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    Subject[RFC PATCH 1/5] dt-bindings: sound: Add Apple Macs sound system
    Date
    Add binding for Apple Silicon Macs' machine-level sound system.

    Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
    ---
    .../bindings/sound/apple,macaudio.yaml | 103 ++++++++++++++++++
    1 file changed, 103 insertions(+)
    create mode 100644 Documentation/devicetree/bindings/sound/apple,macaudio.yaml

    diff --git a/Documentation/devicetree/bindings/sound/apple,macaudio.yaml b/Documentation/devicetree/bindings/sound/apple,macaudio.yaml
    new file mode 100644
    index 000000000000..a6380e4bdd1a
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/sound/apple,macaudio.yaml
    @@ -0,0 +1,103 @@
    +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    +%YAML 1.2
    +---
    +$id: http://devicetree.org/schemas/sound/apple,macaudio.yaml#
    +$schema: http://devicetree.org/meta-schemas/core.yaml#
    +
    +title: Apple Silicon Macs integrated sound system
    +
    +maintainers:
    + - Martin Povišer <povik+lin@cutebit.org>
    +
    +definitions:
    + dai:
    + type: object
    + properties:
    + sound-dai: true
    + required:
    + - sound-dai
    +
    +properties:
    + compatible:
    + items:
    + - enum:
    + - apple,j274-macaudio
    + - apple,j293-macaudio
    + - apple,j314-macaudio
    + - const: apple,macaudio
    + "#address-cells":
    + const: 1
    + "#size-cells":
    + const: 0
    + model:
    + description: |
    + Model name to use when the sound system is presented to users as a sound card.
    + $ref: /schemas/types.yaml#/definitions/string
    +
    +patternProperties:
    + "^dai-link(@[0-9a-f]+)?$":
    + description: |
    + A DAI link comprising of CPU and CODEC DAI specifiers and supplemental properties.
    + type: object
    + properties:
    + reg:
    + maxItems: 1
    + mclk-fs:
    + description: |
    + Forced MCLK/samplerate factor (optional).
    + $ref: /schemas/types.yaml#/definitions/uint32
    + link-name:
    + description: Name for the DAI link to present to users.
    + $ref: /schemas/types.yaml#/definitions/string
    + cpu:
    + $ref: "#/definitions/dai"
    + codec:
    + $ref: "#/definitions/dai"
    + required:
    + - reg
    + - cpu
    + - codec
    + additionalProperties: false
    +
    +required:
    + - compatible
    + - model
    +
    +additionalProperties: false
    +
    +examples:
    + - |
    + sound {
    + compatible = "apple,j293-macaudio", "apple,macaudio";
    + model = "MacBook Pro J293 integrated audio";
    +
    + #address-cells = <1>;
    + #size-cells = <0>;
    +
    + dai-link@0 {
    + reg = <0>;
    + link-name = "Speakers";
    + mclk-fs = <64>;
    +
    + cpu {
    + sound-dai = <&mca 0>, <&mca 1>;
    + };
    + codec {
    + sound-dai = <&speaker_left_front>, <&speaker_right_front>,
    + <&speaker_left_rear>, <&speaker_right_rear>;
    + };
    + };
    +
    + dai-link@1 {
    + reg = <1>;
    + link-name = "Headphones Jack";
    + mclk-fs = <64>;
    +
    + cpu {
    + sound-dai = <&mca 2>;
    + };
    + codec {
    + sound-dai = <&jack_codec>;
    + };
    + };
    + };
    --
    2.33.0
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