From: Marcello Sylvester Bauer <sylv@xxxxxxx> Add binding documentation for Maxim MAX6639 fan-speed controller. Signed-off-by: Marcello Sylvester Bauer <sylv@xxxxxxx> Signed-off-by: Naresh Solanki <Naresh.Solanki@xxxxxxxxxxxxx> --- Changes in V3: - Update title - Add pulses-per-revolution, supplies & interrupts Changes in V2: - Update subject - Drop blank lines --- .../bindings/hwmon/maxim,max6639.yaml | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/maxim,max6639.yaml diff --git a/Documentation/devicetree/bindings/hwmon/maxim,max6639.yaml b/Documentation/devicetree/bindings/hwmon/maxim,max6639.yaml new file mode 100644 index 000000000000..b3292061ca58 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/maxim,max6639.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/maxim,max6639.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX6639 Fan Controller + +maintainers: + - Naresh Solanki <Naresh.Solanki@xxxxxxxxxxxxx> + +description: | + The MAX6639 is a 2-channel temperature monitor with dual, automatic, PWM + fan-speed controller. It monitors its own temperature and one external + diode-connected transistor or the temperatures of two external diode-connected + transistors, typically available in CPUs, FPGAs, or GPUs. + + Datasheets: + https://datasheets.maximintegrated.com/en/ds/MAX6639-MAX6639F.pdf + +properties: + compatible: + enum: + - maxim,max6639 + + reg: + maxItems: 1 + + fan-supply: + description: Phandle to the regulator that provides power to the fan. + + interrupts: + maxItems: 1 + + pulses-per-revolution: + description: + Define the number of pulses per fan revolution for each tachometer + input as an integer. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 3, 4] + default: 2 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + fan-controller@10 { + compatible = "maxim,max6639"; + reg = <0x10>; + }; + }; +... base-commit: cb7022b8976e3c4d12cea2e7bb820a2944e2fd7b -- 2.41.0
