Nothing in the VExpress sysregs nor the MFD child drivers use
CONFIG_CLKSRC_MMIO. There's the 24MHz counter, but that's handled by
drivers/clocksource/timer-versatile.c which doesn't use
CONFIG_CLKSRC_MMIO either. So let's just drop CONFIG_CLKSRC_MMIO.
As the !ARCH_USES_GETTIMEOFFSET dependency was added for
CONFIG_CLKSRC_MMIO, that can be dropped, too.
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Fix several variations of typo around functionali{ty,es}.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
If only cpcap mfd driver is selected we will get:
ERROR: "devm_mfd_add_devices" [drivers/mfd/motorola-cpcap.ko] undefined!
This is because Kconfig is missing select for MFD_CORE.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This adds support for IRQ handling in the RC5T619 which is required
for properly implementing subdevices like RTC.
For now only definitions for the variant RC5T619 are included.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds core support for the Azoteq IQS620A, IQS621, IQS622,
IQS624 and IQS625 multi-function sensors.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
- Add support for ROHM BD71828 PMICs and GPIOs
- Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341
- New Device Support
- Add support for BD71828 to BD70528 RTC driver
- Add support for Intel's Jasper Lake to LPSS PCI
- New Functionality
- Add support for Power Key to ROHM BD71828
- Add support for Clocks to ROHM BD71828
- Add support for GPIOs to Dialog DA9062
- Add support for USB PD Notify to ChromiumOS EC
- Allow callers to specify args when requesting regmap lookup; syscon
- Fix-ups
- Improve error handling and sanity checking; atmel-hlcdc, dln2
- Device Tree support/documentation; bd71828, da9062, xylon,logicvc,
ab8500, max14577, atmel-usart
- Match devices using platform IDs; bd7xxxx
- Refactor BD718x7 regulator component; bd718x7-regulator
- Use standard interfaces/helpers; syscon, sm501
- Trivial (whitespace, spelling, etc); ab8500-core, Kconfig
- Remove unused code; db8500-prcmu, tqmx86
- Wait until boot has finished before accessing registers; madera-core
- Provide missing register value defaults; cs47l15-tables
- Allow more time for hardware to reset; madera-core
- Bug Fixes
- Fix erroneous register values; rohm-bd70528
- Fix register volatility; axp20x, rn5t618
- Fix Kconfig dependencies; MFD_MAX77650
- Fix incorrect compatible string; da9062-core
- Fix syscon_regmap_lookup_by_phandle_args() stub; syscon
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Merge tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add support for ROHM BD71828 PMICs and GPIOs
- Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341
New Device Support:
- Add support for BD71828 to BD70528 RTC driver
- Add support for Intel's Jasper Lake to LPSS PCI
New Functionality:
- Add support for Power Key to ROHM BD71828
- Add support for Clocks to ROHM BD71828
- Add support for GPIOs to Dialog DA9062
- Add support for USB PD Notify to ChromiumOS EC
- Allow callers to specify args when requesting regmap lookup; syscon
Fix-ups:
- Improve error handling and sanity checking; atmel-hlcdc, dln2
- Device Tree support/documentation; bd71828, da9062, xylon,logicvc,
ab8500, max14577, atmel-usart
- Match devices using platform IDs; bd7xxxx
- Refactor BD718x7 regulator component; bd718x7-regulator
- Use standard interfaces/helpers; syscon, sm501
- Trivial (whitespace, spelling, etc); ab8500-core, Kconfig
- Remove unused code; db8500-prcmu, tqmx86
- Wait until boot has finished before accessing registers;
madera-core
- Provide missing register value defaults; cs47l15-tables
- Allow more time for hardware to reset; madera-core
Bug Fixes:
- Fix erroneous register values; rohm-bd70528
- Fix register volatility; axp20x, rn5t618
- Fix Kconfig dependencies; MFD_MAX77650
- Fix incorrect compatible string; da9062-core
- Fix syscon_regmap_lookup_by_phandle_args() stub; syscon"
* tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (41 commits)
mfd: syscon: Fix syscon_regmap_lookup_by_phandle_args() dummy
mfd: wcd934x: Add support to wcd9340/wcd9341 codec
mfd: syscon: Add arguments support for syscon reference
mfd: rn5t618: Mark ADC control register volatile
dt-bindings: atmel-usart: Add microchip,sam9x60-{usart, dbgu}
dt-bindings: atmel-usart: Remove wildcard
mfd: cros_ec: Add cros-usbpd-notify subdevice
mfd: da9062: Fix watchdog compatible string
mfd: madera: Allow more time for hardware reset
mfd: cs47l15: Add missing register default
mfd: madera: Wait for boot done before accessing any other registers
mfd: Kconfig: Rename Samsung to lowercase
mfd: tqmx86: remove set but not used variable 'i2c_ien'
mfd: dbx500-prcmu: Drop DSI pll clock functions
mfd: dbx500-prcmu: Drop set_display_clocks()
mfd: max77650: Select REGMAP_IRQ in Kconfig
mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile
mfd: ab8500: Fix ab8500-clk typo
mfd: intel-lpss: Add Intel Jasper Lake PCI IDs
dt-bindings: mfd: max14577: Add reference to max14040_battery.txt descriptions
...
Qualcomm WCD9340/WCD9341 Codec is a standalone Hi-Fi audio codec IC.
This codec has integrated SoundWire controller, pin controller and
interrupt controller.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fix up inconsistent usage of upper and lowercase letters in "Samsung"
name.
"SAMSUNG" is not an abbreviation but a regular trademarked name.
Therefore it should be written with lowercase letters starting with
capital letter.
Although advertisement materials usually use uppercase "SAMSUNG", the
lowercase version is used in all legal aspects (e.g. on Wikipedia and in
privacy/legal statements on
https://www.samsung.com/semiconductor/privacy-global/).
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
MAX77650 MFD driver uses regmap_irq API but doesn't select the required
REGMAP_IRQ option in Kconfig. This can cause the following build error
if regmap irq is not enabled implicitly by someone else:
ld: drivers/mfd/max77650.o: in function `max77650_i2c_probe':
max77650.c:(.text+0xcb): undefined reference to `devm_regmap_add_irq_chip'
ld: max77650.c:(.text+0xdb): undefined reference to `regmap_irq_get_domain'
make: *** [Makefile:1079: vmlinux] Error 1
Fix it by adding the missing option.
Fixes: d0f6033450 ("mfd: Add new driver for MAX77650 PMIC")
Reported-by: Paul Gazzillo <paul@pgazz.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
BD71828GW is a single-chip power management IC for battery-powered portable
devices. The IC integrates 7 buck converters, 7 LDOs, and a 1500 mA
single-cell linear charger. Also included is a Coulomb counter, a real-time
clock (RTC), 3 GPO/regulator control pins, HALL input and a 32.768 kHz
clock gate.
Add MFD core driver providing interrupt controller facilities and i2c
access to sub device drivers.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
SGI IOC3 chip has integrated ethernet, keyboard and mouse interface.
It also supports connecting a SuperIO chip for serial and parallel
interfaces. IOC3 is used inside various SGI systemboards and add-on
cards with different equipped external interfaces.
Support for ethernet and serial interfaces were implemented inside
the network driver. This patchset moves out the not network related
parts to a new MFD driver, which takes care of card detection,
setup of platform devices and interrupt distribution for the subdevices.
Serial portion: Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
Network part: Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Network part: Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-serial@vger.kernel.org
The AB8500 GPADC driver is indeed a "general purpose ADC" driver,
and while the IIO subsystem did not exist when the driver was
first merged, it is never too late to clean things up and move it
to the right place.
Nowadays IIO provides the right abstractions and interfaces to
do generic ADC work in the kernel.
