Remove outdated mention of the supported mmotherboard families and add a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>
SY24655: Support for current and voltage detection as well as
power calculation.
Signed-off-by: Wenliang Yan <wenliang202407@163.com>
Message-ID: <20241106150547.2538-1-wenliang202407@163.com>
[groeck: Changed order of compatible entries;
dropped spurious extra return statement in is_visible();
fixed code problems]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The NCT7363Y is a fan controller which provides up to 16
independent FAN input monitors. It can report each FAN input count
values. The NCT7363Y also provides up to 16 independent PWM
outputs. Each PWM can output specific PWM signal by manual mode to
control the FAN duty outside.
Signed-off-by: Ban Feng <kcfeng0@nuvoton.com>
Message-ID: <20241022052905.4062682-3-kcfeng0@nuvoton.com>
[groeck: Dropped unnecessary variable initialization, and , after { }]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Driver for Renesas ISL28022 power monitor with I2C interface.
The device monitors voltage, current via shunt resistor
and calculated power.
Signed-off-by: Carsten Spieß <mail@carsten-spiess.de>
Signed-off-by: Yikai Tsai <yikai.tsai.wiwynn@gmail.com>
Message-ID: <20241002081133.13123-3-yikai.tsai.wiwynn@gmail.com>
[groeck: Fixed alignment issues, dropped noise at end of probe]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
INA260 is similar to other chips of the series, except it has an internal
shunt resistor. The calibration register is therefore not present. Also,
the current register address was changed, though that does not matter for
the driver since the shunt voltage register (which is now the current
register) value is already used to read the current.
Cc: Loic Guegan <loic.guegan@mailbox.org>
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The embedded controller code is mainly used on x86 laptops and cannot
work without PC style I/O port access.
Make this a user-visible configuration option that is default enabled
on x86 but otherwise disabled, and that can never be enabled unless
CONFIG_HAS_IOPORT is also available.
The empty stubs in internal.h help ignore the EC code in configurations
that don't support it. In order to see those stubs, the sbshc code also
has to include this header and drop duplicate declarations.
All the direct callers of ec_read/ec_write already had an x86
dependency and now also need to depend on APCI_EC.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patch.msgid.link/20241011061948.3211423-1-arnd@kernel.org
[ rjw: Subject edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This driver requires REGMAP_I2C to be selected in order to get access to
regmap_config, regmap_bus, and devm_regmap_init_i2c.
Add the missing dependency.
Fixes: 021730acbc ("hwmon: (max1668) Convert to use regmap")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Message-ID: <20241002-hwmon-select-regmap-v1-4-548d03268934@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This driver requires REGMAP_I2C to be selected in order to get access to
regmap_config and devm_regmap_init_i2c. Add the missing dependency.
Fixes: 2b9ea4262a ("hwmon: Add driver for ltc2991")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Message-ID: <20241002-hwmon-select-regmap-v1-3-548d03268934@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This driver requires REGMAP_I2C to be selected in order to get access to
regmap_config and devm_regmap_init_i2c. Add the missing dependency.
Fixes: ef67959c42 ("hwmon: (adt7470) Convert to use regmap")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Message-ID: <20241002-hwmon-select-regmap-v1-2-548d03268934@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This driver requires REGMAP_I2C to be selected in order to get access to
regmap_config and devm_regmap_init_i2c. Add the missing dependency.
Fixes: df885d912f ("hwmon: (adm9240) Convert to regmap")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Message-ID: <20241002-hwmon-select-regmap-v1-1-548d03268934@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This driver requires REGMAP_I2C to be selected in order to get access to
regmap_config and devm_regmap_init_i2c. Add the missing dependency.
Fixes: 07830d9ab3 ("hwmon: add initial NXP MC34VR500 PMIC monitoring support")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Message-ID: <20241002-mc34vr500-select-regmap_i2c-v1-1-a01875d0a2e5@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
0-day reports:
drivers/hwmon/tmp513.c:162:21: error:
variable 'tmp51x_regmap_config' has initializer but incomplete type
162 | static const struct regmap_config tmp51x_regmap_config = {
| ^
struct regmap_config is only available if REGMAP is enabled.
Add the missing Kconfig dependency to fix the problem.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202410020246.2cTDDx0X-lkp@intel.com/
Fixes: 59dfa75e5d ("hwmon: Add driver for Texas Instruments TMP512/513 sensor chips.")
Cc: Eric Tremblay <etremblay@distech-controls.com>
Reviewed-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
SG2042 use an external MCU to provide basic hardware information
and thermal sensors.
Add driver support for the onboard MCU of SG2042.
Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
Message-ID: <IA1PR20MB49536C786048D1E676BB9C20BB822@IA1PR20MB4953.namprd20.prod.outlook.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Some of the newer Microsoft Surface devices (such as the Surface Book
3 and Pro 9) have thermal sensors connected via the Surface Aggregator
Module (the embedded controller on those devices). Add a basic driver
to read out the temperature values of those sensors.
The EC can have up to 16 thermal sensors connected via a single
sub-device, each providing temperature readings and a label string.
