This driver provides fan speed monitoring for Lenovo Yoga, Legion, and
IdeaPad laptops by interfacing with the Embedded Controller (EC) via ACPI.
To address low-resolution sampling in Lenovo EC firmware, a Rate-Limited
Lag (RLLag) filter is implemented. The filter ensures a consistent physical
curve regardless of userspace polling frequency.
Hardware identification is performed via DMI-based quirk tables, which
map specific ACPI object paths and register widths (8-bit vs 16-bit)
deterministically.
Signed-off-by: Sergio Melas <sergiomelas@gmail.com>
Link: https://lore.kernel.org/r/20260327221602.18832-1-sergiomelas@gmail.com
[groeck: Dropped double empty line in Kconfig]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for the ITE IT8689E Super I/O chip. The IT8689E supports
newer autopwm, 12mV ADC, 16-bit fans, six fans, six PWM channels,
PWM frequency 2, six temperature inputs, AVCC3, temperature offset,
and fan on/off control.
Give it8689 its own GPIO configuration block in it87_find() rather
than sharing the it8620/it8628 block. The shared block reads
IT87_SIO_PINX2_REG and either marks IN3 as internal AVCC or skips
IN9. Because it8689 declares FEAT_AVCC3, IN9 is already marked as
always-internal before the GPIO block is reached; applying the PINX2
check would either create duplicate AVCC labels on IN3 and IN9 or
incorrectly skip IN9.
Also update Documentation/hwmon/it87.rst and drivers/hwmon/Kconfig to
document the newly supported chip.
Signed-off-by: Markus Hoffmann <markus@thehoffs.at>
Link: https://lore.kernel.org/r/20260322103301.18112-1-markus@thehoffs.at
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
OF_GPIO is selected automatically on all OF systems. Any symbols it
controls also provide stubs so there's really no reason to select it
explicitly.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260304-gpio-of-kconfig-v1-9-d597916e79e7@oss.qualcomm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add hardware monitoring support for the LattePanda Sigma SBC
(DFRobot, ITE IT8613E EC). The driver reads fan speed and
temperatures via direct port I/O, as the BIOS disables the
ACPI EC interface.
Signed-off-by: Mariano Abad <weimaraner@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
TMP110 and TMP113 temperature sensors are software compatible
with TMP102 sensor but have different accuracy (maximum error).
Signed-off-by: Flaviu Nistor <flaviu.nistor@gmail.com>
Link: https://lore.kernel.org/r/20260225095132.29954-1-flaviu.nistor@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
INA234 is register compatible to INA226 (excepting manufacturer and die
or device id registers) but has different scaling.
Signed-off-by: Ian Ray <ian.ray@gehealthcare.com>
Reviewed-by: Bence Csókás <bence98@sch.bme.hu> # v2
Tested-by: Jens Almer <bagawk@gmail.com>
Tested-by: Jonas Rebmann <jre@pengutronix.de>
Link: https://lore.kernel.org/r/20260220112024.97446-4-ian.ray@gehealthcare.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Subsystem:
- simplify combined i3c/i2c dependencies
Drivers:
- dw: handle 2C properly, fix possible race condition
- mipi-i3c-hci: many DMA related fixes
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Merge tag 'i3c/fixes-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c fixes from Alexandre Belloni:
"This introduces the I3C_OR_I2C symbol which is not a fix per se but is
affecting multiple subsystems so it is included to ease
synchronization.
Apart from that, Adrian is mostly fixing the mipi-i3c-hci driver DMA
handling, and I took the opportunity to add two fixes for the dw-i3c
driver.
Subsystem:
- simplify combined i3c/i2c dependencies
Drivers:
- dw: handle 2C properly, fix possible race condition
- mipi-i3c-hci: many DMA related fixes"
* tag 'i3c/fixes-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: dw-i3c-master: Set SIR_REJECT in DAT on device attach and reattach
i3c: master: dw-i3c: Fix missing of_node for virtual I2C adapter
i3c: mipi-i3c-hci: Fallback to software reset when bus disable fails
i3c: mipi-i3c-hci: Fix handling of shared IRQs during early initialization
i3c: mipi-i3c-hci: Fix race in DMA error handling in interrupt context
i3c: mipi-i3c-hci: Consolidate common xfer processing logic
i3c: mipi-i3c-hci: Restart DMA ring correctly after dequeue abort
i3c: mipi-i3c-hci: Add missing TID field to no-op command descriptor
i3c: mipi-i3c-hci: Correct RING_CTRL_ABORT handling in DMA dequeue
i3c: mipi-i3c-hci: Fix race between DMA ring dequeue and interrupt handler
i3c: mipi-i3c-hci: Fix race in DMA ring dequeue
i3c: mipi-i3c-hci: Fix race in DMA ring enqueue for parallel xfers
i3c: mipi-i3c-hci: Consolidate spinlocks
i3c: mipi-i3c-hci: Factor out DMA mapping from queuing path
i3c: mipi-i3c-hci: Fix Hot-Join NACK
i3c: mipi-i3c-hci: Use ETIMEDOUT instead of ETIME for timeout errors
i3c: simplify combined i3c/i2c dependencies
All combined i2c/i3c drivers appear to suffer from the same link
time problem when CONFIG_I3C is set to 'm':
arm-linux-gnueabi-ld: drivers/iio/magnetometer/mmc5633.o: in function `mmc5633_i3c_driver_init':
mmc5633.c:(.init.text+0x30): undefined reference to `i3c_driver_register_with_owner'
This was previously fixed every time by marking individual
drivers as 'depends on I2C; depends on I3C || !I3C', but this gets
tedious and is somewhat confusing.
