Commit Graph

539 Commits

Author SHA1 Message Date
Linus Walleij 3dda927fdb Merge branch 'ib-qcom-ssbi' into devel 2019-02-21 12:58:31 +01:00
Christoph Hellwig ff4c25f26a dma-mapping: improve selection of dma_declare_coherent availability
This API is primarily used through DT entries, but two architectures
and two drivers call it directly.  So instead of selecting the config
symbol for random architectures pull it in implicitly for the actual
users.  Also rename the Kconfig option to describe the feature better.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-02-20 07:26:35 -07:00
Andrew Lunn 2f17dd34ff mfd: tqmx86: IO controller with I2C, Wachdog and GPIO
The QMX86 is a PLD present on some TQ-Systems ComExpress modules. It
provides 1 or 2 I2C bus masters, 8 GPIOs and a watchdog timer. Add an
MFD which will instantiate the individual drivers.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-02-18 09:06:57 +00:00
Brian Masney de744e01aa mfd: pm8xxx: select IRQ_DOMAIN_HIERARCHY in Kconfig
Select IRQ_DOMAIN_HIERARCHY for pm8xxx in Kconfig since this driver uses
the version 2 IRQ interfaces. IRQ_DOMAIN_HIERARCHY selects IRQ_DOMAIN,
so it can be removed from here.

Signed-off-by: Brian Masney <masneyb@onstation.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-02-14 10:02:54 +01:00
Christoph Hellwig d037739220 mfd/sm501: depend on HAS_DMA
Currently the sm501 mfd driver can be compiled without any dependencies,
but through the use of dma_declare_coherent it really depends on
having DMA and iomem support.  Normally we don't explicitly require DMA
support as we have stubs for it if on UML, but in this case the driver
selects support for dma_declare_coherent and thus also requires
memmap support.  Guard this by an explicit dependency.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Lee Jones <lee.jones@linaro.org>
2019-02-13 19:18:15 +01:00
Charles Keepax 422dcafe47 mfd: lochnagar: Add support for the Cirrus Logic Lochnagar
Lochnagar is an evaluation and development board for Cirrus
Logic Smart CODEC and Amp devices. It allows the connection of
most Cirrus Logic devices on mini-cards, as well as allowing
connection of various application processor systems to provide a
full evaluation platform. This driver supports the board
controller chip on the Lochnagar board. Audio system topology,
clocking and power can all be controlled through the Lochnagar
controller chip, allowing the device under test to be used in
a variety of possible use cases.

As the Lochnagar is a fairly complex device this MFD driver
allows the drivers for the various features to be bound
in. Initially clocking, regulator and pinctrl will be added as
these are necessary to configure the system. But in time at least
audio and voltage/current monitoring will also be added.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-02-07 10:44:00 +00:00
Jarkko Nikula 09fdc98577 mfd: Kconfig: Fix I2C_DESIGNWARE_PLATFORM dependencies
INTEL_SOC_PMIC, INTEL_SOC_PMIC_CHTWC and MFD_TPS68470 select the
I2C_DESIGNWARE_PLATFORM without its dependencies making it possible to see
warning and build error like below:

WARNING: unmet direct dependencies detected for I2C_DESIGNWARE_PLATFORM
  Depends on [n]: I2C [=y] && HAS_IOMEM [=y] && (ACPI [=y] && COMMON_CLK [=n] || !ACPI [=y])
  Selected by [y]:
  - MFD_TPS68470 [=y] && HAS_IOMEM [=y] && ACPI [=y] && I2C [=y]=y

/usr/bin/ld: drivers/i2c/busses/i2c-designware-platdrv.o: in function `dw_i2c_plat_resume':
i2c-designware-platdrv.c:(.text+0x62): undefined reference to `i2c_dw_prepare_clk'
/usr/bin/ld: drivers/i2c/busses/i2c-designware-platdrv.o: in function `dw_i2c_plat_suspend':
i2c-designware-platdrv.c:(.text+0x9a): undefined reference to `i2c_dw_prepare_clk'
/usr/bin/ld: drivers/i2c/busses/i2c-designware-platdrv.o: in function `dw_i2c_plat_probe':
i2c-designware-platdrv.c:(.text+0x41c): undefined reference to `i2c_dw_prepare_clk'
/usr/bin/ld: i2c-designware-platdrv.c:(.text+0x438): undefined reference to `i2c_dw_read_comp_param'
/usr/bin/ld: i2c-designware-platdrv.c:(.text+0x545): undefined reference to `i2c_dw_probe'
/usr/bin/ld: i2c-designware-platdrv.c:(.text+0x727): undefined reference to `i2c_dw_probe_slave'

Fix this by making above options to depend on I2C_DESIGNWARE_PLATFORM
being built-in. I2C_DESIGNWARE_PLATFORM is a visible symbol with
dependencies so in general the select should be avoided.

Fixes: acebcff9ed ("mfd: intel_soc_pmic: Select designware i2c-bus driver")
Fixes: de85d79f4a ("mfd: Add Cherry Trail Whiskey Cove PMIC driver")
Fixes: 9bbf6a15ce ("mfd: Add support for TPS68470 device")
Cc: Stable <stable@vger.kernel.org> # v4.14+
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-02-01 08:21:13 +00:00
Lee Jones fa56a62d01 Merge branches 'ib-mfd-iio-input-5.1', 'ib-mfd-input-watchdog-5.1' and 'ib-mfd-platform-5.1' into ibs-for-mfd-merged 2019-02-01 08:20:04 +00:00
Enric Balletbo i Serra 6fd7f2bbd4 mfd / platform: cros_ec: Move device sysfs attributes to its own driver
The entire way how cros debugfs attibutes are created is broken.
cros_ec_sysfs should be its own driver and its attributes should be
associated with the sysfs driver not the mfd driver.

The patch also adds the sysfs documentation.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-02-01 08:09:27 +00:00
Sinan Kaya 9baddb61df mfd: Fix unmet dependency warning for MFD_TPS68470
After commit 5d32a66541 ("PCI/ACPI: Allow ACPI to be built without
CONFIG_PCI set") dependencies on CONFIG_PCI that previously were
satisfied implicitly through dependencies on CONFIG_ACPI have to be
specified directly.

WARNING: unmet direct dependencies detected for I2C_DESIGNWARE_PLATFORM
  Depends on [n]: I2C [=y] && HAS_IOMEM [=y] && (ACPI [=y] && COMMON_CLK [=n] || !ACPI [=y])
  Selected by [y]:
  - MFD_TPS68470 [=y] && HAS_IOMEM [=y] && ACPI [=y] && I2C [=y]=y

MFD_TPS68470 is an ACPI only device and selects I2C_DESIGNWARE_PLATFORM.

I2C_DESIGNWARE_PLATFORM does not have any configuration today for ACPI
support without CONFIG_PCI set.

For sake of a quick fix this introduces a new mandatory dependency to
the driver which may survive without it. Otherwise we need to revisit
the driver architecture to address this properly.

Fixes: 5d32a66541 ("PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set")
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-01-29 10:55:34 +01:00
Pascal PAILLET-LME 51908d2e9b mfd: stpmic1: Add STPMIC1 driver
STPMIC1 is a PMIC from STMicroelectronics. The STPMIC1 integrates 10
regulators, 3 power switches, a watchdog and an input for a power on key.