Link: https://github.com/linux-surface/surface-aggregator-module/issues/59
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Co-developed-by: Ivor Wanders <ivor@iwanders.net>
Signed-off-by: Ivor Wanders <ivor@iwanders.net>
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Message-ID: <20240811001503.753728-1-luzmaximilian@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Update datasheet references. Replace misleading 'force parameter needed'
with 'must be instantiated explicitly'. Explain the reason for the missing
auto-detection. Mention all supported chips in Kconfig.
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use regmap for local caching and for multi-byte operations to be able
to use regmap API functions and to reduce the need for locking in the
driver.
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use regmap to replace local caching and to be able to use regmap API
functions.
No functional change.
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
* Obsolete driver removals
- Removed obsolete adm1021 and max6642 drivers
* New drivers
- MPS MP2891
- MPS MP2993
- MPS MP9941
- MPS MP5920
- SPD5118 (Temperature Sensor and EEPROM)
* Added device support to existing drivers
- g762: G761
- dell-smm: Dell OptiPlex 7060
- asus-ec-sensors: ProArt X670E-CREATOR WIFI
- corsair-psu: HX1200i Series 2023 psu
- nzxt-smart2: Additional USB IS for NZXT RGB & Fan Controller
* Notable enhancements and fixes
- Removed use of i2c_match_id()
- Constified struct regmap_config where feasible
- Cleaned up amc6821 driver, and converted to use regmap and with_info API
- Converted max6639 driver to use with_info API; added support for
additional sysfs attributes
- Fixed various sysfs attribute underflows
- Added PEC support to hwmon core, and use in lm90 and max31827 drivers
* Various other minor fixes and improvements
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Merge tag 'hwmon-for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"Obsolete driver removals:
- Removed obsolete adm1021 and max6642 drivers
New drivers:
- MPS MP2891, MP2993, MP9941, and MP5920
- SPD5118 (Temperature Sensor and EEPROM)
Added device support to existing drivers:
- g762: G761
- dell-smm: Dell OptiPlex 7060
- asus-ec-sensors: ProArt X670E-CREATOR WIFI
- corsair-psu: HX1200i Series 2023 psu
- nzxt-smart2: Additional USB IS for NZXT RGB & Fan Controller
Notable enhancements and fixes:
- Removed use of i2c_match_id()
- Constified struct regmap_config where feasible
- Cleaned up amc6821 driver, and converted to use regmap and
with_info API
- Converted max6639 driver to use with_info API; added support for
additional sysfs attributes
- Fixed various sysfs attribute underflows
- Added PEC support to hwmon core, and use in lm90 and max31827
drivers
And various other minor fixes and improvements"
* tag 'hwmon-for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (103 commits)
hwmon: (max6697) Fix swapped temp{1,8} critical alarms
hwmon: (max6697) Fix underflow when writing limit attributes
hwmon: Remove obsolete adm1021 and max6642 drivers
hwmon: (pmbus/ltc4286) Drop unused i2c device ids
hwmon: (g762) Initialize fans after configuring clock
hwmon: (amc6821) Add support for pwm1_mode attribute
hwmon: (amc6821) Convert to with_info API
hwmon: (amc6821) Convert to use regmap
hwmon: (amc6821) Drop unnecessary enum chips
hwmon: (amc6821) Use BIT() and GENMASK()
hwmon: (amc6821) Use tabs for column alignment in defines
hwmon: (amc6821) Reorder include files, drop unnecessary ones
hwmon: (amc6821) Add support for fan1_target and pwm1_enable mode 4
hwmon: (amc6821) Rename fan1_div to fan1_pulses
hwmon: (amc6821) Make reading and writing fan speed limits consistent
hwmon: (amc6821) Stop accepting invalid pwm values
hwmon: (w83627ehf) Fix underflows seen when writing limit attributes
hwmon: (nct6775-core) Fix underflows seen when writing limit attributes
hwmon: (lm95234) Fix underflows seen when writing limit attributes
hwmon: (adc128d818) Fix underflows seen when writing limit attributes
...
ADM1021, MAX6642, and compatible chips are supported by the lm90 driver.
Remove the obsolete stand-alone drivers to reduce maintenance overhead.
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use regmap for register accesses and caching.
While at it, use sysfs_emit() instead of sprintf() to write sysfs
attribute data, and remove spurious debug messages which would only
be seen as result of a bug in the code. Also make sure that error
codes are propagated and not replaced with -EIO.
While at it, introduce rounding of written temperature values and for
internal calculations to reduce deviation from written values and as
much as possible.
No functional change intended except for differences introduced by
rounding.
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
With SPD5118 chip detection for the most part handled by the i2c-smbus
core using DMI information, the spd5118 driver no longer needs to
auto-detect spd5118 compliant chips.
Auto-detection by the driver is still needed on systems with no DMI support
or on systems with more than eight DIMMs and can not be removed entirely.
However, it affects boot time and introduces the risk of mis-identifying
chips. Add configuration option to be able to disable it on systems where
chip detection is handled outside the driver.
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Tested-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for SPD5118 (Jedec JESD300) compliant temperature
sensors. Such sensors are typically found on DDR5 memory modules.
Cc: René Rebe <rene@exactcode.de>
Cc: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Tested-by: Thomas Weißschuh <linux@weissschuh.net>
Tested-by: Stephen Horvath <s.horvath@outlook.com.au>
Tested-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The ChromeOS Embedded Controller exposes fan speed and temperature
readings.