Add a Kconfig symbol 'I3C_OR_I2C' to help replace those dependencies,
and use this in all the existing drivers that had already fixed it
as well as the new mmc5633 driver.
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Link: https://patch.msgid.link/20260204164216.544409-1-arnd@kernel.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This reverts commit 443b39c82c.
I was just informed that this product is discontinued (without being
ever released to the market). Pull the plug and let's not waste any more
maintainers time.
Signed-off-by: Michael Walle <mwalle@kernel.org>
Link: https://lore.kernel.org/r/20260223100459.844967-4-mwalle@kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for the P3T1035 & P3T2030 temperature sensor. While mostly
compatible with the TMP108, P3T1035 uses an 8-bit configuration register
instead of the 16-bit layout used by TMP108. Updated driver to handle
this difference during configuration read/write.
Signed-off-by: Mayank Mahajan <mayankmahajan.x@nxp.com>
Link: https://lore.kernel.org/r/20260119040459.2898998-2-mayankmahajan.x@nxp.com
[groeck: Reordered include files to retain alphabetic order]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The System Management Controller on Apple Silicon devices is responsible
for integrating and exposing the data reported by the vast array of
hardware monitoring sensors present on these devices. It is also
responsible for fan control, and allows users to manually set fan
speeds if they so desire. Add a hwmon driver to expose current,
power, temperature, and voltage monitoring sensors, as well as
fan speed monitoring and control via the SMC on Apple Silicon devices.
The SMC firmware has no consistency between devices, even when they
share an SoC. The FourCC keys used to access sensors are almost
random. An M1 Mac mini will have different FourCCs for its CPU core
temperature sensors to an M1 MacBook Pro, for example. For this
reason, the valid sensors for a given device are specified in a
child of the SMC Devicetree node. The driver uses this information
to determine which sensors to make available at runtime.
Reviewed-by: Neal Gompa <neal@gompa.dev>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Co-developed-by: Janne Grunau <j@jannau.net>
Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: James Calligeros <jcalligeros99@gmail.com>
Link: https://lore.kernel.org/r/20251112-macsmc-subdevs-v5-6-728e4b91fe81@gmail.com
[groeck: Added Documentation to index]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add a driver for the ST Microelectronics TSC1641 16-bit high-precision
power monitor. The driver supports reading bus voltage, current, power,
and temperature. Sysfs attributes are exposed for shunt resistor and
update interval. The driver integrates with the hwmon subsystem and
supports optional ALERT pin polarity configuration.
Signed-off-by: Igor Reznichenko <igor@reznichenko.net>
Link: https://lore.kernel.org/r/20251105201406.1210856-3-igor@reznichenko.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for dht20 temperature and humidity sensor from Aosong.
Modify aht10 driver to handle different init command for dht20 sensor by
adding init_cmd entry in the driver data. dht20 sensor is compatible with
aht10 hwmon driver with this change.
Tested on TI am62x SK board with dht20 sensor connected at i2c-2 port.
Signed-off-by: Akhilesh Patil <akhilesh@ee.iitb.ac.in>
Link: https://lore.kernel.org/r/2025112-94320-906858@bhairav-test.ee.iitb.ac.in
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for the ADT7422 high accuracy digital temperature sensor. It's
identical to the other chips supported in the driver so we just need to
add it to the ID tables.
