diff options
author | 2025-06-03 09:11:26 -0700 | |
---|---|---|
committer | 2025-06-03 09:11:26 -0700 | |
commit | 76c21d225469780a005140037b6248e648f41ae4 (patch) | |
tree | b217a463ce6d6afe145fb1ab8976c17bc4498c89 /Documentation | |
parent | Merge tag 'xtensa-20250603' of https://github.com/jcmvbkbc/linux-xtensa (diff) | |
parent | doc: hwmon: acpi_power_meter: Add information about enabling the power capping feature. (diff) | |
download | linux-rng-76c21d225469780a005140037b6248e648f41ae4.tar.xz linux-rng-76c21d225469780a005140037b6248e648f41ae4.zip |
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
...
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/hwmon/pmbus/adi,lt3074.yaml | 50 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/hwmon/pmbus/mps,mpq8785.yaml | 74 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml | 6 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml | 18 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml | 5 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/hwmon/ti,tmp102.yaml | 4 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/trivial-devices.yaml | 2 | ||||
-rw-r--r-- | Documentation/hwmon/acpi_power_meter.rst | 29 | ||||
-rw-r--r-- | Documentation/hwmon/asus_ec_sensors.rst | 2 | ||||
-rw-r--r-- | Documentation/hwmon/ina238.rst | 15 | ||||
-rw-r--r-- | Documentation/hwmon/index.rst | 4 | ||||
-rw-r--r-- | Documentation/hwmon/kbatt.rst | 60 | ||||
-rw-r--r-- | Documentation/hwmon/kfan.rst | 39 | ||||
-rw-r--r-- | Documentation/hwmon/lt3074.rst | 72 | ||||
-rw-r--r-- | Documentation/hwmon/max34440.rst | 30 | ||||
-rw-r--r-- | Documentation/hwmon/max77705.rst | 39 | ||||
-rw-r--r-- | Documentation/hwmon/mpq8785.rst | 27 |
17 files changed, 455 insertions, 21 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/adi,lt3074.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/adi,lt3074.yaml new file mode 100644 index 000000000000..bf028a8718f1 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/pmbus/adi,lt3074.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/pmbus/adi,lt3074.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices LT3074 voltage regulator + +maintainers: + - Cedric Encarnacion <cedricjustine.encarnacion@analog.com> + +description: | + The LT3074 is a low voltage, ultra-low noise and ultra-fast transient + response linear regulator. It allows telemetry for input/output voltage, + output current and temperature through the PMBus serial interface. + + Datasheet: + https://www.analog.com/en/products/lt3074.html + +allOf: + - $ref: /schemas/regulator/regulator.yaml# + +properties: + compatible: + enum: + - adi,lt3074 + + reg: + maxItems: 1 + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + regulator@6d { + compatible = "adi,lt3074"; + reg = <0x6d>; + regulator-name = "vout"; + regulator-max-microvolt = <1250000>; + regulator-min-microvolt = <1150000>; + }; + }; diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/mps,mpq8785.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/mps,mpq8785.yaml new file mode 100644 index 000000000000..90970a0433e9 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/pmbus/mps,mpq8785.yaml @@ -0,0 +1,74 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/pmbus/mps,mpq8785.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Monolithic Power Systems Multiphase Voltage Regulators with PMBus + +maintainers: + - Charles Hsu <ythsu0511@gmail.com> + +description: + Monolithic Power Systems digital multiphase voltage regulators with PMBus. + +properties: + compatible: + enum: + - mps,mpm3695 + - mps,mpm3695-25 + - mps,mpm82504 + - mps,mpq8785 + + reg: + maxItems: 1 + + mps,vout-fb-divider-ratio-permille: + description: + The feedback resistor divider ratio, expressed in permille + (Vfb / Vout * 1000). This value is written to the PMBUS_VOUT_SCALE_LOOP + register and is required for correct output voltage presentation. