9dc406c3ad
Add a bindings file for max31760 fan controller. Change-Id: Id6d885d3678a6ffb1b1797b85e37dae121b66fa8 Signed-off-by: Minghao Zhang <quic_minghao@quicinc.com>
73 lines
1.7 KiB
YAML
73 lines
1.7 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/thermal/max31760.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Maxim MAX31760 Intelligent Fan Controller
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maintainers:
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- Minghao Zhang <quic_minghao@quicinc.com>
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description:
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The Maxim MAX31760 is a i2c device providing closed-loop, multi-channel
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fan management with temperature. Various fan control features are
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provided, including PWM frequency control, temperature hysteresis, dual
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tachometer measurements, and fan health monitoring.
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properties:
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compatible:
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enum:
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- maxim,max31760
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reg:
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maxItems: 1
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'#cooling-cells':
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const: 2
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description: |
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Must be 2. Needed for of_thermal as cooling device identifier.
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Please refer to <devicetree/bindings/thermal/thermal.txt> for
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more details.
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maxim,fan-num:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: |
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The quantity of fans connecting to max31760. This chip maximum supports 2.
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maxim,vdd-supply:
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description: |
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Regulator for VDD power.
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maxim,vcca-supply:
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description: |
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Regulator for VCCA power.
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regulator-names:
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description: |
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List of strings to use with the (.*)-supply property.
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maxim,pwr-en-gpio:
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description: |
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Power enablement pin.
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required:
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- compatible
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- reg
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- '#cooling-cells'
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additionalProperties: false
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examples:
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- |
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max31760@50 {
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compatible = "maxim,max31760";
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reg = <0x50 0x1>;
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#cooling-cells = <2>;
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maxim,fan-num = <1>;
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maxim,vdd-supply = <&some_reg>;
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maxim,vcca-supply = <&some_reg>;
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regulator-names = "maxim,vdd", "maxim,vcca";
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maxim,pwr-en-gpio = <&some_gpio>;
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};
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