Expose this data through the hwmon subsystem.
The driver is designed to be probed via the cros_ec mfd device.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240529-cros_ec-hwmon-v4-2-5cdf0c5db50a@weissschuh.net
[tzungbi: Fixed typo in MAINTAINERS: "chros_ec_hwmon" -> "cros_ec_hwmon"]
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
This addition adds in the ability for the system to scan
the EC chip in the Lenovo ThinkStation systems to get the
current fan RPM speeds the Maximum speed value for each
fan also provides the CPU, DIMM other thermal statuses
Signed-off-by: David Ober <dober6023@gmail.com>
Link: https://lore.kernel.org/r/20240328121250.331146-1-dober6023@gmail.com
[groeck: Dropped pointless case statements]
[Colin King: Fixed spelling error accesssible -> accessible]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Convert the module to be property provider agnostic and allow
it to be used on non-OF platforms.
Add mod_devicetable.h include.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240404191323.3547465-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
In a future patch HAS_IOPORT=n will disable inb()/outb() and friends at
compile time. We thus need to add HAS_IOPORT as dependency for those
drivers using them.
Acked-by: Guenter Roeck <linux@roeck-us.net>
Co-developed-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Link: https://lore.kernel.org/r/20240404124700.3807842-2-schnelle@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The driver support two functions: PWM and Tachometer. The PWM feature can
handle up to 16 output ports, while the Tachometer can monitor to up to 16
input ports as well. This driver implements them by exposing two kernel
subsystems: PWM and HWMON. The PWM subsystem can be utilized alongside
existing drivers for controlling elements such as fans (pwm-fan.c),
beepers (pwm-beeper.c) and so on. Through the HWMON subsystem, the driver
provides sysfs interfaces for fan.
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20240221104025.1306227-4-billy_tsai@aspeedtech.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This driver exposes hardware sensors of the ASUS ROG RYUJIN II 360
all-in-one CPU liquid cooler, which communicates through a proprietary
USB HID protocol. Report offsets were initially discovered in [1] by
Florian Freudiger.
Available sensors are pump, internal and external
(controller) fan speed in RPM, their duties in PWM, as well as
coolant temperature.
Attaching external fans to the controller is optional and allows them
to be controlled from the device. If not connected, the fan-related
sensors will report zeroes. The controller is a separate hardware unit
that comes bundled with the AIO and connects to it to allow fan control.
The addressable LCD screen is not supported in this
driver and should be controlled through userspace tools.
[1]: https://github.com/liquidctl/liquidctl/pull/653
Tested-by: Florian Freudiger <florian.freudiger@proton.me>
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20240108094453.22986-1-savicaleksa83@gmail.com
[groeck: Add HID dependency]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This driver enables hardware monitoring support for NZXT Kraken
X53/X63/X73 and Z53/Z63/Z73 all-in-one CPU liquid coolers.
All models expose liquid temperature and pump speed (in RPM), as well as
PWM control (natively only through a temp-PWM curve, but the driver also
emulates fixed PWM control on top of that). The Z-series models
additionally expose the speed and duty of an optionally connected fan,
with the same PWM control capabilities.
Pump and fan duty control mode can be set through pwm[1-2]_enable,
where 1 is for the manual control mode and 2 is for the liquid temp
to PWM curve mode. Writing a 0 disables control of the channel through
the driver after setting its duty to 100%. As it is not possible to query
the device for the active mode, the driver keeps track of it.
The temperature of the curves relates to the fixed [20-59] C range, per
device limitations, and correlating to the detected liquid temperature.
Only PWM values (ranging from 0-255) can be set.
The addressable RGB LEDs and LCD screen, included only on Z-series models,
are not supported in this driver.
Co-developed-by: Jonas Malaco <jonas@protocubo.io>
Signed-off-by: Jonas Malaco <jonas@protocubo.io>
Co-developed-by: Yury Zhuravlev <stalkerg@gmail.com>
Signed-off-by: Yury Zhuravlev <stalkerg@gmail.com>
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20240129111932.368232-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The Amphenol ChipCap 2 is a capacitive polymer humidity and temperature
sensor with an integrated EEPROM and minimum/maximum humidity alarms.
All device variants offer an I2C interface and depending on the part
number, two different output modes:
- CC2D: digital output
- CC2A: analog (PDM) output
This driver adds support for the digital variant (CC2D part numbers),
which includes the following part numbers:
- non-sleep measurement mode (CC2D23, CC2D25, CC2D33, CC2D35)
- sleep measurement mode (CC2D23S, CC2D25S, CC2D33S, CC2D35S)
The Chipcap 2 EEPROM can be accessed to configure a series of parameters
like the minimum/maximum humidity alarm threshold and hysteresis. The
EEPROM is only accessible in the command window after a power-on reset.
The default window lasts 10 ms if no Start_CM command is sent. After the
command window is finished (either after the mentioned timeout of after
a Start_NOM command is sent), the device enters the normal operation
mode and makes a first measurement automatically.
Unfortunately, the device does not provide any hardware or software
reset and therefore the driver must trigger power cycles to enter the
command mode. A dedicated, external regulator is required for that.
This driver keeps the device off until a measurement or access to the
EEPROM is required, making use of the first automatic measurement to
avoid different code paths for sleep and non-sleep devices.