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 4095 + default: 706 + +required: + - compatible + - reg + +allOf: + - if: + properties: + compatible: + enum: + - mps,mpm3695 + - mps,mpm82504 + then: + properties: + mps,vout-fb-divider-ratio-permille: + maximum: 1023 + + - if: + properties: + compatible: + const: mps,mpq8785 + then: + properties: + mps,vout-fb-divider-ratio-permille: + maximum: 2047 + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@30 { + compatible = "mps,mpm82504"; + reg = <0x30>; + mps,vout-fb-divider-ratio-permille = <600>; + }; + }; diff --git a/Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml b/Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml index f0667ac41d75..b76805d39427 100644 --- a/Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml +++ b/Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml @@ -11,7 +11,11 @@ maintainers: properties: compatible: - const: sophgo,sg2042-hwmon-mcu + oneOf: + - items: + - const: sophgo,sg2044-hwmon-mcu + - const: sophgo,sg2042-hwmon-mcu + - const: sophgo,sg2042-hwmon-mcu reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml b/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml index 5d33f1a23d03..9ca7356760a7 100644 --- a/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml +++ b/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml @@ -28,6 +28,17 @@ properties: i2c-mux: type: object + fan: + $ref: fan-common.yaml# + unevaluatedProperties: false + + "#pwm-cells": + const: 2 + description: | + Number of cells in a PWM specifier. + - cell 0: PWM period in nanoseconds + - cell 1: PWM polarity: 0 or PWM_POLARITY_INVERTED + required: - compatible - reg @@ -50,9 +61,14 @@ examples: #address-cells = <1>; #size-cells = <0>; - fan@18 { + fan_controller: fan@18 { compatible = "ti,amc6821"; reg = <0x18>; + #pwm-cells = <2>; + + fan { + pwms = <&fan_controller 40000 0>; + }; }; }; diff --git a/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml b/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml index bc03781342c0..d1fb7b9abda0 100644 --- a/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml +++ b/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml @@ -19,6 +19,7 @@ description: | properties: compatible: enum: + - silergy,sq52206 - silergy,sy24655 - ti,ina209 - ti,ina219 @@ -58,6 +59,9 @@ properties: shunt voltage, and a value of 4 maps to ADCRANGE=0 such that a wider voltage range is used. + For SQ52206,the shunt-gain value 1 mapps to ADCRANGE=10/11, the value 2 + mapps to ADCRANGE=01, and the value 4 mapps to ADCRANGE=00. + The default value is device dependent, and is defined by the reset value of PGA/ADCRANGE in the respective configuration registers. $ref: /schemas/types.yaml#/definitions/uint32 @@ -97,6 +101,7 @@ allOf: compatible: contains: enum: + - silergy,sq52206 - silergy,sy24655 - ti,ina209 - ti,ina219 diff --git a/Documentation/devicetree/bindings/hwmon/ti,tmp102.yaml b/Documentation/devicetree/bindings/hwmon/ti,tmp102.yaml index 7e5b62a0215d..4c89448eba0d 100644 --- a/Documentation/devicetree/bindings/hwmon/ti,tmp102.yaml +++ b/Documentation/devicetree/bindings/hwmon/ti,tmp102.yaml @@ -23,6 +23,9 @@ properties: "#thermal-sensor-cells": const: 1 + vcc-supply: + description: Power supply for tmp102 + required: - compatible - reg @@ -42,6 +45,7 @@ examples: reg = <0x48>; interrupt-parent = <&gpio7>; interrupts = <16 IRQ_TYPE_LEVEL_LOW>; + vcc-supply = <&supply>; #thermal-sensor-cells = <1>; }; }; diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml index 6a49e8efc0f7..8dc81b1ca48e 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -295,8 +295,6 @@ properties: - mps,mp5990 # Monolithic Power Systems Inc. digital step-down converter mp9941 - mps,mp9941 - # Monolithic Power Systems Inc. synchronous step-down converter mpq8785 - - mps,mpq8785 # Temperature sensor with integrated fan control - national,lm63 # Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor diff --git a/Documentation/hwmon/acpi_power_meter.rst b/Documentation/hwmon/acpi_power_meter.rst index 8628c1161015..a91403a2a26f 100644 --- a/Documentation/hwmon/acpi_power_meter.rst +++ b/Documentation/hwmon/acpi_power_meter.rst @@ -37,9 +37,16 @@ arbitrary strings that ACPI provides with the meter. The measures/ directory contains symlinks to the devices that this meter measures. Some computers have the ability to enforce a power cap in hardware. If this is -the case, the `power[1-*]_cap` and related sysfs files will appear. When the -average power consumption exceeds the cap, an ACPI event will be