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path: root/drivers/mfd
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2011-10-24mfd: Simulate active high IRQs with wm831xMark Brown
In order to ease system integration provide a simulation of active high IRQs on the GPIOs by polling the GPIO status when an IRQ is generated. This isn't ideal on several fronts and will miss initially active IRQs in the current implementation but it should work well for most cases. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24input: Add power button support for mc13783Philippe Rétornaz
This adds support for the power-on buttons of MC13783 PMIC. Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch> Acked-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Implicitly register mc13xxx led subdevicePhilippe Rétornaz
A led subdevice is registered now iff the corresponding platform data is available. Without platform data the device isn't usable so this is a sound check. Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Unconditionally register mc13xxx regulator subdevicePhilippe Rétornaz
Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Remove IRQF_DISABLED flag from twl4030-irqSamuel Ortiz
IRQF_DISABLED is a NOOP and is scheduled for removal. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Remove IRQF_DISABLEDYong Zhang
This flag is a NOOP and can be removed now. Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Set twl6030 irq_wake infrastructure upSantosh Shilimkar
TWL6030 devices have an interrupt line which is connected to application processor like OMAP. These devices support multiple features such as MMC card detect, USB cable detect, RTC interrupt, etc. that must wake up the application processor. With this change, TWL6030 client drivers can make use of irq_wake() if the wakeup is desirable on it's irq events. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Support software initiated shutdown of WM831x PMICsMark Brown
In systems where there is no hardware signal from the processor to the PMIC to initiate the final power off sequence we must initiate the shutdown with a register write to the PMIC. Support such systems in the driver. Since this may prevent a full shutdown of the system platform data is used to enable the feature. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Fix twl4030 dependencies for audio codecThomas Weber
The codec for Devkit8000 (TWL4030) was not detected except when build with CONFIG_SND_SOC_ALL_CODECS. twl-core.c still uses the CONFIG_TWL4030_CODEC for twl_has_codec(). In commit 57fe7251f5bfc4332f24479376de48a1e8ca6211 the CONFIG_TWL4030_CODEC was renamed into CONFIG_MFD_TWL4030_AUDIO, thatswhy the codec was not detected. This patch renames the CONFIG_ TWL4030_CODEC into CONFIG_MFD_TWL4030_AUDIO in twl-core.c. Signed-off-by: Thomas Weber <weber@corscience.de> Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: remove CONFIG_MFD_SUPPORTArnd Bergmann
We currently have two symbols to control compilation the MFD subsystem, MFD_SUPPORT and MFD_CORE. The MFD_SUPPORT is actually not required at all, it only hides the submenu when not set, with the effect that Kconfig warns about missing dependencies when another driver selects an MFD driver while MFD_SUPPORT is disabled. Turning the MFD submenu back from menuconfig into a plain menu simplifies the Kconfig syntax for those kinds of users and avoids the surprise when the menu suddenly appears because another driver was enabled that selects this symbol. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2011-10-24mfd: Remove mc13783 API functions and symbolsUwe Kleine-König
Now that all in-tree users are fixed to use the more general mc13xxx API the obsolete stuff can go away. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Provide a generic version of mc13xxx adc_do_conversionUwe Kleine-König
This is needed to convert the touch driver away from using struct mc13783. Note this patch drops MC13783_ADC0_ADREFMODE. This is unused and doesn't exist on mc13892. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Select REGMAP_I2C from WM8400Mark Brown
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Set twl4030-irq irq nested flagFelipe Balbi
Threads from twl4030's children will be called nested in the context of the demultiplexing handler on twl4030-irq.c. Signed-off-by: Felipe Balbi <balbi@ti.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Drop twl4030-irq's edge_workFelipe Balbi
... and do all the synchronization with the hardware during bus_sync_unlock. We can now remove all the workqueues. Signed-off-by: Felipe Balbi <balbi@ti.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Drop twl4030-irq's mask_workFelipe Balbi
