diff options
Diffstat (limited to 'Documentation/devicetree')
4 files changed, 166 insertions, 12 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/adi,axi-fan-control.yaml b/Documentation/devicetree/bindings/hwmon/adi,axi-fan-control.yaml new file mode 100644 index 000000000000..57a240d2d026 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/adi,axi-fan-control.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2019 Analog Devices Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bindings/hwmon/adi,axi-fan-control.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AXI FAN Control Device Tree Bindings + +maintainers: + - Nuno Sá <nuno.sa@analog.com> + +description: |+ + Bindings for the Analog Devices AXI FAN Control driver. Spefications of the + core can be found in: + + https://wiki.analog.com/resources/fpga/docs/axi_fan_control + +properties: + compatible: + enum: + - adi,axi-fan-control-1.00.a + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + + pulses-per-revolution: + description: + Value specifying the number of pulses per revolution of the controlled + FAN. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 4] + +required: + - compatible + - reg + - clocks + - interrupts + - pulses-per-revolution + +examples: + - | + fpga_axi: fpga-axi@0 { + #address-cells = <0x2>; + #size-cells = <0x1>; + + axi_fan_control: axi-fan-control@80000000 { + compatible = "adi,axi-fan-control-1.00.a"; + reg = <0x0 0x80000000 0x10000>; + clocks = <&clk 71>; + interrupts = <0 110 0>; + pulses-per-revolution = <2>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/hwmon/adt7475.yaml b/Documentation/devicetree/bindings/hwmon/adt7475.yaml new file mode 100644 index 000000000000..76985034ea73 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/adt7475.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/adt7475.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ADT7475 hwmon sensor + +maintainers: + - Jean Delvare <jdelvare@suse.com> + +description: | + The ADT7473, ADT7475, ADT7476, and ADT7490 are thermal monitors and multiple + PWN fan controllers. + + They support monitoring and controlling up to four fans (the ADT7490 can only + control up to three). They support reading a single on chip temperature + sensor and two off chip temperature sensors (the ADT7490 additionally + supports measuring up to three current external temperature sensors with + series resistance cancellation (SRC)). + + Datasheets: + https://www.onsemi.com/pub/Collateral/ADT7473-D.PDF + https://www.onsemi.com/pub/Collateral/ADT7475-D.PDF + https://www.onsemi.com/pub/Collateral/ADT7476-D.PDF + https://www.onsemi.com/pub/Collateral/ADT7490-D.PDF + + Description taken from onsemiconductors specification sheets, with minor + rephrasing. + +properties: + compatible: + enum: + - adi,adt7473 + - adi,adt7475 + - adi,adt7476 + - adi,adt7490 + + reg: + maxItems: 1 + +patternProperties: + "^adi,bypass-attenuator-in[0-4]$": + description: | + Configures bypassing the individual voltage input attenuator. If + set to 1 the attenuator is bypassed if set to 0 the attenuator is + not bypassed. If the property is absent then the attenuator + retains it's configuration from the bios/bootloader. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [0, 1] + + "^adi,pwm-active-state$": + description: | + Integer array, represents the active state of the pwm outputs If set to 0 + the pwm uses a logic low output for 100% duty cycle. If set to 1 the pwm + uses a logic high output for 100% duty cycle. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32-array + - minItems: 3 + maxItems: 3 + items: + enum: [0, 1] + default: 1 + +required: + - compatible + - reg + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + hwmon@2e { + compatible = "adi,adt7476"; + reg = <0x2e>; + adi,bypass-attenuator-in0 = <1>; + adi,bypass-attenuator-in1 = <0>; + adi,pwm-active-state = <1 0 1>; + }; + }; + diff --git a/Documentation/devicetree/bindings/hwmon/ltc2978.txt b/Documentation/devicetree/bindings/hwmon/ltc2978.txt index b428a70a7cc0..4e7f6215a453 100644 --- a/Documentation/devicetree/bindings/hwmon/ltc2978.txt +++ b/Documentation/devicetree/bindings/hwmon/ltc2978.txt @@ -2,20 +2,30 @@ ltc2978 Required properties: - compatible: should contain one of: + * "lltc,ltc2972" * "lltc,ltc2974" * "lltc,ltc2975" * "lltc,ltc2977" * "lltc,ltc2978" + * "lltc,ltc2979" * "lltc,ltc2980" * "lltc,ltc3880" * "lltc,ltc3882" * "lltc,ltc3883" + * "lltc,ltc3884" * "lltc,ltc3886" * "lltc,ltc3887" + * "lltc,ltc3889" + * "lltc,ltc7880" * "lltc,ltm2987" + * "lltc,ltm4664" * "lltc,ltm4675" * "lltc,ltm4676" + * "lltc,ltm4677" + * "lltc,ltm4678" + * "lltc,ltm4680" * "lltc,ltm4686" + * "lltc,ltm4700" - reg: I2C slave address Optional properties: @@ -25,13 +35,17 @@ Optional properties: standard binding for regulators; see regulator.txt. Valid names of regulators depend on number of supplies supported per device: + * ltc2972 vout0 - vout1 * ltc2974, ltc2975 : vout0 - vout3 - * ltc2977, ltc2980, ltm2987 : vout0 - vout7 + * ltc2977, ltc2979, ltc2980, ltm2987 : vout0 - vout7 * ltc2978 : vout0 - vout7 - * ltc3880, ltc3882, ltc3886 : vout0 - vout1 + * ltc3880, ltc3882, ltc3884, ltc3886, ltc3887, ltc3889 : vout0 - vout1 + * ltc7880 : vout0 - vout1 * ltc3883 : vout0 - * ltm4676 : vout0 - vout1 - * ltm4686 : vout0 - vout1 + * ltm4664 : vout0 - vout1 + * ltm4675, ltm4676, ltm4677, ltm4678 : vout0 - vout1 + * ltm4680, ltm4686 : vout0 - vout1 + * ltm4700 : vout0 - vout1 Example: ltc2978@5e { diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml index 978de7d37c66..330cab25cc92 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -34,14 +34,6 @@ properties: - adi,adt7461 # +/-1C TDM Extended Temp Range I.C - adt7461 - # +/-1C TDM Extended Temp Range I.C - - adi,adt7473 - # +/-1C TDM Extended Temp Range I.C - - adi,adt7475 - # +/-1C TDM Extended Temp Range I.C - - adi,adt7476 - # +/-1C TDM Extended Temp Range I.C - - adi,adt7490 # Three-Axis Digital Accelerometer - adi,adxl345 # Three-Axis Digital Accelerometer (backward-compatibility value "adi,adxl345" must be listed too) @@ -350,6 +342,8 @@ properties: - ti,ads7830 # Temperature Monitoring and Fan Control - ti,amc6821 + # Temperature sensor with 2-wire interface + - ti,lm73 # Temperature sensor with integrated fan control - ti,lm96000 # I2C Touch-Screen Controller |