Co-developed-by: Cosmin Tanislav <demonsingur@gmail.com>
Signed-off-by: Cosmin Tanislav <demonsingur@gmail.com>
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20251015-dev-add-adt7422-v1-3-7cf72d3253ad@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
GPIO core:
- add support for sparse pin ranges to the glue between GPIO and pinctrl
- use a common prefix across all GPIO descriptor flags for improved
namespacing
New drivers:
- add new GPIO driver for the Nuvoton NCT6694
- add new GPIO driver for MAX7360
Driver improvements:
- add support for Tegra 256 to the gpio-tegra186 driver
- add support for Loongson-2K0300 to the gpio-loongson-64bit driver
- refactor the gpio-aggregator module to expose its GPIO forwarder API
to other in-kernel users (to enable merging of a new pinctrl driver
that uses it)
- convert all remaining drivers to using the modernized generic GPIO chip
API and remove the old interface
- stop displaying global GPIO numbers in debugfs output of controller
drivers
- extend the gpio-regmap helper with a new config option and improve its
support for GPIO interrupts
- remove redundant fast_io parameter from regmap configs in GPIO drivers
that already use MMIO regmaps which imply it
- add support for a new model in gpio-mmio: ixp4xx expansion bus
- order includes alphabetically in a few drivers for better readability
- use generic device properties where applicable
- use devm_mutex_init() where applicable
- extend build coverage of drivers by enabling more to be compiled with
COMPILE_TEST enabled
- allow building gpio-stmpe as a module
- use dev_err_probe() where it makes sense in drivers
Late driver fixes:
- fix setting GPIO direction to output in gpio-mpfs
Documentation:
- document the usage of software nodes with GPIO chips
Device-tree bindings:
- Add DT bindings documents for new hardware: Tegra256, MAX7360
- Document a new model in Loongson bindings: LS2K0300
- Document a new model using the generic GPIO binding: IXP4xx
- Convert the DT binding for fsl,mxs-pinctrl to YAML
- fix the schema ID in the "trivial" GPIO schema
- describe GPIO hogs in the generic GPIO binding
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Merge tag 'gpio-updates-for-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"There are two new drivers and support for more models in existing
ones.
The generic GPIO API has been reworked and all users converted
which allowed us to move the fields specific to the generic GPIO
implementation out of the high-level struct gpio_chip into its own
structure that wraps the gpio_chip.
Other than that, there's nothing too exciting. Mostly minor tweaks and
fixes all over the place, some refactoring and some small new features
in helper modules.
GPIO core:
- add support for sparse pin ranges to the glue between GPIO and
pinctrl
- use a common prefix across all GPIO descriptor flags for improved
namespacing
New drivers:
- add new GPIO driver for the Nuvoton NCT6694
- add new GPIO driver for MAX7360
Driver improvements:
- add support for Tegra 256 to the gpio-tegra186 driver
- add support for Loongson-2K0300 to the gpio-loongson-64bit driver
- refactor the gpio-aggregator module to expose its GPIO forwarder
API to other in-kernel users (to enable merging of a new pinctrl
driver that uses it)
- convert all remaining drivers to using the modernized generic GPIO
chip API and remove the old interface
- stop displaying global GPIO numbers in debugfs output of controller
drivers
- extend the gpio-regmap helper with a new config option and improve
its support for GPIO interrupts
- remove redundant fast_io parameter from regmap configs in GPIO
drivers that already use MMIO regmaps which imply it
- add support for a new model in gpio-mmio: ixp4xx expansion bus
- order includes alphabetically in a few drivers for better
readability
- use generic device properties where applicable
- use devm_mutex_init() where applicable
- extend build coverage of drivers by enabling more to be compiled
with COMPILE_TEST enabled
- allow building gpio-stmpe as a module
- use dev_err_probe() where it makes sense in drivers
Late driver fixes:
- fix setting GPIO direction to output in gpio-mpfs
Documentation:
- document the usage of software nodes with GPIO chips
Device-tree bindings:
- Add DT bindings documents for new hardware: Tegra256, MAX7360
- Document a new model in Loongson bindings: LS2K0300
- Document a new model using the generic GPIO binding: IXP4xx
- Convert the DT binding for fsl,mxs-pinctrl to YAML
- fix the schema ID in the "trivial" GPIO schema
- describe GPIO hogs in the generic GPIO binding"
* tag 'gpio-updates-for-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (122 commits)
gpio: mpfs: fix setting gpio direction to output
gpio: generic: move GPIO_GENERIC_ flags to the correct header
gpio: generic: rename BGPIOF_ flags to GPIO_GENERIC_
gpio: nomadik: fix the debugfs helper stub
MAINTAINERS: Add entry on MAX7360 driver
input: misc: Add support for MAX7360 rotary
input: keyboard: Add support for MAX7360 keypad
gpio: max7360: Add MAX7360 gpio support
gpio: regmap: Allow to provide init_valid_mask callback
gpio: regmap: Allow to allocate regmap-irq device
pwm: max7360: Add MAX7360 PWM support
pinctrl: Add MAX7360 pinctrl driver
mfd: Add max7360 support
dt-bindings: mfd: gpio: Add MAX7360
rtc: Add Nuvoton NCT6694 RTC support
hwmon: Add Nuvoton NCT6694 HWMON support
watchdog: Add Nuvoton NCT6694 WDT support
can: Add Nuvoton NCT6694 CANFD support
i2c: Add Nuvoton NCT6694 I2C support
gpio: Add Nuvoton NCT6694 GPIO support
...