... we can do the synchronization with the hardware when calling bus_sync_unlock as we're supposed to. While at that, also make variable names uniform on all functions. Signed-off-by: Felipe Balbi <balbi@ti.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Drop the twl4030-irq kthreadFelipe Balbi
... and use threaded IRQ infrastructure. Later patches will come dropping both workqueues and setting the nested thread flag. Signed-off-by: Felipe Balbi <balbi@ti.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Implement bus_lock/bus_sync_unlock twl4030-irq methodsFelipe Balbi
For doing that, drop the locking and change that to a mutex. Signed-off-by: Felipe Balbi <balbi@ti.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Remove twl4030-irq trailing whitespacesFelipe Balbi
trivial patch, no functional changes. Signed-off-by: Felipe Balbi <balbi@ti.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Wake-up from Suspend MAX8997 supportMyungJoo Ham
- Support wake-up from suspend-to-ram. - Handle pending interrupt after a resume. - If pdata->wakeup is enabled, by default, the device is assumed to be capable of wakeup (the interrupt pin is connected to a wakeup-source GPIO) and may wakeup the system (MAX8997 has a power button input pin). Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Add more checks for WM8994 being active during suspendMark Brown
Enhancements to the WM8994 audio driver and new features on more modern devices in the series mean that we can no longer rely on VMID being active as an indication that the device is active. Add further checks for digital paths and microphone detection. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Turn on the twl4030-madc MADC clockKyle Manna
Without turning the MADC clock on, no MADC conversions occur. $ cat /sys/class/hwmon/hwmon0/device/in8_input [ 53.428436] twl4030_madc twl4030_madc: conversion timeout! cat: read error: Resource temporarily unavailable Signed-off-by: Kyle Manna <kyle@kylemanna.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Allow WM8994 LDO enable pulls to be disabledMark Brown
In systems where the LDO enables are always driven (for example, being connected to an always on supply rail or a GPIO which is driven by the CPU even in suspend) then we can disable the pull downs on the LDO for a small power savings. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Make sure to request twl6030 IRQ before using the irq_numAxel Lin
I was trying to fix the error handling part because in the case of request_irq failure, it should call kthread_stop instead of free_irq. But it seems more reasonable to do request_irq before calling kthread_run. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Refactor ab8500 GPADC API, add raw accessKarl Komierowski
Refactor the GPADC interface to avoid bugs in calling code: - ab8500_gpadc_[convert|read_raw|ad_to_voltage] clarifies each functions use case, *convert wraps *read_raw, and we can access raw ADC values properly. - Renamed gpadc function arguments from "input" to "channel" to clarify use, so we don't get confused again. Signed-off-by: Kalle Komierowski <kalle.komierowski@stericsson.com> Reviewed-by: Mattias Wallin <mattias.wallin@stericsson.com> Reviewed-by: John Beckett <john.beckett@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Clean timberdale error handling code upJulia Lawall
In the first three cases, ioremap has been called, so iounmap is needed. A new label for this is introduced, to differentiate it from err_msix, which is the first point at which msix_entries actually needs to be freed. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Add missing #ifdef around tc3589x PM blockLinus Walleij
The CONFIG_PM code was unconditionally compiled in despite the dev_pm_ops only being included into the driver struct if used. Fix this by adding the missing #ifdef. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Define asic3 gpio_chip labelPaul Parsons
Defined the gpio_chip label in the mfd/asic3 driver for diagnostics. Signed-off-by: Paul Parsons <lost.distance@yahoo.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Make asic3_clk_enable() a void functionPaul Parsons
The return value of asic3_clk_enable() was neither used nor useful. So let's make it a void function, and thereby match asic3_clk_disable(). Signed-off-by: Paul Parsons <lost.distance@yahoo.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Add asic3 based LED suspend/resume handlersPaul Parsons
