIG_REGMAP_IRQ is not enabled.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Since we do not want to add new platform IDs for the syscon driver,
there is no reason to iterate over IDs. This patch simplifies
syscon_match_pdevname() function to remove such iteration.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
platform_get_irq() returns a negative error code when an IRQ is invalid
or unspecified. Make 'irq' signed to properly handle this.
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The FUSE7_REG register is not currently marked readable. This causes
as3722_sd0_is_low_voltage() to emit an error during boot, and assume
the range of the SD0 regulator:
as3722-regulator as3722-regulator: Reg 0xa7 read failed: -5
Fixes: d4807ad2c4 ("regmap: Check readable regs in _regmap_read")
[exposed the bug, by checking for readability]
Fixes: 762a8ee808 ("regulator: as3722: detect SD0 low-voltage mode")
[left out this register from the readable list]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
We don't need to implement a dummy irq_set_wake op if we just set
IRQCHIP_SKIP_SET_WAKE.
Suggested-by: Josh Cartwright <joshc@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This isn't necessary as we aren't setting the summary interrupt
to wake up the system in the irq_wake() callback.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The probe routine should call spi_setup() to configure the SPI bus
so it can properly communicate with the device.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The patch adds the maximum speed limit in accordance with the
PMIC datasheet if other value is not given in the devicetree
description or board data.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() or pci_enable_msi_exact()
and pci_enable_msix_range() or pci_enable_msix_exact()
interfaces.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Use SIMPLE_DEV_PM_OPS macro in order to make the code simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Allow this driver to be compiled on all ARM builds as it doesn't
rely on anything within arm/mach-msm.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Use a regmap so that the pm8xxx read/write APIs can be removed
once all consumer drivers are converted.
Reviewed-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Convert this driver to use irqdomains so that the PMIC's child
devices can be converted to devicetree.
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Since this code has been marked broken for some time a few genirq
tree wide changes weren't made. set_irq_wake() was renamed to
irq_set_irq_wake() in commit a0cd9ca2b (genirq: Namespace
cleanup, 2011-02-10) and commit 10a8c383 (irq: introduce entry
and exit functions for chained handlers) introduced the chained
irq functions but this driver wasn't updated to use them. Fix
these problems and remove the BROKEN marking on this driver.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The pm8xxx-irq.c code is practically mandatory given that the
pm8921-core driver will WARN about it missing and the Kconfig
marks it as default y when a PM8xxx chips is enabled. The only
reason the file was split out was because we planned to support
other pm8xxx chips with different pm8xxx-core.c files. Now that
we have DT on ARM this isn't necessary because we should be able
to support all the ssbi based PM8xxx chips in one driver and one
file with no data bloat. Let's move this code into the only
driver that uses it right now (pm8921) so that it's always compiled when
needed. In the future we can rename pm8921-core.c to something
more generic.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
We may have an error when reading the revision register, so check for
the returned value.
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
When probing, regmap_register_patch() will bypass the cache and perform
i2c writes for the given patches. It is thus unnecessary to manually set
the TWL6040_REG_ACCCTL register just before, as it will be done when
registering the twl6040_patch.
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add support for a new BC variant of the DA9053 PMIC.
There is one difference between it and the AA, BA and BB.
This patch also corrects a typing mistake in one of the BA
name strings that was incorrectly typed as "ab".
Signed-off-by: Anthony Olech <anthony.olech.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch moves diagnostic messages used for debugging purposes
to dev_dbg().
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds DMI system IDs for the Kontron modules COMe-mBT10, COMe-cBT6
and COMe-cHL6 to the Kontron PLD driver. The list of supported products in
the module description is also updated.
Signed-off-by: Michael Brunner <michael.brunner@kontron.com>
Acked-by: Christian Rauch <christian.rauch@kontron.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add the correct silicon variant code ID (0x5) to the driver. This
new code is the 'production' variant code ID for DA9063.
This patch will remove the older variant code ID which matches the
pre-production silicon ID (0x3) for the DA9063 chip.
There is also some small amount of correction done in this patch:
it splits the revision code and correctly names it according to
the hardware specification and moves the dev_info() call before
the variant ID test.
Signed-off-by: Opensource [Steve Twiss] <stwiss.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Return directly to avoid redundant lines of code.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Realtek USB card reader provides a channel to transfer command or data to flash
memory cards. This driver exports host instances for mmc and memstick subsystems
and handles basic works.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Roger Tseng <rogerable@realtek.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
stw481x_regmap_config is local to this file.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add this header explicitly for IS_ERR and friends.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
'site' variable should be initialized with 0 so that when 'site'
property doesn't exist in DTB it can be handled correctly.