Add a new driver for the Kontron SMARC-sAM67 board management
controller. It has two voltage sensors and one temperature sensor.
Signed-off-by: Michael Walle <mwalle@kernel.org>
Link: https://lore.kernel.org/r/20250912120745.2295115-7-mwalle@kernel.org
[groeck: Added sa67 to index.rst]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This driver supports Hardware monitor functionality for NCT6694 MFD
device based on USB interface.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Ming Yu <a0282524688@gmail.com>
Link: https://lore.kernel.org/r/20250912091952.1169369-7-a0282524688@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
Sensors driver for GPD Handhelds that expose fan reading and control via
hwmon sysfs.
Shenzhen GPD Technology Co., Ltd. manufactures a series of handheld
devices. This driver implements these functions through x86 port-mapped
IO.
Tested-by: Marcin Strągowski <marcin@stragowski.com>
Tested-by: someone5678 <someone5678.dev@gmail.com>
Tested-by: Justin Weiss <justin@justinweiss.com>
Tested-by: Antheas Kapenekakis <lkml@antheas.dev>
Tested-by: command_block <mtf@ik.me>
Tested-by: derjohn <himself@derjohn.de>
Tested-by: Crashdummyy <crashdummy1337@proton.me>
Signed-off-by: Cryolitia PukNgae <cryolitia@uniontech.com>
Link: https://lore.kernel.org/r/20250908-gpd_fan-v9-1-7b4506c03953@uniontech.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
INA700 is register compatible to INA780 but has different current, power,
and energy LSB values.
While the chip does not directly report the shunt voltage, report
it anyway by calculating its value from the current register.
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> # INA780
Cc: Christian Kahr <christian.kahr@sie.at>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
INA780 is similar to the other chips in the series, but does not
support the shunt voltage register. Shunt voltage limit registers
have been renamed to current limit registers, but are otherwise
identical.
While the chip does not directly report the shunt voltage, report
it anyway by calculating its value from the current register.
Cc: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> # INA780
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Update driver documentation and Kconfig entry to list all chips supported
by the driver.
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> # INA780
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Remove outdated mention of the supported mmotherboard families and add a
hint which sensor readings are available via the module.
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20250830131224.748481-1-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The device is able to monitor temperature, voltage and current of each of
the four outputs. Add basic support for monitoring the temperature of the
four outputs and the die temperature.
Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20250723-mc33xs2410-hwmon-v5-2-f62aab71cd59@liebherr.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
Here is the big char/misc/iio and other small driver subsystem pull
request for 6.16-rc1.
Overall, a lot of individual changes, but nothing major, just the normal
constant forward progress of new device support and cleanups to existing
subsystems. Highlights in here are:
- Large IIO driver updates and additions and device tree changes
- Android binder bugfixes and logfile fixes
- mhi driver updates
- comedi driver updates
- counter driver updates and additions
- coresight driver updates and additions
- echo driver removal as there are no in-kernel users of it
- nvmem driver updates
- spmi driver updates
- new amd-sbi driver "subsystem" and drivers added
- rust miscdriver binding documentation fix
- other small driver fixes and updates (uio, w1, acrn, hpet, xillybus,
cardreader drivers, fastrpc and others.)
All of these have been in linux-next for quite a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc / iio driver updates from Greg KH:
"Here is the big char/misc/iio and other small driver subsystem pull
request for 6.16-rc1.
Overall, a lot of individual changes, but nothing major, just the
normal constant forward progress of new device support and cleanups to
existing subsystems. Highlights in here are:
- Large IIO driver updates and additions and device tree changes
- Android binder bugfixes and logfile fixes
- mhi driver updates
- comedi driver updates
- counter driver updates and additions
- coresight driver updates and additions
- echo driver removal as there are no in-kernel users of it
- nvmem driver updates
- spmi driver updates
- new amd-sbi driver "subsystem" and drivers added
- rust miscdriver binding documentation fix
- other small driver fixes and updates (uio, w1, acrn, hpet,
xillybus, cardreader drivers, fastrpc and others)
All of these have been in linux-next for quite a while with no
reported problems"
* tag 'char-misc-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (390 commits)
binder: fix yet another UAF in binder_devices
counter: microchip-tcb-capture: Add watch validation support
dt-bindings: iio: adc: Add ROHM BD79100G
iio: adc: add support for Nuvoton NCT7201
dt-bindings: iio: adc: add NCT7201 ADCs
iio: chemical: Add driver for SEN0322
dt-bindings: trivial-devices: Document SEN0322
iio: adc: ad7768-1: reorganize driver headers
iio: bmp280: zero-init buffer
iio: ssp_sensors: optimalize -> optimize
HID: sensor-hub: Fix typo and improve documentation
iio: admv1013: replace redundant ternary operator with just len
iio: chemical: mhz19b: Fix error code in probe()
iio: adc: at91-sama5d2: use IIO_DECLARE_BUFFER_WITH_TS
iio: accel: sca3300: use IIO_DECLARE_BUFFER_WITH_TS
iio: adc: ad7380: use IIO_DECLARE_DMA_BUFFER_WITH_TS
iio: adc: ad4695: rename AD4695_MAX_VIN_CHANNELS
iio: adc: ad4695: use IIO_DECLARE_DMA_BUFFER_WITH_TS
iio: introduce IIO_DECLARE_BUFFER_WITH_TS macros
iio: make IIO_DMA_MINALIGN minimum of 8 bytes
...
