diff options
Diffstat (limited to 'Documentation/devicetree/bindings/hwmon')
17 files changed, 488 insertions, 18 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml b/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml index 2e45364d0..be7e9e91a 100644 --- a/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml +++ b/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml @@ -46,7 +46,10 @@ required: - compatible - reg -additionalProperties: false +allOf: + - $ref: hwmon-common.yaml# + +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/hwmon/adi,adm1275.yaml b/Documentation/devicetree/bindings/hwmon/adi,adm1275.yaml index ab87f51c5..b68061294 100644 --- a/Documentation/devicetree/bindings/hwmon/adi,adm1275.yaml +++ b/Documentation/devicetree/bindings/hwmon/adi,adm1275.yaml @@ -33,10 +33,6 @@ properties: reg: maxItems: 1 - shunt-resistor-micro-ohms: - description: - Shunt resistor value in micro-Ohm. - adi,volt-curr-sample-average: description: | Number of samples to be used to report voltage and current values. @@ -50,6 +46,7 @@ properties: enum: [1, 2, 4, 8, 16, 32, 64, 128] allOf: + - $ref: hwmon-common.yaml# - if: properties: compatible: @@ -107,7 +104,7 @@ required: - compatible - reg -additionalProperties: false +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/hwmon/adi,ltc2945.yaml b/Documentation/devicetree/bindings/hwmon/adi,ltc2945.yaml index 5cb66e97e..6401b0a9a 100644 --- a/Documentation/devicetree/bindings/hwmon/adi,ltc2945.yaml +++ b/Documentation/devicetree/bindings/hwmon/adi,ltc2945.yaml @@ -31,7 +31,10 @@ required: - compatible - reg -additionalProperties: false +allOf: + - $ref: hwmon-common.yaml# + +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/hwmon/adi,ltc4282.yaml b/Documentation/devicetree/bindings/hwmon/adi,ltc4282.yaml new file mode 100644 index 000000000..4854b95a9 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/adi,ltc4282.yaml @@ -0,0 +1,159 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/adi,ltc4282.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices LTC4282 I2C High Current Hot Swap Controller over I2C + +maintainers: + - Nuno Sa <nuno.sa@analog.com> + +description: | + Analog Devices LTC4282 I2C High Current Hot Swap Controller over I2C. + + https://www.analog.com/media/en/technical-documentation/data-sheets/ltc4282.pdf + +properties: + compatible: + enum: + - adi,ltc4282 + + reg: + maxItems: 1 + + vdd-supply: true + + clocks: + maxItems: 1 + + '#clock-cells': + const: 0 + + adi,rsense-nano-ohms: + description: Value of the sense resistor. + + adi,vin-mode-microvolt: + description: + Selects operating range for the Undervoltage, Overvoltage and Foldback + pins. Also for the ADC. Should be set to the nominal input voltage. + enum: [3300000, 5000000, 12000000, 24000000] + default: 12000000 + + adi,fet-bad-timeout-ms: + description: + From the moment a FET bad conditions is present, this property selects the + wait time/timeout for a FET-bad fault to be signaled. Setting this to 0, + disables FET bad faults to be reported. + default: 255 + maximum: 255 + + adi,overvoltage-dividers: + description: | + Select which dividers to use for VDD Overvoltage detection. Note that + when the internal dividers are used the threshold is referenced to VDD. + The percentages in the datasheet are misleading since the actual values + to look for are in the "Absolute Maximum Ratings" table in the + "Comparator Inputs" section. In there there's a line for each of the 5%, + 10% and 15% settings with the actual min, typical and max tolerances. + $ref: /schemas/types.yaml#/definitions/string + enum: [external, vdd_5_percent, vdd_10_percent, vdd_15_percent] + default: external + + adi,undervoltage-dividers: + description: | + Select which dividers to use for VDD Overvoltage detection. Note that + when the internal dividers are used the threshold is referenced to VDD. + The percentages in the datasheet are misleading since the actual values + to look for are in the "Absolute Maximum Ratings" table in the + "Comparator Inputs" section. In there there's a line for each of the 5%, + 10% and 15% settings with the actual min, typical and max tolerances. + $ref: /schemas/types.yaml#/definitions/string + enum: [external, vdd_5_percent, vdd_10_percent, vdd_15_percent] + default: external + + adi,current-limit-sense-microvolt: + description: + The current limit