Added led suspend/resume handlers to the leds/leds-asic3 and mfd/asic3 drivers. On suspend the leds will be turned off and their clocks disabled. On resume the reverse. Signed-off-by: Paul Parsons <lost.distance@yahoo.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Fix asic3 based SD card resume after suspendPaul Parsons
The mfd/asic3 driver did not define the suspend/resume handlers for the mmc cell driver. Consequently the mmc driver did not resume properly after returning from suspend, making sd cards unusable and preventing suspend from being entered a second time. This patch adds the suspend/resume handlers, fixing the problem. Signed-off-by: Paul Parsons <lost.distance@yahoo.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Remove spurious newlines from wm831x-irq.cMark Brown
More annoying than usual as they're in the middle of a function. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Convert pcf50633 to use new register map APIMark Brown
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Tested-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-24mfd: Fix section mismatch warning in ab3550-coreWanlong Gao
This patch fixes: WARNING: drivers/mfd/built-in.o(.data+0x9998): Section mismatch in reference from the variable ab3550_driver to the function .init.text:ab3550_probe() The variable ab3550_driver references the function __init ab3550_probe() If the reference is valid then annotate the variable with __init* or __refdata (see linux/init.h) or name the variable: *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-17mfd: Enable rbtree cache for wm831x devicesMark Brown
Most useful with the regulators where we're doing a lot of read/modify/write updates in potentially performance critical paths. Providing some defaults would make this slightly better but this is a win right now. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2011-10-12MFD: twl6040: function to query the vibra status for clientsPeter Ujfalusi
If the client only interested, if any of the vibra channels enabled, or if any of the channels are set to receive audio data via PDM. This function targets mainly the vibra driver, so it can check if it is allowed to execute effects ot not. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Samuel Ortiz <samuel.ortiz@intel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-10-12MFD: twl6040: Cache the vibra control registersPeter Ujfalusi
The vibra control register will be used from the ASoC codec driver as well. In order to avoid latency issues caused by I2C read access, cache the two control register within the core driver, so we do not need to reach out to the chip to read it back. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Samuel Ortiz <samuel.ortiz@intel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-10-04mfd: Add WM1811 supportMark Brown
The WM1811 is mostly register compatible with the WM8994 and WM8958, providing a high performance audio hub CODEC in a small form factor suitable for ultra compact system designs. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2011-09-21mfd: Fix generic irq chip ack function name for jz4740-adcLars-Peter Clausen
In commit 659fb32d1b6("genirq: replace irq_gc_ack() with {set,clr}_bit variants"), irq_gc_ack was renamed to irq_gc_ack_set_bit. The jz4740-adc driver still uses the old name which results in a compile error. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-09-20mfd: Support software initiated shutdown of WM831x PMICsMark Brown
In systems where there is no hardware signal from the processor to the PMIC to initiate the final power off sequence we must initiate the shutdown with a register write to the PMIC. Support such systems in the driver. Since this may prevent a full shutdown of the system platform data is used to enable the feature. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-09-19MFD: twl6040: Fix power on GPIO handlingPeter Ujfalusi
Avoid requesting the audpwron gpio in case of ES1.0 revision. In the past we requested the gpio, but we did not free it up, since we made the check for the revision later. This results later checks for gpio validity to fail, leaving the gpio reserved (even after the driver has been removed). Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-19MFD: twl6040: Add accessor for revision IDPeter Ujfalusi
For client driver to use, if they need chip resvision information. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-19MFD: twl6040: Remove global pointer for platform_devicePeter Ujfalusi
There is no need to keep global pointer for the platform device, since it is only used for dev_* prints, and the device pointer available within the twl6040 structure. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-09-06mfd: Fix omap-usb-host build failureMing Lei
