mirror of
https://github.com/torvalds/linux.git
synced 2026-04-18 14:53:58 -04:00
ce66422118
Add properties to describe the fan and the PWM controller output. Link: https://www.ti.com/lit/gpn/amc6821 Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20250402102146.65406-2-francesco@dolcini.it Signed-off-by: Guenter Roeck <linux@roeck-us.net>
103 lines
2.0 KiB
YAML
103 lines
2.0 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/hwmon/ti,amc6821.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: AMC6821 Intelligent Temperature Monitor and PWM Fan Controller
|
|
|
|
maintainers:
|
|
- Farouk Bouabid <farouk.bouabid@cherry.de>
|
|
- Quentin Schulz <quentin.schulz@cherry.de>
|
|
|
|
description:
|
|
Intelligent temperature monitor and pulse-width modulation (PWM) fan
|
|
controller.
|
|
|
|
properties:
|
|
compatible:
|
|
oneOf:
|
|
- items:
|
|
- const: tsd,mule
|
|
- const: ti,amc6821
|
|
- const: ti,amc6821
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
i2c-mux:
|
|
type: object
|
|
|
|
fan:
|
|
$ref: fan-common.yaml#
|
|
unevaluatedProperties: false
|
|
|
|
"#pwm-cells":
|
|
const: 2
|
|
description: |
|
|
Number of cells in a PWM specifier.
|
|
- cell 0: PWM period in nanoseconds
|
|
- cell 1: PWM polarity: 0 or PWM_POLARITY_INVERTED
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
|
|
if:
|
|
properties:
|
|
compatible:
|
|
contains:
|
|
const: tsd,mule
|
|
|
|
then:
|
|
required:
|
|
- i2c-mux
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
i2c {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
fan_controller: fan@18 {
|
|
compatible = "ti,amc6821";
|
|
reg = <0x18>;
|
|
#pwm-cells = <2>;
|
|
|
|
fan {
|
|
pwms = <&fan_controller 40000 0>;
|
|
};
|
|
};
|
|
};
|
|
|
|
- |
|
|
i2c {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
fan@18 {
|
|
compatible = "tsd,mule", "ti,amc6821";
|
|
reg = <0x18>;
|
|
|
|
i2c-mux {
|
|
compatible = "tsd,mule-i2c-mux";
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
i2c@0 {
|
|
reg = <0x0>;
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
rtc@6f {
|
|
compatible = "isil,isl1208";
|
|
reg = <0x6f>;
|
|
};
|
|
};
|
|
};
|
|
};
|
|
};
|
|
...
|