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Signed-off-by: Florin Leotescu Reviewed-by: Frank Li --- .../bindings/hwmon/microchip,emc2305.yaml | 104 ++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml diff --git a/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml new file mode 100644 index 000000000000..3107fcafcf6a --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml @@ -0,0 +1,104 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: http://devicetree.org/schemas/hwmon/microchip,emc2305.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip EMC2305 SMBus compliant PWM fan controller + +maintainers: + - Michael Shych + +description: + Microchip EMC2301/2/3/5 pwm controller which supports + up to five programmable fan control circuits. + +properties: + compatible: + oneOf: + - enum: + - microchip,emc2305 + - items: + - enum: + - microchip,emc2303 + - microchip,emc2302 + - microchip,emc2301 + - const: microchip,emc2305 + + reg: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + '#pwm-cells': + const: 2 + +patternProperties: + "^fan@[0-4]$": + $ref: fan-common.yaml# + unevaluatedProperties: false + properties: + reg: + description: + The fan number. + + required: + - reg + - pwms + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + fan_controller: fan-controller@2f { + compatible = "microchip,emc2305"; + reg = <0x2f>; + #address-cells = <1>; + #size-cells = <0>; + #pwm-cells = <2>; + + fan@0 { + #cooling-cells = <2>; + reg = <0x0>; + pwms = <&fan_controller 1 1>; + }; + + fan@1 { + #cooling-cells = <2>; + reg = <0x1>; + pwms = <&fan_controller 1 1>; + }; + + fan@2 { + #cooling-cells = <2>; + reg = <0x2>; + pwms = <&fan_controller 1 1>; + }; + + fan@3 { + #cooling-cells = <2>; + reg = <0x3>; + pwms = <&fan_controller 1 1>; + }; + + fan@4 { + #cooling-cells = <2>; + reg = <0x4>; + pwms = <&fan_controller 1 1>; + }; + }; + }; +...