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path: root/drivers/mfd
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2010-01-18mfd: Unlock mc13783 before subsystems initialisation, at probe time.Alberto Panizzo
With this, mc13783 subsystems drivers can configure the mc13783 chip reading and writing registers. Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-01-18mfd: WM835x GPIO direction register is not lockedMark Brown
No need to set the security key when writing to it. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-01-18mfd: tmio_mmc hardware abstraction for CNF areaIan Molton
This patch abstracts out the CNF area code from tmio_mmc which is not present in all hardware that can use this driver. This is required so that we can support non-toshiba based hardware. ASIC3 support by Philipp Zabel Signed-off-by: Ian Molton <ian@mnementh.co.uk> Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-01-18mfd: WM8350 off by one bugDan Carpenter
If irq == WM8350_NUM_IRQ that would put us past the end of the array. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-31twl4030-irq.c: fix compiler warning due to raw-spinlock conversionLinus Torvalds
Commit 239007b844 ("genirq: Convert irq_desc.lock to raw_spinlock") seems to have missed this driver, leaving it to use the normal spin-lock functions for the irq descriptor lock, which is now a raw lock. Reported-and-compile-tested-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-15mfd: compile fix for twl4030 renamingStephen Rothwell
Caused by commit 0b83ddebc6e884dc0221358cf68c461520fbdd8e ("MFD: twl4030: add twl4030_codec MFD as a new child to the core") interacting with commit b07682b6056eb6701f8cb86aa5800e6f2ea7919b ("mfd: Rename twl4030* driver files to enable re-use"). This file seems to have been missed in the renaming. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-15Merge git://git.infradead.org/battery-2.6Linus Torvalds
* git://git.infradead.org/battery-2.6: power_supply_sysfs: Handle -ENODATA in a special way wm831x_backup: Remove unused variables gta02: Set pcf50633 charger_reference_current_ma pcf50633: Query charger status directly pcf50633: Properly reenable charging when the supply conditions change pcf50633: Get rid of charging restart software auto-triggering pcf50633: introduces battery charging current control pcf50633: Add ac power supply class to the charger wm831x: Factor out WM831x backup battery charger
2009-12-14mfd: Add twl6030 regulator subdevicesRajendra Nayak
This patch adds initial support for creating twl6030 PMIC specific voltage regulators in the twl mfd driver. Board specific regulator configurations will have to be passed from respective board files. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Balaji T K <balajitk@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Reviewed-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-14mfd: Add support for twl6030 irq frameworkBalaji T K
This patch adds support for phoenix interrupt framework. New iInterrupt status register A, B, C are introduced in Phoenix and are cleared on write. Due to the differences in interrupt handling with respect to TWL4030, twl6030-irq.c is created for TWL6030 PMIC Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Rename twl4030_ routines in twl-regulator.cRajendra Nayak
This patch renames all twl4030_ functions to twl so that regulator driver can be reused by Triton - TWL4030 and Phoenix - TWL6030. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Rename twl4030_ routines in rtc-twl.cBalaji T K
This patch renames all twl4030_ functions to twl_ so that RTC driver can be shared between Triton and Phoenix. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Nayak Rajendra <rnayak@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Rename all twl4030_i2c*Balaji T K
This patch renames function names like twl4030_i2c_write_u8, twl4030_i2c_read_u8 to twl_i2c_write_u8, twl_i2c_read_u8 and also common variable in twl-core.c Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Rename twl4030* driver files to enable re-useSantosh Shilimkar
The upcoming TWL6030 is companion chip for OMAP4 like the current TWL4030 for OMAP3. The common modules like RTC, Regulator creates opportunity to re-use the most of the code from twl4030. This patch renames few common drivers twl4030* files to twl* to enable the code re-use. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Clarify twl4030 return value for read and writeAmit Kucheria
We should be checking if all the messages were tranferred. If not, then we should propagate the i2c core error code or EIO. Currently we return success (0) even if none of messages were transferred successfully. Signed-off-by: Amit Kucheria <amit.kucheria@verdurent.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Add all twl4030 regulators to the twl4030 mfd driverJuha Keski-Saari
Add all twl4030 regulators to the twl4030 mfd driver and twl4030_platform_data Signed-off-by: Juha Keski-Saari <ext-juha.1.keski-saari@nokia.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Don't set mc13783 ADREFMODE for touch conversionsUwe Kleine-König
Setting ADREFMODE is utter nonsense, but that's hard to read out of the spec. Strange enough it's possible to read x and y values even when it's set. When unset you can get values not only for the axes, but also for contact resistance which allows the touch driver to report pressure values. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Near complete mc13783 rewriteUwe Kleine-König
This fixes several things while still providing the old API: - simplify and fix locking - better error handling - don't ack all irqs making it impossible to detect a reset of the rtc - use a timeout variant to wait for completion of ADC conversion - provide platform-data to regulator subdevice (This allows making struct mc13783 opaque for other drivers after the regulator driver is updated to use its platform_data.) - expose all interrupts - use threaded irq After all users in mainline are converted to the new API, some things (e.g. mc13783-private.h) can go away. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Remove build time warning for WM835x register default tablesMark Brown