Signed-off-by: Pascal Paillet <p.paillet@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-01-16 13:59:34 +00:00
Stefan Agner 6377cfa3b8 mfd: stmpe: Preparations for STMPE ADC driver
This prepares the MFD for the STMPE ADC driver. This commit introduces
devicetree settings that are used by the ADC and adds an init function.
Common ADC settings that are shared with the touchscreen driver can now
reside in the overlying MFD.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-01-16 12:36:12 +00:00
Jean Delvare 628f3dfe4c mfd: at91-usart: Add platform dependency
It doesn't make sense to present option MFD_AT91_USART by default if
not building an AT91 kernel, as the drivers which depend on it are
not available.

Fixes: 7d3aa342ce ("mfd: at91-usart: Add MFD driver for USART")
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-01-03 08:32:42 +00:00
Krzysztof Kozlowski eef0594aee mfd: sec-core: Allow building as module
The main MFD driver for Samsung PMICs (S2MPSXX, S5M876X) used with
Exynos SoCs can be compiled and used as a module.  The dependent clock,
regulator and RTC drivers already can be built as a module.

Building entire set of drivers as modules might require using initial
ramdisk and can make booting process longer (due to probe deferrals).
However adding such option is useful for testing and for multi-platform
configurations.

This also add required module authors to sec-irq.c file based on recent
main contributors.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23 08:58:34 +01:00
Krzysztof Kozlowski 838a724072 mfd: sec-core: Fix indentation of Kconfig description
The indentation should be a tab followed by two spaces.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23 08:58:34 +01:00
Radu Pirea 7d3aa342ce mfd: at91-usart: Add MFD driver for USART
This MFD driver is just a wrapper over atmel_serial driver and
spi-at91-usart driver. Selection of one of the drivers is based on a
property from device tree. If the property is not specified, the default
driver is atmel_serial.

Signed-off-by: Radu Pirea <radu.pirea@microchip.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-09-10 16:07:24 +01:00
Matti Vaittinen 30107fa690 mfd: bd71837: Core driver for ROHM BD71837 PMIC
ROHM BD71837 PMIC MFD driver providing interrupts and support
for three subsystems:
- clk
- Regulators
- input/power-key

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-08-16 10:13:37 +01:00
Lee Jones e5ff19cf75 Immutable branch (mfd, chrome) due for the v4.19 window
Immutable Branch which moves the cros_ec_i2c and cros_ec_spi
 transport drivers from mfd to platform/chrome. Changes in arm are a simple
 rename in defconfigs. Change in input is a rename in help text.
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Merge branches 'ib-mfd-4.19', 'ib-mfd-gpio-pinctrl-4.19', 'ib-mfd-i915-media-platform-4.19' and 'ib-mfd-regulator-4.19', tag 'ib-platform-chrome-mfd-move-cros-ec-transport-for-4.19' into ibs-for-mfd-merged

Immutable branch (mfd, chrome) due for the v4.19 window

Immutable Branch which moves the cros_ec_i2c and cros_ec_spi
transport drivers from mfd to platform/chrome. Changes in arm are a simple
rename in defconfigs. Change in input is a rename in help text.
2018-07-27 08:11:37 +01:00
Enric Balletbo i Serra d00a8741fd
platform/chrome: Move cros-ec transport drivers to drivers/platform.
There are some cros-ec transport drivers (I2C, SPI) living in MFD, while
others (LPC) living in drivers/platform. The transport drivers are more
platform specific. So, move the I2C and SPI transport drivers to the
platform/chrome directory. The patch also removes the MFD_ prefix of
their Kconfig symbols.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
2018-07-03 12:40:06 -07:00
Richard Fitzgerald 5c76ee4e40 mfd: madera: Register map tables for Cirrus Logic CS47L90/91
Regmap configuration tables for Cirrus Logic CS47L90 and CS47L91 codecs.

Signed-off-by: Nikesh Oswal <nikesh@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-06-05 11:15:12 +01:00
Richard Fitzgerald bb7320986f mfd: madera: Register map tables for Cirrus Logic CS47L85
Regmap configuration tables for Cirrus Logic CS47L85 codecs.

Signed-off-by: Nariman Poushin <nariman@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-06-05 11:15:08 +01:00
Richard Fitzgerald f975b7faf1 mfd: madera: Register map tables for Cirrus Logic CS47L35
Regmap configuration tables for Cirrus Logic CS47L35 codecs.

Signed-off-by: Piotr Stankiewicz <piotrs@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-06-05 11:15:01 +01:00
Richard Fitzgerald 16b27467f4 mfd: madera: Add common support for Cirrus Logic Madera codecs
This adds the generic core support for Cirrus Logic "Madera" class codecs.
These are complex audio codec SoCs with a variety of digital and analogue
I/O, onboard audio processing and DSPs, and other features.

These codecs are all based off a common set of hardware IP so can be
supported by a core of common code (with a few minor device-to-device
variations).

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Nikesh Oswal <Nikesh.Oswal@cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-06-05 11:14:56 +01:00
Linus Walleij a23670df27 mfd: pm8xxx: Make elegible for COMPILE_TEST
This should be enabled so that we get full compile coverage
of the PM8xxx MFD core with the different subdrivers.

Tested on the build servers.

Suggested-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-01-08 11:03:35 +00:00
Lee Jones 8848ff4206 Immutable branch for both MFD and EXTCON tree.
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Merge branches 'ib-mfd-leds-4.16', 'ib-mfd-memstick-misc-mmc-4.16', 'ib-mfd-platform-4.16' and 'ib-mfd-tty-watchdog-4.16', tag 'ib-extcon-mfd-4.16-1' into ibs-for-mfd-merged

Immutable branch for both MFD and EXTCON tree.
2018-01-08 11:02:37 +00:00
Andrey Smirnov 538ee27290 mfd: Add driver for RAVE Supervisory Processor
Add a driver for RAVE Supervisory Processor, an MCU implementing
various bits of housekeeping functionality (watchdoging, backlight
control, LED control, etc) on RAVE family of products by Zodiac
Inflight Innovations.

This driver implementes core MFD/serdev device as well as
communication subroutines necessary for commanding the device.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Acked-by: Philippe Ombredanne <pombredanne@nexb.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-01-08 10:08:35 +00:00
Thierry Escande 5e0115581b cros_ec: Move cros_ec_dev module to drivers/mfd
The cros_ec_dev module is responsible for registering the MFD devices
attached to the ChromeOS EC. This patch moves this module to drivers/mfd
so calls to mfd_add_devices() are not done from outside the MFD subtree
anymore.

Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-12-15 10:46:06 +00:00
Rui Feng e455b69ddf misc: rtsx: Move Realtek Card Reader Driver to misc
Because Realtek card reader drivers are pcie and usb drivers,
and they bridge mmc subsystem and memstick subsystem, they are
not mfd drivers. Greg and Lee Jones had a discussion about
where to put the drivers, the result is that misc is a good
place for them, so I move all files to misc. If I don't move
them to a right place, I can't add any patch for this driver.

