* Updated chip support in existing drivers
- ina238: Support for INA228
- pmbus/tps53679: Support for TPS53685
- pmbus/adp1050: Support for adp1051, adp1055 and ltp8800
- corsair-psu: Support for HX1200i Series 2025
- pmbus/isl68137: Support for RAA229621
- asus-ec-sensors: Support for ProArt X870E-CREATOR WIFI and
* Other notable changes
- adt7475: Support for #pwm-cells = <3>
- amc6821: Cooling device support
- emc2305: Support for PWM frequency, polarity and output
- Add missing compatible entries to various devicetree bindings
* Various other minor fixes and improvements
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Merge tag 'hwmon-for-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"Updated chip support in existing drivers:
- ina238: Support for INA228
- pmbus/tps53679: Support for TPS53685
- pmbus/adp1050: Support for adp1051, adp1055 and ltp8800
- corsair-psu: Support for HX1200i Series 2025
- pmbus/isl68137: Support for RAA229621
- asus-ec-sensors: Support for ProArt X870E-CREATOR WIFI and
Other notable changes:
- adt7475: Support for #pwm-cells = <3>
- amc6821: Cooling device support
- emc2305: Support for PWM frequency, polarity and output
- Add missing compatible entries to various devicetree bindings
And various other minor fixes and improvements"
* tag 'hwmon-for-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (34 commits)
dt-bindings: hwmon: Replace bouncing Alexandru Tachici emails
hwmon: (ina238) Add support for INA228
dt-bindings: Add INA228 to ina2xx devicetree bindings
hwmon: (ina238) Fix inconsistent whitespace
dt-bindings: hwmon: adt7475: Allow and recommend #pwm-cells = <3>
hwmon: (adt7475) Implement support for #pwm-cells = <3>
hwmon: (pmbus/tps53679) Add support for TPS53685
dt-bindings: trivial: Add tps53685 support
hwmon: (pmbus/adp1050) Add regulator support for ltp8800
hwmon: (pmbus/adp1050) Add support for adp1051, adp1055 and ltp8800
dt-bindings: hwmon: pmbus/adp1050: Add adp1051, adp1055 and ltp8800
hwmon: (max31827) use sysfs_emit() in temp1_resolution_show()
hwmon: (ltc4282) convert from round_rate() to determine_rate()
hwmon: (corsair-psu) add support for HX1200i Series 2025
dt-bindings: hwmon: pmbus: ti,ucd90320: Add missing compatibles
dt-bindings: hwmon: maxim,max20730: Add maxim,max20710 compatible
dt-bindings: hwmon: lltc,ltc2978: Add lltc,ltc713 compatible
dt-bindings: hwmon: ti,lm87: Add adi,adm1024 compatible
dt-bindings: hwmon: national,lm90: Add missing Dallas max6654 and onsemi nct72, nct214, and nct218
hwmon: (w83627ehf) make the read-only arrays 'bit' static const
...
Apart from the usual mix of new drivers (pwm-argon-fan-hat), adding
support for variants to existing drivers, minor improvements to both
drivers and docs, device tree documenation updates, the noteworthy
changes are:
- A pull of pm-runtime-6.17-rc1 to make it possible to apply
a582469541 ("pwm: img: Remove redundant pm_runtime_mark_last_busy()
calls"). Note this updates the base for my tree to 6.16-rc2.
- A hwmon companion driver to pwm-mc33xs2410 living in drivers/hwmon
and acked by Guenter Roeck
- chardev support for PWM devices
This leverages atomic PWM updates to userspace and at the same time
simplifies and accelerates PWM configuration changes.
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Merge tag 'pwm/for-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm updates from Uwe Kleine-König:
"Apart from the usual mix of new drivers (pwm-argon-fan-hat), adding
support for variants to existing drivers, minor improvements to both
drivers and docs, device tree documenation updates, the noteworthy
changes are:
- A hwmon companion driver to pwm-mc33xs2410 living in drivers/hwmon
and acked by Guenter Roeck
- chardev support for PWM devices. This leverages atomic PWM updates
to userspace and at the same time simplifies and accelerates PWM
configuration changes"
* tag 'pwm/for-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux: (35 commits)
pwm: raspberrypi-poe: Fix spelling mistake "Firwmware" -> "Firmware"
hwmon: add support for MC33XS2410 hardware monitoring
pwm: mc33xs2410: add hwmon support
pwm: img: Remove redundant pm_runtime_mark_last_busy() calls
pwm: Expose PWM_WFHWSIZE in public header
dt-bindings: pwm: Convert lpc32xx-pwm.txt to yaml format
docs: pwm: Adapt Locking paragraph to reality
pwm: twl-led: Drop driver local locking
pwm: sun4i: Drop driver local locking
pwm: sti: Drop driver local locking
pwm: microchip-core: Drop driver local locking
pwm: lpc18xx-sct: Drop driver local locking
pwm: fsl-ftm: Drop driver local locking
pwm: clps711x: Drop driver local locking
pwm: atmel: Drop driver local locking
pwm: argon-fan-hat: Add Argon40 Fan HAT support
dt-bindings: pwm: argon40,fan-hat: Document Argon40 Fan HAT
dt-bindings: vendor-prefixes: Document Argon40
pwm: pwm-mediatek: Add support for PWM IP V3.0.2 in MT6991/MT8196
pwm: pwm-mediatek: Pass PWM_CK_26M_SEL from platform data
...
