- Add support for Maxim MAX77714 PMIC
- Remove Drivers
- Remove support for ST-Ericsson AB8500 DebugFS
- New Device Support
- Add support for Silergy SY7636A to Simple MFD I2C
- Add support for MediaTek MT6366 PMIC to MT6358 IRQ
- Add support for Charger to Intel PMIC CRC
- Add support for Raptor Lake to Intel LPSS PCI
- New Functionality
- Add support for Reboot to Rockchip RK808
- Fix-ups
- Device Tree changes (inc. YAML conversion); silergy,sy7636a, maxim,max77843,
google,cros-ec, maxim,max14577, maxim,max77802,
maxim,max77714, qcom,tcsr, qcom,spmi-pmic,
stericsson,ab8500, stericsson,db8500-prcmu,
samsung,exynos5433-lpass, mt6397, syscon, brcm,cru
- Visible to menuconfig; simple-mfd-i2c
- Clean-up or clarify code; max77686, intel_soc_pmic_crc
- Improve error handling; mc13xxx-core, stmfx, asic3
- Pass device information to child devices; iqs62x, intel-lpss-acpi
- Individually identify IRQ domains; intel_soc_pmic_core
- Remove superfluous code; dbx500-prcmu, exynos-lpass
- Staticify and constify; arizona-i2c
- Mark sometimes used data as __maybe_unused; atmel-flexcom
- Account for different ACPI tables on AOSP/Windows platforms; arizona-spi
- Use provided (platform) APIs; ab8500-core
- Trivial (whitespace, spelling); rohm-bd9576
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Merge tag 'mfd-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add support for Maxim MAX77714 PMIC
Removed Drivers:
- Remove support for ST-Ericsson AB8500 DebugFS
New Device Support:
- Add support for Silergy SY7636A to Simple MFD I2C
- Add support for MediaTek MT6366 PMIC to MT6358 IRQ
- Add support for Charger to Intel PMIC CRC
- Add support for Raptor Lake to Intel LPSS PCI
New Functionality:
- Add support for Reboot to Rockchip RK808
Fix-ups:
- Device Tree changes (includcing YAML conversion) for
silergy,sy7636a, maxim,max77843, google,cros-ec, maxim,max14577,
maxim,max77802, maxim,max77714, qcom,tcsr, qcom,spmi-pmic,
stericsson,ab8500, stericsson,db8500-prcmu,
samsung,exynos5433-lpass, mt6397, syscon, brcm,cru
- Visible to menuconfig; simple-mfd-i2c
- Clean-up or clarify code; max77686, intel_soc_pmic_crc
- Improve error handling; mc13xxx-core, stmfx, asic3
- Pass device information to child devices; iqs62x, intel-lpss-acpi
- Individually identify IRQ domains; intel_soc_pmic_core
- Remove superfluous code; dbx500-prcmu, exynos-lpass
- Staticify and constify; arizona-i2c
- Mark sometimes used data as __maybe_unused; atmel-flexcom
- Account for different ACPI tables on AOSP/Windows platforms; arizona-spi
- Use provided (platform) APIs; ab8500-core
- Trivial (whitespace, spelling); rohm-bd9576"
* tag 'mfd-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (50 commits)
dt-bindings: mfd: syscon: Add microchip,lan966x-cpu-syscon compatible
mfd: bd9576: fix typos in comments
mfd: Use platform_get_irq() to get the interrupt
mfd: db8500-prcmu: Remove unused inline function
mfd: arizona-spi: Add Android board ACPI table handling
mfd: arizona-spi: Split Windows ACPI init code into its own function
mfd: asic3: Add missing iounmap() on error asic3_mfd_probe
MAINTAINERS: Rectify entry for ROHM MULTIFUNCTION BD9571MWV-M PMIC DEVICE DRIVERS
mfd: intel-lpss: Provide an SSP type to the driver
dt-bindings: mfd: brcm,cru: Rename pinctrl node
dt-bindings: Add compatibles for undocumented trivial syscons
mfd: atmel-flexcom: Fix compilation warning
dt-bindings: mfd: Add compatible for the MediaTek MT6366 PMIC
dt-bindings: mfd: samsung,exynos5433-lpass: Convert to dtschema
mfd: exynos-lpass: Drop unneeded syscon.h include
mfd: intel-lpss: Add Intel Raptor Lake PCH-S PCI IDs
mfd: ab8500: Drop debugfs module
mfd: sta2x11: Use GFP_KERNEL instead of GFP_ATOMIC
mfd: ab8500: Rewrite bindings in YAML
mfd: qcom-spmi-pmic: Add pm8953 compatible
...