The minimum and maximum humidity alarms are configured with two
registers per alarm: one stores the alarm threshold and the other one
keeps the value that turns off the alarm. The alarm signals are only
updated when a measurement is carried out.
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240130-topic-chipcap2-v6-5-260bea05cf9b@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Adds a driver that provides read only access to the fan speed for Microsoft
Surface Pro devices. The fan speed is always regulated by the EC and cannot
be influenced directly.
Signed-off-by: Ivor Wanders <ivor@iwanders.net>
Link: https://github.com/linux-surface/kernel/pull/144
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20240131005856.10180-2-ivor@iwanders.net
[groeck:
- Declare surface_fan_hwmon_is_visible() static
- Add dependency on SURFACE_AGGREGATOR_BUS
]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The LTC4282 hot swap controller allows a board to be safely inserted and
removed from a live backplane. Using one or more external N-channel pass
transistors, board supply voltage and inrush current are ramped up at an
adjustable rate. An I2C interface and onboard ADC allows for monitoring
of board current, voltage, power, energy and fault status.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240129-b4-ltc4282-support-v4-3-fe75798164cc@analog.com
[groeck: clamp value range in ltc4282_write_voltage_byte_cached()]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This driver exposes hardware sensors of the Gigabyte AORUS Waterforce
all-in-one CPU liquid coolers, which communicate through a proprietary
USB HID protocol. Report offsets were initially discovered in [1] and
confirmed by me on a Waterforce X240 by observing the sent reports from
the official software.
Available sensors are pump and fan speed in RPM, as well as coolant
temperature. Also available through debugfs is the firmware version.
Attaching a fan is optional and allows it to be controlled from the
device. If it's not connected, the fan-related sensors will report
zeroes.
The addressable RGB LEDs and LCD screen are not supported in this
driver and should be controlled through userspace tools.
[1]: https://github.com/liquidctl/liquidctl/issues/167
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20231207122402.107032-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Some Dell machines like the Dell Optiplex 7000 do not support
the legacy SMM interface, but instead expect all SMM calls
to be issued over a special WMI interface.
Add support for this interface so users can control the fans
on those machines.
Tested-by: <serverror@serverror.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20231123004820.50635-8-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for LTC2991 Octal I2C Voltage, Current, and Temperature
Monitor.
The LTC2991 is used to monitor system temperatures, voltages and
currents. Through the I2C serial interface, the eight monitors can
individually measure supply voltages and can be paired for
differential measurements of current sense resistors or temperature
sensing transistors. Additional measurements include internal
temperature and internal VCC.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20231026103413.27800-2-antoniu.miclaus@analog.com
[groeck: Fixed up documentation warning]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The two drivers compile fine on arm64, powerpc, m68k and s390. So make
it possible to enable the drivers in the presence of COMPILE_TEST.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230918085951.1234172-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Accessing virtual registers is very inefficient, so pwm map values
should be cached when possible, else userspace could effectively do
a DOS attack by reading pwm map values in a while loop.
Use the regmap cache to cache those values.
Tested on a Fujitsu Esprimo P720.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230907052639.16491-4-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
POWER-Z is a series of devices to monitor power characteristics of
USB-C connections and display those on a on-device display.
Some of the devices, notably KM002C and KM003C, contain an additional
port which exposes the measurements via USB.
This is a driver for this monitor port.
It was developed and tested with the KM003C.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20230902-powerz-v4-1-7ec2c1440687@weissschuh.net
[groeck:
Release urb after hwmon registration error;
Move priv->status initialization to correct place before reinit_completion
]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add base support for Renesas HS3001 temperature
and humidity sensors and its compatibles HS3002,
HS3003 and HS3004.
The sensor has a fix I2C address 0x44. The resolution
is fixed to 14bit (ref. Missing feature).
Missing feature:
- Accessing non-volatile memory: Custom board has no
possibility to control voltage supply of sensor. Thus,
we cannot send the necessary control commands within
the first 10ms after power-on.
Signed-off-by: Andre Werner <andre.werner@systec-electronic.com>
Link: https://lore.kernel.org/r/20230725042207.22310-2-andre.werner@systec-electronic.com
[groeck: Cosmetic documentation fixup; added documentation to index;
replaced probe_new with probe dropped unused variable]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
SMM665 and related chips are power controller/sequencer chips from
Summit Microelectronics. The company was acquired by Qualcomm in 2012,
and support for the chip series stopped.
The chips are long since gone from active use, making the driver
unsupportable and just consuming space and compile time. Remove it.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Hewlett-Packard (and some HP Compaq) business-class computers report
hardware monitoring information via WMI. This driver exposes that
information to hwmon.
Initial support is provided for temperature, fan speed, and intrusion
sensor types. Provisional support is provided for voltage and current
sensor types.
HP's WMI implementation permits many other types of numeric sensors.
Therefore, a debugfs interface is also provided to enumerate and
inspect all numeric sensors visible on the WMI side. This should
facilitate adding support for other sensor types in the future.
Tested on a HP Z420, a HP EliteOne 800 G1, and a HP Compaq Elite 8300
SFF.