sense voltage of the chip is adjustable between + 12.5mV and 34.4mV in 3.1mV steps. This effectively limits the current + on the load. + enum: [12500, 15625, 18750, 21875, 25000, 28125, 31250, 34375] + default: 25000 + + adi,overcurrent-retry: + description: + If set, enables the chip to auto-retry 256 timer cycles after an + Overcurrent fault. + type: boolean + + adi,overvoltage-retry-disable: + description: + If set, disables the chip to auto-retry 50ms after an Overvoltage fault. + It's enabled by default. + type: boolean + + adi,undervoltage-retry-disable: + description: + If set, disables the chip to auto-retry 50ms after an Undervoltage fault. + It's enabled by default. + type: boolean + + adi,fault-log-enable: + description: + If set, enables the FAULT_LOG and ADC_ALERT_LOG registers to be written + to the EEPROM when a fault bit transitions high and hence, will be + available after a power cycle (the chip loads the contents of + the EE_FAULT_LOG register - the one in EEPROM - into FAULT_LOG at boot). + type: boolean + + adi,gpio1-mode: + description: Defines the function of the Pin. It can indicate that power is + good (PULL the pin low when power is not good) or that power is bad (Go + into high-z when power is not good). + $ref: /schemas/types.yaml#/definitions/string + enum: [power_bad, power_good] + default: power_good + + adi,gpio2-mode: + description: Defines the function of the Pin. It can be set as the input for + the ADC or indicating that the MOSFET is in stress (dissipating power). + $ref: /schemas/types.yaml#/definitions/string + enum: [adc_input, stress_fet] + default: adc_input + + adi,gpio3-monitor-enable: + description: If set, gpio3 is set as input for the ADC instead of gpio2. + type: boolean + +allOf: + - if: + required: + - adi,gpio3-monitor-enable + then: + properties: + adi,gpio2-mode: + const: stress_fet + +required: + - compatible + - reg + - adi,rsense-nano-ohms + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + hwmon@50 { + compatible = "adi,ltc4282"; + reg = <0x50>; + adi,rsense-nano-ohms = <500>; + + adi,gpio1-mode = "power_good"; + adi,gpio2-mode = "adc_input"; + }; + }; +... diff --git a/Documentation/devicetree/bindings/hwmon/amphenol,chipcap2.yaml b/Documentation/devicetree/bindings/hwmon/amphenol,chipcap2.yaml new file mode 100644 index 000000000..17351fdbe --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/amphenol,chipcap2.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/amphenol,chipcap2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ChipCap 2 humidity and temperature iio sensor + +maintainers: + - Javier Carrasco <javier.carrasco.cruz@gmail.com> + +description: | + Relative humidity and temperature sensor on I2C bus. + + Datasheets: + https://www.amphenol-sensors.com/en/telaire/humidity/527-humidity-sensors/3095-chipcap-2 + +properties: + compatible: + oneOf: + - const: amphenol,cc2d23 + - items: + - enum: + - amphenol,cc2d23s + - amphenol,cc2d25 + - amphenol,cc2d25s + - amphenol,cc2d33 + - amphenol,cc2d33s + - amphenol,cc2d35 + - amphenol,cc2d35s + - const: amphenol,cc2d23 + + reg: + maxItems: 1 + + interrupts: + items: + - description: measurement ready indicator + - description: low humidity alarm + - description: high humidity alarm + + interrupt-names: + items: + - const: ready + - const: low + - const: high + + vdd-supply: + description: + Dedicated, controllable supply-regulator to reset the device and + enter in command mode. + +required: + - compatible + - reg + - vdd-supply + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + humidity@28 { + compatible = "amphenol,cc2d23s", "amphenol,cc2d23"; + reg = <0x28>; + interrupt-parent = <&gpio>; + interrupts = <4 IRQ_TYPE_EDGE_RISING>, + <5 IRQ_TYPE_EDGE_RISING>, + <6 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "ready", "low", "high"; + vdd-supply = <®_vdd>; + }; + }; diff --git a/Documentation/devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml b/Documentation/devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml new file mode 100644 index 000000000..9e5ed901a --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2023 Aspeed, Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/aspeed,g6-pwm-tach.