- New drivers
* Driver for KEBA fan controller
* Driver for KEBA battery monitoring controller
* Driver for MAX77705
- Support added to existing drivers
* asus-ec-sensors: Support or MAXIMUS VI HERO and ROG MAXIMUS Z90 Formula
* ina238: Support for SQ52206
* pmbus/lt3074: Support for lt3074
* pmbus/max34440: Support for ADPM12160
* pmbus/mpq8785: Support for MPM82504 and for MPM3695 family
* dell-smm: Add the Dell OptiPlex 7050 to the DMI whitelist
* k10temp: Support for Zen5 Ryzen Desktop
- Various other minor fixes and improvements
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Merge tag 'hwmon-for-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- KEBA fan controller
- KEBA battery monitoring controller
- MAX77705
Support added to existing drivers:
- MAXIMUS VI HERO and ROG MAXIMUS Z90 Formula support (asus-ec-sensors)
- SQ52206 support (ina238)
- lt3074 support (pmbus/lt3074)
- ADPM12160 support (pmbus/max34440)
- MPM82504 and for MPM3695 family support (pmbus/mpq8785)
- Add the Dell OptiPlex 7050 to the DMI whitelist (dell-smm)
- Zen5 Ryzen Desktop support (k10temp)
Various other minor fixes and improvements"
* tag 'hwmon-for-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (48 commits)
doc: hwmon: acpi_power_meter: Add information about enabling the power capping feature.
hwmon: (isl28022) Fix current reading calculation
hwmon: (lm75) Fix I3C transfer buffer pointer for incoming data
hwmon: Add KEBA fan controller support
hwmon: pmbus: mpq8785: Add support for MPM3695 family
hwmon: pmbus: mpq8785: Add support for MPM82504
hwmon: pmbus: mpq8785: Implement VOUT feedback resistor divider ratio configuration
hwmon: pmbus: mpq8785: Prepare driver for multiple device support
dt-bindings: hwmon: Add bindings for mpq8785 driver
hwmon: (ina238) Modify the calculation formula to adapt to different chips
hwmon: (ina238) Add support for SQ52206
dt-bindings: Add SQ52206 to ina2xx devicetree bindings
hwmon: (ina238) Add ina238_config to save configurations for different chips
hwmon: (ausus-ec-sensors) add MAXIMUS VI HERO.
hwmon: (isl28022, nct7363) Convert to use maple tree register cache
hwmon: (asus-ec-sensors) check sensor index in read_string()
hwmon: (asus-ec-sensors) add ROG MAXIMUS Z90 Formula.
dt-bindings: hwmon: Add Sophgo SG2044 external hardware monitor support
hwmon: (max77705) Add initial support
hwmon: (tmp102) add vcc regulator support
...
This is done to support other functionality provided by the SBRMI, which
does not fit in the hwmon subsystem.
Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
Signed-off-by: Akshay Gupta <akshay.gupta@amd.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20250428063034.2145566-2-akshay.gupta@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The KEBA fan controller is found in the system FPGA of KEBA PLC devices.
It detects if the fan is removed or blocked. For fans with tacho signal
the monitoring of the speed of the fan is supported. It also supports to
regulate the speed of fans with PWM input.
The auxiliary device for this driver is instantiated by the cp500 misc
driver.
Signed-off-by: Gerhard Engleder <eg@keba.com>
Link: https://lore.kernel.org/r/20250425194823.54664-1-gerhard@engleder-embedded.com
[groeck: Added various missing "break;" statements]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The EC of OneXPlayer devices used to only control the fan. This is no
longer the case, with the EC of OneXPlayer gaining additional
functionality (turbo button, turbo led, battery controls).
As it will be beneficial from a complexity perspective to retain this
driver as a single unit, move it out of hwmon, and into platform/x86.
Also, remove the hwmon documentation to prepare moving it to
Documentation/ABI/.
While at it, add myself to the maintainer's file.
Acked-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Derek J. Clark <derekjohn.clark@gmail.com>
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Link: https://lore.kernel.org/r/20250425111821.88746-4-lkml@antheas.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Maxim MAX77705 is a Companion Power Management and Type-C interface IC.