'0' value means board site number is motherboard (see
Documentation/devicetree/bindings/arm/vexpress.txt for details).
Signed-off-by: Semen Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
During probe the driver allocates two dummy I2C devices for subchips in
function pm800_pages_init(). Additionally this function allocates
regmaps for these subchips. If any of these steps fail then these dummy
I2C devices are not freed and resources leak.
On pm800_pages_init() fail the driver must call pm800_pages_exit() to
unregister dummy I2C devices.
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because the value is checked by devm_ioremap_resource().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Three of the PMIC registers have some bits that are changed
autonomously by the PMIC itself (some time) after being set
by some component driver of the DA9052 PMIC and hence they
need to be marked as volatile so that the regmap API will
not cache their values.
Acked-by: David Dajun Chen <david.chen@diasemi.com>
Signed-off-by: Anthony Olech <anthony.olech.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
During probe the driver allocates dummy I2C devices for MUIC and haptic
with i2c_new_dummy() but it does not check the return value of this
calls.
In case of error (i2c_new_device(): memory allocation failure or I2C
address cannot be used) this function returns NULL which is later used
by devm_regmap_init_i2c() and i2c_unregister_device().
If i2c_new_dummy() fails for MUIC or haptic devices, fail also the probe
for main MFD driver.
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
During probe the driver allocates dummy I2C device for companion chip
with i2c_new_dummy() but it does not check the return value of this call.
In case of error (i2c_new_device(): memory allocation failure or I2C
address cannot be used) this function returns NULL which is later used
by regmap_init_i2c().
If i2c_new_dummy() fails for companion device, fail also the probe for
main MFD driver.
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
During probe the driver allocates dummy I2C device for companion chip
and then allocates a regmap for it. If regmap_init_i2c() fails then the
I2C driver (allocated with i2c_new_dummy()) is not freed and this
resource leaks.
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
During probe the driver allocates dummy I2C devices for RTC and ADC
with i2c_new_dummy() but it does not check the return value of this
calls.
In case of error (i2c_new_device(): memory allocation failure or I2C
address cannot be used) this function returns NULL which is later used
by i2c_unregister_device().
If i2c_new_dummy() fails for RTC or ADC devices, fail also the probe
for main MFD driver.
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
During probe the driver allocates dummy I2C device for RTC with i2c_new_dummy() but it does not check the return value of this call.
In case of error (i2c_new_device(): memory allocation failure or I2C
address cannot be used) this function returns NULL which is later used
by i2c_unregister_device().
If i2c_new_dummy() fails for RTC device, fail also the probe for
main MFD driver.
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
During probe the driver allocates dummy I2C device for RTC with
i2c_new_dummy() but it does not check the return value of this call.
In case of error (i2c_new_device(): memory allocation failure or I2C
address cannot be used) this function returns NULL which is later used
by i2c_unregister_device().
If i2c_new_dummy() fails for RTC device, fail also the probe for main
MFD driver.
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
During probe the driver allocates dummy I2C devices for RTC, haptic and
MUIC with i2c_new_dummy() but it does not check the return value of this
calls.
In case of error (i2c_new_device(): memory allocation failure or I2C
address cannot be used) this function returns NULL which is later used
by i2c_unregister_device().
If i2c_new_dummy() fails for RTC, haptic or MUIC devices, fail also the
probe for main MFD driver.
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>. Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Semicolon is not necessary after the while statement.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The TPS65218 chip is a power management IC for Portable Navigation Systems
and Tablet Computing devices. It contains the following components:
- Regulators.
- Over Temperature warning and Shut down.
This patch adds support for tps65218 mfd device. At this time only
the regulator functionality is made available.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This changes the following mechanisms in the TC3589x device tree
probing path:
- Use the .of_match_table in struct device_driver to match the
device in the device tree.
- Add matches for the proper compatible strings "toshiba,..."
and all sub-variants, just as is done for the .id matches.
- Move over all the allocation of platform data etc to the
tc3589x_of_probe() function and follow the pattern of passing
a platform data pointer back, or an error pointer on error,
as found in the STMPE driver.
- Match the new (proper) compatible strings for the GPIO and
keypad MFD cells.
- Use of_device_is_compatible() rather than just !strcmp()
to discover which cells to instantiate.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Expose some DSP registers which are useful for DSP users to be able to
access whilst debugging their firmware.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Expose some DSP registers which are useful for DSP users to be able to
access whilst debugging their firmware.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add of_compatible ("maxim,max14577-muic") to the mfd_cell for extcon
driver. If entry with such compatible is present in the DTS, the extcon
driver will have of_node set.