Systems using the WM835x need to choose which of the default register settings are required on the system. Currently there is a compile time warning as well as a runtime error intended to flag up to users that this is required but this also triggers for people building the driver in order to obtain build coverage. Remove the build warning, leaving only the runtime error, in order to reduce noise for people doing generic kernel work. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Force I2C to be built in when building WM831xMark Brown
This works around issues with allmodconfig where it won't propagate the dependency from the WM831x core back to the I2C and MFD cores. When doing allmodconfig this causes WM831x to be omitted and ensures that in normal builds the dependencies get shaken out. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Don't allow wm831x to be built as a moduleMark Brown
The genirq infrastructure functions aren't currently exported, preventing modular builds. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Fix incorrect error check for wm8350-coreDan Carpenter
It was *pdev which was allocated not pdev. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Fix twl4030 warningAlan Cox
Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Remove default selection of AB4500Linus Walleij
This remove the default 'y' selection of AB4500, currently everyone enabling the SPI subsystem will get a copy of this driver. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Move WM831x to generic IRQMark Brown
Replace the wm831x-local IRQ infrastructure with genirq, allowing access to the diagnostic infrastructure of genirq and allowing us to implement interrupt support for the GPIOs. The switchover is done within the wm831x specific IRQ API, further patches will convert the individual drivers to use genirq directly. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Initial support for twl5031Ilkka Koskinen
TWL5031 introduces two new interrupts in PIH. Moreover, BCI has changed remarkably and, thus, it's disabled when TWL5031 is in use. Signed-off-by: Ilkka Koskinen <ilkka.koskinen@nokia.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Mask and unmask wm8350 IRQs on request and freeMark Brown
Bring the WM8350 IRQ API more in line with the generic IRQ API by masking and unmasking interrupts as they are requested and freed. This is mostly just a case of deleting the mask and unmask calls from the individual drivers. The RTC driver is changed to mask the periodic IRQ after requesting it rather than only unmasking the alarm IRQ. If the periodic IRQ fires in the period where it is reqested then there will be a spurious notification but there should be no serious consequences from this. The CODEC drive is changed to explicitly disable headphone jack detection prior to requesting the IRQs. This will avoid the IRQ firing with no jack set up. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Convert wm8350 IRQ handlers to irq_handler_tMark Brown
This is done as simple code transformation, the semantics of the IRQ API provided by the core are are still very different to those of genirq (mainly with regard to masking). Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: ezx-pcap: Don't pass pcap pointer as subdev drvdata.Antonio Ospite
Abusing subdev drvdata is not needed anymore, as all pcap subdevs are now retrieving the pcap pointer from their parent device. This change removes a leftover coming from early versions of ezx-pcap and its subdevs drivers. Signed-off-by: Antonio Ospite <ospite@studenti.unina.it> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Allow configuration of VDCDC2 for tps65010Ben Dooks
Add function to allow the configuation fo the VDCDC2 register by external users, to allow changing of the standard and low-power running modes. This is needed, for example, for the Simtec IM2440D20 where we need to use the low-power mode to shutdown the LDO/DCDC that are not needed during suspend (saving substantial power) and the runtime use of the low-power mode to change VCore. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Simtec Linux Team <linux@simtec.co.uk> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Allow the board to choose any GPIO base for tps65010Ben Dooks
If the board does not care where the TPS turns up, then specifiying the value -1 to get gpiolib to dynamically allocate the base for the chip is valid. Change the test to look for != 0, so that any boards specifying zero will not end up with gpio that they didn't want. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Simtec Liunx Team <linux@simtec.co.uk> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Enable twl4030 32kHz oscillator low-power modeIlkka Koskinen
Allows TWL's 32kHz oscillator to go in low-power mode when main battery voltage is running low. Signed-off-by: Ilkka Koskinen <ilkka.koskinen@nokia.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Fix more undefined twl4030-power resconfig value checksAmit Kucheria
Based on Aaro's previous fix, this needs to be fixed for the newly added remap_off and remap_sleep resources as well. The code tries to skip values initialized with -1, but since the values are unsigned the comparison is always true. The patch eliminates the following compiler warnings: drivers/mfd/twl4030-power.c: In function 'twl4030_configure_resource': drivers/mfd/twl4030-power.c:338: warning: comparison is always true due to limited range of data type Signed-off-by: Amit Kucheria <amit.kucheria@verdurent.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Cleanup pcf50633_probe error handlingLars-Peter Clausen
Currently the child devices were not freed if the irq could not be requested. This patch restructures the function, that in case of an error all previously allocated resources are freed. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Paul Fertser <fercerpav@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Staticise __adp5520_ack_bits()Mark Brown
