The Analog Devices ADT7470 is a multichannel temperature sensor and
PWM fan controller. It supports monitoring up to 10 external
temperature sensors and controlling up to 4 fans.
Add the device tree binding documentation for it. This includes
support for the thermal framework by defining the "#thermal-sensor-cells"
property, and models the fan control lines as PWM channels by
defining the "#pwm-cells" property.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Link: https://lore.kernel.org/r/20260805-adt7470_thermalzone-v6-1-5605a5f95467@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The MPS MPQ8646 PMBus step-down converter uses the same
mps,vout-fb-divider-ratio-permille property with the same constraints
(maximum 2047, default 706) as the mps,mpq8785, so add its compatible
to the existing schema.
Signed-off-by: Vincent Jardin <vjardin@free.fr>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260730-mpq8646_v0-v7-2-e7c7ad768d5d@free.fr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add compatible strings for variants of MAX20830 which are MAX20830C
and MAX20840C. These devices have the same register functionality with
MAX20830 but with a longer IC_DEVICE_ID.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Link: https://lore.kernel.org/r/20260730-dev-max20830c-v5-3-a7553f84ee74@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add adi,vout-rfb1-ohms and adi,vout-rfb2-ohms properties to support
external voltage divider configuration for VOUT sensing. When the
desired output voltage is higher than VREF, a resistor divider (RFB1
and RFB2) is required to reach the intended value.
The properties use a dependency constraint to ensure both resistors
are specified together, or neither. This prevents misconfiguration
where only one resistor value is provided.
This patch also adds missing entries in the examples.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Link: https://lore.kernel.org/r/20260730-dev-max20830c-v5-1-a7553f84ee74@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add device tree binding documentation for the Analog Devices MAX16545 and
MAX16550, and the Volterra VT7505 PMBus controllers.
Signed-off-by: Sanman Pradhan <psanman@juniper.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260725211945.288415-2-sanman.pradhan@hpe.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reduce the hpe,gxp-fan-ctrl register references from 3 to 1. The
function2 (fn2) and programmable logic (pl) references are removed.
The purpose of removal being their functionality will be consumed by a
new GPIO driver.
Signed-off-by: Nick Hawkins <nick.hawkins@hpe.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230705194544.100370-4-nick.hawkins@hpe.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add a YAML devicetree binding for the Sensirion SHT3x/STS3x sensor
family and the compatible GXCAS GXHT30, with the ALERT interrupt,
nRESET GPIO and VDD supply as optional properties.
The SHT30, SHT31, SHT35 and SHT85 measure humidity and temperature
and differ only in accuracy and packaging, while the STS30, STS31,
STS32 and STS35 are temperature-only parts. Within each group the
parts share the same software interface, so model them with a
fallback to the base part of their group: "sensirion,sht30" for the
SHT parts and "sensirion,sts30" for the STS parts.
The GXCAS GXHT30 is a drop-in replacement for the SHT30 and uses it
as fallback as well.
Signed-off-by: Zaixiang Xu <zaixiang.xu.dev@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260713074559.12196-3-zaixiang.xu.dev@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add device tree binding documentation for ESWIN EIC7700 Voltage and
Temperature sensor.
The EIC7700 SoC integrates two PVT instances for monitoring SoC and DDR
power domains respectively.
Signed-off-by: Yulin Lu <luyulin@eswincomputing.com>
Signed-off-by: Huan He <hehuan1@eswincomputing.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Xuyang Dong <dongxuyang@eswincomputing.com>
Link: https://lore.kernel.org/r/20260630091122.1462-1-dongxuyang@eswincomputing.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Support ROHM BD12780 and BD12780A hot-swap controllers, which are largely
compatible with the Analog Devices adm1278. Main difference between
the BD12780 and the BD12780A is, that the BD12780 has one I2C address
configuration pin more (ADDR3) than the BD12780A.
Introduce own compatibles for both variants but require the BD12780A to
always have the BD12780 as a fall-back.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/2b7d5bb8cba773d0bba1d6779f0e6daa6a40eed4.1782458224.git.mazziesaccount@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for an optional label property similar to other hwmon devices.
This allows, in case of boards with multiple CHIPCAP2 sensors, to assign
distinct names to each instance.
Signed-off-by: Flaviu Nistor <flaviu.nistor@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260625160423.17882-1-flaviu.nistor@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add a 'ti,current-range' string property to configure the device's Current
Limit (CL) behavior to "high" or "low" via the register, overriding the
physical CL pin setting.