This may be useful for extcon consumers and it is documented in
bindings documentation.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
It is currently not possible to select the SA1100 or Vexpress
drivers in the MFD subsystem, because the menu for the entire
subsystem ends before these options are presented.
Move the main menu closing and the endif for HAS_IOMEM to the
end of the file so these are selectable again.
Cc: stable@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Update the register patch based on latest evaluation of the device.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add the necessary entries required for S2MPA01 multi-function
device. While at it also convert whitespaces to tabs in core.h.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
When used 64bit compiler GCC warns as
drivers/mfd/sec-core.c:199:10: warning:
cast from pointer to integer of different size [-Wpointer-to-int-cast]
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
During probe the sec-core driver allocates dummy I2C device for RTC with
i2c_new_dummy() but return value is not checked. In case of error
(i2c_new_device(): memory allocation failure or I2C address cannot be
used) this function returns NULL which is later used by
devm_regmap_init_i2c() or i2c_unregister_device().
If i2c_new_dummy() fails for RTC device, fail also the probe for main
MFD driver.
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add support for S2MPS14 PMIC device to the MFD sec-core driver.
The S2MPS14 is similar to S2MPS11 but it has fewer regulators, two
clocks instead of three and a little different registers layout.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The S2MPS11 RTC has two alarms: alarm0 and alarm1 (corresponding
interrupts are named similarly). Use consistent names for interrupts to
limit possible errors.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch prepares for adding support for S2MPS14 RTC driver by
selecting different regmaps for S2MPS1X/S5M876X RTC devices.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add maximum register to the regmap used by rtc-s5m driver.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This is a driver for an A/D converter, which belongs into
drivers/iio/adc.
Signed-off-by: Sebastian Reichel <sre@debian.org>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Simplify reading and writing of 16 bit TWL registers in the
driver by using twl_i2c_read_u16 and twl_i2c_write_u16.
Signed-off-by: Sebastian Reichel <sre@debian.org>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Tested-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Some style fixes in twl4030-madc driver.
Reported-by: Jonathan Cameron <jic23@kernel.org>
Reported-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sebastian Reichel <sre@debian.org>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Tested-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This converts twl4030-madc module to use the Industrial IO ADC
framework and adds device tree support.
Signed-off-by: Sebastian Reichel <sre@debian.org>
Tested-by: Marek Belisko <marek@goldelico.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Update twl4030-madc driver to use managed resources.
Signed-off-by: Sebastian Reichel <sre@debian.org>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Tested-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
These are sent separately from the rest of the .dts changes
as these depend on the fixes merged into v3.14-rc4, and
needed a bit more time to get updated on the fixes.
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Merge tag 'omap-for-v3.15/dt-overo-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
Updates to the .dts files to support more Gumstix boards.
These are sent separately from the rest of the .dts changes
as these depend on the fixes merged into v3.14-rc4, and
needed a bit more time to get updated on the fixes.
* tag 'omap-for-v3.15/dt-overo-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Add support for the Overo Summit
ARM: dts: Add support for the Overo Chestnut43
ARM: dts: Add support for the Overo Alto35
ARM: dts: Add support for the Overo Gallop43
ARM: dts: Add support for the Overo Palo43
ARM: dts: overo: Add LIS33DE accelerometer
ARM: dts: overo: Create a file for common Gumstix peripherals
ARM: dts: overo: Push uart3 pinmux down to expansion board
ARM: dts: omap3-tobi: Add AT24C01 EEPROM
ARM: dts: omap3-tobi: Use include file omap-gpmc-smsc9221
ARM: dts: omap: Add common file for SMSC9221
ARM: dts: omap3-overo: Add HSUSB PHY
ARM: dts: omap3-overo: Enable WiFi/BT combo
ARM: dts: omap3-overo: Add missing pinctrl
ARM: dts: omap3-tobi: Add missing pinctrl
ARM: dts: overo: reorganize include files
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Conflicts:
arch/arm/boot/dts/omap3-overo.dtsi
Use a meaningful name for the reference clocks so that it indicates the
function.
Update the OMAP4+ USB Host node as well to be in sync with the changes.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Use the proper clock name 'usbhost_120m_fck' instead of the
alias 'ehci_logic_fck'
Get rid of the 'ehci_logic_fck' alias from the OMAP3 hwmod data
as well.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Be more strict and always fail on clk_get() error.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Not all revisions have all the clocks so get the necessary clocks
based on hardware revision.
This should avoid un-necessary clk_get failure messages that were
observed earlier.