power-supply core:
- Introduce "Bypass" charging type used by USB PPS standard
- Refactor power_supply_set_input_current_limit_from_supplier()
- Add fwnode support to power_supply_get_battery_info()
Drivers:
- ab8500: continue migrating towards using standard core APIs
- axp288 fuel-gauge: refactor driver to be fully resource managed
- battery-samsung-sdi: new in-kernel provider for (constant) Samsung battery info
- bq24190: disable boost regulator on shutdown
- bq24190: add support for battery-info on ACPI based systems
- bq25890: prepare driver for usage on ACPI based systems
- bq25890: add boost regulator support
- cpcap-battery: add NVMEM based battery detection support
- injoinic ip5xxx: new driver for power bank IC
- upi ug3105: new battery driver
- misc. small improvements and fixes
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Merge tag 'for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Power-supply core:
- Introduce "Bypass" charging type used by USB PPS standard
- Refactor power_supply_set_input_current_limit_from_supplier()
- Add fwnode support to power_supply_get_battery_info()
Drivers:
- ab8500: continue migrating towards using standard core APIs
- axp288 fuel-gauge: refactor driver to be fully resource managed
- battery-samsung-sdi: new in-kernel provider for (constant) Samsung
battery info
- bq24190: disable boost regulator on shutdown
- bq24190: add support for battery-info on ACPI based systems
- bq25890: prepare driver for usage on ACPI based systems
- bq25890: add boost regulator support
- cpcap-battery: add NVMEM based battery detection support
- injoinic ip5xxx: new driver for power bank IC
- upi ug3105: new battery driver
- misc small improvements and fixes"
* tag 'for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (94 commits)
power: ab8500_chargalg: Use CLOCK_MONOTONIC
power: supply: Add a driver for Injoinic power bank ICs
dt-bindings: trivial-devices: Add Injoinic power bank ICs
dt-bindings: vendor-prefixes: Add Injoinic
power: supply: ab8500: Remove unused variable
power: supply: da9150-fg: Remove unnecessary print function dev_err()
power: supply: ab8500: fix a handful of spelling mistakes
power: supply: ab8500_fg: Account for line impedance
dt-bindings: power: supply: ab8500_fg: Add line impedance
power: supply: axp20x_usb_power: fix platform_get_irq.cocci warnings
power: supply: axp20x_ac_power: fix platform_get_irq.cocci warning
power: supply: wm8350-power: Add missing free in free_charger_irq
power: supply: wm8350-power: Handle error for wm8350_register_irq
power: supply: Static data for Samsung batteries
power: supply: ab8500_fg: Use VBAT-to-Ri if possible
power: supply: Support VBAT-to-Ri lookup tables
power: supply: ab8500: Standardize BTI resistance
power: supply: ab8500: Standardize alert mode charging
power: supply: ab8500: Standardize maintenance charging
power: supply: bq24190_charger: Delay applying charge_type changes when OTG 5V Vbus boost is on
...
Various spelling mistakes in comments.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Reviewed-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220314115354.144023-29-Julia.Lawall@inria.fr
It is not recommened to use platform_get_resource(pdev, IORESOURCE_IRQ)
for requesting IRQ's resources any more, as they can be not ready yet in
case of DT-booting.
platform_get_irq() instead is a recommended way for getting IRQ even if
it was not retrieved earlier.
It also makes code simpler because we're getting "int" value right away
and no conversion from resource to int is required.
The print function dev_err() is redundant because platform_get_irq()
already prints an error.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220309035607.2080884-1-chi.minghao@zte.com.cn
x86/ACPI boards with an arizona WM5102 codec ship with either Windows or
Android as factory installed OS.
The ACPI fwnode for the codec on Android boards misses 2 things compared
to the Windows boards (this is hardcoded in the Android board kernels):
1. There is no CLKE ACPI method to enabe the 32 KHz clock the codec needs
for jack-detection.
2. The GPIOs used by the codec are not listed in the fwnode for the codec.
The ACPI tables on x86/ACPI boards shipped with Android being incomplete
happens a lot. The special drivers/platform/x86/x86-android-tablets.c
module contains DMI based per model handling to compensate for this.
This module will enable the 32KHz clock through the pinctrl framework
to fix 1. and it will also register a gpio-lookup table for all GPIOs
needed by the codec + machine driver, including the GPIOs coming from
the codec itself.
Add an arizona_spi_acpi_android_probe() function which waits for the
x86-android-tablets to have set things up before continue with probing
the arizona WM5102 codec.
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220307173844.199135-2-hdegoede@redhat.com
x86/ACPI boards with an arizona WM5102 codec ship with either Windows or
Android as factory installed OS.