It includes charger and fuel gauge blocks, and is capable of measuring
charger input current, system bus volatage and current, and bypass
voltage.
Add support for mentioned measurements.
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Link: https://lore.kernel.org/r/20250423-initial-support-for-max77705-sensors-v6-1-ff379e1b06c5@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The KEBA battery monitoring controller is found in the system FPGA of
KEBA PLC devices. It puts a load on the coin cell battery to check the
state of the battery. If the coin cell battery is nearly empty, then
the user space is signaled with a hwmon alarm.
The auxiliary device for this driver is instantiated by the cp500 misc
driver.
Signed-off-by: Gerhard Engleder <eg@keba.com>
Link: https://lore.kernel.org/r/20250409190830.60489-1-gerhard@engleder-embedded.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add base support for HTU31 temperature and humidity sensor.
Besides temperature and humidity values, the driver also exports a 24-bit
heater control to sysfs and serial number to debugfs.
Signed-off-by: Andrei Lalaev <andrey.lalaev@gmail.com>
Link: https://lore.kernel.org/r/20250217051110.46827-2-andrey.lalaev@gmail.com
[groeck: Fixed continuation line alignment]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for the Congatec Board Controller. This controller exposes
temperature, voltage, current and fan sensors.
The available sensors list cannot be predicted. Some sensors can be
present or not, depending the system.
The driver has an internal list of all possible sensors, for all Congatec
boards. The Board Controller gives to the driver its sensors list, and
their status (active or not).
Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
Link: https://lore.kernel.org/r/20250203-congatec-board-controller-hwmon-v4-1-ff6c76a4662c@bootlin.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
NCT7716 is similar to NCT7717 but has one more address support,
both of them only have a 8 bit resolution local thermal sensor.
NCT7718 has 11 bit resoulution remote thermal sensor.
Signed-off-by: Ming Yu <a0282524688@gmail.com>
Link: https://lore.kernel.org/r/20250117100744.1571385-2-a0282524688@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
* New drivers
- PMBus client driver for Intel CRPS185 power supply
- PMBus client driver for Texas Instruments TPS25990
* Chip support added to existing drivers
- pmbus/max15301: Add support for MAX15303
- pmbus/adm1275: Add adm1273 support
- lm75: Add NXP P3T1755 support; with it, add I3C support to the driver
- asus-ec-sensors: Add TUF GAMING X670E PLUS
* Other notable changes
- nct6683: Add customer IDs for several MSI and ASRock boards
- tmp108: Add regulator support
- Improve write protect support in PMBus core
- pmbus/dps920ab: Add ability to instantiate through i2c
- The hwmon core now accepts NULL as device name parameter to
[devm_]hwmon_device_register_with_info ans uses the parent device
name as fallback in that case
- The PMBus core now provides the PMBUs revision in a debugfs file
- asus-ec-sensors: Support for optional CPU fan on AMD 600 motherboards
- raspberrypi: Add PM suspend/resume support
- dell-smm: Enable manual fan control support on Dell XPS 9370
- pwm-fan: Default to maximum cooling level if provided
* Various other minor fixes and improvements
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Merge tag 'hwmon-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- PMBus client driver for Intel CRPS185 power supply
- PMBus client driver for Texas Instruments TPS25990
Chip support added to existing drivers:
- pmbus/max15301: Add support for MAX15303
- pmbus/adm1275: Add adm1273 support
- lm75: Add NXP P3T1755 support; with it, add I3C support to the
driver
- asus-ec-sensors: Add TUF GAMING X670E PLUS
Other notable changes:
- nct6683: Add customer IDs for several MSI and ASRock boards
- tmp108: Add regulator support
- Improve write protect support in PMBus core
- pmbus/dps920ab: Add ability to instantiate through i2c
- The hwmon core now accepts NULL as device name parameter to
[devm_]hwmon_device_register_with_info ans uses the parent device
name as fallback in that case
- The PMBus core now provides the PMBUs revision in a debugfs file
- asus-ec-sensors: Support for optional CPU fan on AMD 600
motherboards
- raspberrypi: Add PM suspend/resume support
- dell-smm: Enable manual fan control support on Dell XPS 9370
- pwm-fan: Default to maximum cooling level if provided
And various other minor fixes and improvements"
* tag 'hwmon-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (44 commits)
hwmon: pmbus: dps920ab: Add ability to instantiate through i2c
hwmon: (pwm-fan) Default to the Maximum cooling level if provided
hwmon: (asus_atk0110) Use str_enabled_disabled() and str_enable_disable() helpers
hwmon: Fix help text for aspeed-g6-pwm-tach
hwmon: (dell-smm) Add Dell XPS 9370 to fan control whitelist
hwmon: (acpi_power_meter) Fix update the power trip points on failure
hwmon: (acpi_power_meter) Fix uninitialized variables
hwmon: (core) Use device name as a fallback in devm_hwmon_device_register_with_info
hwmon: (pmbus/max15301) Add support for MAX15303
hwmon: (pmbus/adm1275) add adm1273 support
dt-bindings: hwmon: adm1275: add adm1273
hwmon: (nct6683) Add another customer ID for MSI
hwmon: (pwm-fan): Make use of device properties everywhere
hwmon: (lm75) add I3C support for P3T1755
hwmon: (lm75) separate probe into common and I2C parts
hwmon: (lm75) Remove superfluous 'client' member from private struct
hwmon: (lm75) simplify regulator handling
hwmon: (lm75) simplify lm75_write_config()
hwmon: (lm75) Hide register size differences in regmap access functions
hwmon: (pmbus/crps) Add Intel CRPS185 power supply
...