Also remove the dummy USB host clocks from the OMAP3 clock data.
These are no longer expected by the driver.
Acked-by: Mike Turquette <mturquette@linaro.org> [OMAP3 CLK data]
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Static analysis from cppcheck issued the following warning:
[drivers/mfd/omap-usb-tll.c:255]: (warning) Found calculation
inside sizeof().
The current size calculation is not obvious and is easy to
miscomprehend, so re-work the size of the allocation based
on the size of the struct pointer and quantity to allocate.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The DBx500 and ABx500 should be getting their IRQs from the
device tree and nowhere else. Get rid of all the static assignments
everywhere, delete it from the driver, platform data and the
board files in one swift strike.
Lots of cross-dependencies in the MFD drivers for PRCMU and
AB8500 makes it necessary to strike everywhere at once to
eradicate IRQs passed as resources and platform data to the left
and right around the platform.
Cc: Mark Brown <broonie@kernel.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
On the wm5102 the register patches are applied manually, rather than by
the regmap core. This application is wrapped in calls to
regcache_cache_bypass. However, this is dangerous as other threads may
be accessing the hardware at the same time as the pm_runtime operations
and if they do so during the period whilst cache_bypass is enabled those
writes will miss the cache when they shouldn't.
Apply the register patch using the new regmap_multi_reg_write_bypassed
function to avoid this problem. Also remove the call to
regcache_cache_bypass from the hardware patch application as it is
unneeded there and creates a similar window for writes to miss the
cache.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
This time we got a slightly higher volume than previous times,
but all device-specific good fixes. Noticeable changes are fixes in
davinci, and the removal of open-codes in HD-audio ca0132 driver.
The rest are all small fixes and/or quirks.
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Merge tag 'sound-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This time we got a slightly higher volume than previous times, but all
device-specific good fixes. Noticeable changes are fixes in davinci,
and the removal of open-codes in HD-audio ca0132 driver. The rest are
all small fixes and/or quirks"
* tag 'sound-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Enable front audio jacks on one HP desktop model
ALSA: hda/ca0132 - Fix recording from mode id 0x8
ALSA: hda/ca0132 - setup/cleanup streams
ALSA: hda - add headset mic detect quirks for two Dell laptops
ALSA: usb-audio: work around KEF X300A firmware bug
ASoC: max98090: make REVISION_ID readable
ASoC: txx9aclc_ac97: Fix kernel crash on probe
ASoC: max98090: sync regcache on entering STANDBY
ASoC: blackfin: Fix machine driver Kconfig dependencies
ASoC: da9055: Fix device registration of PMIC and CODEC devices
ASoC: fsl-esai: fix ESAI TDM slot setting
ASoC: fsl: fix pm support of machine drivers
ASoC: rt5640: Add ACPI ID for Intel Baytrail
ASoC: davinci-evm: Add pm callbacks to platform driver
ASoC: davinci-mcasp: Consolidate pm_runtime_get/put() use in the driver
ASoC: davinci-mcasp: Configure xxTDM, xxFMT and xxFMCT registers synchronously
ASoC: davinci-mcasp: Harmonize the sub hw_params function names
ASoC: samsung: Fix trivial typo
ASoC: samsung: Remove invalid dependencies
ASoC: wm8993: drop regulator_bulk_free of devm_ allocated data
If CONFIG_PM_SLEEP=n:
drivers/mfd/sec-core.c:349: warning: ‘sec_pmic_suspend’ defined but not used
drivers/mfd/sec-core.c:371: warning: ‘sec_pmic_resume’ defined but not used
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
If CONFIG_PM_SLEEP=n:
drivers/mfd/max14577.c:177: warning: ‘max14577_suspend’ defined but not used
drivers/mfd/max14577.c:200: warning: ‘max14577_resume’ defined but not used
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
If we compile the TPS65217 for a 64bit architecture we receive the following
warnings:
drivers/mfd/tps65217.c: In function ‘tps65217_probe’:
drivers/mfd/tps65217.c:173:13:
warning: cast from pointer to integer of different size
chip_id = (unsigned int)match->data;
^
Signed-off-by: Lee Jones <lee.jones@linaro.org>
If we compile the WM8994 for a 64bit architecture we receive the following
warnings:
drivers/mfd/wm8994-core.c: In function ‘wm8994_i2c_probe’:
drivers/mfd/wm8994-core.c:639:19:
warning: cast from pointer to integer of different size
wm8994->type = (int)of_id->data;
^
Signed-off-by: Lee Jones <lee.jones@linaro.org>
If we compile the MAX8998 for a 64bit architecture we receive the following
warnings:
drivers/mfd/max8998.c: In function ‘max8998_i2c_get_driver_data’:
drivers/mfd/max8998.c:178:10:
warning: cast from pointer to integer of different size
return (int)match->data;
^
Signed-off-by: Lee Jones <lee.jones@linaro.org>
If we compile the MAX8997 for a 64bit architecture we receive the following
warnings:
drivers/mfd/max8997.c: In function ‘max8997_i2c_get_driver_data’:
drivers/mfd/max8997.c:173:10:
warning: cast from pointer to integer of different size
return (int)match->data;
^
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Currently the I2C device Ids conflict for the MFD and CODEC so
cannot be both instantiated on one platform. This patch updates
the Ids and names to make them unique from each other.