We have to cut a bunch of debugfs luggage to make this transition
swift, but all these files to is read out the raw values of the
ADC and the IIO subsystem already has a standard sysfs ABI for
doing exactly this: no debugfs is needed.
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Now that these drivers use the usb localmem pool there is no need to
select DMA_DECLARE_COHERENT.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20190903084615.19161-7-hch@lst.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The cros-ec-dev is a multifunction device that now doesn't implement any
chardev communication interface. MFD_CROS_EC_CHARDEV doesn't look
a good name to describe that device and can cause confusion. Hence
rename it to CROS_EC_DEV.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Now, the ChromeOS EC core driver has nothing related to an MFD device, so
move that driver from the MFD subsystem to the platform/chrome subsystem.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add an MFD driver for Intel Merrifield Basin Cove PMIC.
Firmware on the platforms which are using Basin Cove PMIC is "smarter"
than on the rest supported by vanilla kernel. It handles first level
of interrupt itself, while others do it on OS level.
The driver is done in the same way as the rest of Intel PMIC MFD drivers
in the kernel to support the initial design. The design allows to use
one driver among few PMICs without knowing implementation details of
the each hardware version or generation.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
It has been replaced with the ingenic-iio driver for the ADC.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
- Set 'struct device' fwnode when registering a new device
- New Drivers
- Add support for ROHM BD70528 PMIC
- New Device Support
- Add support for LP87561 4-Phase Regulator to TI LP87565 PMIC
- Add support for RK809 and RK817 to Rockchip RK808
- Add support for Lid Angle to ChromeOS core
- Add support for CS47L15 CODEC to Madera core
- Add support for CS47L92 CODEC to Madera core
- Add support for ChromeOS (legacy) Accelerometers in ChromeOS core
- Add support for Add Intel Elkhart Lake PCH to Intel LPSS
- New Functionality
- Provide regulator supply information when registering; madera-core
- Additional Device Tree support; lp87565, madera, cros-ec, rohm,bd71837-pmic
- Allow over-riding power button press via Device Tree; rohm-bd718x7
- Differentiate between running processors; cros_ec_dev
- Fix-ups
- Big header file update; cros_ec_commands.h
- Split header per-subsystem; rohm-bd718x7
- Remove superfluous code; menelaus, cs5535-mfd, cs47lXX-tables
- Trivial; sorting, coding style; intel-lpss-pci
- Only remove Power Off functionality if set locally; rk808
- Make use for Power Off Prepare(); rk808
- Fix spelling mistake in header guards; stmfx
- Properly free IDA resources
- SPDX fixups; cs47lXX-tables, madera
- Error path fixups; hi655x-pmic
- Bug Fixes
- Add missing break in case() statement
- Repair undefined behaviour when not initialising variables; arizona-core, madera-core
- Fix reference to Device Tree documentation; madera
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Merge tag 'mfd-next-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Set 'struct device' fwnode when registering a new device
New Drivers:
- Add support for ROHM BD70528 PMIC
New Device Support:
- Add support for LP87561 4-Phase Regulator to TI LP87565 PMIC
- Add support for RK809 and RK817 to Rockchip RK808
- Add support for Lid Angle to ChromeOS core
- Add support for CS47L15 CODEC to Madera core
- Add support for CS47L92 CODEC to Madera core
- Add support for ChromeOS (legacy) Accelerometers in ChromeOS core
- Add support for Add Intel Elkhart Lake PCH to Intel LPSS
New Functionality:
- Provide regulator supply information when registering; madera-core