The ACPI fwnode describing the codec differs depending on the factory OS,
and the current arizona_spi_acpi_probe() function is tailored for use
with the Windows board ACPI tables.
Split out the Windows board ACPI tables specific bits into a new
arizona_spi_acpi_windows_probe() function in preparation for also
adding support for the Android board ACPI tables.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220307173844.199135-1-hdegoede@redhat.com
Add the missing iounmap() before return from asic3_mfd_probe
in the error handling case.
Fixes: 64e8867ba8 ("mfd: tmio_mmc hardware abstraction for CNF area")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220307072947.5369-1-linmq006@gmail.com
The SPI driver wants to know the exact type of the controller.
Provide this information to it, hence it allows to fix the
Intel Cannon Lake and others in the future.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220301205056.79810-1-andriy.shevchenko@linux.intel.com
Fix "unused variable 'atmel_flexcom_pm_ops' [-Wunused-const-variable]"
compilation warning by using __maybe_unused on PM ops.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211207111515.814653-1-claudiu.beznea@microchip.com
The overwhelming bulk of this pull request is a change from Uwe
Kleine-König which changes the return type of the remove() function to
void as part of some wider work he's doing to do this for all bus types,
causing updates to most SPI device drivers. The branch with that on has
been cross merged with a couple of other trees which added new SPI
drivers this cycle, I'm not expecting any build issues resulting from
the change.
Otherwise it's been a relatively quiet release with some new device
support, a few minor features and the welcome completion of the
conversion of the subsystem to use GPIO descriptors rather than numbers:
- Change return type of remove() to void.
- Completion of the conversion of SPI controller drivers to use GPIO
descriptors rather than numbers.
- Quite a few DT schema conversions.
- Support for multiple SPI devices on a bus in ACPI systems.
- Big overhaul of the PXA2xx SPI driver.
- Support for AMD AMDI0062, Intel Raptor Lake, Mediatek MT7986 and
MT8186, nVidia Tegra210 and Tegra234, Renesas RZ/V2L, Tesla FSD and
Sunplus SP7021.
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Merge tag 'spi-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"The overwhelming bulk of this pull request is a change from Uwe
Kleine-König which changes the return type of the remove() function to
void as part of some wider work he's doing to do this for all bus
types, causing updates to most SPI device drivers. The branch with
that on has been cross merged with a couple of other trees which added
new SPI drivers this cycle, I'm not expecting any build issues
resulting from the change.
Otherwise it's been a relatively quiet release with some new device
support, a few minor features and the welcome completion of the
conversion of the subsystem to use GPIO descriptors rather than
numbers:
- Change return type of remove() to void.
- Completion of the conversion of SPI controller drivers to use GPIO
descriptors rather than numbers.
- Quite a few DT schema conversions.
- Support for multiple SPI devices on a bus in ACPI systems.
- Big overhaul of the PXA2xx SPI driver.
- Support for AMD AMDI0062, Intel Raptor Lake, Mediatek MT7986 and
MT8186, nVidia Tegra210 and Tegra234, Renesas RZ/V2L, Tesla FSD and
Sunplus SP7021"
[ And this is obviously where that spi change that snuck into the
regulator tree _should_ have been :^]
* tag 'spi-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (124 commits)
spi: fsi: Implement a timeout for polling status
spi: Fix erroneous sgs value with min_t()
spi: tegra20: Use of_device_get_match_data()
spi: mediatek: add ipm design support for MT7986
spi: Add compatible for MT7986
spi: sun4i: fix typos in comments
spi: mediatek: support tick_delay without enhance_timing
spi: Update clock-names property for arm pl022
spi: rockchip-sfc: fix platform_get_irq.cocci warning
spi: s3c64xx: Add spi port configuration for Tesla FSD SoC
spi: dt-bindings: samsung: Add fsd spi compatible
spi: topcliff-pch: Prevent usage of potentially stale DMA device
spi: tegra210-quad: combined sequence mode
spi: tegra210-quad: add acpi support
spi: npcm-fiu: Fix typo ("npxm")
spi: Fix Tegra QSPI example
spi: qup: replace spin_lock_irqsave by spin_lock in hard IRQ
spi: cadence: fix platform_get_irq.cocci warning
spi: Update NXP Flexspi maintainer details
dt-bindings: mfd: maxim,max77802: Convert to dtschema
...
syscon regmap is not used since commit addebf1588 ("mfd: exynos-lpass:
Remove pad retention control").
Fixes: addebf1588 ("mfd: exynos-lpass: Remove pad retention control")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220202151310.285561-3-krzysztof.kozlowski@canonical.com
This debugfs isn't used by anyone, if we want to dump the contents
of registers we should just convert the driver to regmap instead.