This configuration is supported on LM25066, LM5064, LM5066, and LM5066i.
LM25056 is excluded because it does not support configuring the current
limit via the DEVICE_SETUP register (bit 2 of DEVICE_SETUP is reserved).
The values "low" and "high" map to the respective low/high threshold
voltages of the chips:
- LM25066: low = 25 mV, high = 46 mV
- LM5064, LM5066, LM5066i: low = 26 mV, high = 50 mV
Signed-off-by: Potin Lai <potin.lai.pt@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20260615-lm25066-cl-config-v3-1-decb4f5b0b77@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add devicetree binding documentation for the Silergy SQ24860 eFuse.
The device is a PMBus hardware monitoring device which reports voltage,
current, power, and temperature telemetry. The board-specific IMON
resistor value is described with silergy,rimon-micro-ohms.
Signed-off-by: Ziming Zhu <ziming.zhu@silergycorp.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20260612030304.5165-2-zmzhu0630@163.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The INA232 is a current/power monitor from Texas Instruments sharing
the same register map as the other INA2xx.
Signed-off-by: Martino Facchin <m.facchin@arduino.cc>
Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260611-monza-ina232-v2-1-e4375ce652d0@oss.qualcomm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
DT core:
- Add support for handling multiple cells in "iommu-map" entries.
- Support only 1 entry in /reserved-memory "reg" entries. Support for
more than 1 entry has been broken.
- Fix a UAF on alloc_reserved_mem_array() failure
- Make "ibm,phandle" handling logic specific to PPC
- Use memcpy() instead of strcpy() for known length strings
- Ensure __of_find_n_match_cpu_property() handles malformed "reg"
entries
- Add various checks that expected strings are strings before accessing
them
- Drop redundant memset() when unflattening DT
DT bindings:
- Add a DTS style checker. Currently hooked up to dt_binding_check to
check examples.
- Convert st,nomadik platform, ti,omap-dmm, and ti,irq-crossbar
bindings to DT schema
- Add Apple System Management Controller hwmon, Qualcomm Hamoa Embedded
Controller, Qualcomm IPQ6018 PWM controller, fsl,mc1323, Samsung
SOFEF01-M DDIC panel, Freescale i.MX53 Television Encoder, Samsung S2M
series PMIC extcon, and MT6365 PMIC AuxADC schemas
- Extend bindings for QCom Maili and Nord PDC, QCom Hali fastrpc,
qcom,eliza-imem, qcom,oryon-1-5 CPU, and MT6365 Keys
- Consolidate "sram" property definitions
- Fix constraints on "nvmem" properties which only contain phandles and
no arg cells
- Another pass of fixing "phandle-array" constraints
- Add Gira vendor prefix
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Merge tag 'devicetree-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DT core:
- Add support for handling multiple cells in "iommu-map" entries
- Support only 1 entry in /reserved-memory "reg" entries. Support for
more than 1 entry has been broken
- Fix a UAF on alloc_reserved_mem_array() failure
- Make "ibm,phandle" handling logic specific to PPC
- Use memcpy() instead of strcpy() for known length strings
- Ensure __of_find_n_match_cpu_property() handles malformed "reg"
entries
- Add various checks that expected strings are strings before
accessing them
- Drop redundant memset() when unflattening DT
DT bindings:
- Add a DTS style checker. Currently hooked up to dt_binding_check to
check examples
- Convert st,nomadik platform, ti,omap-dmm, and ti,irq-crossbar
bindings to DT schema
- Add Apple System Management Controller hwmon, Qualcomm Hamoa
Embedded Controller, Qualcomm IPQ6018 PWM controller, fsl,mc1323,
Samsung SOFEF01-M DDIC panel, Freescale i.MX53 Television Encoder,
Samsung S2M series PMIC extcon, and MT6365 PMIC AuxADC schemas
- Extend bindings for QCom Maili and Nord PDC, QCom Hali fastrpc,
qcom,eliza-imem, qcom,oryon-1-5 CPU, and MT6365 Keys
- Consolidate "sram" property definitions
- Fix constraints on "nvmem" properties which only contain phandles
and no arg cells
- Another pass of fixing "phandle-array" constraints
- Add Gira vendor prefix"
* tag 'devicetree-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (50 commits)
dt-bindings: interrupt-controller: qcom,pdc: Add Maili compatible string
dt-bindings: interrupt-controller: ti,irq-crossbar: Convert to DT schema
dt-bindings: vendor-prefixes: add Gira
dt-bindings: embedded-controller: Add Qualcomm reference device EC description
dt-bindings: pwm: add IPQ6018 binding
dt-bindings: hwmon: Add Apple System Management Controller hwmon schema
docs: dt: writing-schema: Clarify what is required in a schema
of: Respect #{iommu,msi}-cells in maps
of: Factor arguments passed to of_map_id() into a struct
of: Add convenience wrappers for of_map_id()
of: reserved_mem: zero total_reserved_mem_cnt if no valid /reserved-memory entry
of: reserved_mem: handle NULL name in of_reserved_mem_lookup()
dt-bindings: cache: l2c2x0: Add missing power-domains
dt-bindings: interrupt-controller: renesas,r9a09g077-icu: Fix reg size in example
dt-bindings: nvmem: consumer: Make 'nvmem' an array of one-item entries
drivers/of/overlay: Use memcpy() to copy known length strings
dt-bindings: add self-test fixtures for style checker
dt-bindings: wire style checker into dt_binding_check
scripts/jobserver-exec: propagate child exit status
dt-bindings: add DTS style checker
...