broadcast on -the netlink event socket and a poll notification will be sent to the +the case, the `power[1-*]_cap` and related sysfs files will appear. +For information on enabling the power cap feature, refer to the description +of the "force_on_cap" option in the "Module Parameters" chapter. +To use the power cap feature properly, you need to set appropriate value +(in microWatts) to the `power[1-*]_cap` sysfs files. +The value must be within the range between the minimum value at `power[1-]_cap_min` +and the maximum value at `power[1-]_cap_max (both in microWatts)`. + +When the average power consumption exceeds the cap, an ACPI event will be +broadcast on the netlink event socket and a poll notification will be sent to the appropriate `power[1-*]_alarm` file to indicate that capping has begun, and the hardware has taken action to reduce power consumption. Most likely this will result in reduced performance. @@ -52,3 +59,19 @@ follows: `power[1-*]_cap` will be notified if the firmware changes the power cap. `power[1-*]_interval` will be notified if the firmware changes the averaging interval. + +Module Parameters +----------------- + +* force_cap_on: bool + Forcefully enable the power capping feature to specify + the upper limit of the system's power consumption. + + By default, the driver's power capping feature is only + enabled on IBM products. + Therefore, on other systems that support power capping, + you will need to use the option to enable it. + + Note: power capping is potentially unsafe feature. + Please check the platform specifications to make sure + that capping is supported before using this option. diff --git a/Documentation/hwmon/asus_ec_sensors.rst b/Documentation/hwmon/asus_ec_sensors.rst index d2be9db29614..816d1f9947ea 100644 --- a/Documentation/hwmon/asus_ec_sensors.rst +++ b/Documentation/hwmon/asus_ec_sensors.rst @@ -4,6 +4,7 @@ Kernel driver asus_ec_sensors ================================= Supported boards: + * MAXIMUS VI HERO * PRIME X470-PRO * PRIME X570-PRO * PRIME X670E-PRO WIFI @@ -20,6 +21,7 @@ Supported boards: * ROG CROSSHAIR X670E GENE * ROG MAXIMUS XI HERO * ROG MAXIMUS XI HERO (WI-FI) + * ROG MAXIMUS Z690 FORMULA * ROG STRIX B550-E GAMING * ROG STRIX B550-I GAMING * ROG STRIX X570-E GAMING diff --git a/Documentation/hwmon/ina238.rst b/Documentation/hwmon/ina238.rst index d9f479984420..d1b93cf8627f 100644 --- a/Documentation/hwmon/ina238.rst +++ b/Documentation/hwmon/ina238.rst @@ -14,6 +14,12 @@ Supported chips: Datasheet: https://www.ti.com/lit/gpn/ina238 + * Silergy SQ52206 + + Prefix: 'SQ52206' + + Addresses: I2C 0x40 - 0x4f + Author: Nathan Rossi <nathan.rossi@digi.com> Description @@ -54,3 +60,12 @@ temp1_input Die temperature measurement (mC) temp1_max Maximum die temperature threshold (mC) temp1_max_alarm Maximum die temperature alarm ======================= ======================================================= + +Additional sysfs entries for sq52206 +------------------------------------ + +======================= ======================================================= +energy1_input Energy measurement (mJ) + +power1_input_highest Peak Power (uW) +======================= ======================================================= diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index ffe1a756a4f9..b45bfb4ebf30 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -106,6 +106,8 @@ Hardware Monitoring Kernel Drivers jc42 k10temp k8temp + kbatt + kfan lan966x lineage-pem lm25066 @@ -125,6 +127,7 @@ Hardware Monitoring Kernel Drivers lm95234 lm95245 lochnagar + lt3074 lt7182s ltc2992 ltc2945 @@ -161,6 +164,7 @@ Hardware Monitoring Kernel Drivers max6639 max6650 max6697 + max77705 max8688 mc13783-adc mc34vr500 diff --git a/Documentation/hwmon/kbatt.rst b/Documentation/hwmon/kbatt.rst new file mode 100644 index 000000000000..b72718c5ede3 --- /dev/null +++ b/Documentation/hwmon/kbatt.rst @@ -0,0 +1,60 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver kbatt +=================== + +Supported chips: + + * KEBA battery monitoring controller (IP core in FPGA) + + Prefix: 'kbatt' + +Authors: + + Gerhard Engleder <eg@keba.com> + Petar Bojanic <boja@keba.com> + +Description +----------- + +The KEBA battery monitoring controller