Note that provisionally supported sensor types are untested and seem
to be rare-to-nonexistent in the wild, having been encountered
neither on test systems nor in ACPI dumps from the Linux Hardware
Database. They are included because their popularity in general makes
their presence on past or future HP systems plausible and because no
doubt exists as to how the sensors themselves would be represented in
WMI (alarm attributes will need to wait for hardware to be located).
A 2005 HP whitepaper gives the relevant sensor object MOF definition
and sensor value scaling calculation, and both this driver and the
official HP Performance Advisor utility comply with them (confirmed
in the latter case by reverse engineering).
Link: https://h20331.www2.hp.com/hpsub/downloads/cmi_whitepaper.pdf
Signed-off-by: James Seo <james@equiv.tech>
Link: https://lore.kernel.org/r/20230522115645.509701-1-james@equiv.tech
[groeck: Set error return value for intrusion writes to -EINVAL.
Always accept writes of 0 even if there was no intrusion. ]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
MAX31827 is a low-power temperature switch with I2C interface.
The device is a ±1°C accuracy from -40°C to +125°C
(12 bits) local temperature switch and sensor with I2C/SM-
Bus interface. The combination of small 6-bump wafer-lev-
el package (WLP) and high accuracy makes this temper-
ature sensor/switch ideal for a wide range of applications.
Signed-off-by: Daniel Matyas <daniel.matyas@analog.com>
Link: https://lore.kernel.org/r/20230524160131.14081-2-daniel.matyas@analog.com
[groeck: Improved define alignment, return -EINVAL after bad user input,
fixed up compatible statement]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for compatible AHT20 temperature/humidity sensor. The only
difference between the two is that AHT20 has additional crc8 byte.
It seems like AHT15 is also supported by the driver but it wasn't
verified and tested yet.
Tested on Beaglebone black rev C.
Signed-off-by: Kirill Yatsenko <kiriyatsenko@gmail.com>
Link: https://lore.kernel.org/r/20230524201912.815993-1-kiriyatsenko@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add driver for the StarFive JH71x0 temperature sensor. You
can enable/disable it and read temperature in milli Celcius
through sysfs.
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Co-developed-by: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
Link: https://lore.kernel.org/r/20230321022644.107027-3-hal.feng@starfivetech.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
- Change MFD support status from Supported to Maintained
- New Drivers
- Add support for the Intel Platform Management Component Interface (PMCI)
- Remove Drivers
- HTC PASIC3 LED/DS1WM
- Toshiba T7L66XB, TC6387XB and TC6393XB TMIO
- New Device Support
- Add support for N6000 Flash to Intel M10 BMC PMCI
- Add support for Lenovo Yoga Tab 3 to Intel CHTWC PMIC
- New Functionality
- Provide Reset support to Syscon
- Fix-ups
- Explicitly provide missing include files
- Pass platform type data/info via the SPI/I2C/DT registration strategy
- Lots of DT documentation / adaptions
- Replace scnprintf() with preferred sysfs_emit()
- Remove unused / superfluous code
- Fix some trivial whitesspace / spelling / grammatical issues
- Replace pm_power_off with new and improved register_sys_off_handler() API
- Bug Fixes
- Reintroduce RK808-clkout registration - fixing Wi-Fi and Bluetooth
- Repair the order of AXPxxx IRQ PEK RISE/FALL definitions
- Refuse to build CS5535 on unsupported UML architectures
- Fix memory leaks in error return paths
- Prevent refcount leaks in error return paths
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Merge tag 'mfd-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Framework:
- Change MFD support status from Supported to Maintained
New Drivers:
- Add support for the Intel Platform Management Component Interface
(PMCI)
Removed Drivers:
- HTC PASIC3 LED/DS1WM
- Toshiba T7L66XB, TC6387XB and TC6393XB TMIO
New Device Support:
- Add support for N6000 Flash to Intel M10 BMC PMCI
- Add support for Lenovo Yoga Tab 3 to Intel CHTWC PMIC
New Functionality:
- Provide Reset support to Syscon
Fix-ups:
- Explicitly provide missing include files
- Pass platform type data/info via the SPI/I2C/DT registration
strategy
- Lots of DT documentation / adaptions
- Replace scnprintf() with preferred sysfs_emit()
- Remove unused / superfluous code
- Fix some trivial whitesspace / spelling / grammatical issues
- Replace pm_power_off with new and improved
register_sys_off_handler() API
Bug Fixes:
- Reintroduce RK808-clkout registration - fixing Wi-Fi and Bluetooth
- Repair the order of AXPxxx IRQ PEK RISE/FALL definitions
- Refuse to build CS5535 on unsupported UML architectures
- Fix memory leaks in error return paths
- Prevent refcount leaks in error return paths"
* tag 'mfd-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (40 commits)
dt-bindings: mfd: qcom,tcsr: Add compatible for IPQ5332
dt-bindings: mfd: Add NXP BBNSM
mfd: ntxec: Add version number for EC in Tolino Vision
dt-bindings: mfd: syscon: Add mt8365-syscfg
mfd: Remove toshiba tmio drivers
mfd: arizona: Use pm_runtime_resume_and_get() to prevent refcnt leak
mfd: syscon: Allow reset control for syscon devices
dt-bindings: mfd/syscon: Add resets property
dt-bindings: mfd: syscon: Add amd,pensando-elba-syscon compatible
dt-bindings: mfd: qcom,tcsr: Add compatible for MSM8226
mfd: simple-mfd-i2c: Fix incoherent comment regarding DT registration
mfd: axp20x: Switch to the sys-off handler API
mfd: core: Spelling s/compement/complement/
mfd: max8925: Remove the unused function irq_to_max8925()
mfd: qcom-pm8xxx: Remove set but unused variable 'rev'
dt-bindings: mfd: syscon: Document GXP register compatible
mfd: twl4030-power: Drop empty platform remove function
mfd: twl: Fix TWL6032 phy vbus detection
mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()
MAINTAINERS: Move MFD from a Supported to Maintaied state
...
