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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/hwmon/fan-common.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Common Fan Properties
maintainers:
- Naresh Solanki <naresh.solanki@9elements.com>
- Billy Tsai <billy_tsai@aspeedtech.com>
properties:
max-rpm:
description:
Max RPM supported by fan.
$ref: /schemas/types.yaml#/definitions/uint32
maximum: 100000
min-rpm:
description:
Min RPM supported by fan.
$ref: /schemas/types.yaml#/definitions/uint32
maximum: 1000
pulses-per-revolution:
description:
The number of pulse from fan sensor per revolution.
$ref: /schemas/types.yaml#/definitions/uint32
maximum: 4
tach-div:
description:
Divisor for the tach sampling clock, which determines the sensitivity of the tach pin.
$ref: /schemas/types.yaml#/definitions/uint32
target-rpm:
description:
The default desired fan speed in RPM.
$ref: /schemas/types.yaml#/definitions/uint32
fan-driving-mode:
description:
Select the driving mode of the fan.(DC, PWM and so on)
$ref: /schemas/types.yaml#/definitions/string
enum: [ dc, pwm ]
pwms:
description:
PWM provider.
maxItems: 1
"#cooling-cells":
const: 2
cooling-levels:
description:
The control value which correspond to thermal cooling states.
$ref: /schemas/types.yaml#/definitions/uint32-array
tach-ch:
description:
The tach channel used for the fan.
$ref: /schemas/types.yaml#/definitions/uint8-array
label:
description:
Optional fan label
fan-supply:
description:
Power supply for fan.
reg:
maxItems: 1
additionalProperties: true
...
|
