93 lines
1.9 KiB
YAML
93 lines
1.9 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/hwmon/maxim,max6639.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Maxim max6639
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maintainers:
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- Naresh Solanki <naresh.solanki@9elements.com>
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description: |
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The MAX6639 is a 2-channel temperature monitor with dual, automatic, PWM
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fan-speed controller. It monitors its own temperature and one external
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diode-connected transistor or the temperatures of two external diode-connected
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transistors, typically available in CPUs, FPGAs, or GPUs.
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Datasheets:
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https://datasheets.maximintegrated.com/en/ds/MAX6639-MAX6639F.pdf
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properties:
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compatible:
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enum:
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- maxim,max6639
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reg:
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maxItems: 1
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'#address-cells':
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const: 1
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'#size-cells':
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const: 0
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'#pwm-cells':
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const: 3
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required:
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- compatible
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- reg
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patternProperties:
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"^fan@[0-1]$":
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type: object
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description:
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Represents the two fans and their specific configuration.
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$ref: fan-common.yaml#
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unevaluatedProperties: false
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properties:
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reg:
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description:
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The fan number.
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required:
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- reg
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additionalProperties: false
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examples:
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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fan1: fan-controller@10 {
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compatible = "maxim,max6639";
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reg = <0x10>;
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#address-cells = <1>;
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#size-cells = <0>;
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#pwm-cells = <3>;
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fan@0 {
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reg = <0x0>;
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pulses-per-revolution = <2>;
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max-rpm = <4000>;
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target-rpm = <1000>;
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pwms = <&fan1 0 25000 0>;
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};
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fan@1 {
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reg = <0x1>;
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pulses-per-revolution = <2>;
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max-rpm = <8000>;
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pwms = <&fan1 1 25000 0>;
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};
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};
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};
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...
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