It should be noted that the I2C addresses for both PMIC and CODEC
are modifiable so instantiation of the two are kept as separate
devices, rather than instantiating the CODEC from the MFD code.
Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
A respin of the merges in the previous pull request with one extra fix.
A quiet release for the regulator API, quite a large number of small
improvements all over but other than the addition of new drivers for the
AS3722 and MAX14577 there is nothing of substantial non-local impact.
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Merge tag 'regulator-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"A respin of the merges in the previous pull request with one extra
fix.
A quiet release for the regulator API, quite a large number of small
improvements all over but other than the addition of new drivers for
the AS3722 and MAX14577 there is nothing of substantial non-local
impact"
* tag 'regulator-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (47 commits)
regulator: pfuze100-regulator: Improve dev_info() message
regulator: pfuze100-regulator: Fix some checkpatch complaints
regulator: twl: Fix checkpatch issue
regulator: core: Fix checkpatch issue
regulator: anatop-regulator: Remove unneeded memset()
regulator: s5m8767: Update LDO index in s5m8767-regulator.txt
regulator: as3722: set enable time for SD0/1/6
regulator: as3722: detect SD0 low-voltage mode
regulator: tps62360: Fix up a pointer-integer size mismatch warning
regulator: anatop-regulator: Remove unneeded kstrdup()
regulator: act8865: Fix build error when !OF
regulator: act8865: register all regulators regardless of how many are used
regulator: wm831x-dcdc: Remove unneeded 'err' label
regulator: anatop-regulator: Add MODULE_ALIAS()
regulator: act8865: fix incorrect devm_kzalloc for act8865
regulator: act8865: Remove set_suspend_[en|dis]able implementation
regulator: act8865: Remove unneeded regulator_unregister() calls
regulator: s2mps11: Clean up redundant code
regulator: tps65910: Simplify setting enable_mask for regulators
regulator: act8865: add device tree binding doc
...
Fix up the following pointer-integer size mismatch warning in
tps65217_probe():
drivers/mfd/tps65217.c: In function 'tps65217_probe':
drivers/mfd/tps65217.c:173:13: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
chip_id = (unsigned int)match->data;
^
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: AnilKumar Ch <anilkumar@ti.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix up the following pointer-integer size mismatch warning in
max8998_i2c_get_driver_data():
drivers/mfd/max8998.c: In function 'max8998_i2c_get_driver_data':
drivers/mfd/max8998.c:178:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
return (int)match->data;
^
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Cc: Mark Brown <broonie@linaro.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
New drivers
- Samsung Maxim 14577; Micro USB, Regulator, IRQ Controller and Battery Charger
- TI/National Semiconductor LP3943 I2C GPIO Expander and PWM Generator
Existing driver adaptions
- Expansion of Wolfson Arizona DSP and High-Pass filter controls
- TI TWL6040 default Regmap support and Regcache addition/bypass
- Some nice Smatch catch fixes
- Conversion of TI OMAP-USB and TI TWL6030 to endian neutralness
- ChromeOS EC timing (delay) adaptions and added dependency on OF
- Many constifications of 'struct {mfd_cell,regmap_irq,et. al}'
- Watchdog support added for NVIDIA AS3722
- Convert functions to static in TI AM335x
- Realigned previously defeated functionality in TI AM335x
- IIO ADC-TSC concurrency dead-lock/timeout resolution
- Addition of Power Management and Clock support for Samsung core
- DEFINE_PCI_DEVICE_TABLE macro removal from MFD Subsystem
- Greater use of irqdomain functionality in ST-E AB8500
- Removal of 'include/linux/mfd/abx500/ab8500-gpio.h'
- Wolfson WM831x PMIC Power Management changes s/poweroff/shutdown/
- Device Tree documentation added for TI/Nat Semi LP3943
- Version detection and voltage tables for TI TPS6586x PMIC devices
- Simplification of Freescale MC13XXX (de-)initialisation routines
