Documentation/devicetree/bindings/sound/atmel,at91sam9g20ek-wm8731.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/sound/atmel,at91sam9g20ek-wm8731.yaml

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System
Linux kernel
Corpus path
Documentation/devicetree/bindings/sound/atmel,at91sam9g20ek-wm8731.yaml
Extension
.yaml
Size
1820 bytes
Lines
73
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

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Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/atmel,at91sam9g20ek-wm8731.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Atmel at91sam9g20ek wm8731 audio complex

maintainers:
  - Balakrishnan Sambath <balakrishnan.s@microchip.com>

description:
  The audio complex configuration for Atmel at91sam9g20ek with WM8731 audio codec.

properties:
  compatible:
    const: atmel,at91sam9g20ek-wm8731-audio

  atmel,model:
    $ref: /schemas/types.yaml#/definitions/string
    description: The user-visible name of this sound complex.

  atmel,audio-routing:
    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
    description: A list of the connections between audio components.
    minItems: 2
    maxItems: 4
    items:
      enum:
        # Board Connectors
        - Ext Spk
        - Int Mic

        # CODEC Pins
        - LOUT
        - ROUT
        - LHPOUT
        - RHPOUT
        - LLINEIN
        - RLINEIN
        - MICIN

  atmel,ssc-controller:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: The phandle of the SSC controller.

  atmel,audio-codec:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: The phandle of WM8731 audio codec.

required:
  - compatible
  - atmel,model
  - atmel,audio-routing
  - atmel,ssc-controller
  - atmel,audio-codec

additionalProperties: false

examples:
  - |
    sound {
        compatible = "atmel,at91sam9g20ek-wm8731-audio";
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_pck0_as_mck>;
        atmel,model = "wm8731 @ AT91SAMG20EK";
        atmel,audio-routing =
            "Ext Spk", "LHPOUT",
            "Int Mic", "MICIN";
        atmel,ssc-controller = <&ssc0>;

Annotation

Implementation Notes