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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>
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>