Signed-off-by: Rui Feng <rui_feng@realsil.com.cn>
Reviewed-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: Perry Yuan <perry_yuan@dell.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-11-29 10:16:44 +00:00
Linus Torvalds d3092e4e99 - New Drivers
- Add support for Cherry Trail Dollar Cove TI PMIC
    - Add support for Add Spreadtrum SC27xx series PMICs
 
  - New Device Support
    - Add support Regulator to axp20x
 
  - New Functionality
    - Add DT support; aspeed-scu sc27xx-pmic
    - Add power saving support; rts5249
 
  - Fix-ups
    - DT clean-up/rework; tps65217, max77693, iproc-cdru, iproc-mhb, tps65218
    - Staticise/constify; stw481x
    - Use new succinct IRQ API; fsl-imx25-tsadc
    - Kconfig fix-ups; MFD_TPS65218
    - Identify SPI method; lpc_ich
    - Use managed resources (devm_*) calls; ssbi
    - Remove unused/obsolete code/documentation; mc13xxx
 
  - Bug Fixes
    - Fix typo in MAINTAINERS
    - Fix error handling; mxs-lradc
    - Clean-up IRQs on .remove; fsl-imx25-tsadc
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Merge tag 'mfd-next-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New drivers:
   - Add support for Cherry Trail Dollar Cove TI PMIC
   - Add support for Add Spreadtrum SC27xx series PMICs

  New device support:
   - Add support Regulator to axp20x

  New functionality:
   - Add DT support; aspeed-scu sc27xx-pmic
   - Add power saving support; rts5249

  Fix-ups:
   - DT clean-up/rework; tps65217, max77693, iproc-cdru, iproc-mhb, tps65218
   - Staticise/constify; stw481x
   - Use new succinct IRQ API; fsl-imx25-tsadc
   - Kconfig fix-ups; MFD_TPS65218
   - Identify SPI method; lpc_ich
   - Use managed resources (devm_*) calls; ssbi
   - Remove unused/obsolete code/documentation; mc13xxx

  Bug fixes:
   - Fix typo in MAINTAINERS
   - Fix error handling; mxs-lradc
   - Clean-up IRQs on .remove; fsl-imx25-tsadc"

* tag 'mfd-next-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (21 commits)
  dt-bindings: mfd: mc13xxx: Remove obsolete property
  mfd: axp20x: Add axp20x-regulator cell for AXP813
  mfd: Add Spreadtrum SC27xx series PMICs driver
  dt-bindings: mfd: Add Spreadtrum SC27xx PMIC documentation
  mfd: ssbi: Use devm_of_platform_populate()
  mfd: fsl-imx25: Clean up irq settings during removal
  mfd: mxs-lradc: Fix error handling in mxs_lradc_probe()
  mfd: lpc_ich: Avoton/Rangeley uses SPI_BYT method
  mfd: tps65218: Introduce dependency on CONFIG_OF
  mfd: tps65218: Correct the config description
  MAINTAINERS: Fix Dialog search term for watchdog binding file
  mfd: fsl-imx25: Set irq handler and data in one go
  mfd: rts5249: Add support for RTS5250S power saving
  ACPI / PMIC: Add opregion driver for Intel Dollar Cove TI PMIC
  mfd: Add support for Cherry Trail Dollar Cove TI PMIC
  syscon: dt-bindings: Add binding document for iProc MHB block
  syscon: dt-bindings: Add binding doc for Broadcom iProc CDRU
  mfd: max77693: Add muic of_compatible in mfd_cell
  mfd: stw481x: Make three arrays static const, reduces object code size
  mfd: tps65217: Introduce dependency on CONFIG_OF
  ...
2017-11-16 09:15:57 -08:00
Baolin Wang 25ca4ae434 mfd: Add Spreadtrum SC27xx series PMICs driver
This patch adds support for Spreadtrum SC27xx series PMIC MFD core, and It
provides communication through the SPI interfaces. The SC27xx series PMICs
contains the following 6 major components:
- DCDCs
- LDOs
- Battery management system
- Audio codec
- User interface function, such as indicator, flash LED
- IC level function, such as power on/off, type-c

Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-11-01 09:32:54 +00:00
Keerthy b2b3adc93e mfd: tps65218: Introduce dependency on CONFIG_OF
Currently the driver boots only via device tree hence add a
dependency on CONFIG_OF. This leaves with a bunch of unused code
so clean that up.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-10-13 10:42:59 +01:00
Keerthy 8f76af65a5 mfd: tps65218: Correct the config description
When the initial support was added for this PMIC was added
only regulator support was present. Now we have GPIO and Powerbutton
support as well. Hence correct the description of MFD_TPS65218 config
option.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-10-13 10:42:59 +01:00
Takashi Iwai 6bac0606fd mfd: Add support for Cherry Trail Dollar Cove TI PMIC
This patch adds the MFD driver for Dollar Cove (TI version) PMIC with
ACPI INT33F5 that is found on some Intel Cherry Trail devices.
The driver is based on the original work by Intel, found at:
  https://github.com/01org/ProductionKernelQuilts

This is a minimal version for adding the basic resources.  Currently,
only ACPI PMIC opregion and the external power-button are used.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=193891

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-10-13 10:42:58 +01:00
Keerthy 511cb17448 mfd: tps65217: Introduce dependency on CONFIG_OF
Currently the driver boots only via device tree hence add a
dependency on CONFIG_OF. This leaves with a bunch of unused code
so clean that up. This patch also makes use of probe_new function
in place of the probe function so as to avoid passing i2c_device_id.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-10-13 10:42:58 +01:00
Robert Jarzmik a5c6951c49 mfd: wm97xx-core: core support for wm97xx Codec
The WM9705, WM9712 and WM9713 are highly integrated codecs, with an
audio codec, DAC and ADC, GPIO unit and a touchscreen interface.

Historically the support was spread across drivers/input/touchscreen and
sound/soc/codecs. The sharing was done through ac97 bus sharing. This
model will not withstand the new AC97 bus model, where codecs are
discovered on runtime.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-09-19 17:07:24 +01:00
Hans de Goede b01e9348e1 mfd: intel_soc_pmic: Differentiate between Bay and Cherry Trail CRC variants
Both Bay and Cherry Trail devices may be used together with a Crystal Cove
PMIC. Each platform has its own variant of the PMIC, which both use the
same ACPI HID, but they are not 100% compatible.

This commits makes the intel_soc_pmic_core code check the _HRV of the
ACPI-firmware-node and selects intel_soc_pmic_config_byt_crc resp.
intel_soc_pmic_config_cht_crc based on this.

This fixes the Bay Trail specific ACPI OpRegion code causing problems
on Cherry Trail devices. Specifically this was causing the external
microsd slot on a Dell Venue 8 5855 (Cherry Trail version) to not work
and the eMMC to become unreliable and throw lots of errors.

Fixes: 5165238460 ("mfd: intel_soc_pmic: Core driver")
Reported-and-tested-by: russianneuromancer <russianneuromancer@ya.ru>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-09-05 08:46:02 +01:00
Hans de Goede 1ae14f8e84 mfd: intel_soc_pmic_chtwc: Turn Kconfig option into a bool
The PMIC provides ACPI OpRegions which must be available for other
drivers' PS0 / PS3 methods early-on as such it must be builtin as the
Kconfig help text already states.

Somehow its Kconfig option ended up being a tristate though, this fixes
this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-09-05 08:46:01 +01:00
Rajmohan Mani 9bbf6a15ce mfd: Add support for TPS68470 device
The TPS68470 device is an advanced power management
unit that powers a Compact Camera Module (CCM),
generates clocks for image sensors, drives a dual
LED for Flash and incorporates two LED drivers for
general purpose indicators.

This patch adds support for TPS68470 mfd device.

Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-09-05 08:46:01 +01:00
Marek Vasut d3ea212720 mfd: Add ROHM BD9571MWV-M MFD PMIC driver
Add the MFD part of the ROHM BD9571MWV-M PMIC driver and MAINTAINERS
entry. The MFD part only specifies the regmap bits for the PMIC and
binds the subdevs together.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-09-05 08:46:00 +01:00
Michal Simek 5c8f124893 mfd: Kconfig: Add missing Kconfig dependency for TPS65086
MTF_CORE should be enabled when driver is enabled.