is an IP core for FPGAs, which +monitors the health of a coin cell battery. The coin cell battery is +typically used to supply the RTC during power off to keep the current +time. E.g., the CP500 FPGA includes this IP core to monitor the coin cell +battery of PLCs and the corresponding cp500 driver creates an auxiliary +device for the kbatt driver. + +This driver provides information about the coin cell battery health to +user space. Actually the user space shall be informed that the coin cell +battery is nearly empty and needs to be replaced. + +The coin cell battery must be tested actively to get to know if its nearly +empty or not. Therefore, a load is put on the coin cell battery and the +resulting voltage is evaluated. This evaluation is done by some hard wired +analog logic, which compares the voltage to a defined limit. If the +voltage is above the limit, then the coin cell battery is assumed to be +ok. If the voltage is below the limit, then the coin cell battery is +nearly empty (or broken, removed, ...) and shall be replaced by a new one. +The KEBA battery monitoring controller allows to start the test of the +coin cell battery and to get the result if the voltage is above or below +the limit. The actual voltage is not available. Only the information if +the voltage is below a limit is available. + +The test load, which is put on the coin cell battery for the health check, +is similar to the load during power off. Therefore, the lifetime of the +coin cell battery is reduced directly by the duration of each test. To +limit the negative impact to the lifetime the test is limited to at most +once every 10 seconds. The test load is put on the coin cell battery for +100ms. Thus, in worst case the coin cell battery lifetime is reduced by +1% of the uptime or 3.65 days per year. As the coin cell battery lasts +multiple years, this lifetime reduction negligible. + +This driver only provides a single alarm attribute, which is raised when +the coin cell battery is nearly empty. + +====================== ==== =================================================== +Attribute R/W Contents +====================== ==== =================================================== +in0_min_alarm R voltage of coin cell battery under load is below + limit +====================== ==== =================================================== diff --git a/Documentation/hwmon/kfan.rst b/Documentation/hwmon/kfan.rst new file mode 100644 index 000000000000..ce02dddfb4b8 --- /dev/null +++ b/Documentation/hwmon/kfan.rst @@ -0,0 +1,39 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver kfan +================== + +Supported chips: + + * KEBA fan controller (IP core in FPGA) + + Prefix: 'kfan' + +Authors: + + Gerhard Engleder <eg@keba.com> + Petar Bojanic <boja@keba.com> + +Description +----------- + +The KEBA fan controller is an IP core for FPGAs, which monitors the health +and controls the speed of a fan. The fan is typically used to cool the CPU +and the whole device. E.g., the CP500 FPGA includes this IP core to monitor +and control the fan of PLCs and the corresponding cp500 driver creates an +auxiliary device for the kfan driver. + +This driver provides information about the fan health to user space. +The user space shall be informed if the fan is removed or blocked. +Additionally, the speed in RPM is reported for fans with tacho signal. + +For fan control PWM is supported. For PWM 255 equals 100%. None-regulable +fans can be turned on with PWM 255 and turned off with PWM 0. + +====================== ==== =================================================== +Attribute R/W Contents +====================== ==== =================================================== +fan1_fault R Fan fault +fan1_input R Fan tachometer input (in RPM) +pwm1 RW Fan target duty cycle (0..255) +====================== ==== =================================================== diff --git a/Documentation/hwmon/lt3074.rst b/Documentation/hwmon/lt3074.rst new file mode 100644 index 000000000000..234f369153cf --- /dev/null +++ b/Documentation/hwmon/lt3074.rst @@ -0,0 +1,72 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver lt3074 +==================== + +Supported chips: + + * Analog Devices LT3074 + + Prefix: 