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>
The TPS53685 is a fully AMD SVI3 compliant step down controller with
trans-inductor voltage regulator(TLVR) topology support, dual channels,
built-in non-volatile memory (NVM), PMBus interface, and full compatible
with TI NexFET smart power stages.
Add support for it to the tps53679 driver.
Signed-off-by: Chiang Brian <chiang.brian@inventec.com>
Link: https://lore.kernel.org/r/20250619064223.3165523-3-chiang.brian@inventec.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Introduce hardware monitoring support for the following devices:
ADP1051: 6 PWM for I/O Voltage, I/O Current, Temperature
ADP1055: 6 PWM for I/O Voltage, I/O Current, Power, Temperature
LTP8800-1A/-2/-4A: 150A/135A/200A DC/DC µModule Regulator
The ADP1051 and ADP1055 are similar digital controllers for high
efficiency DC-DC power conversion while the LTP8800 is a family of
step-down μModule regulators that provides microprocessor core voltage
from 54V power distribution architecture. All of the above components
features telemetry monitoring of input/output voltage, input current,
output power, and temperature over PMBus.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Co-developed-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Signed-off-by: Cedric Encarnacion <cedricjustine.encarnacion@analog.com>
Link: https://lore.kernel.org/r/20250709-adp1051-v5-2-539254692252@analog.com
[groeck: Dropped unnecessaary spaces after type casts]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add the USB ID of the Corsair HXi Series 2025 HX1200i PSU (CP-9020307).
Update the documentation to mention this.
Signed-off-by: Shantanu Tushar <shantanu@kde.org>
Reviewed-by: Wilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/20250630201444.210420-1-shantanu@kde.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The hwmon sysfs interface specifies that energy values should be
reported in microjoules. This is also what tools such as lmsensors
expect, reporting wrong values otherwise.
Adjust the driver to scale the output accordingly and adjust ina238
driver documentation.
Fixes: 6daaf15a11 ("hwmon: (ina238) Add support for SQ52206")
Signed-off-by: Jonas Rebmann <jre@pengutronix.de>
Link: https://lore.kernel.org/r/20250715-hwmon-ina238-microjoules-v1-1-9df678568a41@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
- 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
...
To enable the power capping feature of the acpi_power_meter driver on
systems other than IBM products, you must explicitly specify
the force_cap_on module parameter.
Add information to the documentation about enabling the power capping
feature with this driver, including the above, to improve user convenience.
Signed-off-by: Shinji Nomoto <fj5851bi@fujitsu.com>
Link: https://lore.kernel.org/r/20250520062707.1657667-1-fj5851bi@fujitsu.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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>
Add support for the Monolithic Power Systems MPM3695 family.
It contains four devices with suffixes: -10, -20, -25 and -100.
The device is PMBus compliant and shares characteristics with the
MPM82504.
MPM3695-25 has different VOLTAGE_SCALE_LOOP register size [11:0]
and therefore needs to have a separate compatible entry.
Tested with device tree based matching (MPM3695-10).
Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Link: https://lore.kernel.org/r/20250511035701.2607947-6-paweldembicki@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for the Monolithic Power Systems MPM82504 digital voltage
regulator. MPM82504 uses PMBus direct format for voltage output.
Tested with device tree based matching.
Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Link: https://lore.kernel.org/r/20250511035701.2607947-5-paweldembicki@gmail.com
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>
Add hardware monitoring and regulator support for LT3074. The LT3074 is an
ultrafast, ultralow noise 3A, 5.5V dropout linear regulator. The PMBus
serial interface allows telemetry for input/output voltage, bias voltage,
output current, and die temperature.
Signed-off-by: Cedric Encarnacion <cedricjustine.encarnacion@analog.com>
Link: https://lore.kernel.org/r/20250421-upstream-lt3074-v3-2-71636322f9fe@analog.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>
ADPM12160 is a quarter brick DC/DC Power Module. It is a high power
non-isolated converter capable of delivering a fully regulated 12V,
with continuous power level of 1600W with peak power at 2400W for
a limited time. Uses PMBus Configuration.
Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Link: https://lore.kernel.org/r/20250407-dev_adpm12160-v3-2-9cd3095445c8@analog.com
[groeck: The chip is "ADPM12160"]
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>
Some Alienware laptops that support the SMM interface, may have up to 4
fans.
Tested on an Alienware x15 r1.
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250304055249.51940-2-kuurtb@gmail.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>
Add support for LTM4673. The LTM4673 is a quad output, dual 12A and dual
5A, switching mode DC/DC step-down μModule regulator integrated with
4-channel power system manager.
This adds only the chip id, the checks for the manufacturer special id,
and the relevant attributes for the device's pmbus_driver_info.
The device does not support clear peaks.
Signed-off-by: Cedric Encarnacion <cedricjustine.encarnacion@analog.com>
Link: https://lore.kernel.org/r/20250124-ltm4673-v1-2-a2c6aa37c903@analog.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
...
A number of network PHY drivers use the following code:
name = devm_hwmon_sanitize_name(dev, dev_name(dev));
if (IS_ERR(name))
return PTR_ERR(name);
devm_hwmon_device_register_with_info(dev, name, ..);
Make this a generic fallback option and use the device name if no name
is provided to devm_hwmon_device_register_with_info(). This would allow
to simplify the affected drivers.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/1ebe6961-6445-4408-bfb4-b56173af9db5@gmail.com
[groeck: Update API document]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The MAX15303 is a full-featured, flexible, efficient, 6A digital
point-of-load (PoL) controller with integrated switching MOSFETs. It
contains advanced power management and telemetry features.
Tested-by: Robin Getz <rgetz503@gmail.com>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20250108-dev-max15303-v1-1-9154eb2c9d9e@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The new customer ID was found on a MPG X870E CARBON WIFI (MS-7E49) with
a NCT6687D chip.
Signed-off-by: John Audia <therealgraysky@proton.me>
[groeck: Resolved conflicts in Documentation/hwmon/nct6683.rst]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add this LM75 compatible sensor which needs a separate entry because of
its default sampling time and SMBusAlert handling.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20241218074131.4351-7-wsa+renesas@sang-engineering.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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>
This value was found on an ASRock B650 Steel Legend WiFi with an
NCT6686D chip.
Signed-off-by: Max Ammann <max@maxammann.org>
Link: https://lore.kernel.org/r/20241214102201.122851-1-max@maxammann.org
[groeck: htmldocs fix]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add initial support for the Texas Instruments TPS25990 eFuse.
This adds the basic PMBUS telemetry support for the device.
From Karol Przybylski:
The tps25990_read_word_data function contains a block of unreachable code
caused by the syntactic structure in the PMBUS_VIRT_READ_IIN_MAX case.
Specifically, the return TPS25990_READ_IIN_PEAK; statement immediately
exits the function, making the next lines unreachable.
This patch removes the return statement, leaving the expected handling.
Discovered in coverity: CID 1602227
Tested-by: Vaishnav Achath <vaishnav.a@ti.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
[groeck: Adjust to MODULE_IMPORT_NS API change]
[karprzy7@gmail.com: Fix unreachable code in tps25990_read_word_data]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add a module parameter to force the write protection mode of pmbus chips.
4 protections modes are provided to start with:
* 0: Remove the write protection
* 1: Disable all writes except to the WRITE_PROTECT, OPERATION,
PAGE, ON_OFF_CONFIG and VOUT_COMMAND commands
* 2: Disable all writes except to the WRITE_PROTECT, OPERATION and
PAGE commands
* 3: Disable all writes except to the WRITE_PROTECT command
Of course, if the parameter is not provided, the default write protection
status of the pmbus chips is left untouched.
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Writing PMBus protected registers does succeed from the smbus perspective,
even if the write is ignored by the device and a communication fault is
raised. This fault will silently be caught and cleared by pmbus irq if one
has been registered.
This means that the regulator call may return succeed although the
operation was ignored.
With this change, the operation which are not supported will be properly
flagged as such and the regulator framework won't even try to execute them.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
[groeck: Adjust to EXPORT_SYMBOL_NS_GPL API change]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
During the upstreaming process, the driver has been extended to report
the shunt voltage as well. Document that.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.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>
Fix some typos in hwmon/sch5627 and hwmon/max31827 reported by
checkpatch.pl. These changes are purely documentation cleanup with no
functional modifications.
Signed-off-by: Abhinav Saxena <xandfury@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Message-ID: <20241108212201.144482-1-xandfury@gmail.com>
[groeck: Updated subject]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