Without this patch you can configure:

CONFIG_MFD_CORE is not set
  CONFIG_MFD_TPS65086=y

... which ends up with compilation error:
drivers/mfd/tps65086.o: In function `tps65086_probe':
drivers/mfd/tps65086.c:110: undefined reference to `mfd_add_devices'
drivers/mfd/tps65086.c:110:(.text+0x128): relocation truncated to fit: \
  R_AARCH64_CALL26 against undefined symbol `mfd_add_devices'

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-09-05 08:46:00 +01:00
Lee Jones 3f979bf8f5 Merge branches 'ib-mfd-arm-i2c-4.14', 'ib-mfd-arm-usb-video-4.14', 'ib-mfd-hwmon-4.14', 'ib-mfd-iio-pwm-4.14', 'ib-mfd-input-rtc-4.14', 'ib-mfd-many-4.14' and 'ib-mfd-pinctrl-regulator-4.14' into ibs-for-mfd-merged 2017-09-05 08:45:36 +01:00
Fabrice Gasnier e8924005b4 mfd: Add STM32 LPTimer driver
STM32 Low-Power Timer hardware block can be used for:
- PWM generation
- IIO trigger (in sync with PWM)
- IIO quadrature encoder counter
PWM and IIO timer configuration are mixed in the same registers so
we need a multi fonction driver to be able to share those registers.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-09-04 14:49:04 +01:00
Elaine Zhang 990f05f6a5 mfd: rk808: Add RK805 support
The RK805 chip is a Power Management IC (PMIC) for multimedia and handheld
devices. It contains the following components:

    - Regulators
    - RTC
    - Clocking

Both RK808 and RK805 chips are using a similar register map,
so we can reuse the RTC and Clocking functionality.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-08-21 08:54:20 +01:00
Keerthy 1e3496000c mfd: Add LP87565 PMIC support
The LP87565 chip is a power management IC for Portable Navigation Systems
and Tablet Computing devices. It contains the following components:

        - Configurable Bucks(Single and multi-phase).
        - Configurable General Purpose Output Signals (GPO).

The LP87565-Q1 variant device uses two 2-phase outputs configuration,
Buck0 is master for Buck0/1 output and Buck2 is master for Buck2/3
output.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-07-06 08:29:13 +01:00
Hans de Goede aaac4a2ead mfd: axp20x-i2c: Document that this must be builtin on x86
On x86 the AXP288 PMIC provides an ACPI OpRegion handler, which must be
available before other drivers using it are loaded, which can only be
ensured if the MFD, OpRegion and i2c-bus drivers are built-in.

Since the AXP20x MFD code is used on non x86 too we cannot simply change
this into a bool, I've tried some Kconfig magic with if x86 but I could
not get this working correctly, so this commit just documents that this
should be built-in on x86, which fixes errors like these during boot:

mmc0: SDHCI controller on ACPI [80860F14:00] using ADMA
ACPI Error: No handler for Region [REGS] (ffff93543b0cc3a8) [UserDefinedRegion]
ACPI Error: Region UserDefinedRegion (ID=143) has no handler (20170119/exfldio-2
ACPI Error: Method parse/execution failed [\_SB.PCI0.I2C7.PMI5.GET] (Node ffff93
ACPI Error: Method parse/execution failed [\_SB.PCI0.SHC1._PS0] (Node ffff93543b
acpi 80860F14:02: Failed to change power state to D0

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Tested-by: russianneuromancer <russianneuromancer@ya.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-07-06 08:29:13 +01:00
Hans de Goede de85d79f4a mfd: Add Cherry Trail Whiskey Cove PMIC driver
Add mfd driver for Intel CHT Whiskey Cove PMIC, based on various non
upstreamed CHT Whiskey Cove PMIC patches.

This is a somewhat minimal version which adds irqchip support and cells
for: ACPI PMIC opregion support, the i2c-controller driving the external
charger irc and the pwrsrc/extcon block.

Further cells can be added in the future if/when drivers are upstreamed
for them.

[The above patch caused a build error on some archetectures]

From: Arnd Bergmann <arnd@arndb.de>

I ran into a build error on ARM with a platform that has a non-standard
clk implementation:

drivers/clk/clk.o: In function `clk_disable':
clk.c:(.text.clk_disable+0x0): multiple definition of `clk_disable'
arch/arm/mach-omap1/clock.o:clock.c:(.text.clk_disable+0x0): first defined here
drivers/clk/clk.o: In function `clk_enable':
clk.c:(.text.clk_enable+0x0): multiple definition of `clk_enable'
arch/arm/mach-omap1/clock.o:clock.c:(.text.clk_enable+0x0): first defined here

The problem is a device driver that uses 'select COMMON_CLK', which is
generally a bad idea: selecting a subsystem should only be done from
a platform, otherwise we run into circular dependencies. The same driver
also selects 'GPIOLIB' and 'I2C', which has a similar effect.

This turns all three into 'depends on', as it should be.

Finally, we can limit the build to x86, unless we are compile testing.

First patch:
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

Fix for first patch (squashed):
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-07-06 08:29:13 +01:00
Hans de Goede acebcff9ed mfd: intel_soc_pmic: Select designware i2c-bus driver
The Crystal Cove PMIC provides an ACPI OPRegion handler, which must be
available before other drivers using it are loaded, which is why
INTEL_SOC_PMIC is a bool.

Just having the driver is not enough, the driver for the i2c-bus must
also be built in, to ensure this, this patch adds a select for it.

This fixes errors like these during boot:

mmc0: SDHCI controller on ACPI [80860F14:00] using ADMA
ACPI Error: No handler for Region [REGS] (ffff93543b0cc3a8) [UserDefinedRegion] (20170119/evregion-166)
ACPI Error: Region UserDefinedRegion (ID=143) has no handler (20170119/exfldio-299)
ACPI Error: Method parse/execution failed [\_SB.PCI0.I2C7.PMI5.GET] (Node ffff93543b0cde10), AE_NOT_EXIST (20170119/psparse-543)
ACPI Error: Method parse/execution failed [\_SB.PCI0.SHC1._PS0] (Node ffff93543b0b5cd0), AE_NOT_EXIST (20170119/psparse-543)
acpi 80860F14:02: Failed to change power state to D0

While at it this patch also changes the human readable name of the Kconfig
option to make clear the INTEL_SOC_PMIC option selects support for the
Intel Crystal Cove PMIC and documents why this is a bool.

[The above patch caused a build error on some archetectures]

From: Arnd Bergmann <arnd@arndb.de>

I ran into a build error on ARM with a platform that has a non-standard
clk implementation:

drivers/clk/clk.o: In function `clk_disable':
clk.c:(.text.clk_disable+0x0): multiple definition of `clk_disable'
arch/arm/mach-omap1/clock.o:clock.c:(.text.clk_disable+0x0): first defined here
drivers/clk/clk.o: In function `clk_enable':
clk.c:(.text.clk_enable+0x0): multiple definition of `clk_enable'
arch/arm/mach-omap1/clock.o:clock.c:(.text.clk_enable+0x0): first defined here

The problem is a device driver that uses 'select COMMON_CLK', which is
generally a bad idea: selecting a subsystem should only be done from
a platform, otherwise we run into circular dependencies. The same driver
also selects 'GPIOLIB' and 'I2C', which has a similar effect.

This turns all three into 'depends on', as it should be.

Finally, we can limit the build to x86, unless we are compile testing.