* New drivers for the following chips
- Analog Devices LTC4283 Swap Controller
- Analog Devices MAX20830
- Analog Devices MAX20860A
- ARCTIC Fan Controller
- Delta E50SN12051
- Luxshare LX1308
- Microchip EMC1812/13/14/15/33
- Monolithic MP2985
- Murata D1U74T PSU
* New chip support added to existing drivers
- asus-ec-sensors: Support for ROG MAXIMUS Z790 EXTREME, ROG STRIX B850-E
GAMING WIFI, and ROG STRIX B650E-E GAMING WIFI
- dell-smm: Add Dell Latitude 7530 to fan control whitelist
- nct6683: Support for ASRock Z890 Pro-A
- pmbus: Support for Flex BMR316, BMR321, BMR350 and BMR351
- pmbus/max34440: Support for ADPM12250
- pmbus/xdp720: Support for Infineon xdp730, and fix driver issues
reported by Sashiko
* New functionality
- Add support for update_interval_us chip attribute, and support it
in ina238 driver
- Add support for guard() and scoped_guard() for subsystem locks,
and use it in adt7411, ina2xx, and lm90 drivers
- emc2305: Support configurable fan PWM at shutdown
- lm63: Expose PWM frequency and LUT hysteresis as writable
- lm75: Support active-high alert polarity
- nct7802: Add time step attributes for tweaking responsiveness
- pmbus/adm1266: Add rtc debugfs entries for rtc, powerup_counter,
clear_blackbox, and firmware_revision
- raspberrypi: Fix delayed-work teardown race, add voltage input support
as well as voltage domain IDs
mcp9982: Add support for reporting external diode faults
* Miscellaneous bug fixes, changes and improvements
- Use named initializers for platform_device_id arrays and
i2c_device_data, and remove unused driver data
- Various drivers: Move MODULE_DEVICE_TABLE next to the table itself
- ads7871: Convert to hwmon_device_register_with_info(), and use
DMA-safe buffer for SPI writes
- adt7411: document supported sysfs attributes
- adt7462: Add of_match_table to support devicetree
- adt7475: Add explicit header include
- coretemp; Fix outdated documentation, coding style issues, and
replace hardcoded core count with dynamic value
- cros_ec: Drop unused assignment of platform_device_id driver data
- emc2305: Fix fan channel index handling
- gpd-fan: Reject EC PWM value 0 as invalid, fix race condition between
device removal and sysfs access, upgrade log level from warn to err for
platform device creation failure, initialize EC before registering hwmon
device, drop global driver data and use per-device allocation
- htu31: document debugfs serial_number
- ina238: Add support for samples and update_interval
- it87: Clamp negative values to zero in set_fan()
- lm75: Add explicit header include, Add explicit default cases in
lm75_is_visible(), and add section for sysfs interface to documentation
- pmbus/lm25066: Fix PMBus coefficients for LM5064/5066/5066i
- tmp102: Use device_property_read_string API
- tmp401: Read "ti,n-factor" as signed
- Convert zyxel,nsa320-mcu to DT schema
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Merge tag 'hwmon-for-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers for the following chips:
- Analog Devices LTC4283 Swap Controller
- Analog Devices MAX20830
- Analog Devices MAX20860A
- ARCTIC Fan Controller
- Delta E50SN12051
- Luxshare LX1308
- Microchip EMC1812/13/14/15/33
- Monolithic MP2985
- Murata D1U74T PSU
New chip support added to existing drivers:
- asus-ec-sensors: Support for ROG MAXIMUS Z790 EXTREME, ROG STRIX
B850-E GAMING WIFI, and ROG STRIX B650E-E GAMING WIFI
- dell-smm: Add Dell Latitude 7530 to fan control whitelist
- nct6683: Support for ASRock Z890 Pro-A
- pmbus: Support for Flex BMR316, BMR321, BMR350 and BMR351
- pmbus/max34440: Support for ADPM12250
- pmbus/xdp720: Support for Infineon xdp730, and fix driver issues
reported by Sashiko
New functionality:
- Add support for update_interval_us chip attribute, and support it