- Clean-up and simplification of the Realtek parent driver
- Added support for RTL8402 Realtek PCI-Express card reader
- Resource leak fix for Maxim 77686
- Possible suspend BUG() fix in OMAP USB TLL
- Support for new Wolfson WM5110 Revision (D)
- Testing of automatic assignment of of_node in mfd_add_device()
- Reversion of the above when it started to cause issues
- Remove legacy Platform Data from;
TI TWL Core, Qualcomm SSBI and ST-E ABx500 Pinctrl
- Clean-ups; tabbing issues, function name changes, 'drvdata = NULL' removal,
unused uninitialised warning mitigation, error message clarity,
removal of redundant/duplicate checks, licensing (GPL -> GPL2),
coding consistency, duplicate function declaration, ret checks,
commit corrections, redundant of_match_ptr() helper removal,
spelling, #if-deffery removal and header guards name changes
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Merge tag 'mfd-3.14-1' of git://git.linaro.org/people/ljones/mfd
Pull MFD changes from Lee Jones:
"New drivers
- Samsung Maxim 14577; Micro USB, Regulator, IRQ Controller and
Battery Charger
- TI/National Semiconductor LP3943 I2C GPIO Expander and PWM
Generator
Existing driver adaptions
- Expansion of Wolfson Arizona DSP and High-Pass filter controls
- TI TWL6040 default Regmap support and Regcache addition/bypass
- Some nice Smatch catch fixes
- Conversion of TI OMAP-USB and TI TWL6030 to endian neutralness
- ChromeOS EC timing (delay) adaptions and added dependency on OF
- Many constifications of 'struct {mfd_cell,regmap_irq,et.al}'
- Watchdog support added for NVIDIA AS3722
- Convert functions to static in TI AM335x
- Realigned previously defeated functionality in TI AM335x
- IIO ADC-TSC concurrency dead-lock/timeout resolution
- Addition of Power Management and Clock support for Samsung core
- DEFINE_PCI_DEVICE_TABLE macro removal from MFD Subsystem
- Greater use of irqdomain functionality in ST-E AB8500
- Removal of 'include/linux/mfd/abx500/ab8500-gpio.h'
- Wolfson WM831x PMIC Power Management changes s/poweroff/shutdown/
- Device Tree documentation added for TI/Nat Semi LP3943
- Version detection and voltage tables for TI TPS6586x PMIC devices
- Simplification of Freescale MC13XXX (de-)initialisation routines
- Clean-up and simplification of the Realtek parent driver
- Added support for RTL8402 Realtek PCI-Express card reader
- Resource leak fix for Maxim 77686
- Possible suspend BUG() fix in OMAP USB TLL
- Support for new Wolfson WM5110 Revision (D)
- Testing of automatic assignment of of_node in mfd_add_device()
- Reversion of the above when it started to cause issues
- Remove legacy Platform Data from;
TI TWL Core, Qualcomm SSBI and ST-E ABx500 Pinctrl
- Clean-ups; tabbing issues, function name changes, 'drvdata = NULL'
removal, unused uninitialised warning mitigation, error
message clarity, removal of redundant/duplicate checks,
licensing (GPL -> GPL2), coding consistency, duplicate
function declaration, ret checks, commit corrections,
redundant of_match_ptr() helper removal, spelling,
#if-deffery removal and header guards name changes"
* tag 'mfd-3.14-1' of git://git.linaro.org/people/ljones/mfd: (78 commits)
mfd: wm5110: Add register patch for rev D chip
mfd: omap-usb-tll: Don't hold lock during pm_runtime_get/put_sync()
gpio: lp3943: Remove redundant of_match_ptr helper
mfd: sta2x11-mfd: Use named constants for pci_power_t values
Documentation: mfd: Fix LDO index in s2mps11.txt
mfd: Cleanup mfd-mcp-sa11x0.h header
mfd: max8997: Use "IS_ENABLED(CONFIG_OF)" for DT code.
mfd: twl6030: Fix endianness problem in IRQ handler
mfd: sec-core: Add cells for S5M8767-clocks
mfd: max14577: Remove redundant of_match_ptr helper
mfd: twl6040: Fix sparse non static symbol warning
mfd: Revert "mfd: Always assign of_node in mfd_add_device()"
mfd: rtsx: Fix sparse non static symbol warning
mfd: max77693: Set proper maximum register for MUIC regmap
mfd: max77686: Fix regmap resource leak on driver remove
mfd: Represent correct filenames in file headers
mfd: rtsx: Add support for card reader rtl8402
mfd: rtsx: Add set pull control macro and simplify rtl8411
mfd: max8997: Enforce mfd_add_devices() return value check
mfd: mc13xxx: Simplify probe() & remove()
...