First patch:
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

Fix for first patch (squashed):
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-07-06 08:29:12 +01:00
Andy Shevchenko b5238b4185 mfd: intel_soc_pmic: Fix a mess with compilation units
Crystal Cove and Whiskey Cove are two different PMICs which are
installed on Intel Atom SoC based platforms.

Moreover there are two independent drivers that by some reason were
supposed (*) to get into one kernel module.

Fix the mess by clarifying Kconfig option for Crystal Cove and split
Whiskey Cove out of it.

(*) It looks like the configuration was never tested with
    INTEL_SOC_PMIC=n. The line in Makefile is actually wrong.

Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> (supporter:ACPI)
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-04-27 11:54:42 +01:00
Steve Twiss 656211b1df mfd: Add support for DA9061
MFD support for DA9061 is provided as part of the DA9062 device driver.

The registers header file adds two new chip variant IDs defined in DA9061
and DA9062 hardware. The core header file adds new software enumerations
for listing the valid DA9061 IRQs and a da9062_compatible_types enumeration
for distinguishing between DA9061/62 devices in software.

The core source code adds a new .compatible of_device_id entry. This is
extended from DA9062 to support both "dlg,da9061" and "dlg,da9062". The
.data entry now holds a reference to the enumerated device type.

A new regmap_irq_chip model is added for DA9061 and this supports the new
list of regmap_irq entries. A new mfd_cell da9061_devs[] array lists the
new sub system components for DA9061. Support is added for a new DA9061
regmap_config which lists the correct readable, writable and volatile
ranges for this chip.

The probe function uses the device tree compatible string to switch on the
da9062_compatible_types and configure the correct mfd cells, irq chip and
regmap config.

Kconfig is updated to reflect support for DA9061 and DA9062 PMICs.

Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-04-27 09:25:07 +01:00
Boris Brezillon fe9d7cb22e mfd: syscon: atmel-smc: Add new helpers to ease SMC regs manipulation
These new helpers + macro definitions are meant to replace the old ones
which are unpractical to use.

Note that the macros and function prefixes have been intentionally
changed to ATMEL_[H]SMC_XX and atmel_[h]smc_ to reflect the fact that
this IP is also embedded in avr32 SoCs (and not only in at91 ones).

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-04-27 09:25:05 +01:00
Milo Kim d5aa11bfe9 mfd: Add TI LMU driver
TI LMU (Lighting Management Unit) driver supports lighting devices below.

  LM3532, LM3631, LM3632, LM3633, LM3695 and LM3697.

LMU devices have common features.
  - I2C interface for accessing device registers
  - Hardware enable pin control
  - Backlight brightness control
  - Notifier for hardware fault monitoring
  - Regulators for LCD display bias

It contains fault monitor, backlight, LED and regulator driver.

LMU fault monitor
-----------------
  LM3633 and LM3697 provide hardware monitoring feature.
  It enables open or short circuit detection.
  After monitoring is done, each device should be re-initialized.
  Notifier is used for this case.
  Separate patch for 'ti-lmu-fault-monitor' will be sent later.

Backlight
---------
  It's handled by TI LMU backlight consolidated driver and
  chip dependent data. Separate patchset will be sent later.

LED indicator
-------------
  LM3633 has 6 indicator LEDs. Programmable dimming pattern is also
  supported. Separate patch for 'leds-lm3633' will be sent later.

Regulator
---------
  LM3631 has 5 regulators for the display bias.
  LM3632 supports 3 regulators. One consolidated driver enables it.
  The lm363x regulator driver is already upstreamed.

Signed-off-by: Milo Kim <milo.kim@ti.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-04-27 09:25:04 +01:00
Ksenija Stanojevic ead25133e9 mfd: mxs-lradc: Add support for mxs-lradc
Add core files for low resolution analog-to-digital converter (mxs-lradc)
MFD driver.

Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-03-23 12:28:28 +00:00
Michael Brunner e33ad65a58 mfd: Add support for several boards to Kontron PLD driver
This patch adds the DMI system ID of the Kontron COMe-bBD#, COMe-bKL6,
COMe-cKL6, COMe-bSL6 and COMe-cAL6 boards 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>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-02-13 09:29:44 +00:00
Tony Lindgren 56e1d40d3b mfd: cpcap: Add minimal support
Many Motorola phones like droid 4 are using a custom PMIC called CPCAP
or 6556002. We can support it's core features quite easily with regmap_spi
and regmap_irq.

The children of cpcap, such as regulators, ADC and USB, can be just regular
device drivers and defined in the dts file. They get probed as we call
of_platform_populate() at the end of our probe, and then the children
can just call dev_get_regmap(dev.parent, NULL) to get the regmap.

Cc: devicetree@vger.kernel.org
Cc: Marcel Partap <mpartap@gmx.net>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Scott <michael.scott@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-02-13 09:29:44 +00:00
Quentin Schulz 149da46a23 mfd: Kconfig: MFD_SUN4I_GPADC depends on !TOUCHSCREN_SUN4I_GPADC
MFD_SUN4I_GPADC and TOUCHSCREEN_SUN4I are incompatible (both are drivers
for Allwinner SoCs' ADC). This makes sure TOUCHSCREEN_SUN4I isn't
enabled while MFD_SUN4I_GPADC is enabled.

Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-02-13 09:29:41 +00:00
Benjamin Gaignard d0f949e220 mfd: Add STM32 Timers driver
This hardware block could at used at same time for PWM generation
and IIO timers.
PWM and IIO timer configuration are mixed in the same registers
so we need a multi fonction driver to be able to share those registers.

version 7:
- rebase on v4.10-rc2

version 6:
- rename files to stm32-timers
- rename functions to stm32_timers_xxx

version 5:
- fix Lee comments about detect function
- add missing dependency on REGMAP_MMIO

version 4:
- add a function to detect Auto Reload Register (ARR) size
- rename the structure shared with other drivers

version 2:
- rename driver "stm32-gptimer" to be align with SoC documentation
- only keep one compatible
- use of_platform_populate() instead of devm_mfd_add_devices()

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-01-23 12:03:57 +00:00
Pierre-Hugues Husson c5e589a171 mfd: rn5t618: Add Ricoh RC5T619 PMIC support
The Ricoh RN5T567 is from the same family as the Ricoh RN5T618 is,
the differences are:

+ DCDC4/DCDC5
+ LDO7-10
+ Slightly different output voltage/currents
+ 32kHz Output
+ RTC
+ USB Charger detection

Signed-off-by: Pierre-Hugues Husson <phh@phh.me>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29 08:21:35 +00:00
Arnd Bergmann 51a6c60b2f mfd: sun4i-gpadc: Select regmap-irq
The new sun4i mfd driver is lacking a dependency, triggering very rarely
int randconfig kernel builds:

drivers/mfd/sun4i-gpadc.o: In function `sun4i_gpadc_probe':
sun4i-gpadc.c:(.text.sun4i_gpadc_probe+0x110): undefined reference to `devm_regmap_add_irq_chip'

This adds a 'select REGMAP_IRQ', as the other drivers with this problem do.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29 08:21:33 +00:00
Javier Martinez Canillas 108fbd6198 mfd: abx500-core: Allow driver to built if COMPILE_TEST is enabled
The driver only has runtime but no build time dependency with ARCH_U300 ||
ARCH_U8500 So it can be built for testing purposes if COMPILE_TEST option
is enabled.

This is useful to have more build coverage and make sure that the driver
is not affected by changes that could cause build regressions.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29 08:21:22 +00:00
Jean Delvare 23feb7c6e1 mfd: exynos-lpass: Add hardware dependency
This driver is meant for Exynos systems so do not offer the option
elsewhere unless build-testing.