I'm also excluding this from the device tree bindings when converting
to YAML because it is not a real device, and device trees should
only contain real physical devices.
Delete it.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220212214724.681530-1-linus.walleij@linaro.org
pci_driver probe functions aren't called with locks held and
thus don't need GFP_ATOMIC. Use GFP_KERNEL instead.
Problem found with Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220210204223.104181-10-Julia.Lawall@inria.fr
Returning a non-zero value in an i2c remove callback results in the i2c
core emitting a very generic error message ("remove failed (-ESOMETHING),
will be ignored") and as the message indicates not further error handling
is done.
Instead emit a more specific error message and then return zero in
.remove().
The long-term goal is to make the i2c remove prototype return void, making
all implementations return 0 is preparatory work for this change.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220214150710.312269-1-u.kleine-koenig@pengutronix.de
This adds reboot support to the rk808 pmic driver and enables it for
the rk809 and rk817 devices.
This only enables if the rockchip,system-power-controller flag is set.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220208194023.929720-1-pgwipeout@gmail.com
When the match tables were split for I2C and SPI a static should have
been added since the tables are no longer exported.
Fixes: 3f65555c41 ("mfd: arizona: Split of_match table into I2C and SPI versions")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220104165435.26782-1-ckeepax@opensource.cirrus.com
For the CRC PMIC we end up with multiple IRQ domains with the same fwnode.
One for the irqchip which demultiplexes the actual PMIC interrupt into
interrupts for the various cells (known as the level 1 interrupts);
And 2 more for the irqchips which are part of the crystal_cove_gpio
and crystal_cove_charger cells.
This leads to the following error being printed when
CONFIG_GENERIC_IRQ_DEBUGFS is enabled:
debugfs: File '\_SB.I2C7.PMIC' in directory 'domains' already present!
Set the bus token of the main IRQ domain to DOMAIN_BUS_NEXUS to avoid
this error, this also allows irq_find_matching_fwspec() to find the
right domain if necessary.
Note all 3 domain registering drivers need to set the IRQ domain bus token.
This is necessary because the IRQ domain code defaults to creating
the debugfs dir with just the fwnode name and then renames it when
the bus token is set. So each one starts with the same default name and
all 3 must be given a different name to avoid problems when one of the
other drivers loads and starts with the same default name.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211225115509.94891-4-hdegoede@redhat.com
The Crystal Cove PMIC has a pin which can be used to connect the IRQ of
an external charger IC. On some boards this is used and we need to have
a cell for this, with a driver which creates its own irqchip with
a single IRQ for the charger driver to consume.
The charger driver cannot directly consume the IRQ from the MFD level
irqchip because the PMIC has 2 levels of interrupts and the second
level interrupt status register, which is handled by the cell drivers,
needs to have the IRQ acked to avoid an IRQ storm.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211225115509.94891-3-hdegoede@redhat.com
The cells for the Crystal Cove PMIC are already mostly sorted by
function / IRQ order. Move the ADC cell so that they are fully sorted.
Also move some of the resource definitions so that their order matches
the (new) order of the cells.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211225115509.94891-2-hdegoede@redhat.com
This adds support for the MediaTek MT6366 PMIC. This is a
multifunction device with the following sub modules:
- Regulator
- RTC
- Codec
- Interrupt
It is interfaced to the host controller using SPI interface
by a proprietary hardware called PMIC wrapper or pwrap.
MT6366 MFD is a child device of the pwrap.
Signed-off-by: Johnson Wang <johnson.wang@mediatek.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220106065407.16036-2-johnson.wang@mediatek.com
As the potential failure of the devm_request_threaded_irq(),
it should be better to check the return value of the
mc13xxx_irq_request() and return error if fails.
Fixes: 8e00593557 ("mfd: Add mc13892 support to mc13xxx")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220224022331.3208275-1-jiasheng@iscas.ac.cn
Add a simple driver for the Maxim MAX77714 PMIC, supporting RTC and
watchdog only.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
RTC_DATE and REG_RTC_DATE are used for the registers holding the day of
month. Rename these constants to mean what they mean.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Instead of manually disabling interrupts before invoking use
generic_handle_irq_safe() which can be invoked with enabled and disabled
interrupts.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220211181500.1856198-6-bigeasy@linutronix.de
Merge series from Mika Westerberg <mika.westerberg@linux.intel.com>:
Based on discussion on the patch I sent some time ago here:
http://lists.infradead.org/pipermail/linux-mtd/2021-June/086867.html
it turns out that the preferred way to deal with the SPI flash controller
drivers is through SPI MEM which is part of Linux SPI subsystem.