- New drivers
* Infineon TDA38640 Voltage Regulator
* NXP MC34VR500 PMIC
* GXP fan controller
* MPQ7932 Power Management IC
- New chip or board support added to existing drivers
* it87: IT87952E; also other cleanup/improvements
* intel-m10-bmc-hwmon: N6000
* pmbus/max16601: MAX16600
* aquacomputer_d5next: Aquacomputer Aquastream Ultimate, Aquacomputer Poweradjust 3,
Aquacomputer Aquaero
* nct6775: Support for B650/B660/X670 ASUS boards
* oxp-sensors: AYANEO AIR and AIR Pro
- Other notable changes
* Various kernel documentation fixes
* Various devicetree bindings fixes
* Explicitly deprecated [devm_]hwmon_device_register_with_groups
* ftsteutates: Support for fanX_fault and other cleanup
* ltc2945: Support for setting shunt resistor and other cleanup/fixes
* coretemp: Avoid RDMSR interrupts to isolated CPUs,
and simplify platform device handling
- Vaious other minoc cleanups and fixes
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Merge tag 'hwmon-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Infineon TDA38640 Voltage Regulator
- NXP MC34VR500 PMIC
- GXP fan controller
- MPQ7932 Power Management IC
New chip or board support added to existing drivers:
- it87: IT87952E; also other cleanup/improvements
- intel-m10-bmc-hwmon: N6000
- pmbus/max16601: MAX16600
- aquacomputer_d5next: Aquacomputer Aquastream Ultimate, Aquacomputer
Poweradjust 3, Aquacomputer Aquaero
- nct6775: Support for B650/B660/X670 ASUS boards
- oxp-sensors: AYANEO AIR and AIR Pro
Other notable changes:
- Various kernel documentation fixes
- Various devicetree bindings fixes
- Explicitly deprecated [devm_]hwmon_device_register_with_groups
- ftsteutates: Support for fanX_fault and other cleanup
- ltc2945: Support for setting shunt resistor and other cleanup/fixes
- coretemp: Avoid RDMSR interrupts to isolated CPUs, and simplify
platform device handling
... and various other minor cleanups and fixes"
* tag 'hwmon-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (66 commits)
hwmon: Deprecate [devm_]hwmon_device_register_with_groups
hwmon: (mlxreg-fan) Return zero speed for broken fan
hwmon: (gxp-fan-ctrl) use devm_platform_get_and_ioremap_resource()
hwmon: (aquacomputer_d5next) Add support for Aquacomputer Aquastream Ultimate
hwmon: (aquacomputer_d5next) Add support for Aquacomputer Poweradjust 3
hwmon: (iio_hwmon) use dev_err_probe
hwmon: intel-m10-bmc-hwmon: Add N6000 sensors
Docs/hwmon/index: Add missing SPDX License Identifier
hwmon: (it87) Updated documentation for recent updates to it87
hwmon: (it87) Add new chipset IT87952E
hwmon: (it87) Allow multiple chip IDs for force_id
hwmon: (it87) Add chip_id in some info message
hwmon: (it87) List full chip model name
hwmon: (it87) Disable configuration exit for certain chips
hwmon: (it87) Allow disabling exiting of configuration mode
Documentation: hwmon: correct spelling
hwmon: (pmbus/max16601) Add support for MAX16600
hwmon: (ltc2945) Allow setting shunt resistor
hwmon: (ltc2945) Handle error case in ltc2945_value_store
hwmon: (ltc2945) Add devicetree match table
...
New ASUS B650/B660/X670 boards firmware have not exposed WMI monitoring
GUID and entrypoint method WMBD could be implemented for different device
UID.
Implement the direct call to entrypoint method for monitoring the device
UID of B550/X570 boards.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204807
Signed-off-by: Denis Pauk <pauk.denis@gmail.com>
Co-developed-by: Ahmad Khalifa <ahmad@khalifa.ws>
Signed-off-by: Ahmad Khalifa <ahmad@khalifa.ws>
Link: https://lore.kernel.org/r/20230111212241.7456-1-pauk.denis@gmail.com
[groeck: Fix multi-line formatting]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The GXP SoC can support up to 16 fans through the interface provided by
the CPLD. The current support is limited to 8 fans. The fans speeds are
controlled via 8 different PWMs which can vary in value from 0-255. The
fans are also capable of reporting if they have failed to the CPLD which
in turn reports the status to the GXP SoC.
Signed-off-by: Nick Hawkins <nick.hawkins@hpe.com>
Link: https://lore.kernel.org/r/20230103203654.59322-2-nick.hawkins@hpe.com
[groeck: Improved alignment of defined, added missing include linux/bits.h]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Split the common code from intel-m10-bmc driver into intel-m10-bmc-core
and move the SPI bus parts into an interface specific file.
intel-m10-bmc-core becomes the core MFD functions which can support
multiple bus interface like SPI bus.