The patch fixes the build failure: drivers/mfd/omap-usb-host.c:1034:1: warning: data definition has no type or storage class drivers/mfd/omap-usb-host.c:1034:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL' drivers/mfd/omap-usb-host.c:1034:1: warning: parameter names (without types) in function declaration drivers/mfd/omap-usb-host.c:1040:1: warning: data definition has no type or storage class drivers/mfd/omap-usb-host.c:1040:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL' drivers/mfd/omap-usb-host.c:1040:1: warning: parameter names (without types) in function declaration drivers/mfd/omap-usb-host.c:1045:13: error: 'THIS_MODULE' undeclared here (not in a function) drivers/mfd/omap-usb-host.c:1050:15: error: expected declaration specifiers or '...' before string constant drivers/mfd/omap-usb-host.c:1050:1: warning: data definition has no type or storage class drivers/mfd/omap-usb-host.c:1050:1: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR' drivers/mfd/omap-usb-host.c:1050:15: warning: function declaration isn't a prototype drivers/mfd/omap-usb-host.c:1051:14: error: expected declaration specifiers or '...' before string constant drivers/mfd/omap-usb-host.c:1051:1: warning: data definition has no type or storage class drivers/mfd/omap-usb-host.c:1051:1: warning: type defaults to 'int' in declaration of 'MODULE_ALIAS' drivers/mfd/omap-usb-host.c:1051:14: warning: function declaration isn't a prototype drivers/mfd/omap-usb-host.c:1052:16: error: expected declaration specifiers or '...' before string constant drivers/mfd/omap-usb-host.c:1052:1: warning: data definition has no type or storage class drivers/mfd/omap-usb-host.c:1052:1: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE' drivers/mfd/omap-usb-host.c:1052:16: warning: function declaration isn't a prototype drivers/mfd/omap-usb-host.c:1053:20: error: expected declaration specifiers or '...' before string constant drivers/mfd/omap-usb-host.c:1053:1: warning: data definition has no type or storage class drivers/mfd/omap-usb-host.c:1053:1: warning: type defaults to 'int' in declaration of 'MODULE_DESCRIPTION' drivers/mfd/omap-usb-host.c:1053:20: warning: function declaration isn't a prototype make[2]: *** [drivers/mfd/omap-usb-host.o] Error 1 CC fs/proc/namespaces.o make[1]: *** [drivers/mfd] Error 2 make: *** [drivers] Error 2 make: *** Waiting for unfinished jobs.... Signed-off-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-09-06mfd: Make omap-usb-host TLL mode work againAnand Gadiyar
This code section seems to have been accidentally copy pasted. It causes incorrect bits to be set up in the TLL_CHANNEL_CONF register and prevents the TLL mode from working correctly. Cc: stable@kernel.org Signed-off-by: Anand Gadiyar <gadiyar@ti.com> Cc: Keshava Munegowda <keshava_mgowda@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-09-06mfd: Set MAX8997 irq pointerMyungJoo Ham
Required platform information is not handed to max8997-irq.c properly. This patch enables to hand over such information to max8997-irq.c so that max8997-irq functions properly. Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-09-06mfd: Fix initialisation of tps65910 interruptsJohan Hovold
Fix regression introduced by commit a2974732ca7614aaf0baf9d6dd3ad893d50ce1c5 (TPS65911: Add new irq definitions) which caused irq_num to be incorrectly set for tps65910. Cc: stable@kernel.org Signed-off-by: Johan Hovold <jhovold@gmail.com> Acked-by: Graeme Gregory <gg@slimlogic.co.uk> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-09-06mfd: Check for twl4030-madc NULL pointerKyle Manna
If the twl4030-madc device wasn't registered, and another device, such as twl4030-madc-hwmon, calls twl4030_madc_conversion() a NULL pointer is dereferenced. Signed-off-by: Kyle Manna <kyle@kylemanna.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-09-06mfd: Copy the device pointer to the twl4030-madc structureKyle Manna
Worst case this fixes the following error: [ 72.086212] (NULL device *): conversion timeout! Best case it prevents a crash Signed-off-by: Kyle Manna <kyle@kylemanna.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-09-06mfd: Rename wm8350 static gpio_set_debounce()Sascha Hauer
The kernel already has a function with this name declared in asm-generic/gpio.h. So if this header leaks into wm8350/gpio.c we get drivers/mfd/wm8350-gpio.c:40:12: error: conflicting types for 'gpio_set_debounce' include/asm-generic/gpio.h:156:12: note: previous declaration of 'gpio_set_debounce' was here Fix this by adding a wm8350_ prefix to the function. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>