This series does that for the intel-spi driver. This also renames the
driver to follow the convention used in the SPI subsystem. The first patch
improves the write protection handling to be slightly more safer. The
following two patches do the conversion itself. Note the Intel SPI flash
controller only allows commands such as read, write and so on and it
internally uses whatever addressing etc. it figured from the SFDP on the
flash device.
base-commit: e783362eb5
Individual sub-devices may elect to make decisions based on the
specific revision of silicon encountered at probe. This data is
already read from the device, but is not retained.
Pass this data on to the sub-devices by adding the software and
hardware numbers (registers 0x01 and 0x02, respectively) to the
iqs62x_core struct.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Currently the driver tries to disable the BIOS write protection
automatically even if this is not what the user wants. For this reason
modify the driver so that by default it does not touch the write
protection. Only if specifically asked by the user (setting writeable=1
command line parameter) the driver tries to disable the BIOS write
protection.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mauro Lima <mauro.lima@eclypsium.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220209122706.42439-2-mika.westerberg@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The value returned by an spi driver's remove function is mostly ignored.
(Only an error message is printed if the value is non-zero that the
error is ignored.)
So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour, all callbacks were prepared to
return 0 before.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Claudius Heine <ch@denx.de>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For MMC
Acked-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Acked-by: Łukasz Stelmach <l.stelmach@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220123175201.34839-6-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Add a Kconfig name to the "Simple Multi-Functional Device support (I2C)"
device so that it can be enabled via menuconfig.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Tablet / laptop designs using an Intel Cherry Trail x86 main SoC with
an Intel Whiskey Cove PMIC do not use a single standard setup for
the charger, fuel-gauge and other chips surrounding the PMIC /
charging+data USB port.
Unlike what is normal on x86 this diversity in designs is not handled
by the ACPI tables. On 2 of the 3 known designs there are no standard
(PNP0C0A) ACPI battery devices and on the 3th design the ACPI battery
device does not work under Linux due to it requiring non-standard
and undocumented ACPI behavior.
So to make things work under Linux we use native charger and fuel-gauge
drivers on these devices, re-using the native drivers used on ARM boards
with the same charger / fuel-gauge ICs.
This requires various MFD-cell drivers for the CHT-WC PMIC cells to
know which model they are exactly running on so that they can e.g.
instantiate an I2C-client for the right model charger-IC (the charger
is connected to an I2C-controller which is part of the PMIC).
Rather then duplicating DMI-id matching to check which model we are
running on in each MFD-cell driver, add a check for this to the
shared drivers/mfd/intel_soc_pmic_chtwc.c code by using a
DMI table for all 3 known models:
1. The GPD Win and GPD Pocket mini-laptops, these are really 2 models
but the Pocket re-uses the GPD Win's design in a different housing:
The WC PMIC is connected to a TI BQ24292i charger, paired with
a Maxim MAX17047 fuelgauge + a FUSB302 USB Type-C Controller +
a PI3USB30532 USB switch, for a fully functional Type-C port.
2. The Xiaomi Mi Pad 2:
The WC PMIC is connected to a TI BQ25890 charger, paired with
a TI BQ27520 fuelgauge, using the TI BQ25890 for BC1.2 charger type
detection, for a USB-2 only Type-C port without PD.
3. The Lenovo Yoga Book YB1-X90 / Lenovo Yoga Book YB1-X91 series:
The WC PMIC is connected to a TI BQ25892 charger, paired with
a TI BQ27542 fuelgauge, using the WC PMIC for BC1.2 charger type
detection and using the BQ25892's Mediatek Pump Express+ (1.0)
support to enable charging with up to 12V through a micro-USB port.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Here is the set of changes for the driver core for 5.17-rc1.
Lots of little things here, including:
- kobj_type cleanups
- auxiliary_bus documentation updates
- auxiliary_device conversions for some drivers (relevant
subsystems all have provided acks for these)
- kernfs lock contention reduction for some workloads
- other tiny cleanups and changes.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the set of changes for the driver core for 5.17-rc1.
Lots of little things here, including:
- kobj_type cleanups
- auxiliary_bus documentation updates
- auxiliary_device conversions for some drivers (relevant subsystems
all have provided acks for these)
- kernfs lock contention reduction for some workloads
- other tiny cleanups and changes.