Cc: Inha Song <ideal.song@samsung.com>
Cc: Beomho Seo <beomho.seo@samsung.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29 08:21:22 +00:00
Krzysztof Kozlowski 28e9e55ed3 mfd: Enable compile testing for max77620 and max77686
The OF is not a strict build-time dependency so max77620 and max77686
can be compile tested to increase build coverage.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29 08:21:20 +00:00
Quentin Schulz 937d3a0af5 mfd: Add support for Allwinner SoCs ADC
The Allwinner SoCs all have an ADC that can also act as a touchscreen
controller and a thermal sensor. For now, only the ADC and the thermal
sensor drivers are probed by the MFD, the touchscreen controller support
will be added later.

Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29 08:21:19 +00:00
Linus Walleij 40a3a0f2ba mfd: qcom-pm8xxx: Clean up PM8XXX namespace
The Kconfig and file naming for the PM8xxx driver is totally
confusing:

- Kconfig options MFD_PM8XXX and MFD_PM8921_CORE, some in-kernel
  users depending on or selecting either at random.
- A driver file named pm8921-core.c even if it is indeed
  used by the whole PM8xxx family of chips.
- An irqchip named pm8xxx since it was (I guess) realized that
  the driver was generic for all pm8xxx PMICs.

As I may want to add support for PM8901 this is starting to get
really messy. Fix this situation by:

- Remove the MFD_PM8921_CORE symbol and rely solely on MFD_PM8XXX
  and convert all users, including LEDs Kconfig and ARM defconfigs
  for qcom and multi_v7 to use that single symbol.
- Renaming the driver to qcom-pm8xxx.c to fit along the two
  other qcom* prefixed drivers.
- Rename functions withing the driver from 8921 to 8xxx to
  indicate it is generic.
- Just drop the =m config from the pxa_defconfig, I have no clue
  why it is even there, it is not a Qualcomm platform. (Possibly
  older Kconfig noise from saveconfig.)

Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Gross <andy.gross@linaro.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-21 12:54:28 +00:00
Linus Torvalds d042380886 - Core Frameworks
- Add the MFD bindings doc to MAINTAINERS
 
 - New Drivers
    - X-Powers AC100 Audio CODEC and RTC
    - TI LP873x PMIC
    - Rockchip RK808 PMIC
    - Samsung Exynos Low Power Audio
 
  - New Device Support
    - Add support for STMPE1600 variant to stmpe
    - Add support for PM8018 PMIC to pm8921-core
    - Add support for AXP806 PMIC in axp20x
    - Add support for AXP209 GPIO in axp20x
 
  - New Functionality
    - Add support for Reset to all STMPE variants
    - Add support for MKBP event support to cros_ec
    - Add support for USB to intel_soc_pmic_bxtwc
    - Add support for IRQs and Power Button to tps65217
 
  - Fix-ups
    - Clean-up defunct author emails; da9063, max14577
    - Kconfig fixups; wm8350-i2c, as3722
    - Constify; altera-a10sr, sm501
    - Supply PCI IDs; intel-lpss-pci
    - Improve clocking; qcom_rpm
    - Fix IRQ probing; ucb1x00-core
    - Ensure fault log is cleared; da9052
    - Remove NO_IRQ check; ucb1x00-core
    - Supply I2C properties; intel-lpss-acpi, intel-lpss-pci
    - Non standard declaration; tps65217, max8997-irq
    - Remove unused code; lp873x, db8500-prcmu, ab8500-debugfs,
                          cros_ec_spi
    - Make non-modular; altera-a10sr, intel_msic, smsc-ece1099,
                        sun6i-prcm, twl-core,
    - OF bindings; ac100, stmpe, qcom-pm8xxx, qcom-rpm, rk808,
                   axp20x, lp873x, exynos5433-lpass, act8945a,
                   aspeed-scu, twl6040, arizona
 
  - Bug Fixes
    - Release OF pointer; qcom_rpm
    - Avoid double shifting in suspend/resume; 88pm80x
    - Fix 'defined but not used' error; exynos-lpass
    - Fix 'sleeping whilst attomic'; atmel-hlcdc
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Merge tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core framework:
   - Add the MFD bindings doc to MAINTAINERS

  New drivers:
   - X-Powers AC100 Audio CODEC and RTC
   - TI LP873x PMIC
   - Rockchip RK808 PMIC
   - Samsung Exynos Low Power Audio

  New device support:
   - Add support for STMPE1600 variant to stmpe
   - Add support for PM8018 PMIC to pm8921-core
   - Add support for AXP806 PMIC in axp20x
   - Add support for AXP209 GPIO in axp20x

  New functionality:
   - Add support for Reset to all STMPE variants
   - Add support for MKBP event support to cros_ec
   - Add support for USB to intel_soc_pmic_bxtwc
   - Add support for IRQs and Power Button to tps65217

  Fix-ups:
   - Clean-up defunct author emails (da9063, max14577)
   - Kconfig fixups (wm8350-i2c, as37220
   - Constify (altera-a10sr, sm501)
   - Supply PCI IDs (intel-lpss-pci)
   - Improve clocking (qcom_rpm)
   - Fix IRQ probing (ucb1x00-core)
   - Ensure fault log is cleared (da9052)
   - Remove NO_IRQ check (ucb1x00-core)
   - Supply I2C properties (intel-lpss-acpi, intel-lpss-pci)
   - Non standard declaration (tps65217, max8997-irq)
   - Remove unused code (lp873x, db8500-prcmu, ab8500-debugfs,
     cros_ec_spi)
   - Make non-modular (altera-a10sr, intel_msic, smsc-ece1099,
     sun6i-prcm, twl-core)
   - OF bindings (ac100, stmpe, qcom-pm8xxx, qcom-rpm, rk808, axp20x,
     lp873x, exynos5433-lpass, act8945a, aspeed-scu, twl6040, arizona)

  Bugfixes:
   - Release OF pointer (qcom_rpm)
   - Avoid double shifting in suspend/resume (88pm80x)
   - Fix 'defined but not used' error (exynos-lpass)
   - Fix 'sleeping whilst attomic' (atmel-hlcdc)"

* tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (69 commits)
  mfd: arizona: Handle probe deferral for reset GPIO
  mfd: arizona: Remove arizona_of_get_named_gpio helper function
  mfd: arizona: Add DT options for max_channels_clocked and PDM speaker config
  mfd: twl6040: Register child device for twl6040-pdmclk
  mfd: cros_ec_spi: Remove unused variable 'request'
  mfd: omap-usb-host: Return value is not 'const int'
  mfd: ab8500-debugfs: Remove 'weak' function suspend_test_wake_cause_interrupt_is_mine()
  mfd: ab8500-debugfs: Remove ab8500_dump_all_banks_to_mem()
  mfd: db8500-prcmu: Remove unused *prcmu_set_ddr_opp() calls
  mfd: ab8500-debugfs: Prevent initialised field from being over-written
  mfd: max8997-irq: 'inline' should be at the beginning of the declaration
  mfd: rk808: Fix RK818_IRQ_DISCHG_ILIM initializer
  mfd: tps65217: Fix nonstandard declaration
  mfd: lp873x: Remove unused mutex lock from struct lp873x
  mfd: atmel-hlcdc: Do not sleep in atomic context
  mfd: exynos-lpass: Mark PM functions as __maybe_unused
  mfd: intel-lpss: Add default I2C device properties for Apollo Lake
  mfd: twl-core: Make it explicitly non-modular
  mfd: sun6i-prcm: Make it explicitly non-modular
  mfd: smsc-ece1099: Make it explicitly non-modular
  ...
2016-10-07 08:35:35 -07:00
Paul Gortmaker ed401e8ff4 mfd: as3722: Convert MFD_AS3722 from bool to tristate
The Kconfig currently controlling compilation of this code is:

drivers/mfd/Kconfig:config MFD_AS3722
drivers/mfd/Kconfig:    bool "ams AS3722 Power Management IC"

...meaning that it currently is not being built as a module by anyone.

