Commit 3b0ac1f9 authored by Naresh Solanki's avatar Naresh Solanki Committed by Guenter Roeck
Browse files

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: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarNaresh Solanki <naresh.solanki@9elements.com>
Signed-off-by: default avatarBilly Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20240221104025.1306227-2-billy_tsai@aspeedtech.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent c71d2502

Documentation/devicetree/bindings/hwmon/fan-common.yaml

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Original line number Diff line number Diff line 
# 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



...