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (43 commits)
kobject documentation: remove default_attrs information
drivers/firmware: Add missing platform_device_put() in sysfb_create_simplefb
debugfs: lockdown: Allow reading debugfs files that are not world readable
driver core: Make bus notifiers in right order in really_probe()
driver core: Move driver_sysfs_remove() after driver_sysfs_add()
firmware: edd: remove empty default_attrs array
firmware: dmi-sysfs: use default_groups in kobj_type
qemu_fw_cfg: use default_groups in kobj_type
firmware: memmap: use default_groups in kobj_type
sh: sq: use default_groups in kobj_type
headers/uninline: Uninline single-use function: kobject_has_children()
devtmpfs: mount with noexec and nosuid
driver core: Simplify async probe test code by using ktime_ms_delta()
nilfs2: use default_groups in kobj_type
kobject: remove kset from struct kset_uevent_ops callbacks
driver core: make kobj_type constant.
driver core: platform: document registration-failure requirement
vdpa/mlx5: Use auxiliary_device driver data helpers
net/mlx5e: Use auxiliary_device driver data helpers
soundwire: intel: Use auxiliary_device driver data helpers
...
The PWR_OFF bit needs to be set in order to power off properly, without
hanging PMIC. This bit needs to be set early in order to allow thermal
protection of NVIDIA Terga SoCs to power off hardware properly, otherwise
a battery re-plug may be needed on some devices to recover after the hang.
Cc: <stable@vger.kernel.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # ASUS TF201
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211124190104.23554-1-digetx@gmail.com
The Intel Crystal Cove PMIC has 2 different variants, one for use with
Bay Trail (BYT) SoCs and one for use with Cherry Trail (CHT) SoCs.
So far we have been using an ACPI _HRV check to differentiate between
the 2, but at least on the Microsoft Surface 3, which is a CHT device,
the wrong _HRV value is reported by ACPI.
So instead switch to a CPU-ID check which prevents us from relying on
the possibly wrong ACPI _HRV value.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reported-by: Tsuchiya Yuto <kitakar@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211206174806.197772-2-hdegoede@redhat.com
Many DSDTs for Kaby Lake and Kaby Lake Refresh models contain a
_SB.PCI0.GEXP ACPI Device node describing an I2C attached PCA953x
GPIO expander.
This seems to be something which is copy and pasted from the DSDT
from some reference design since this ACPI Device is present even on
models where no such GPIO expander is used at all, such as on the
Microsoft Surface Go & Go 2.
This ACPI Device is a problem because it contains a SystemMemory
OperationRegion which covers the MMIO for the I2C4 I2C controller. This
causes the MFD cell for the I2C4 controller to not be instantiated due
to a resource conflict, requiring the use of acpi_enforce_resources=lax
to work around this.
I have done an extensive analysis of all the ACPI tables on the
Microsoft Surface Go and the _SB.PCI0.GEXP ACPI Device's methods are
not used by any code in the ACPI tables, neither are any of them
directly called by any Linux kernel code. This is unsurprising since
running i2cdetect on the I2C4 bus shows that there is no GPIO
expander chip present on these devices at all.
This commit adds a PCI subsystem vendor:device table listing PCI devices
where it is known to be safe to ignore resource conflicts with ACPI
declared SystemMemory regions.
This makes the I2C4 bus work out of the box on the Microsoft Surface
Go & Go 2, which is necessary for the cameras on these devices to work.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211203115108.89661-1-hdegoede@redhat.com
Intel Platform Monitoring Technology (PMT) support is indicated by presence
of an Intel defined PCIe Designated Vendor Specific Extended Capabilities
(DVSEC) structure with a PMT specific ID. The current MFD implementation
creates child devices for each PMT feature, currently telemetry, watcher,
and crashlog. However DVSEC structures may also be used by Intel to
indicate support for other features. The Out Of Band Management Services
Module (OOBMSM) uses DVSEC to enumerate several features, including PMT.
In order to support them it is necessary to modify the intel_pmt driver to
handle the creation of the child devices more generically. To that end,
modify the driver to create child devices for any VSEC/DVSEC features on
supported devices (indicated by PCI ID). Additionally, move the
implementation from MFD to the Auxiliary bus. VSEC/DVSEC features are
really multifunctional PCI devices, not platform devices as MFD was
designed for. Auxiliary bus gives more flexibility by allowing the
definition of custom structures that can be shared between associated
auxiliary devices and the parent device. Also, rename the driver from
intel_pmt to intel_vsec to better reflect the purpose.
This series also removes the current runtime pm support which was not
complete to begin with. None of the current devices require runtime pm.
However the support will be replaced when a device is added that requires
it.