- Additional Device Tree support; lp87565, madera, cros-ec, rohm,bd71837-pmic
- Allow over-riding power button press via Device Tree; rohm-bd718x7
- Differentiate between running processors; cros_ec_dev
Fix-ups:
- Big header file update; cros_ec_commands.h
- Split header per-subsystem; rohm-bd718x7
- Remove superfluous code; menelaus, cs5535-mfd, cs47lXX-tables
- Trivial; sorting, coding style; intel-lpss-pci
- Only remove Power Off functionality if set locally; rk808
- Make use for Power Off Prepare(); rk808
- Fix spelling mistake in header guards; stmfx
- Properly free IDA resources
- SPDX fixups; cs47lXX-tables, madera
- Error path fixups; hi655x-pmic
Bug Fixes:
- Add missing break in case() statement
- Repair undefined behaviour when not initialising variables; arizona-core, madera-core
- Fix reference to Device Tree documentation; madera"
* tag 'mfd-next-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (45 commits)
mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk
mfd: madera: Fixup SPDX headers
mfd: madera: Remove some unused registers and fix some defaults
mfd: intel-lpss: Release IDA resources
mfd: intel-lpss: Add Intel Elkhart Lake PCH PCI IDs
mfd: cs5535-mfd: Remove ifdef OLPC noise
mfd: stmfx: Fix macro definition spelling
dt-bindings: mfd: Add link to ROHM BD71847 Datasheet
MAINAINERS: Swap words in INTEL PMIC MULTIFUNCTION DEVICE DRIVERS
mfd: cros_ec_dev: Register cros_ec_accel_legacy driver as a subdevice
mfd: rk808: Prepare rk805 for poweroff
mfd: rk808: Check pm_power_off pointer
mfd: cros_ec: differentiate SCP from EC by feature bit
dt-bindings: Add binding for cros-ec-rpmsg
mfd: madera: Add Madera core support for CS47L92
mfd: madera: Add Madera core support for CS47L15
mfd: madera: Update DT bindings to add additional CODECs
mfd: madera: Add supply mapping for MICVDD
mfd: madera: Fix potential uninitialised use of variable
mfd: madera: Fix bad reference to pinctrl.txt file
...
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Merge tag 'leds-for-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
- Add a new LED common module for ti-lmu driver family
- Modify MFD ti-lmu bindings
- add ti,brightness-resolution
- add the ramp up/down property
- Add regulator support for LM36274 driver to lm363x-regulator.c
- New LED class drivers with DT bindings:
- leds-spi-byte
- leds-lm36274
- leds-lm3697 (move the support from MFD to LED subsystem)
- Simplify getting the I2C adapter of a client:
- leds-tca6507
- leds-pca955x
- Convert LED documentation to ReST
* tag 'leds-for-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
dt: leds-lm36274.txt: fix a broken reference to ti-lmu.txt
docs: leds: convert to ReST
leds: leds-tca6507: simplify getting the adapter of a client
leds: leds-pca955x: simplify getting the adapter of a client
leds: lm36274: Introduce the TI LM36274 LED driver
dt-bindings: leds: Add LED bindings for the LM36274
regulator: lm363x: Add support for LM36274
mfd: ti-lmu: Add LM36274 support to the ti-lmu
dt-bindings: mfd: Add lm36274 bindings to ti-lmu
leds: max77650: Remove set but not used variable 'parent'
leds: avoid flush_work in atomic context
leds: lm3697: Introduce the lm3697 driver
mfd: ti-lmu: Remove support for LM3697
dt-bindings: ti-lmu: Modify dt bindings for the LM3697
leds: TI LMU: Add common code for TI LMU devices
leds: spi-byte: add single byte SPI LED driver
dt-bindings: leds: Add binding for spi-byte LED.
dt-bindings: mfd: LMU: Add ti,brightness-resolution
dt-bindings: mfd: LMU: Add the ramp up/down property
This patch adds all the core support and defines for the Cirrus
Logic CS42L92, CS47L92 and CS47L93 smart audio CODECs.
Registers or fields are named MADERA_* if it is part of the
common hardware platform and does not conflict with any other
Madera codecs. It is named CS47L15_* if it is unique to CS47L15
and conflicts with definitions on other codecs.