'lt3074' + + Addresses scanned: - + + Datasheet: https://www.analog.com/en/products/lt3074.html + +Authors: Cedric Encarnacion <cedricjustine.encarnacion@analog.com> + + +Description +----------- + +This driver supports hardware monitoring for Analog Devices LT3074 Linear +Regulator with PMBus interface. + +The LT3074 is a low voltage, ultra-low noise and ultra-fast transient +response linear regulator with PMBus serial interface. PMBus telemetry +feature provides information regarding the output voltage and current, +input voltage, bias voltage and die temperature. + +The driver is a client driver to the core PMBus driver. Please see +Documentation/hwmon/pmbus.rst for details on PMBus client drivers. + +Usage Notes +----------- + +This driver does not auto-detect devices. You will have to instantiate +the devices explicitly. Please see Documentation/i2c/instantiating-devices.rst +for details. + +Platform data support +--------------------- + +The driver supports standard PMBus driver platform data. + +Sysfs entries +------------- + +======================= ======================================================= +in1_label "vin" +in1_input Measured input voltage +in1_max Input overvoltage warning limit +in1_max_alarm Input overvoltage warning status +in1_min Input undervoltage warning limit +in1_min_alarm Input undervoltage warning status +in2_label "vmon" +in2_input Measured bias voltage +in2_max Bias overvoltage warning limit +in2_min Bias undervoltage warning limit +in3_label "vout1" +in3_input Measured output voltage +in3_max Output overvoltage warning limit +in3_max_alarm Output overvoltage warning status +in3_min Output undervoltage warning limit +in3_min_alarm Output undervoltage warning status +curr1_label "iout1" +curr1_input Measured output current. +curr1_crit Output overcurrent fault limit +curr1_crit_alarm Output overcurrent fault status +temp1_input Measured temperature +temp1_max Maximum temperature limit +temp1_max_alarm Overtemperature warning status +======================= ======================================================= diff --git a/Documentation/hwmon/max34440.rst b/Documentation/hwmon/max34440.rst index 162d289f0814..8591a7152ce5 100644 --- a/Documentation/hwmon/max34440.rst +++ b/Documentation/hwmon/max34440.rst @@ -3,6 +3,14 @@ Kernel driver max34440 Supported chips: + * ADI ADPM12160 + + Prefixes: 'adpm12160' + + Addresses scanned: - + + Datasheet: - + * Maxim MAX34440 Prefixes: 'max34440' @@ -67,13 +75,14 @@ Author: Guenter Roeck <linux@roeck-us.net> Description ----------- -This driver supports hardware monitoring for Maxim MAX34440 PMBus 6-Channel -Power-Supply Manager, MAX34441 PMBus 5-Channel Power-Supply Manager -and Intelligent Fan Controller, and MAX34446 PMBus Power-Supply Data Logger. -It also supports the MAX34451, MAX34460, and MAX34461 PMBus Voltage Monitor & -Sequencers. The MAX34451 supports monitoring voltage or current of 12 channels -based on GIN pins. The MAX34460 supports 12 voltage channels, and the MAX34461 -supports 16 voltage channels. +This driver supports multiple devices: hardware monitoring for Maxim MAX34440 +PMBus 6-Channel Power-Supply Manager, MAX34441 PMBus 5-Channel Power-Supply +Manager and Intelligent Fan Controller, and MAX34446 PMBus Power-Supply Data +Logger; PMBus Voltage Monitor and Sequencers for MAX34451, MAX34460, and +MAX34461; PMBus DC/DC Power Module ADPM12160. The MAX34451 supports monitoring +voltage or current of 12 channels based on GIN pins. The MAX34460 supports 12 +voltage channels, and the MAX34461 supports 16 voltage channels. The ADPM1260 +also monitors both input and output of voltage and current. The driver is a client driver to the core PMBus driver. Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers. @@ -128,7 +137,10 @@ in[1-6]_highest Historical maximum voltage. in[1-6]_reset_history Write any value to reset history. ======================= ======================================================= -.. note:: MAX34446 only supports in[1-4]. +.. note:: + + - MAX34446 only supports in[1-4]. + - ADPM12160 only supports in[1-2]. Label is "vin1" and "vout1" respectively. Curr ~~~~ @@ -150,6 +162,7 @@ curr[1-6]_reset_history Write any value to reset history. - in6 and curr6 attributes only exist for MAX34440. - MAX34446 only supports curr[1-4]. + - For ADPM12160, curr[1] is "iin1" and curr[2-6] are "iout[1-5]. Power ~~~~~ @@ -185,6 +198,7 @@ temp[1-8]_reset_history Write any value to reset history. .. note:: - temp7 and temp8 attributes only exist for MAX34440. - MAX34446 only supports temp[1-3]. + - ADPM12160 only supports temp[1]. .. note:: diff --git a/Documentation/hwmon/max77705.rst b/Documentation/hwmon/max77705.rst new file mode 100644 index 000000000000..4a7680a340e1 --- /dev/null +++ b/Documentation/hwmon/max77705.rst @@ -0,0 +1,39 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver max77705 +====================== + +Supported chips: + + * Maxim Integrated MAX77705 + + Prefix: 'max77705' + + Addresses scanned: none + + Datasheet: Not available + +Authors: + - Dzmitry Sankouski <dsankouski@gmail.com> + +Description +----------- + +The MAX77705 PMIC provides current and voltage measurements besides fuelgauge: +- chip input current +- system bus current and voltage +- VBYP voltage + +Sysfs Attributes +---------------- + +================= ======================================== +in1_label "vbyp" +in1_input Measured chip vbyp voltage +in2_label "vsys" +in2_input Measured chip system bus voltage +curr1_label "iin" +curr1_input Measured chip input current. +curr2_label "isys" +curr2_input Measured chip system bus current. +================= ======================================== diff --git a/Documentation/hwmon/mpq8785.rst b/Documentation/hwmon/mpq8785.rst index bf8176b87086..198d5dfd7c30 100644 --- a/Documentation/hwmon/mpq8785.rst +++ b/Documentation/hwmon/mpq8785.rst @@ -5,6 +5,8 @@ Kernel driver mpq8785 Supported chips: + * MPS MPM3695 family + * MPS MPM82504 * MPS MPQ8785 Prefix: 'mpq8785' @@ -14,6 +16,22 @@ Author: Charles Hsu <ythsu0511@gmail.com> Description ----------- +The MPM3695 family is a scalable, ultra-thin, fully integrated power module with +a PMBus interface. It offers a complete power solution that achieves up to +10A (-10 variant), 20A (-25 variant), 25A (-20 variant), 100A (-100 variant) +of output current with excellent load and line regulation across a wide input +voltage range. It operates at high efficiency over a wide load range, and can +be parallled to deliver higher current. Variants -10,-20 and -100 have different +voltage scale configuration register range (10 bits) than -25 version (11 bits). + +The MPM82504 is a quad 25A, scalable, fully integrated power module with a PMBus +interface. The device offers a complete power solution that achieves up to 25A +per output channel. The MPM82504 has four output channels that can be paralleled +to provide 50A, 75A, or 100A of output current for flexible configurations. +The device can also operate in parallel with the MPM3695-100 and additional +MPM82504 devices to provide a higher output current. The MPM82504 operates +at high efficiency across a wide load range. + The MPQ8785 is a fully integrated, PMBus-compatible, high-frequency, synchronous buck converter. The MPQ8785 offers a very compact solution that achieves up to 40A output current per phase, with excellent load and line regulation over a @@ -23,19 +41,16 @@ output current load range. The PMBus interface provides converter configurations and key parameters monitoring. -The MPQ8785 adopts MPS's proprietary multi-phase digital constant-on-time (MCOT) +The devices adopts MPS's proprietary multi-phase digital constant-on-time (MCOT) control, which provides fast transient response and eases loop stabilization. -The MCOT scheme also allows multiple MPQ8785 devices to be connected in parallel -with excellent current sharing and phase interleaving for high-current +The MCOT scheme also allows multiple devices or channels to be connected in +parallel with excellent current sharing and phase interleaving for high-current applications. Fully integrated protection features include over-current protection (OCP), over-voltage protection (OVP), under-voltage protection (UVP), and over-temperature protection (OTP). -The MPQ8785 requires a minimal number of readily available, standard external -components, and is available in a TLGA (5mmx6mm) package. - Device compliant with: - PMBus rev 1.3 interface. |