The function is not exported as the __ indicates. __ Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: fix undefined twl4030-power resconfig value checksAaro Koskinen
The code tries to skip values initialized with -1, but since the values are unsigned the comparison is always true. The patch eliminates the following compiler warnings: drivers/mfd/twl4030-power.c: In function 'twl4030_configure_resource': drivers/mfd/twl4030-power.c:338: warning: comparison is always true due to limited range of data type drivers/mfd/twl4030-power.c:358: warning: comparison is always true due to limited range of data type drivers/mfd/twl4030-power.c:363: warning: comparison is always true due to limited range of data type Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Add support for remapping twl4030-power power statesAmit Kucheria
The <RESOURCE>_REMAP register allows configuration of the <RESOURCE> in case of a sleep or off transition. Allow this property of resources to be configured (through twl4030_resconfig) and add code to parse these values to program the registers accordingly. Signed-off-by: Amit Kucheria <amit.kucheria@verdurent.com> Cc: linux-omap@vger.kernel.org Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Add comments for the twl4030-power register and bit layoutAmit Kucheria
Describe how the resource registers are laid out and the various bit-fields in them. Signed-off-by: Amit Kucheria <amit.kucheria@verdurent.com> Cc: linux-omap@vger.kernel.org Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: twl4030-power: Rename DEVGROUP to DEV_GRPAmit Kucheria
Stick to the names used in the reference manual Signed-off-by: Amit Kucheria <amit.kucheria@verdurent.com> Cc: linux-omap@vger.kernel.org Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Fix pcf50633-regulator drvdata usageLars-Peter Clausen
Currently the pcf50633-regulator driver data is set to the pcf50633 core structure, but the pcf50633-regulator remove handler assumes that it is set to the regulator device. This patch fixes the issue by accessing the pcf506533 core structure through its parent device and setting the driver data to the regulator device. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Paul Fertser <fercerpav@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Use platform_device_add_data to set pcf50633 regulator platform dataLars-Peter Clausen
Platform devices allocated with platform_device_alloc should use platform_device_add_data to set the platform data, because kfree will be called on the platform_data when the device is released. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Paul Fertser <fercerpav@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Fix memleak in pcf50633_client_dev_registerLars-Peter Clausen
Since platform_device_add_data copies the passed data, the allocated subdev_pdata is never freed. A simple fix would be to either free subdev_pdata or put it onto the stack. But since the pcf50633 child devices can rely on beeing children of the pcf50633 core device it's much more elegant to get access to pcf50633 core structure through that link. This allows to get completly rid of pcf5033_subdev_pdata. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Paul Fertser <fercerpav@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Move pcf50633 messages to appropriate log levelsArnaud Patard
IRQs masking/unmasking should be less verbose. Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: Paul Fertser <fercerpav@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Make pcf50633 suspend/resume belong to i2c_driverLars-Peter Clausen
When not using the i2c suspend/resume callbacks the i2c client resumed before the i2c master. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Paul Fertser <fercerpav@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Disable unnecessary pcf50633 shutdown on lowsysPaul Fertser
On gta02 hardware revision A5 it can actually bring the system down during normal operating conditions so we disable it. Signed-off-by: Paul Fertser <fercerpav@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Convert WM835x IRQ handling to use a data tableMark Brown
Rather than open coding individual IRQs in each function which manipulates them store data for IRQs in a table which is then referenced in the users. This is a substantial code shrink and should be a performance win in cases where only a single IRQ goes off at once since instead of reading four of the second level IRQ registers for each interrupt we read only the sub-registers which have had an interrupt flagged. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Split wm8350 IRQ code into a separate fileMark Brown
In preparation for refactoring - it's over 700 lines of well-isolated code and having it in a file by itself makes things more managable. While we're at it make sure that we clean up the IRQ if we fail after acquiring it on init. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Add ADP5520/ADP5501 driverMichael Hennerich
Base driver for Analog Devices ADP5520/ADP5501 MFD PMICs Subdevs: LCD Backlight : drivers/video/backlight/adp5520_bl.c LEDs : drivers/led/leds-adp5520.c GPIO : drivers/gpio/adp5520-gpio.c (ADP5520 only) Keys : drivers/input/keyboard/adp5520-keys.c (ADP5520 only) Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Fix 88PM8607 I2C dependencyHaojian Zhuang
88PM8607 depends on I2C and MFD_CORE. Since 88PM8607 is built-in kernel, it also requires that I2C and MFD_CORE are built-in kernel also. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Move asic3_remove to .devexit.textUwe Kleine-König
The function asic3_remove is used only wrapped by __devexit_p so define it using __devexit. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13mfd: Add support for WM8320 PMICsMark Brown
The WM8320 is an integrated power management subsystem providing voltage regulators, RTC, watchdog and other functionality. The WM8320 is derived from the WM831x and therefore shares most of the driver code with the WM831x. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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