In response to an earlier patch set suggesting removal of the unused
modular code, Laxman suggested that this driver be instead moved to
tristate.

We do that here, and confirm it can build and modpost as a tristate.
However there remains to be runtime testing in order to ensure this
change is 100% functional for "=m".

Cc: Florian Lobmaier <florian.lobmaier@ams.com>
Cc: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-10-04 15:48:03 +01:00
Marcin Niestroj 6556bdacf6 mfd: tps65217: Add support for IRQs
Add support for handling IRQs: power button, AC and USB power state
changes. Mask and interrupt bits are shared within one register, which
prevents us to use regmap_irq implementation. New irq_domain is created in
order to add interrupt handling for each tps65217's subsystem. IRQ
resources have been added for charger subsystem to be able to notify about
AC and USB state changes.

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-10-04 15:48:03 +01:00
Sylwester Nawrocki c695abab24 mfd: Add Samsung Exynos Low Power Audio Subsystem driver
This patch adds common driver for the Top block of the Samsung Exynos
SoC Low Power Audio Subsystem.  This is a minimal driver which prepares
resources for IP blocks like I2S, audio DMA and UART and exposes
a regmap for the Top block registers.  Also system power ops are added
to ensure the Audio Subsystem is operational after system suspend/resume
cycle.

Signed-off-by: Inha Song <ideal.song@samsung.com>
Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-10-04 15:48:02 +01:00
Uwe Kleine-König 88003fb10f mfd: wm8350-i2c: Make sure the i2c regmap functions are compiled
This fixes a compile failure:

	drivers/built-in.o: In function `wm8350_i2c_probe':
	core.c:(.text+0x828b0): undefined reference to `__devm_regmap_init_i2c'
	Makefile:953: recipe for target 'vmlinux' failed

Fixes: 52b461b86a ("mfd: Add regmap cache support for wm8350")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-10-04 15:48:01 +01:00
Lee Jones b304746c2a Merge branches 'ib-mfd-gpio-4.9', 'ib-mfd-gpio-regulator-4.9', 'ib-mfd-input-4.9', 'ib-mfd-regulator-4.9', 'ib-mfd-regulator-4.9.1', 'ib-mfd-regulator-rtc-4.9', 'ib-mfd-regulator-rtc-4.9-1' and 'ib-mfd-rtc-4.9' into ibs-for-mfd-merged 2016-10-04 15:47:01 +01:00
Linus Walleij ac2a8bca03 Merge branch 'ib-move-htc-egpio' into devel 2016-09-28 09:30:21 -07:00
Linus Walleij 3c6e8d05d6 mfd/gpio: Move HTC GPIO driver to GPIO subsystem
The HTC GPIO driver is a pure GPIO driver and I just can not
see what it is doing inside MFD. Let's just move it to GPIO
and take this opportunity to move the platform data to
<linux/platform_data/gpio-htc-egpio.h>

Cc: arm@kernel.org
Cc: Russell King <linux@armlinux.org.uk>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-28 09:28:34 -07:00
Wadim Egorov 2eedcbfc06 mfd: rk808: Add RK818 support
The RK818 chip is a Power Management IC (PMIC) for multimedia and handheld
devices. It contains the following components:

- Regulators
- RTC
- Clocking
- Battery support

Both RK808 and RK818 chips are using a similar register map,
so we can reuse the RTC and Clocking functionality.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Tested-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-08-31 13:48:25 +01:00
Keerthy dc21c7ad3a mfd: lp873x: Add lp873x PMIC support
The LP873X chip is a power management IC for Portable Navigation Systems
    and Tablet Computing devices. It contains the following components:

     - Regulators.
     - Configurable General Purpose Output Signals (GPO).

PMIC interacts with the main processor through i2c. PMIC has
couple of LDOs (Linear Regulators), couple of BUCKs (Step-Down DC-DC
Converter Cores) and GPOs (General Purpose Output Signals).

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-08-31 13:20:31 +01:00
Chen-Yu Tsai 585083c539 mfd: ac100: Add driver for X-Powers AC100 audio codec / RTC combo IC
The AC100 is a multifunction device with an audio codec subsystem and
an RTC subsystem. These two subsystems share a common register space
and host interface.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-08-08 12:53:26 +01:00
Michael Brunner 1db3ba2830 mfd: Add support for COMe-cSL6 and COMe-mAL10 to Kontron PLD driver
This is an unmodified resend of the patch already been sent on
February 17 as it seems to have fallen through the net.

This patch adds the DMI system ID of the Kontron COMe-cSL6 and
COME-mAL10 boards 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>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-06-29 10:16:36 +01:00
Javier Martinez Canillas 59a9b273e3 mfd: max14577: Allow driver to be built as a module
The driver's Kconfig symbol is a boolean but nothing prevents the driver
to be built as a module instead of built-in. It is true that most system
integrators will choose the latter but the config should not restrict it.

Suggested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-06-29 10:14:44 +01:00
Thor Thayer 9787f5e28b mfd: altr_a10sr: Add Altera Arria10 DevKit System Resource Chip
Add support for the Altera Arria10 Development Kit System Resource
chip which is implemented using a MAX5 as a external gpio extender
with the regmap framework over a SPI bus.

Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-06-29 10:14:37 +01:00
Stefan Agner a99ab50dbb mfd: rn5t618: Add Ricoh RN5T567 PMIC support
The Ricoh RN5T567 is from the same family as the Ricoh RN5T618 is,
the differences are:

+ DCDC4
+ Slightly different output voltage/currents
+ 32kHz Output
- ADC/Charger capabilities

Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-06-29 10:11:23 +01:00
Chen Feng b52207ef4e mfd: hi655x: Add MFD driver for hi655x
Add PMIC MFD driver to support hisilicon hi665x.

Signed-off-by: Chen Feng <puck.chen@hisilicon.com>
Signed-off-by: Fei Wang <w.f@huawei.com>
Signed-off-by: Xinwei Kong <kong.kongxinwei@hisilicon.com>
Reviewed-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-05-18 08:25:26 +01:00
Arnd Bergmann fcdad4210f mfd: vexpress: Add !ARCH_USES_GETTIMEOFFSET dependency
The MFD_VEXPRESS_SYSREG driver selects CLKSRC_MMIO, which in turn
conflicts with ARCH_USES_GETTIMEOFFSET, causing a harmless Kconfig
warning when it is set:

warning: (ARCH_MVEBU && ARCH_DIGICOLOR && ARCH_GEMINI && ARCH_KEYSTONE && ARCH_MOXART && ARCH_MXS && PLAT_SPEAR && ARCH_SUNXI && ARCH_TEGRA && ARCH_U300 && PLAT_ORION && ARCH_CLPS711X && ARCH_EP93XX && ARCH_NETX && ARCH_IXP4XX && ARCH_KS8695 && ARCH_W90X900 && ARCH_PXA && ARCH_SA1100 && ARCH_OMAP1 && ARCH_BCM_IPROC && ARCH_INTEGRATOR_AP && ARCH_OMAP2PLUS && MFD_VEXPRESS_SYSREG) selects CLKSRC_MMIO which has unmet direct dependencies (!ARCH_USES_GETTIMEOFFSET)

This was apparently hidden by the fact that no ARM platform that
still sets ARCH_USES_GETTIMEOFFSET has gpiolib support, and we
already have a dependency on GPIOLIB that I added a while ago.