Co-developed-by: Tianfei zhang <tianfei.zhang@intel.com>
Signed-off-by: Tianfei zhang <tianfei.zhang@intel.com>
Reviewed-by: Russ Weight <russell.h.weight@intel.com>
Acked-by: Guenter Roeck <linux@roeck-us.net> # hwmon
Reviewed-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230116100845.6153-5-ilpo.jarvinen@linux.intel.com
The s3c adc driver was removed along with the s3c24xx platform, so the
hwmon driver is orphaned and can be removed.
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Sensors driver for OXP Handhelds from One-Netbook that expose fan reading
and control via hwmon sysfs.
As far as I could gather all OXP boards have the same DMI strings and
they can be told appart only by the boot cpu vendor (Intel/AMD).
Currently only AMD boards are supported since Intel have different EC
registers and values to read/write.
Fan control is provided via pwm interface in the range [0-255]. AMD
boards have [0-100] as range in the EC, the written value is scaled to
accommodate for that.
Signed-off-by: Joaquín Ignacio Aramendía <samsagax@gmail.com>
Link: https://lore.kernel.org/r/20221104140659.593608-1-samsagax@gmail.com
[groeck: Removed misleading comment about module_platform_driver()]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Switch the jc42 driver to use an I2C regmap to access the registers.
Also move over to regmap's built-in caching instead of adding a
custom caching implementation. This works for JC42_REG_TEMP_UPPER,
JC42_REG_TEMP_LOWER and JC42_REG_TEMP_CRITICAL as these values never
change except when explicitly written. The cache For JC42_REG_TEMP is
dropped (regmap can't cache it because it's volatile, meaning it can
change at any time) as well for simplicity and consistency with other
drivers.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20221023213157.11078-2-martin.blumenstingl@googlemail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit adds support for Ampere SMpro hwmon driver. This driver
supports accessing various CPU sensors provided by the SMpro co-processor
including temperature, power, voltages, and current.
Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Link: https://lore.kernel.org/r/20220929094321.770125-2-quan@os.amperecomputing.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add a specific MFD_SY7636A config option.
As part of this change we can use MFD_SY7636A as a dependency for all
SY7636a components and also remove the name from MFD_SIMPLE_MFD_I2C as
it no longer needs to be selectable.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220525115554.430971-2-alistair@alistair23.me
MAX31760 is a precision fan speed controller with nonvolatile lookup table.
Device has one internal and one external temperature sensor support.
Controls two fans and measures their speeds. Generates hardware alerts when
programmable max and critical temperatures are exceeded.
Signed-off-by: Ibrahim Tilki <Ibrahim.Tilki@analog.com>
Reviewed-by: Nurettin Bolucu <Nurettin.Bolucu@analog.com>
Link: https://lore.kernel.org/r/20220910171945.48088-2-Ibrahim.Tilki@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The SENSORS_ASPEED is part of the Aspeed silicon so it makes
sense to depend on ARCH_ASPEED and for compile testing.
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Link: https://lore.kernel.org/r/20220916120936.372591-1-pbrobinson@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Extend aquacomputer_d5next driver to expose various hardware
sensors of the Aquacomputer High Flow Next flow sensor, which
communicates through a proprietary USB HID protocol.
The High Flow Next exposes +5V voltages, water quality, conductivity
and flow readings. A temperature sensor can be connected to it, in
which case it provides its reading and an estimation of the
dissipated/absorbed power in the liquid cooling loop.
Additionally, serial number and firmware version are exposed through
debugfs.
Registry offsets were discovered and tested by users on Github [1] [2].
[1] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/issues/8
[2] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/pull/34
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20220907100739.806571-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add driver for Microchip EMC2301/2/3/5 RPM-based PWM Fan Speed Controller.
Modify Makefile and Kconfig to support Microchip EMC2305 RPM-based
PWM Fan Speed Controller.
Signed-off-by: Michael Shych <michaelsh@nvidia.com>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20220810171552.56417-3-michaelsh@nvidia.com
[groeck: Drop unnecessary () around DIV_ROUND_CLOSEST()]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This driver utilises a WMI interface found in AMD 500 series ASUS boards,
to read EC registers. But it turned out that ASUS abandoned the
interface, as it disappeared from Intel 600 series boards. Additionally,
the WMI interface was incredibly slow. Therefore this driver was deprecated
in favor of the asus_ec_sensors driver, which supports more boards, more
sensors, and is faster.
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20220720072016.102086-2-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Extend aquacomputer_d5next driver to expose hardware temperature sensors
and fans of the Aquacomputer Quadro fan controller, which communicates
through a proprietary USB HID protocol. Implemented by Jack Doan [1].
Four temperature sensors and PWM controllable fans are available. The
liquid flow sensor is also exposed, implemented by Leonard Anderweit [2].
Additionally, serial number, firmware version and power-on count are
exposed through debugfs.
This driver has been tested on x86_64.
