From: Florin Leotescu <florin.leotescu@xxxxxxx> Add yaml-based Device Tree bindings documentation for emc2305 driver The file provides the necessary structure, configuration and other parameters for Device Tree definition. Signed-off-by: Florin Leotescu <florin.leotescu@xxxxxxx> --- .../devicetree/bindings/hwmon/emc2305.yaml | 95 +++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/emc2305.yaml diff --git a/Documentation/devicetree/bindings/hwmon/emc2305.yaml b/Documentation/devicetree/bindings/hwmon/emc2305.yaml new file mode 100644 index 000000000000..51e2a82d8f25 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/emc2305.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/emc2305.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: EMC2305 i2c pwm fan controller + +maintainers: + - Michael Shych <michaelsh@xxxxxxxxxx> + +description: | + The driver implements support for Microchip EMC2301/2/3/5 PWM Fan Controller. + The EMC2301 Fan Controller supports only one controlled PWM fan channel. + The EMC2305 Fan Controller supports up to 5 independently + controlled PWM fan drives. + +properties: + compatible: + enum: + - hwmon,emc2301 + - hwmon,emc2302 + - hwmon,emc2303 + - hwmon,emc2305 + + reg: + description: I2C address of the emc2305 device + + pwm_output: + description: "PWM output type Push-Pull/ Open Drain" + maxItems: 1 + + pwm_polarity: + description: "PWM polarity" + maxItems: 1 + + '#cooling-cells': + description: "cooling state range" + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + thermal_zones { + a55-thermal { + trips { + atrip0: trip0 { + temperature = <55000>; + hysteresis = <2000>; + type = "active"; + }; + + atrip1: trip1 { + temperature = <65000>; + hysteresis = <2000>; + type = "active"; + }; + + atrip2: trip2 { + temperature = <75000>; + hysteresis = <2000>; + type = "active"; + }; + }; + + cooling-maps { + map1 { + trip = <&atrip0>; + cooling-device = <&emc2301 4 6>; + }; + + map2 { + trip = <&atrip1>; + cooling-device = <&emc2301 6 8>; + }; + + map3 { + trip = <&atrip2>; + cooling-device = <&emc2301 8 10>; + }; + }; + }; + + } + emc2301: pwm@2f { + compatible = "hwmon,emc2301"; + reg = <0x2f>; + #cooling-cells = <2>; + pwm_output = <0x1>; + pwm_polarity = <0x1>; + }; -- 2.34.1