in ina238 driver
- Add support for guard() and scoped_guard() for subsystem locks, and
use it in adt7411, ina2xx, and lm90 drivers
- emc2305: Support configurable fan PWM at shutdown
- lm63: Expose PWM frequency and LUT hysteresis as writable
- lm75: Support active-high alert polarity
- nct7802: Add time step attributes for tweaking responsiveness
- pmbus/adm1266: Add rtc debugfs entries for rtc, powerup_counter,
clear_blackbox, and firmware_revision
- raspberrypi: Fix delayed-work teardown race, add voltage input
support as well as voltage domain IDs
- mcp9982: Add support for reporting external diode faults
Miscellaneous bug fixes, changes and improvements:
- Use named initializers for platform_device_id arrays and
i2c_device_data, and remove unused driver data
- Various drivers: Move MODULE_DEVICE_TABLE next to the table itself
- ads7871: Convert to hwmon_device_register_with_info(), and use
DMA-safe buffer for SPI writes
- adt7411: document supported sysfs attributes
- adt7462: Add of_match_table to support devicetree
- adt7475: Add explicit header include
- coretemp; Fix outdated documentation, coding style issues, and
replace hardcoded core count with dynamic value
- cros_ec: Drop unused assignment of platform_device_id driver data
- emc2305: Fix fan channel index handling
- gpd-fan: Reject EC PWM value 0 as invalid, fix race condition
between device removal and sysfs access, upgrade log level from
warn to err for platform device creation failure, initialize EC
before registering hwmon device, drop global driver data and use
per-device allocation
- htu31: document debugfs serial_number
- ina238: Add support for samples and update_interval
- it87: Clamp negative values to zero in set_fan()
- lm75: Add explicit header include, Add explicit default cases in
lm75_is_visible(), and add section for sysfs interface to
documentation
- pmbus/lm25066: Fix PMBus coefficients for LM5064/5066/5066i
- tmp102: Use device_property_read_string API
- tmp401: Read "ti,n-factor" as signed
- Convert zyxel,nsa320-mcu to DT schema"
* tag 'hwmon-for-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (81 commits)
hwmon: tmp401: Read "ti,n-factor" as signed
hwmon: (pmbus/lm25066) Fix PMBus coefficients for LM5064/5066/5066i
hwmon: (gpd-fan) Reject EC PWM value 0 as invalid
hwmon: (dell-smm) Add Dell Latitude 7530 to fan control whitelist
hwmon: temperature: add support for EMC1812
dt-bindings: hwmon: temperature: add support for EMC1812
hwmon: (gpd-fan): fix race condition between device removal and sysfs access
hwmon: (gpd-fan): upgrade log level from warn to err for platform device creation failure
hwmon: (gpd-fan): Initialize EC before registering hwmon device
hwmon: (gpd-fan): drop global driver data and use per-device allocation
hwmon: (pmbus/max34440): add support adpm12250
hwmon: (ina238) Add update_interval_us attribute
hwmon: Add update_interval_us chip attribute
hwmon: (ina238) Add support for samples and update_interval
gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
hwmon: ltc4283: Add support for the LTC4283 Swap Controller
dt-bindings: hwmon: Document the LTC4283 Swap Controller
hwmon: (pmbus/xdp720) Fix driver issues xdp720/730
hwmon: (pmbus/xdp720) Add support for efuse xdp730
dt-bindings: hwmon/pmbus: Add Infineon xdp730
...
Apple Silicon devices integrate a vast array of sensors, monitoring
current, power, temperature, and voltage across almost every part of
the system. The sensors themselves are all connected to the System
Management Controller (SMC). The SMC firmware exposes the data
reported by these sensors via its standard FourCC-based key-value
API. The SMC is also responsible for monitoring and controlling any
fans connected to the system, exposing them in the same way.