Signed-off-by: Stuart Henderson <stuarth@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>
This patch adds all the core support and defines for the Cirrus
Logic CS47L15 smart audio CODEC.
Registers or fields are named MADERA_* if it is part of the
common hardware platform and does not conflict with any other
Madera codecs. It is named CS47L15_* if it is unique to CS47L15
and conflicts with definitions on other codecs.
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>
The RK809 and RK817 are a Power Management IC (PMIC) for multimedia
and handheld devices. They contains the following components:
- Regulators
- RTC
- Clocking
Both RK809 and RK817 chips are using a similar register map,
so we can reuse the RTC and Clocking functionality.
Most of regulators have a some implementation also.
Signed-off-by: Tony Xie <tony.xie@rock-chips.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
ROHM BD70528MWV is an ultra-low quiescent current general
purpose single-chip power management IC for battery-powered
portable devices.
Add MFD core which enables chip access for following subdevices:
- regulators/LED drivers
- battery-charger
- gpios
- 32.768kHz clk
- RTC
- watchdog
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add the LM36274 register support to the ti-lmu MFD driver.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Remove support for the LM3697 from the ti-lmu driver in favor
of a dedicated LED driver.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Formatting of Kconfig files doesn't look so pretty, so let the
Great White Handkerchief come around and clean it up.
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Merge branches 'ib-mfd-arm-leds-5.2', 'ib-mfd-gpio-input-leds-power-5.2', 'ib-mfd-pinctrl-5.2-2' and 'ib-mfd-regulator-5.2', tag 'ib-mfd-arm-net-5.2' into ibs-for-mfd-merged
Immutable branch between MFD, ARM and Net due for the 5.2 merge window
STMicroelectronics Multi-Function eXpander (STMFX) is a slave controller
using I2C for communication with the main MCU. Main features are:
- 16 fast GPIOs individually configurable in input/output
- 8 alternate GPIOs individually configurable in input/output when other
STMFX functions are not used
- Main MCU IDD measurement
- Resistive touchscreen controller
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add the core MFD driver for max77650 PMIC. We define five sub-devices
for which the drivers will be added in subsequent patches.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Since this driver only has a dependency on ARCH_SUNXI just because it
doesn't make any sense to run it on something else, we can definitely
enable it through COMPILE_TEST as well to get some build coverage.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The SOCFPGA System Manager register block aggregates different
peripheral functions into one area.
On 32 bit ARM parts, handle in the same way as syscon.
On 64 bit ARM parts, the System Manager can only be accessed by
EL3 secure mode. Since a SMC call to EL3 is required, this new
driver uses regmaps similar to syscon to handle the SMC call.
Since regmaps abstract out the underlying register access, the
changes to drivers accessing the System Manager are minimal.
Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
- add debugfs support for dumping dma-debug information (Corentin Labbe)
- Kconfig cleanups (Andy Shevchenko and me)
- debugfs cleanups (Greg Kroah-Hartman)
- improve dma_map_resource and use it in the media code
- arch_setup_dma_ops / arch_teardown_dma_ops cleanups
- various small cleanups and improvements for the per-device coherent
allocator
- make the DMA mask an upper bound and don't fail "too large" dma mask
in the remaning two architectures - this will allow big driver
cleanups in the following merge windows
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Merge tag 'dma-mapping-5.1' of git://git.infradead.org/users/hch/dma-mapping
Pull DMA mapping updates from Christoph Hellwig:
- add debugfs support for dumping dma-debug information (Corentin
Labbe)
- Kconfig cleanups (Andy Shevchenko and me)
- debugfs cleanups (Greg Kroah-Hartman)
- improve dma_map_resource and use it in the media code