Reviewed-by: Mark Gross <markgross@kernel.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20211208015015.891275-4-david.e.box@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The INTEL_SOC_PMIC_CHTDC_TI should be initialized early, before
loading the fbcon driver, as otherwise the i915 driver will
fail to configure pwm:
[ 13.674287] fb0: switching to inteldrmfb from EFI VGA
[ 13.682380] Console: switching to colour dummy device 80x25
[ 13.682468] i915 0000:00:02.0: vgaarb: deactivate vga console
[ 13.682686] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 13.685773] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 13.686219] i915 0000:00:02.0: [drm] *ERROR* Failed to configure the pwm chip
[ 13.699572] [drm] Initialized i915 1.6.0 20200313 for 0000:00:02.0 on minor 0
[ 13.739044] fbcon: i915drmfb (fb0) is primary device
[ 14.037792] intel_soc_pmic_exec_mipi_pmic_seq_element: No PMIC registered
...
[ 24.621403] intel_pmic_install_opregion_handler: Ask to register OpRegion for bus ID=PMI2, HID=INT33F5
[ 24.630540] intel_pmic_install_opregion_handler: OpRegion registered
(some extra debug printk's were added to the above)
As suggested by Hans, this patch also addresses an issue with
the dependencies, as, for this driver to be a bool, it also
need the I2C core and the I2C_DESIGNWARE driver to be builtin.
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/86f546b3233fd799b0c39b83afc521440ebfe004.1638192232.git.mchehab+huawei@kernel.org
Enable the I2C bus mode if I2C_FUNC_I2C is set. Based on da6093 commit:
"586478bfc9f7 mfd: da9063: Support SMBus and I2C mode"
Signed-off-by: Andrej Picej <andrej.picej@norik.com>
Reviewed-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211124065119.2514872-1-andrej.picej@norik.com
This device is found in the MacBookPro16,2, and as the MacBookPro16,1 is
from the same generation of MacBooks and has a UART with bxt_uart_info,
it was incorrectly assumed that the MacBookPro16,2's UART would have the
same info.
This led to the wrong clock speed being used, and the Bluetooth
controller exposed by the UART receiving and sending random data, which
was incorrectly assumed to be an issue with the Bluetooth stuff, not an
error with the UART side of things.
Changing the info to spt_uart_info changes the clock speed and makes it
send and receive data correctly.
Fixes: ddb1ada416 ("mfd: intel-lpss: Add support for MacBookPro16,2 ICL-N UART")
Signed-off-by: Orlando Chamberlain <redecorating@protonmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211124091846.11114-1-redecorating@protonmail.com
The runtime PM callback may be called as soon as the runtime PM facility
is enabled and activated. It means that ->suspend() may be called before
we finish probing the device in the ACPI case. Hence, NULL pointer
dereference:
intel-lpss INT34BA:00: IRQ index 0 not found
BUG: kernel NULL pointer dereference, address: 0000000000000030
...
Workqueue: pm pm_runtime_work
RIP: 0010:intel_lpss_suspend+0xb/0x40 [intel_lpss]
To fix this, first try to register the device and only after that enable
runtime PM facility.
Fixes: 4b45efe852 ("mfd: Add support for Intel Sunrisepoint LPSS devices")
Reported-by: Orlando Chamberlain <redecorating@protonmail.com>
Reported-by: Aditya Garg <gargaditya08@live.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Aditya Garg <gargaditya08@live.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211101190008.86473-1-andriy.shevchenko@linux.intel.com
Add support of sub-functions disabling. It allows one to define
an stmpe sub-function device in devicetree, but keep it disabled.
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211027082155.206449-1-francesco.dolcini@toradex.com
Flexcom IP embeds 3 other IPs: usart, i2c, spi and selects the operation
mode (usart, i2c, spi) via mode register (FLEX_MR). On i2c bus there might
be connected critical devices (like PMIC) which on suspend/resume should
be suspended/resumed at the end/beginning. i2c uses
.suspend_noirq/.resume_noirq for this kind of purposes. Align flexcom
to use .resume_noirq as it should be resumed before the embedded IPs.
Otherwise the embedded devices might behave badly.
Fixes: 7fdec11015 ("atmel_flexcom: Support resuming after a chip reset")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Tested-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211028135138.3481166-3-claudiu.beznea@microchip.com
Add new IDs of the Intel Lakefield chip to the list of supported
devices.
Signed-off-by: Ed Schaller <schallee@darkmist.net>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211123180114.GA4747@darkmist.net
The only known BD70528 use-cases are such that the PMIC is controlled
from separate MCU which is not running Linux. I am not aware of
any Linux driver users. Furthermore, it seems there is no demand for
this IC. Let's ease the maintenance burden and drop the driver. We can
always add it back if there is sudden need for it.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/cf7dfd98b3403ad363b2b48b57bdbfd57a6416cb.1637066805.git.matti.vaittinen@fi.rohmeurope.com
cros_ec_typec:
* Clean up use of cros_ec_check_features
cros_ec_*:
* Rename and move cros_ec_pd_command to cros_ec_command, and make changes to
cros_ec_typec and cros_ec_proto to use the new common command, reducing
duplication.
sensorhub:
* simplify getting .driver_data in cros_ec_sensors_core and cros_ec_sensorhub
misc:
* Maintainership change. Enric Balletbo i Serra has moved on from Collabora,
so removing him from chrome/platform maintainers. Thanks for all of your
hard work maintaining this, Enric, and best of luck to you in your new role!