For reasons known only to Apple, each device exposes its sensors with
an almost totally unique set of keys. This is true even for devices
which share an SoC. An M1 Mac mini, for example, will report its core
temperatures on different keys to an M1 MacBook Pro. Worse still, the
SMC does not provide a way to enumerate the available keys at runtime,
nor do the keys follow any sort of reasonable or consistent naming
rules that could be used to deduce their purpose. We must therefore
know which keys are present on any given device, and which function
they serve, ahead of time.
Add a schema so that we can describe the available sensors for a given
Apple Silicon device in the Devicetree.
Reviewed-by: Neal Gompa <neal@gompa.dev>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: James Calligeros <jcalligeros99@gmail.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://patch.msgid.link/20251215-macsmc-subdevs-v6-1-0518cb5f28ae@gmail.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This is the devicetree schema for Microchip EMC1812/13/14/15/33
Multichannel Low-Voltage Remote Diode Sensor Family. It also
updates the MAINTAINERS file to include the new driver.
EMC1812 has one external remote temperature monitoring channel.
EMC1813 has two external remote temperature monitoring channels.
EMC1814 has three external remote temperature monitoring channels and
channels 2 and 3 support anti parallel diode.
EMC1815 has four external remote temperature monitoring channels and
channels 1/2 and 3/4 support anti parallel diode.
EMC1833 has two external remote temperature monitoring channels and
channels 1 and 2 support anti parallel diode.
Resistance Error Correction is supported on channels 1/2 and 3/4.
Signed-off-by: Marius Cristea <marius.cristea@microchip.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20260610-hw_mon-emc1812-v11-1-cef809af5c19@microchip.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The LTC4283 is a negative voltage hot swap controller that drives an
external N-channel MOSFET to allow a board to be safely inserted and
removed from a live backplane.
Special note for the "adi,vpower-drns-enable" property. It allows to choose
between the attenuated MOSFET drain voltage or the attenuated input
voltage at the RTNS pin (effectively choosing between input or output
power). This is a system level decision not really intended to change at
runtime and hence is being added as a Firmware property.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20260502-ltc4283-support-v13-1-1c206542e652@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add documentation for the device tree binding of the XDP730 eFuse.
Rename node to efuse to accurately reflect its hardware function.
Signed-off-by: Ashish Yadav <ashish.yadav@infineon.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20260609072231.15486-2-Ashish.Yadav@infineon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The LM75 alert pin is asserted based on the value of alert polarity bit
of the configuration register. The device/driver default is 0 which means
alert pin is configured to be active-low. A value of 1 maps to inverted
(active-high).
Add an optional boolean property "ti,alert-polarity-active-high" to
override the alert pin polarity. When absent, the default active-low
polarity is kept.
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20260504151020.462342-2-markus.stockhausen@gmx.de
[groeck: Shorten description line length]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Convert the ZyXEL NSA320 MCU bindings from text format to YAML schema.
Signed-off-by: Manish Baing <manishbaing2789@gmail.com>
Acked-by: Adam Baker <linux@baker-net.org.uk>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260501102116.8275-1-manishbaing2789@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The EMC2305 fan controller supports multiple independent PWM fan
outputs. Some systems require fans to enter a defined safe state
during system shutdown or reboot handoff, until firmware or the next
boot stage reconfigures the controller.
Add an optional "fan-shutdown-percent" property to fan child nodes
allowing the PWM duty cycle applied during shutdown to be configured
per fan output.
Signed-off-by: Florin Leotescu <florin.leotescu@nxp.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20260429065955.2113012-3-florin.leotescu@oss.nxp.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Extend the thermal cooling device binding to support a 3 cells specifier
along with the 2 cells format.
Update #cooling-cells property to enum to support both 2 and 3 arguments.
Fix pwm-fan.yaml to restrict the number of cells to 'const: 2'
Signed-off-by: Gaurav Kohli <gaurav.kohli@oss.qualcomm.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@oss.qualcomm.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Link: https://patch.msgid.link/20260526140802.1059293-22-daniel.lezcano@oss.qualcomm.com
Add documentation for the device tree binding of the XDP720 eFuse.