- arch_setup_dma_ops / arch_teardown_dma_ops cleanups
- various small cleanups and improvements for the per-device coherent
allocator
- make the DMA mask an upper bound and don't fail "too large" dma mask
in the remaning two architectures - this will allow big driver
cleanups in the following merge windows
* tag 'dma-mapping-5.1' of git://git.infradead.org/users/hch/dma-mapping: (21 commits)
Documentation/DMA-API-HOWTO: update dma_mask sections
sparc64/pci_sun4v: allow large DMA masks
sparc64/iommu: allow large DMA masks
sparc64: refactor the ali DMA quirk
ccio: allow large DMA masks
dma-mapping: remove the DMA_MEMORY_EXCLUSIVE flag
dma-mapping: remove dma_mark_declared_memory_occupied
dma-mapping: move CONFIG_DMA_CMA to kernel/dma/Kconfig
dma-mapping: improve selection of dma_declare_coherent availability
dma-mapping: remove an incorrect __iommem annotation
of: select OF_RESERVED_MEM automatically
device.h: dma_mem is only needed for HAVE_GENERIC_DMA_COHERENT
mfd/sm501: depend on HAS_DMA
dma-mapping: add a kconfig symbol for arch_teardown_dma_ops availability
dma-mapping: add a kconfig symbol for arch_setup_dma_ops availability
dma-mapping: move debug configuration options to kernel/dma
dma-debug: add dumping facility via debugfs
dma: debug: no need to check return value of debugfs_create functions
videobuf2: replace a layering violation with dma_map_resource
dma-mapping: don't BUG when calling dma_map_resource on RAM
...
Core changes:
- The big change this time around is the irqchip handling in
the qualcomm pin controllers, closely coupled with the
gpiochip. This rework, in a classic fall-between-the-chairs
fashion has been sidestepped for too long. The Qualcomm
IRQchips using the SPMI and SSBI transport mechanisms have
been rewritten to use hierarchical irqchip. This creates
the base from which I intend to gradually pull support for
hierarchical irqchips into the gpiolib irqchip helpers to
cut down on duplicate code. We have too many hacks in the
kernel because people have been working around the missing
hierarchical irqchip for years, and once it was there,
noone understood it for a while. We are now slowly adapting
to using it. This is why this pull requests include changes
to MFD, SPMI, IRQchip core and some ARM Device Trees
pertaining to the Qualcomm chip family. Since Qualcomm have
so many chips and such large deployments it is paramount
that this platform gets this right, and now it (hopefully)
does.
- Core support for pull-up and pull-down configuration, also
from the device tree. When a simple GPIO chip support a
"off or on" pull-up or pull-down resistor, we provide a
way to set this up using machine descriptors or device tree.
If more elaborate control of pull up/down (such as
resistance shunt setting) is required, drivers should be
phased over to use pin control. We do not yet provide a
userspace ABI for this pull up-down setting but I suspect
the makers are going to ask for it soon enough. PCA953x
is the first user of this new API.
- The GPIO mockup driver has been revamped after some
discussion improving the IRQ simulator in the process.
The idea is to make it possible to use the mockup for
both testing and virtual prototyping, e.g. when you do
not yet have a GPIO expander to play with but really
want to get something to develop code around before
hardware is available. It's neat. The blackbox testing
usecase is currently making its way into kernelci.
- ACPI GPIO core preserves non direction flags when updating
flags.
- A new device core helper for devm_platform_ioremap_resource()
is funneled through the GPIO tree with Greg's ACK.
New drivers:
- TQ-Systems QTMX86 GPIO controllers (using port-mapped
I/O)
- Gateworks PLD GPIO driver (vaccumed up from OpenWrt)
- AMD G-Series PCH (Platform Controller Hub) GPIO driver.
- Fintek F81804 & F81966 subvariants.
- PCA953x now supports NXP PCAL6416.
Driver improvements:
- IRQ support on the Nintendo Wii (Hollywood) GPIO.
- get_direction() support for the MVEBU driver.
- Set the right output level on SAMA5D2.
- Drop the unused irq trigger setting on the Spreadtrum
driver.
- Wakeup support for PCA953x.
- A slew of cleanups in the various Intel drivers.