However, after 296ad4acb8 ("gpio: remove deps on
ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB"), any platform can enable
CONFIG_GPIOLIB, and that lets us enable MFD_VEXPRESS_SYSREG
as well.

This adds an explicit dependency on !ARCH_USES_GETTIMEOFFSET
to guarantee that we can enable the CLKSRC_MMIO driver without
getting warnings.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-05-09 16:26:04 +01:00
Laxman Dewangan 327156c593 mfd: max77620: Add core driver for MAX77620/MAX20024
MAX77620/MAX20024 are Power Management IC from the MAXIM.
It supports RTC, multiple GPIOs, multiple DCDC and LDOs,
watchdog, clock etc.

Add MFD drier to provides common support for accessing the
device; additional drivers is developed on respected subsystem
in order to use the functionality of the device.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mallikarjun Kasoju <mkasoju@nvidia.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-05-09 15:42:00 +01:00
Brian Norris ba5776ab6f mfd: cros_ec: Allow building for ARM64
There are platforms using the ChromeOS embeded controller on ARM64 now,
so let's allow using this driver (without having to use COMPILE_TEST).

Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-04-19 07:59:59 +01:00
Krzysztof Kozlowski 073d4aca34 mfd: max77693: Allow building as a module
The consumer of max77693 regulators on Trats2 board (samsung-usb2-phy
driver) supports deferred probing so the max77693 main MFD driver can be
built now as a module. This gives more flexibility and removes manual
ordering of init calls.

Suggested-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-04-19 07:53:52 +01:00
Javier Martinez Canillas a52e46ce9c mfd: max77686: Allow driver to be built as a module
The driver's Kconfig symbol is a boolean but nothing prevents the driver
to be built as a module instead of built-in. It is true that most system
integrators will choose the latter but the config should not restrict it.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:38 +00:00
Wenyou Yang b25c6b7d28 mfd: act8945a: Add Active-semi ACT8945A PMIC MFD driver
This patch adds support for the Active-semi ACT8945A PMIC.
It is a Multi Function Device with the following subdevices:
 - Regulator
 - Charger

It is interfaced to the host controller using I2C interface,
ACT8945A is a child device of the I2C.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:25 +00:00
Charles Keepax f4d34c94ff mfd: arizona: Remove duplicate select of MFD_CORE
MFD_ARIZONA_I2C and MFD_ARIZONA_SPI both select MFD_ARIZONA and all
three of those select MFD_CORE, this makes the selects of MFD_CORE in
MFD_ARIZONA_I2C and MFD_ARIZONA_SPI redundant, so we remove them.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:23 +00:00
Charles Keepax 5dbd47840a mfd: arizona: Update small typo in Arizona SPI Kconfig
The help text had a copy and paste error and refers to I2C in the SPI
section. This patch corrects this typo.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:19 +00:00
Andrew F. Davis b45b719ee0 mfd: tps65086: Add driver for the TPS65086 PMIC
Add support for the TPS65912 device. It provides communication
through I2C and contains the following components:

 - Regulators
 - Load switches
 - GPO controller

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:15 +00:00
Axel Lin c2e04af072 mfd: Allow i2c modular drivers to build with I2C=m
These drivers can be built as module, so make them depend on I2C rather
than I2C=y.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-09 12:58:52 +07:00
Lee Jones bab070620e Merge branches 'ib-mfd-clk-4.6', 'ib-mfd-input-iio-4.6', 'ib-mfd-regulator-4.6' and 'ib-mfd-regulator-gpio-4.6' into ibs-for-mfd-merged 2016-03-09 12:56:47 +07:00
Chen-Yu Tsai 02071f0f79 mfd: axp20x: Add support for RSB based AXP223 PMIC
The AXP223 is a new PMIC commonly paired with Allwinner A23/A33 SoCs.
It is functionally identical to AXP221; only the regulator default
voltage/status and the external host interface are different.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-12 08:54:42 +00:00
Chen-Yu Tsai 4fd4115142 mfd: axp20x: Split the driver into core and i2c bits
The axp20x driver assumes the device is i2c based. This is not the
case with later chips, which use a proprietary 2 wire serial bus
by Allwinner called "Reduced Serial Bus".

This patch follows the example of mfd/wm831x and splits it into
an interface independent core, and an i2c specific glue layer.
MFD_AXP20X and the new MFD_AXP20X_I2C are changed to tristate
symbols, allowing the driver to be built as modules.

Whitespace and other style errors in the moved i2c specific code
have been fixed. Included but unused header files are removed as
well.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-12 08:53:03 +00:00
Andrew F. Davis 796f5692da mfd: tps65912: Add driver for the TPS65912 PMIC
This patch adds support for TPS65912 PMIC MFD core. It provides
communication through the I2C and SPI interfaces. It contains
the following components:

 - Regulators
 - GPIO controller

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 16:30:59 +00:00
Andrew F. Davis 65b6555971 mfd: tps65912: Remove old driver in preparation for new driver
The old tps65912 driver is being replaced, delete old driver.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 16:30:31 +00:00
Markus Pargmann e2fccf5c15 mfd: fsl-imx25-tsadc: Register touchscreen ADC driver
This is the core driver for imx25 touchscreen/adc driver. The module
has one shared ADC and two different conversion queues which use the
ADC. The two queues are identical. Both can be used for general purpose
ADC but one is meant to be used for touchscreens.

This driver is the core which manages the central components and
registers of the TSC/ADC unit. It manages the IRQs and forwards them to
the correct components.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Denis Carikli <denis@eukrea.com>
[ensure correct ADC clock depending on the IPG clock]
Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 15:40:41 +00:00
Geert Uytterhoeven 8726cacc7f mfd: da9063: Allow modular build
Allow support for the DA9063 PMIC to be modular, cfr. DA9062, which
allows to decrease size of multi-platform kernels (e.g.
multi_v7_defconfig).

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-01-11 06:41:52 +00:00
Richard Fitzgerald ea1f333990 mfd: arizona: Support Cirrus Logic CS47L24 and WM1831
This patch adds the regmap configuration tables and
core MFD handling for the CS47L24 and WM1831 codecs.

Note that compared to the other Arizona codecs, these devices
do not have an LDO1 or micsupp regulators, extcon driver, or
the DCVDD isolation control.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-12-04 08:46:39 +00:00
Axel Lin 18eb3f041a mfd: Make TPS6105X select REGMAP_I2C
This is required since
commit 7e50711993 ("mfd: tps6105x: Use i2c regmap to access registers").

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-10-30 17:20:12 +00:00
Micky Ching ce6a5acc93 mfd: rtsx: Add support for rts522A
rts522a(rts5227s) is derived from rts5227, and mainly same with rts5227.
Add it to file mfd/rts5227.c to support this chip.

Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-10-30 17:19:51 +00:00
Luis de Bethencourt 5349ca11ca mfd: Kconfig: Compile MFD_STW481X with COMPILE_TEST
The driver depends on ARCH_NOMADIK but there isn't a build dependency
so it's a good idea to allow the driver to always be built when the
COMPILE_TEST option is enabled.

That way, the driver can be built with a config generated by make
allyesconfig and check if a patch would break the build.

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-10-30 17:19:50 +00:00