Signed-off-by: Ashish Yadav <ashish.yadav@infineon.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20260410070154.3313-2-Ashish.Yadav@infineon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
RAA228942 and RAA228943 are Renesas digital dual-output
16-phase (X+Y <= 16) PWM controllers with 2-rail non-TC
driver configuration. At the PMBus hwmon interface level,
they are compatible with existing 2-rail non-TC controllers
and use renesas,raa228244 as fallback compatible
Signed-off-by: Dawei Liu <dawei.liu.jy@renesas.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260325090208.857-2-dawei.liu.jy@renesas.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The G and J coefficients provided by T-Head TH1520 manual (which calls
them A and C coefficients and calls H coefficient in the binding as B)
have 1/100 degree Celsius precision (the values are 42.74 and -0.16
respectively), however the binding currently only allows coefficients as
precise as 100 milli-Celsius (1/10 degree Celsius).
Change the multipleOf value of these two coefficients to 10 (in the unit
of milli-Celsius) to satisfy the need of TH1520.
Signed-off-by: Icenowy Zheng <zhengxingda@iscas.ac.cn>
Reviewed-by: Drew Fustini <fustini@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20260309162457.4128205-2-zhengxingda@iscas.ac.cn
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add a compatible string for the INA234 device, which is like INA226 but
has different scaling.
Note that the device tree compatible must be different since the driver
uses the compatible to configure the scaling.
Signed-off-by: Ian Ray <ian.ray@gehealthcare.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> # v1
Tested-by: Jens Almer <bagawk@gmail.com>
Link: https://lore.kernel.org/r/20260220112024.97446-2-ian.ray@gehealthcare.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
I was just informed that this product is discontinued (without being
ever released to the market). Pull the plug and let's not waste any more
maintainers time and revert commit 0f6eae86e6 ("dt-bindings: hwmon:
sl28cpld: add sa67mcu compatible").
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Michael Walle <mwalle@kernel.org>
Link: https://lore.kernel.org/r/20260302122540.1377444-8-mwalle@kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
DT core:
- Sync dtc/libfdt with upstream v1.7.2-62-ga26ef6400bd8
- Add a for_each_compatible_node_scoped() loop and convert users in
cpufreq, dmaengine, clk, cdx, powerpc and Arm
- Simplify of/platform.c with scoped loop helpers
- Add fw_devlink tracking for "mmc-pwrseq"
- Optimize fw_devlink callback code size for pinctrl-N properties
- Replace strcmp_suffix() with strends()
DT bindings:
- Support building single binding targets
- Convert google,goldfish-fb, cznic,turris-mox-rwtm, ti,prm-inst
- Add bindings for Freescale AVIC, Realtek RTD1xxx system controllers,
Microchip 25AA010A EEPROM, OnSemi FIN3385, IEI WT61P803 PUZZLE, Delta
Electronics DPS-800-AB power supply, Infineon IR35221 Digital
Multi-phase Controller, Infineon PXE1610 Digital Dual Output 6+1
VR12.5 & VR13 CPU Controller, socionext,uniphier-smpctrl, and
xlnx,zynqmp-firmware
- Lots of trivial binding fixes to address warnings in DTS files. These
are mostly for arm64 platforms which is getting closer to be warning
free. Some public shaming has helped.
- Fix I2C bus node names in examples
- Drop obsolete brcm,vulcan-soc binding
- Drop unreferenced binding headers
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Merge tag 'devicetree-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DT core:
- Sync dtc/libfdt with upstream v1.7.2-62-ga26ef6400bd8
- Add a for_each_compatible_node_scoped() loop and convert users in
cpufreq, dmaengine, clk, cdx, powerpc and Arm
- Simplify of/platform.c with scoped loop helpers
- Add fw_devlink tracking for "mmc-pwrseq"
- Optimize fw_devlink callback code size for pinctrl-N properties
- Replace strcmp_suffix() with strends()
DT bindings:
- Support building single binding targets
- Convert google,goldfish-fb, cznic,turris-mox-rwtm, ti,prm-inst
- Add bindings for Freescale AVIC, Realtek RTD1xxx system
controllers, Microchip 25AA010A EEPROM, OnSemi FIN3385, IEI
WT61P803 PUZZLE, Delta Electronics DPS-800-AB power supply,
Infineon IR35221 Digital Multi-phase Controller, Infineon PXE1610
Digital Dual Output 6+1 VR12.5 & VR13 CPU Controller,
socionext,uniphier-smpctrl, and xlnx,zynqmp-firmware
- Lots of trivial binding fixes to address warnings in DTS files.
These are mostly for arm64 platforms which is getting closer to be
warning free. Some public shaming has helped.