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED G6 PWM and Fan Tach controller + +maintainers: + - Billy Tsai <billy_tsai@aspeedtech.com> + +description: | + The ASPEED PWM controller can support up to 16 PWM outputs. + The ASPEED Fan Tacho controller can support up to 16 fan tach input. + They are independent hardware blocks, which are different from the + previous version of the ASPEED chip. + +properties: + compatible: + enum: + - aspeed,ast2600-pwm-tach + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + "#pwm-cells": + const: 3 + +patternProperties: + "^fan-[0-9]+$": + $ref: fan-common.yaml# + unevaluatedProperties: false + required: + - tach-ch + +required: + - reg + - clocks + - resets + - "#pwm-cells" + - compatible + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/aspeed-clock.h> + pwm_tach: pwm-tach-controller@1e610000 { + compatible = "aspeed,ast2600-pwm-tach"; + reg = <0x1e610000 0x100>; + clocks = <&syscon ASPEED_CLK_AHB>; + resets = <&syscon ASPEED_RESET_PWM>; + #pwm-cells = <3>; + + fan-0 { + tach-ch = /bits/ 8 <0x0>; + pwms = <&pwm_tach 0 40000 0>; + }; + + fan-1 { + tach-ch = /bits/ 8 <0x1 0x2>; + pwms = <&pwm_tach 1 40000 0>; + }; + }; diff --git a/Documentation/devicetree/bindings/hwmon/fan-common.yaml b/Documentation/devicetree/bindings/hwmon/fan-common.yaml new file mode 100644 index 000000000..0fb738081 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/fan-common.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/fan-common.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Common Fan Properties + +maintainers: + - Naresh Solanki <naresh.solanki@9elements.com> + - Billy Tsai <billy_tsai@aspeedtech.com> + +properties: + max-rpm: + description: + Max RPM supported by fan. + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 100000 + + min-rpm: + description: + Min RPM supported by fan. + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 1000 + + pulses-per-revolution: + description: + The number of pulse from fan sensor per revolution. + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 4 + + tach-div: + description: + Divisor for the tach sampling clock, which determines the sensitivity of the tach pin. + $ref: /schemas/types.yaml#/definitions/uint32 + + target-rpm: + description: + The default desired fan speed in RPM. + $ref: /schemas/types.yaml#/definitions/uint32 + + fan-driving-mode: + description: + Select the driving mode of the fan.(DC, PWM and so on) + $ref: /schemas/types.yaml#/definitions/string + enum: [ dc, pwm ] + + pwms: + description: + PWM provider. + maxItems: 1 + + "#cooling-cells": + const: 2 + + cooling-levels: + description: + The control value which correspond to thermal cooling states. + $ref: /schemas/types.yaml#/definitions/uint32-array + + tach-ch: + description: + The tach channel used for the fan. + $ref: /schemas/types.yaml#/definitions/uint8-array + + label: + description: + Optional fan label + + fan-supply: + description: + Power supply for fan. + + reg: + maxItems: 1 + +additionalProperties: true + +... diff --git a/Documentation/devicetree/bindings/hwmon/hwmon-common.yaml b/Documentation/devicetree/bindings/hwmon/hwmon-common.yaml new file mode 100644 index 000000000..dc86b5c72 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/hwmon-common.yaml @@ -0,0 +1,19 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/hwmon-common.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Hardware Monitoring Devices Common Properties + +maintainers: + - Guenter Roeck <linux@roeck-us.net> + +properties: + label: + description: A descriptive name for this device. + + shunt-resistor-micro-ohms: + description: The value of current sense resistor. + +additionalProperties: true diff --git a/Documentation/devicetree/bindings/hwmon/lltc,ltc4151.yaml b/Documentation/devicetree/bindings/hwmon/lltc,ltc4151.yaml index e62aff670..8f0095bb7 100644 --- a/Documentation/devicetree/bindings/hwmon/lltc,ltc4151.yaml +++ b/Documentation/devicetree/bindings/hwmon/lltc,ltc4151.yaml @@ -25,7 +25,10 @@ required: - compatible - reg -additionalProperties: false +allOf: + - $ref: hwmon-common.yaml# + +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml b/Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml index 98ca163d3..853df9fef 100644 --- a/Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml +++ b/Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml @@ -25,15 +25,14 @@ properties: The default is 102.4 volts. type: boolean - shunt-resistor-micro-ohms: - description: - Resistor value micro-ohms. - required: - compatible - reg -additionalProperties: false +allOf: + - $ref: hwmon-common.yaml# + +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/hwmon/lm75.yaml b/Documentation/devicetree/bindings/hwmon/lm75.yaml index ed269e428..29bd7460c 100644 --- a/Documentation/devicetree/bindings/hwmon/lm75.yaml +++ b/Documentation/devicetree/bindings/hwmon/lm75.yaml @@ -57,6 +57,7 @@ required: - reg allOf: + - $ref: hwmon-common.yaml# - if: not: properties: @@ -71,7 +72,7 @@ allOf: properties: interrupts: false -additionalProperties: false +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/hwmon/nuvoton,nct6775.yaml b/Documentation/devicetree/bindings/hwmon/nuvoton,nct6775.yaml index 358b26243..e3db64287 100644 --- a/Documentation/devicetree/bindings/hwmon/nuvoton,nct6775.yaml +++ b/Documentation/devicetree/bindings/hwmon/nuvoton,nct6775.yaml @@ -25,6 +25,7 @@ properties: - nuvoton,nct6796 - nuvoton,nct6797 - nuvoton,nct6798 + - nuvoton,nct6799 reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml index ded1c1157..5c4e52b47 100644 --- a/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml +++ b/Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml @@ -30,6 +30,23 @@ properties: unconnected(has internal pull-down). type: boolean + interrupts: + maxItems: 1 + + regulators: + type: object + description: + list of regulators provided by this controller. + + properties: + vout: + $ref: /schemas/regulator/regulator.yaml# + type: object + + unevaluatedProperties: false + + additionalProperties: false + required: - compatible - reg @@ -38,6 +55,7 @@ additionalProperties: false examples: - | + #include <dt-bindings/interrupt-controller/irq.h> i2c { #address-cells = <1>; #size-cells = <0>; @@ -45,5 +63,15 @@ examples: tda38640@40 { compatible = "infineon,tda38640"; reg = <0x40>; + + interrupt-parent = <&smb_pex_cpu0_event>; + interrupts = <10 IRQ_TYPE_LEVEL_LOW>; + + regulators { + pvnn_main_cpu0: vout { + regulator-name = "pvnn_main_cpu0"; + regulator-enable-ramp-delay = <200>; + }; + }; }; }; diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/ti,lm25066.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/ti,lm25066.yaml index da8292bc3..a20f140dc 100644 --- a/Documentation/devicetree/bindings/hwmon/pmbus/ti,lm25066.yaml +++ b/Documentation/devicetree/bindings/hwmon/pmbus/ti,lm25066.yaml @@ -34,11 +34,26 @@ properties: Shunt (sense) resistor value in micro-Ohms default: 1000 + regulators: + type: object + + properties: + vout: + $ref: /schemas/regulator/regulator.yaml# + type: object + + unevaluatedProperties: false + + additionalProperties: false + required: - compatible - reg -additionalProperties: false +allOf: + - $ref: /schemas/hwmon/hwmon-common.yaml# + +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml b/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml index 378d1f6ae..df86c2c92 100644 --- a/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml +++ b/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml @@ -28,10 +28,14 @@ properties: - ti,ina231 - ti,ina237 - ti,ina238 + - ti,ina260 reg: maxItems: 1 + "#io-channel-cells": + const: 1 + shunt-resistor: description: Shunt resistor value in micro-Ohm. @@ -66,7 +70,10 @@ required: - compatible - reg -additionalProperties: false +allOf: + - $ref: hwmon-common.yaml# + +unevaluatedProperties: false examples: - | @@ -77,6 +84,8 @@ examples: power-sensor@44 { compatible = "ti,ina220"; reg = <0x44>; + #io-channel-cells = <1>; + label = "vdd_3v0"; shunt-resistor = <1000>; vs-supply = <&vdd_3v0>; }; diff --git a/Documentation/devicetree/bindings/hwmon/ti,tmp513.yaml b/Documentation/devicetree/bindings/hwmon/ti,tmp513.yaml index cdd1489e0..227858e76 100644 --- a/Documentation/devicetree/bindings/hwmon/ti,tmp513.yaml +++ b/Documentation/devicetree/bindings/hwmon/ti,tmp513.yaml @@ -72,7 +72,10 @@ required: - compatible - reg -additionalProperties: false +allOf: + - $ref: hwmon-common.yaml# + +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/hwmon/ti,tps23861.yaml b/Documentation/devicetree/bindings/hwmon/ti,tps23861.yaml index ebc8d466c..f58248c29 100644 --- a/Documentation/devicetree/bindings/hwmon/ti,tps23861.yaml +++ b/Documentation/devicetree/bindings/hwmon/ti,tps23861.yaml @@ -35,7 +35,10 @@ required: - compatible - reg -additionalProperties: false +allOf: + - $ref: hwmon-common.yaml# + +unevaluatedProperties: false examples: - | |