Evaluation of revision D of WM5110 suggests updates to the register
patch for optimal performance. For the sake of clarity rev C of the chip
does not require a register patch.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
pm_runtime_get/put_sync() can sleep so don't hold spinlock while
calling them.
This patch prevents a BUG() during system suspend when
CONFIG_DEBUG_ATOMIC_SLEEP is enabled.
Bug is present in Kernel versions v3.9 onwards.
Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
If nothing more than to improve code readability.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression pdev;
@@
pci_set_power_state(pdev,
- 0
+ PCI_D0
)
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Instead of "#if define CONFIG_OF" use "IS_ENABLED(CONFIG_OF)"
option for DT code to avoid if-deffery in code.
Signed-off-by: Manish Badarkhe <badarkhe.manish@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The current TWL 6030 IRQ handler assumes little endianness.
This change makes it endian-neutral.
Signed-off-by: Danke Xie <d.xie@sta.samsung.com>
Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
S5M8767 chip has 3 crystal oscillators running at 32KHz. These are
supported by s2mps11-clk driver.
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
'max14577_dt_match' is always compiled in. Hence the helper macro
is not needed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixes the following sparse warning:
drivers/mfd/twl6040.c:89:20: warning:
symbol 'twl6040_patch' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This reverts commit 68044bee13770918e0b28dd44aa98c889ec7558f.
We've had confirmed reports of this patch causing unforeseen issues
with existing MFD users. It has been agreed by the original author
and myself that reversion is the best solution.
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixes the following sparse warning:
drivers/mfd/rtl8411.c:473:6: warning:
symbol 'rtl8411_init_common_params' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The MUIC block in max77693 has different I2C address than PMIC. The
driver allocated two regmaps: for PMIC and MUIC. However it used the
same regmap_config (with max_register field) for both regmaps. Actual
maximum address of register for MUIC is different than for PMIC.
Define another regmap_config for MUIC with proper max_register value.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The regmap used by max77686 MFD driver was not freed with regmap_exit()
on driver exit. This lead to leak of resources.
Replace regmap_init_i2c() call in driver probe with initialization of
managed register map so the regmap will be properly freed by the device
management code.
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
rtl8402 is much like rtl8411, so just add it to rtl8411.c
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add set pull control macro to reduce code for setting pull control, and
use a common init function to reduce code for rtl8411.c. So this patch
is used to just simplify code.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The original author provided a random return value check which is
redundant and seemingly floating. This patch not only relocates
the check so it is more clearly associated with the invokation of
mfd_add_devices(), but provides a store for the error value. We
also print a meaningful message on error before returning.
Signed-off-by: Laszlo Papp <lpapp@kde.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch simplifies probe() and remove() functions by moving
some initialisation code out from the I2C/SPI init() and exit()
functions and into the core driver.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Symbol MFD_MC13783 always selected by MFD_MC13XXX, so no need
to keep additional symbol.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
In preparation for passing a const pointer directly to
ssbi_write() from the regmap APIs.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The ssbi driver assumes that the device is DT based. Remove the
platform data structs that will never be used and hide the enum
in the only C file that uses it.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
mfd_add_device() assigns .of_node in the device objects it creates only
if the mfd_cell for the device has the .of_compatible field set and the
DT node for the top-level MFD device contains a child whose compatible
property matches the cell's .of_compatible field.
This leaves .of_node unset in many cases. When this happens, entries in
the DT /aliases property which refer to the top-level MFD DT node will
never match the MFD child devices, hence causing the requested alias not
to be honored.
Solve this by setting each MFD child device's .of_node equal to the top-
level MFD device's .of_node field in the cases where it would otherwise
remain unset.
The first use-case for this will be aliases for the TPS6586x's RTC
device.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The EC has specific timing it requires. Add support for an optional delay
after raising CS to fix timing issues. This is configurable based on
a DT property "google,cros-ec-spi-msg-delay".