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Merge tag 'gpio-v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v5.1 cycle:
Core changes:
- The big change this time around is the irqchip handling in the
qualcomm pin controllers, closely coupled with the gpiochip. This
rework, in a classic fall-between-the-chairs fashion has been
sidestepped for too long.
The Qualcomm IRQchips using the SPMI and SSBI transport mechanisms
have been rewritten to use hierarchical irqchip. This creates the
base from which I intend to gradually pull support for hierarchical
irqchips into the gpiolib irqchip helpers to cut down on duplicate
code.
We have too many hacks in the kernel because people have been
working around the missing hierarchical irqchip for years, and once
it was there, noone understood it for a while. We are now slowly
adapting to using it.
This is why this pull requests include changes to MFD, SPMI,
IRQchip core and some ARM Device Trees pertaining to the Qualcomm
chip family. Since Qualcomm have so many chips and such large
deployments it is paramount that this platform gets this right, and
now it (hopefully) does.
- Core support for pull-up and pull-down configuration, also from the
device tree. When a simple GPIO chip supports an "off or on" pull-up
or pull-down resistor, we provide a way to set this up using
machine descriptors or device tree.
If more elaborate control of pull up/down (such as resistance shunt
setting) is required, drivers should be phased over to use pin
control. We do not yet provide a userspace ABI for this pull
up-down setting but I suspect the makers are going to ask for it
soon enough. PCA953x is the first user of this new API.
- The GPIO mockup driver has been revamped after some discussion
improving the IRQ simulator in the process.
The idea is to make it possible to use the mockup for both testing
and virtual prototyping, e.g. when you do not yet have a GPIO
expander to play with but really want to get something to develop
code around before hardware is available. It's neat. The blackbox
testing usecase is currently making its way into kernelci.
- ACPI GPIO core preserves non direction flags when updating flags.
- A new device core helper for devm_platform_ioremap_resource() is
funneled through the GPIO tree with Greg's ACK.
New drivers:
- TQ-Systems QTMX86 GPIO controllers (using port-mapped I/O)
- Gateworks PLD GPIO driver (vaccumed up from OpenWrt)
- AMD G-Series PCH (Platform Controller Hub) GPIO driver.
- Fintek F81804 & F81966 subvariants.
- PCA953x now supports NXP PCAL6416.
Driver improvements:
- IRQ support on the Nintendo Wii (Hollywood) GPIO.
- get_direction() support for the MVEBU driver.
- Set the right output level on SAMA5D2.
- Drop the unused irq trigger setting on the Spreadtrum driver.
- Wakeup support for PCA953x.
- A slew of cleanups in the various Intel drivers"
* tag 'gpio-v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (110 commits)
gpio: gpio-omap: fix level interrupt idling
gpio: amd-fch: Set proper output level for direction_output
x86: apuv2: remove unused variable
gpio: pca953x: Use PCA_LATCH_INT
platform/x86: fix PCENGINES_APU2 Kconfig warning
gpio: pca953x: Fix dereference of irq data in shutdown
gpio: amd-fch: Fix type error found by sparse
gpio: amd-fch: Drop const from resource
gpio: mxc: add check to return defer probe if clock tree NOT ready
gpio: ftgpio: Register per-instance irqchip
gpio: ixp4xx: Add DT bindings
x86: pcengines apuv2 gpio/leds/keys platform driver
gpio: AMD G-Series PCH gpio driver
drivers: depend on HAS_IOMEM for devm_platform_ioremap_resource()
gpio: tqmx86: Set proper output level for direction_output
gpio: sprd: Change to use SoC compatible string
gpio: sprd: Use SoC compatible string instead of wildcard string
gpio: of: Handle both enable-gpio{,s}
gpio: of: Restrict enable-gpio quirk to regulator-gpio
gpio: davinci: use devm_platform_ioremap_resource()
...
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>
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>
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>
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>
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>
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>
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>
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>
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>