- Fix I2C bus node names in examples
- Drop obsolete brcm,vulcan-soc binding
- Drop unreferenced binding headers"
* tag 'devicetree-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (60 commits)
dt-bindings: interrupt-controller: Add compatiblie string fsl,imx(1|25|27|31|35)-avic
dt-bindings: soc: imx: add fsl,aips and fsl,emi compatible strings
dt-bindings: display: bridge: lt8912b: Drop reset gpio requirement
dt-bindings: firmware: fsl,scu: Mark multi-channel MU layouts as deprecated
cpufreq: s5pv210: Simplify with scoped for each OF child loop
dmaengine: fsl_raid: Simplify with scoped for each OF child loop
clk: imx: imx31: Simplify with scoped for each OF child loop
clk: imx: imx27: Simplify with scoped for each OF child loop
cdx: Use mutex guard to simplify error handling
cdx: Simplify with scoped for each OF child loop
powerpc/wii: Simplify with scoped for each OF child loop
powerpc/fsp2: Simplify with scoped for each OF child loop
ARM: exynos: Simplify with scoped for each OF child loop
ARM: at91: Simplify with scoped for each OF child loop
of: Add for_each_compatible_node_scoped() helper
dt-bindings: Fix emails with spaces or missing brackets
scripts/dtc: Update to upstream version v1.7.2-62-ga26ef6400bd8
dt-bindings: crypto: inside-secure,safexcel: Mandate only ring IRQs
dt-bindings: crypto: inside-secure,safexcel: Add SoC compatibles
of: reserved_mem: Fix placement of __free() annotation
...
Add the IEI WT61P803 PUZZLE Device Tree bindings for MFD, HWMON and LED
drivers. A new vendor prefix is also added accordingly for
IEI Integration Corp.
Signed-off-by: Luka Kovacic <luka.kovacic@sartura.hr>
Signed-off-by: Pavo Banicevic <pavo.banicevic@sartura.hr>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Cc: Robert Marko <robert.marko@sartura.hr>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://patch.msgid.link/20210824124438.14519-2-luka.kovacic@sartura.hr
[robh: fix warnings from current tools]
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Convert the ASpeed fan controller binding to DT schema format.
The '#size-cells' value is 0 rather 1.
Some users define more that 8 fan nodes where 2 fans share a PWM. The
driver seems to let the 2nd fan just overwrite the 1st one. That also
creates some addressing errors in the DT (duplicate addresses and wrong
unit-addresses).
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Link: https://lore.kernel.org/r/20260109-dev-dt-warnings-hwmon-v1-1-f2a84cdb0e1b@codeconstruct.com.au
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
My name is stamped into maintainership for a big slew of DT
bindings. Now that it is changing, switch it over to my
kernel.org mail address, which will hopefully be stable for the
rest of my life.
Signed-off-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20251216-maintainers-dt-v1-1-0b5ab102c9bb@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
DT bindings:
- Convert lattice,ice40-fpga-mgr, apm,xgene-storm-dma, brcm,sr-thermal,
amazon,al-thermal, brcm,ocotp, mt8173-mdp, Actions Owl SPS, Marvell
AP80x System Controller, Marvell CP110 System Controller,
cznic,moxtet, and apm,xgene-slimpro-mbox to DT schema format
- Add i.MX95 fsl,irqsteer, MT8365 Mali Bifrost GPU, Anvo ANV32C81W
EEPROM, and Microchip pic64gx PLIC
- Add missing LGE, AMD Seattle, and APM X-Gene SoC platform compatibles
- Updates to brcm,bcm2836-l1-intc, brcm,bcm2835-hvs, and bcm2711-hdmi
bindings to fix warnings on BCM2712 platforms
- Drop obsolete db8500-thermal.txt
- Treewide clean-up of extra blank lines and inconsistent quoting
- Ensure all .dtbo targets are applied to a base .dtb
- Speed up dt_binding_check by skipping running validation on empty
examples
DT core:
- Add of_machine_device_match() and of_machine_get_match_data() helpers
and convert users treewide
- Fix bounds checking of address properties in FDT code. Rework the code
to have a single implementation of the bounds checks.
- Rework of_irq_init() to ignore any implicit interrupt-parent (i.e. in
a parent node) on nodes without an interrupt. This matches the spec
description and fixes some RISC-V platforms.