[1] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/pull/5
[2] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/pull/9
Originally-from: Jack Doan <me@jackdoan.com>
Originally-from: Leonard Anderweit <leonard.anderweit@gmail.com>
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20220727100606.9328-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The two drivers compile just fine on ARCH=arm. Allow to select
these drivers if COMPILE_TEST is enabled.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/r/20220527153445.1871086-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
NE1618 is similar to NE1617 but supports manufacturer and chip ID
registers as well as 11 bit external temperature resolution.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
NCT218 is compatible to NCT72 and NCT214. It also supports PEC (packet
error checking). Similar to NCT72 and NCT214, PEC support is undocumented.
Unlike NCT214 and NCT72, NCT218 does not support the undocumented secondary
chip and manufacturer ID registers at 0x3e and 0x3f and returns 0x00 when
reading those registers. The value for the chip revision register is not
documented but was observed to be 0xca. Use that information to improve
chip detection accuracy.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
NCT214 and NCT72 are compatible to ADT7461/ADT7461A but have full
PEC (packet error checking) support. PEC support is undocumented.
Both chips support the undocumented secondary chip and manufacturer
ID registers at 0x3e and 0x3f, and return 0x61 as chip ID. Use this
information to improve the accuracy of chip detection code.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Unlike ADM1023 and compatible chips, NCT210 does not support a temperature
offset register. A real chip was found to have a chip revision of 0x3f.
Use it to detect NCT210 explicitly.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
All chips supported by the ADM1021 driver are also supported by the LM90
driver. Make that support official.
After this change, the adm1021 driver is only needed if the lm90 driver
is disabled. Also, the adm1021 driver misdetects a variety of chips as
MAX1617A, which is unwanted if any of those chips is in the system.
For this reason. make the adm1021 driver dependent on !SENSORS_LM90 to
show that it is not needed if the lm90 driver is enabled, and to avoid
misdetection if a chip supported by the lm90 driver is in the system.
Devicetree nodes are not added for the added chips since it is quite
unlikely that such old chips will ever be used in a devicetree based
system. They can be added later if needed.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Both chips are quite similar to other chips of this series, so add
support for them to the lm90 driver. Also mention ON Semiconductor NCT210,
which is pin and register compatible to ADM1021A.
None of the chips support the secondary manufacturer and chip ID registers
at 0x3e and 0x3f, but return 0 when reading from those registers.
Use that information to improve the accuracy of chip detection code.
Devicetree nodes are not added for the added chips since it is quite
unlikely that such old chips will ever be used in a devicetree based
system. They can be added later if needed.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
MAX1617 and LM84 are stripped-down versions of LM90, so they can easily
be supported by the LM90 driver. The most difficult part is chip detection,
since those old chips do not support manufacturer ID or chip ID registers.
The "alarms" attribute is enabled for both chips to match the functionality
of the adm1021 driver. Chip detection was improved and is less prone to
misdetection than the chip detection in the adm1021 driver.
Devicetree nodes are not added for the added chips since it is quite
unlikely that such old chips will ever be used in a devicetree based
system. They can be added later if needed.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
MAX6642 is a reduced version of LM90 with no low limits and no conversion
rate register. Its alert functionality is broken, similar to many other
chips supported by the lm90 driver.
After this change, the stand-alone max6642 driver is only needed if the
lm90 driver is disabled. Make it dependent on SENSORS_LM90=n to show that
it is not needed if the lm90 driver is enabled.
A devicetree node is not added for this chip since it is quite unlikely
that such an old chip will ever be used in a devicetree based system.
It can be added later if needed.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
ADT7481, ADT7482, and ADT7483 are similar to ADT7461, but support two
external temperature sensors, similar to MAX6695/6696. They support an
extended temperature range similar to ADT7461. Registers for the second
external channel can be accessed directly or by using the same method as
used by MAX6695/6696. For simplicity, the access method implemented for
MAX6695/6696 is used.
The chips support PEC (packet error checking). Set the PEC feature flag
and let the user decide if it should be enabled or not (it is by default
disabled).
Even though it is only documented for ADT7483, all three chips support a
secondary manufacturer ID register at 0x3e and a chip ID register at 0x3f.
Use the contents of those registers register for improved chip detection
accuracy. Add the same check to the ADT7461A detection code since this chip
also supports the same (undocumented) registers.
Devicetree nodes are not added for the added chips since it is quite
unlikely that such old chips will ever be used in a devicetree based
system. They can be added later if needed.
Reviewed-by: Slawomir Stepien <sst@poczta.fm>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This driver provides an i2c I/O mechanism for the core nct6775 driver,
as might be used by a BMC. Because the Super I/O chip is shared with
the host CPU in such a scenario (and the host should ultimately be in
control of it), the i2c driver is strictly read-only to avoid
interfering with any usage by the host (aside from the bank-select
register, which seems to be replicated for the i2c interface).
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Tested-by: Renze Nicolai <renze@rnplus.nl>
Link: https://lore.kernel.org/r/20220428012707.24921-3-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for the temperatur sensor and the fan controller on the
Microchip LAN966x SoC. Apparently, an Analog Bits PVT sensor is used
which can measure temperature and process voltages. But only a forumlae
for the temperature sensor is known. Additionally, the SoC support a fan
tacho input as well as a PWM signal to control the fan.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20220401214032.3738095-5-michael@walle.cc
[groeck: Added missing reference in Documentation/hwmon/index.rst]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