If this property isn't set, then no delay will be added. However, if set
it will cause a delay equal to the value passed to it to be inserted at
the end of a transaction.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
memset() was being called with the second parameter set to '\0', which
is equivalent but longer than the more canonical 0. Update the code to
use the latter variant consistently across the driver.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The driver is not used on any non-DT platform, so it can depend on the
OF Kconfig symbol to make that explicit. This is in preparation of a
subsequent patch which parses some parameters from the device tree and
would otherwise have to conditionalize that code.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
According to the header comment in the source file the driver is
licensed under GPL v2, so update MODULE_LICENSE() to match that.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixes the following sparse warning:
drivers/mfd/sec-core.c:202:16: warning: Using plain integer as NULL pointer
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
In case of error, the function devm_regmap_init_mmio() returns
ERR_PTR() and never returns NULL. The NULL test in the return
value check should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Checking for maximal register is already provided by regmap API,
so remove redundant checks.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Use the VERSIONCRC to determine the exact device version. According to
the datasheet this register can be used as device identifier. The
identification is needed since some tps6586x regulators use a different
voltage table.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
LP3943 has 16 output pins which can be used as GPIO expander and PWM generator.
* Regmap I2C interface for R/W LP3943 registers
* Atomic operations for output pin assignment
The driver should check whether requested pin is available or not.
If the pin is already used, pin request returns as a failure.
A driver data, 'pin_used' is checked when gpio_request() and
pwm_request() are called. If the pin is available, then pin_used is set.
And it is cleared when gpio_free() and pwm_free().
* Device tree support
Compatible strings for GPIO and PWM driver.
LP3943 platform data is PWM related, so parsing the device tree is
implemented in the PWM driver.
Signed-off-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
"pdata" is a NULL not an ERR_PTR so there is no use printing it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This helps move us towards removing the bus custom operations.
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
All subdrivers use the irqdomain to demux AB8500 IRQs but here
in the hierarchical path we find a leftover instance using the
hard-coded IRQ base. Convert it to use irqdomain with a
oneliner.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
drivers/mfd/rtl8411.c: In function 'rtl8411_fetch_vendor_settings':
drivers/mfd/rtl8411.c:58:7: warning: 'reg1' is used uninitialized in this function [-Wuninitialized]
drivers/mfd/rtl8411.c: In function 'rtl8411b_fetch_vendor_settings':
drivers/mfd/rtl8411.c:79:7: warning: 'reg' is used uninitialized in this function [-Wuninitialized]
drivers/mfd/rtl8411.c: In function 'rtl8411_fetch_vendor_settings':
drivers/mfd/rtl8411.c:69:26: warning: 'reg3' may be used uninitialized in this function [-Wuninitialized]
Tested-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Don't use DEFINE_PCI_DEVICE_TABLE macro, because this macro
is not preferred.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Since we still need to rely on a mix of device tree initialized
drivers and legacy platform data initialize drivers, let's fix
the passing of platform data to twl4030-gpio.
As the twl4030 GPIO is initialized by twl-core.c, we need to register
the auxdata for twl4030 GPIO in twl-core.c.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Since currently nobody uses TWL603x platform data and all new
users will supply it through device tree, handling of these
data within twl-core will never be used, so remove it.
Signed-off-by: Ruslan Ruslichenko <ruslan.ruslichenko@globallogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add "const" to "static struct regmap_irq" and "static struct
regmap_config".
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Reviewed-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Match max14577 regulator driver by of_compatible specified in mfd_cell.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds max14577 core/irq driver to support MUIC(Micro USB IC)
device and charger device and support irq domain method to control
internal interrupt of max14577 device. Also, this patch supports DT
binding with max14577_i2c_parse_dt().
The MAXIM 14577 chip contains Micro-USB Interface Circuit and Li+ Battery
Charger. It contains accessory and USB charger detection logic. It supports
USB 2.0 Hi-Speed, UART and stereo audio signals over Micro-USB connector.
The battery charger is compliant with the USB Battery Charging Specification
Revision 1.1. It has also SFOUT LDO output for powering USB devices.
Reviewed-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add PM suspend/resume ops to the sec MFD core driver and make it a wake
up source. This allows proper waking from suspend to RAM and also fixes
broken interrupts after resuming:
[ 42.705703] sec_pmic 7-0066: Failed to read IRQ status: -5
Interrupts stop working after first resume initiated by them (e.g. by
RTC Alarm interrupt) because interrupt registers were not cleared properly.
When device is woken up from suspend by RTC Alarm, an interrupt occurs
before resuming I2C bus controller. The interrupt is handled by
regmap_irq_thread which tries to read RTC registers. This read fails
(I2C is still suspended) and RTC Alarm interrupt is disabled.
Disable the S5M8767 interrupts during suspend (disable_irq()) and enable
them during resume so the device will be still woken up but the interrupt
won't happen before resuming I2C bus.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Rename cros_ec_{probe,remove}_i2c() to cros_ec_i2c_{probe,remove}() for
consistency.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Rename cros_ec_{probe,remove}_spi() to cros_ec_spi_{probe,remove}() for
consistency.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