- Remove unused platform driver support for syscon.
- Allow syscon nodes to be registered without a "syscon" compatible string.
- Make `platform_data` pointer const in struct mfd_cell.
- Revert support for multiple AXP PMICs to avoid regressions.
- Increase SoundWire attach timeout and use gpiod_set_raw() for GPIO operation.
- Store the result from fault_log() for use by other sub-components.
- Fix an invalid regmap-config max_register value.
- Add another Gemini Lake ISA bridge PCI device ID.
- Use devm_register_power_off_handler() to simplify code.
- Add support for QNAP microcontroller units, including LEDs, input, and hwmon.
- Use MFD_CELL macros and remove unused code.
- Add support for AAEON UP board FPGA.
- Remove unused includes.
- Fix various typos and compatibility issues in multiple bindings.
- Add new bindings for rk3562 QoS, LED1202, and qcom,tcsr-ipq5424.
- Convert several bindings to YAML schema.
- Update sprd,sc2731 bindings to reference sprd,sc2731-efuse bindings directly.
- Fix rohm,bd71815 bindings by correcting resistor values and typos.
- Documentation improvements:
- Add documentation for LED1202 and qnap-mcu-hwmon.
- Adjust the file entry for the qnap-mcu header in MAINTAINERS.
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Merge tag 'mfd-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull mfd updates from Lee Jones:
- Fix race in device_node_get_regmap() using more extensive locking
- Remove unused platform driver support for syscon
- Allow syscon nodes to be registered without a "syscon" compatible
string
- Make `platform_data` pointer const in struct mfd_cell
- Revert support for multiple AXP PMICs to avoid regressions
- Increase SoundWire attach timeout and use gpiod_set_raw() for GPIO
operation
- Store the result from fault_log() for use by other sub-components
- Fix an invalid regmap-config max_register value
- Add another Gemini Lake ISA bridge PCI device ID
- Use devm_register_power_off_handler() to simplify code
- Add support for QNAP microcontroller units, including LEDs, input,
and hwmon
- Use MFD_CELL macros and remove unused code
- Add support for AAEON UP board FPGA
- Remove unused includes
- Fix various typos and compatibility issues in multiple bindings
- Add new bindings for rk3562 QoS, LED1202, and qcom,tcsr-ipq5424
- Convert several bindings to YAML schema
- Update sprd,sc2731 bindings to reference sprd,sc2731-efuse bindings
directly
- Fix rohm,bd71815 bindings by correcting resistor values and typos
- Documentation improvements:
- Add documentation for LED1202 and qnap-mcu-hwmon
- Adjust the file entry for the qnap-mcu header in MAINTAINERS
* tag 'mfd-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (35 commits)
MAINTAINERS: Adjust the file entry for the qnap-mcu header
dt-bindings: mfd: syscon: Fix ti,j784s4-acspcie-proxy-ctrl compatible
dt-bindings: mfd: syscon: Fix al,alpine-sysfabric-service compatible
Revert "mfd: axp20x: Allow multiple regulators"
dt-bindings: mfd: syscon: Add rk3562 QoS register compatible
mfd: syscon: Allow syscon nodes without a "syscon" compatible
mfd: syscon: Remove the platform driver support
mfd: syscon: Fix race in device_node_get_regmap()
dt-bindings: mfd: atmel: Convert to YAML schema
dt-bindings: mfd: atmel,at91sam9260: Convert to YAML schema
dt-bindings: mfd: sprd,sc2731: Reference sprd,sc2731-efuse bindings
mfd: tps65219: Remove unused macros & add regmap.h
mfd: tps65219: Use MFD_CELL macros
leds: Add LED1202 I2C driver
dt-bindings: leds: Add LED1202 LED Controller
Documentation:leds: Add leds-st1202.rst
mfd: Add support for AAEON UP board FPGA
mfd: da9052: Store result from fault_log
mfd: intel_soc_pmic_chtdc_ti: Fix invalid regmap-config max_register value
mfd: cs42l43: Use devres for remove as well
...