* Add Prashant Malani as driver maintainer for cros_ec_typec.c and
cros_usbpd_notify. He was already principal contributor of these drivers.
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Merge tag 'tag-chrome-platform-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"cros_ec_typec:
- Clean up use of cros_ec_check_features
cros_ec_*:
- Rename and move cros_ec_pd_command to cros_ec_command, and make
changes to cros_ec_typec and cros_ec_proto to use the new common
command, reducing duplication.
sensorhub:
- simplify getting .driver_data in cros_ec_sensors_core and
cros_ec_sensorhub
misc:
- Maintainership change. Enric Balletbo i Serra has moved on from
Collabora, so removing him from chrome/platform maintainers. Thanks
for all of your hard work maintaining this, Enric, and best of luck
to you in your new role!
- Add Prashant Malani as driver maintainer for cros_ec_typec.c and
cros_usbpd_notify. He was already principal contributor of these
drivers"
* tag 'tag-chrome-platform-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_proto: Use ec_command for check_features
platform/chrome: cros_ec_proto: Use EC struct for features
MAINTAINERS: Chrome: Drop Enric Balletbo i Serra
platform/chrome: cros_ec_typec: Use cros_ec_command()
platform/chrome: cros_ec_proto: Add version for ec_command
platform/chrome: cros_ec_proto: Make data pointers void
platform/chrome: cros_usbpd_notify: Move ec_command()
platform/chrome: cros_usbpd_notify: Rename cros_ec_pd_command()
platform/chrome: cros_ec: Fix spelling mistake "responsed" -> "response"
platform/chrome: cros_ec_sensorhub: simplify getting .driver_data
iio: common: cros_ec_sensors: simplify getting .driver_data
platform/chrome: cros-ec-typec: Cleanup use of check_features
platform/chrome: cros_ec_proto: Fix check_features ret val
MAINTAINERS: Add Prashant's maintainership of cros_ec drivers
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Merge tag 'linux-watchdog-5.16-rc1' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- f71808e_wdt: convert to watchdog framework
- db8500_wdt: Rename driver (was ux500_wdt.c)
- sunxi: Add compatibles for R329 and D1
- mtk: add disable_wdt_extrst support
- several other small fixes and improvements
* tag 'linux-watchdog-5.16-rc1' of git://www.linux-watchdog.org/linux-watchdog: (30 commits)
watchdog: db8500_wdt: Rename symbols
watchdog: db8500_wdt: Rename driver
watchdog: ux500_wdt: Drop platform data
watchdog: bcm63xx_wdt: fix fallthrough warning
watchdog: iTCO_wdt: No need to stop the timer in probe
watchdog: s3c2410: describe driver in KConfig
watchdog: sp5100_tco: Add support for get_timeleft
watchdog: mtk: add disable_wdt_extrst support
dt-bindings: watchdog: mtk-wdt: add disable_wdt_extrst support
watchdog: rza_wdt: Use semicolons instead of commas
watchdog: mlx-wdt: Use regmap_write_bits()
watchdog: rti-wdt: Make use of the helper function devm_platform_ioremap_resource()
watchdog: iTCO_wdt: Make use of the helper function devm_platform_ioremap_resource()
watchdog: ar7_wdt: Make use of the helper function devm_platform_ioremap_resource_byname()
watchdog: sunxi_wdt: Add support for D1
dt-bindings: watchdog: sunxi: Add compatibles for D1
ar7: fix kernel builds for compiler test
dt-bindings: watchdog: sunxi: Add compatibles for R329
watchdog: meson_gxbb_wdt: add timeout parameter
watchdog: meson_gxbb_wdt: add nowayout parameter
...
MFD_SIMPLE_MFD_I2C should select the MFD_CORE to a prevent build error:
aarch64-linux-ld: drivers/mfd/simple-mfd-i2c.o: in function `simple_mfd_i2c_probe':
drivers/mfd/simple-mfd-i2c.c:55: undefined reference to `devm_mfd_add_devices'
Cc: <stable@vger.kernel.org>
Fixes: c753ea3178 ("mfd: simple-mfd-i2c: Add support for registering devices via MFD cells")
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211102100420.112215-1-robert.marko@sartura.hr