- Avoid a spurious message on overlay removal
- Skip DT kunit tests on RISCV+ACPI
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Merge tag 'devicetree-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DT bindings:
- Convert lattice,ice40-fpga-mgr, apm,xgene-storm-dma,
brcm,sr-thermal, amazon,al-thermal, brcm,ocotp, mt8173-mdp, Actions
Owl SPS, Marvell AP80x System Controller, Marvell CP110 System
Controller, cznic,moxtet, and apm,xgene-slimpro-mbox to DT schema
format
- Add i.MX95 fsl,irqsteer, MT8365 Mali Bifrost GPU, Anvo ANV32C81W
EEPROM, and Microchip pic64gx PLIC
- Add missing LGE, AMD Seattle, and APM X-Gene SoC platform
compatibles
- Updates to brcm,bcm2836-l1-intc, brcm,bcm2835-hvs, and bcm2711-hdmi
bindings to fix warnings on BCM2712 platforms
- Drop obsolete db8500-thermal.txt
- Treewide clean-up of extra blank lines and inconsistent quoting
- Ensure all .dtbo targets are applied to a base .dtb
- Speed up dt_binding_check by skipping running validation on empty
examples
DT core:
- Add of_machine_device_match() and of_machine_get_match_data()
helpers and convert users treewide
- Fix bounds checking of address properties in FDT code. Rework the
code to have a single implementation of the bounds checks.
- Rework of_irq_init() to ignore any implicit interrupt-parent (i.e.
in a parent node) on nodes without an interrupt. This matches the
spec description and fixes some RISC-V platforms.
- Avoid a spurious message on overlay removal
- Skip DT kunit tests on RISCV+ACPI"
* tag 'devicetree-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (55 commits)
dt-bindings: kbuild: Skip validating empty examples
dt-bindings: interrupt-controller: brcm,bcm2836-l1-intc: Drop interrupt-controller requirement
dt-bindings: display: Fix brcm,bcm2835-hvs bindings for BCM2712
dt-bindings: display: bcm2711-hdmi: Add interrupt details for BCM2712
of: Skip devicetree kunit tests when RISCV+ACPI doesn't populate root node
soc: tegra: Simplify with of_machine_device_match()
soc: qcom: ubwc: Simplify with of_machine_get_match_data()
powercap: dtpm: Simplify with of_machine_get_match_data()
platform: surface: Simplify with of_machine_get_match_data()
irqchip/atmel-aic: Simplify with of_machine_get_match_data()
firmware: qcom: scm: Simplify with of_machine_device_match()
cpuidle: big_little: Simplify with of_machine_device_match()
cpufreq: sun50i: Simplify with of_machine_device_match()
cpufreq: mediatek: Simplify with of_machine_get_match_data()
cpufreq: dt-platdev: Simplify with of_machine_get_match_data()
of: Add wrappers to match root node with OF device ID tables
dt-bindings: eeprom: at25: Add Anvo ANV32C81W
of/reserved_mem: Simplify the logic of __reserved_mem_alloc_size()
of/reserved_mem: Simplify the logic of fdt_scan_reserved_mem_reg_nodes()
of/reserved_mem: Simplify the logic of __reserved_mem_reserve_reg()
...
Adds support for the AST2700 PWM/Tach controller by extending the
compatible string enumeration in the device tree binding.
The AST2700 PWM/Tach hardware is compatible with the existing binding
schema and requires no additional properties or modifications beyond
the new compatible string.
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20251120-upstream_pwm_tach-v3-1-eaa2f9b300a2@aspeedtech.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Generally at most 1 blank line is the standard style for DT schema
files. Remove the few cases with more than 1 so that the yamllint check
for this can be enabled.
Acked-by: Lee Jones <lee@kernel.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> # remoteproc
Acked-by: Georgi Djakov <djakov@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Uwe Kleine-König <ukleinek@kernel.org> # for allwinner,sun4i-a10-pwm.yaml
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> # mtd
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Manivannan Sadhasivam <mani@kernel.org> # For PCI controller bindings
Link: https://patch.msgid.link/20251023143957.2899600-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Add binding for the TSC1641 I2C power monitor.
Signed-off-by: Igor Reznichenko <igor@reznichenko.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20251105201406.1210856-2-igor@reznichenko.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Since fan properties can include reg, the fan controller should be
able to specify address-cells and size-cells properties and use
an addressed fan child node.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20251001144441.310950-6-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The binding for the max31785 is the same as the max31790, so just add
some compatible strings for the max31785 chip.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20251001144441.310950-5-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