The help text has the wrong module name mentioned, and the capitalisation
of the title is inconsistent.
Fixes: 7e1449cd15 ("hwmon: (aspeed-g6-pwm-tacho): Support for ASPEED g6 PWM/Fan tach")
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20250110114737.64035-1-joel@jms.id.au
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
SMN access was bolted into amd_nb mostly as convenience. This has
limitations though that require incurring tech debt to keep it working.
Move SMN access to the newly introduced AMD Node driver.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> # pdx86
Acked-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> # PMF, PMC
Link: https://lore.kernel.org/r/20241206161210.163701-11-yazen.ghannam@amd.com
The MCU can be found on network-attached-storage devices made by QNAP
and provides access to fan control including reading back its RPM as
well as reading the temperature of the NAS case.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20241107114712.538976-8-heiko@sntech.de
Signed-off-by: Lee Jones <lee@kernel.org>
* New drivers
- ISL28022 power monitor
- Nuvoton NCT7363Y
* Added support for new chips to existing drivers
- The tmp180 driver now supports NXP p3t1085, including its I3C mode
- The ina2xx driver now supports SY24655 and INA260
- The amc6821 driver now supports tsd,mule
* Other notable improvements
- The sht4x driver now supports the chip heater
- The pmbus/isl68137 driver now supports a voltage divider on Vout
- The cros_ec driver registers with the thermal framework
- The pmbus/ltc2978 driver now supports LTC7841
- The PMBus core now allow drivers to override WRITE_PROTECT
* Various other minor improvements and cleanups
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Merge tag 'hwmon-for-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hmon updates from Guenter Roeck:
"New drivers:
- ISL28022 power monitor
- Nuvoton NCT7363Y
Added support for new chips to existing drivers:
- The tmp180 driver now supports NXP p3t1085, including its I3C mode
- The ina2xx driver now supports SY24655 and INA260
- The amc6821 driver now supports tsd,mule
Other notable improvements:
- The sht4x driver now supports the chip heater
- The pmbus/isl68137 driver now supports a voltage divider on Vout
- The cros_ec driver registers with the thermal framework
- The pmbus/ltc2978 driver now supports LTC7841
- The PMBus core now allow drivers to override WRITE_PROTECT
Various other minor improvements and cleanups"
* tag 'hwmon-for-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (51 commits)
hwmon: (pmbus/isl68137) add support for voltage divider on Vout
dt-bindings: hwmon: isl68137: add bindings to support voltage dividers
hwmon: tmp108: fix I3C dependency
hwmon: (cros_ec) register thermal sensors to thermal framework
hwmon: (tmp108) Add support for I3C device
hwmon: (tmp108) Add helper function tmp108_common_probe() to prepare I3C support
hwmon: (acpi_power_meter) Fix fail to load module on platform without _PMD method
hwmon: (nct6775-core) Fix overflows seen when writing limit attributes
hwmon: (pwm-fan) Introduce start from stopped state handling
dt-bindings: hwmon: pwm-fan: Document start from stopped state properties
hwmon: (tmp108) Add NXP p3t1085 support
dt-bindings: hwmon: ti,tmp108: Add nxp,p3t1085 compatible string
hwmon: (sch5627, max31827) Fix typos in driver documentation
hwmon: (jc42) Drop of_match_ptr() protection
hwmon: (f71882fg) Fix grammar in fan speed trip points explanation
dt-bindings: hwmon: pmbus: add ti tps25990 support
hwmon: (pmbus/core) clear faults after setting smbalert mask
hwmon: (pmbus/core) allow drivers to override WRITE_PROTECT
hwmon: (pmbus) add documentation for existing flags
hwmon: (ina226) Add support for SY24655
...
It's possible to build a kernel with tmp108 built-in but i3c support
in a loadable module, but that results in a link failure:
x86_64-linux-ld: drivers/hwmon/tmp108.o: in function `p3t1085_i3c_probe':
tmp108.c:(.text+0x5f9): undefined reference to `i3cdev_to_dev'
Add a Kconfig dependency to ensure only the working configurations
are allowed.
Fixes: c40655e331 ("hwmon: (tmp108) Add support for I3C device")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Message-ID: <20241113175615.2442851-1-arnd@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for I3C device in the tmp108 driver to handle the P3T1085
sensor. Register the I3C device driver to enable I3C functionality for the
sensor.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Message-ID: <20241112-p3t1085-v4-2-a1334314b1e6@nxp.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add compatible string 'nxp,p3t1085' since p3t1085's register layout is the
same as tmp108.
The p3t1085 supports I3C interface.
Update document tmp108.rst and Kconfig's help context.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Message-ID: <20241111-p3t1085-v3-2-bff511550aad@nxp.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
