dt-bindings: hwmon: fan: Add fan binding to schema
Add common fan properties bindings to a schema. Bindings for fan controllers can reference the common schema for the fan child nodes: patternProperties: "^fan@[0-2]": type: object $ref: fan-common.yaml# unevaluatedProperties: false Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com> Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com> Link: https://lore.kernel.org/r/20240221104025.1306227-2-billy_tsai@aspeedtech.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/hwmon/fan-common.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Common Fan Properties
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maintainers:
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- Naresh Solanki <naresh.solanki@9elements.com>
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- Billy Tsai <billy_tsai@aspeedtech.com>
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properties:
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max-rpm:
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description:
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Max RPM supported by fan.
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$ref: /schemas/types.yaml#/definitions/uint32
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maximum: 100000
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min-rpm:
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description:
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Min RPM supported by fan.
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$ref: /schemas/types.yaml#/definitions/uint32
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maximum: 1000
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pulses-per-revolution:
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description:
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The number of pulse from fan sensor per revolution.
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$ref: /schemas/types.yaml#/definitions/uint32
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maximum: 4
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tach-div:
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description:
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Divisor for the tach sampling clock, which determines the sensitivity of the tach pin.
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$ref: /schemas/types.yaml#/definitions/uint32
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target-rpm:
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description:
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The default desired fan speed in RPM.
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$ref: /schemas/types.yaml#/definitions/uint32
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fan-driving-mode:
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description:
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Select the driving mode of the fan.(DC, PWM and so on)
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$ref: /schemas/types.yaml#/definitions/string
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enum: [ dc, pwm ]
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pwms:
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description:
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PWM provider.
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maxItems: 1
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"#cooling-cells":
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const: 2
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cooling-levels:
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description:
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The control value which correspond to thermal cooling states.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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tach-ch:
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description:
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The tach channel used for the fan.
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$ref: /schemas/types.yaml#/definitions/uint8-array
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label:
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description:
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Optional fan label
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fan-supply:
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description:
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Power supply for fan.
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reg:
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maxItems: 1
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additionalProperties: true
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...
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