Re: [v4 16/18] dt-bindings: mediatek: mt8186: add mt8186-mt6366-da7219-max98357 document

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On Thu, Apr 28, 2022 at 05:33:53PM +0800, Jiaxin Yu wrote:
> Add document for mt8186 board with mt6366, da7219 and max98357.
> 
> Signed-off-by: Jiaxin Yu <jiaxin.yu@xxxxxxxxxxxx>
> ---
>  .../sound/mt8186-mt6366-da7219-max98357.yaml  | 71 +++++++++++++++++++
>  1 file changed, 71 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-max98357.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-max98357.yaml b/Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-max98357.yaml
> new file mode 100644
> index 000000000000..55e8649f2aea
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/mt8186-mt6366-da7219-max98357.yaml
> @@ -0,0 +1,71 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/mt8186-mt6366-da7219-max98357.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mediatek MT8186 with MT6366, DA7219 and MAX98357 ASoC sound card driver
> +
> +maintainers:
> +  - Jiaxin Yu <jiaxin.yu@xxxxxxxxxxxx>
> +
> +description:
> +  This binding describes the MT8186 sound card.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - mediatek,mt8186_mt6366_da7219_max98357_sound

s/_/-/

> +
> +  mediatek,platform:
> +    $ref: "/schemas/types.yaml#/definitions/phandle"
> +    description: The phandle of MT8186 ASoC platform.
> +
> +  headset-codec:
> +    type: object

       additionalProperties: false

> +    properties:
> +      sound-dai:
> +        $ref: /schemas/types.yaml#/definitions/phandle

sound-dai already has a type, so drop and define how many entries.

> +    required:
> +        - sound-dai
> +
> +  playback-codecs:
> +    type: object

       additionalProperties: false

> +    properties:
> +      sound-dai:
> +        minItems: 2
> +        maxItems: 3

If more than 1 entry, then you need to define what each one is and the 
order. Just like reg, interrupts, clocks, etc.

> +        $ref: /schemas/types.yaml#/definitions/phandle-array

Drop

> +    required:
> +        - sound-dai
> +
> +additionalProperties: false
> +
> +required:
> +  - compatible
> +  - mediatek,platform
> +  - headset-codec
> +  - playback-codecs
> +
> +examples:
> +  - |
> +
> +    sound: mt8186-sound {
> +        compatible = "mediatek,mt8186_mt6366_da7219_max98357_sound";
> +        mediatek,platform = <&afe>;
> +        pinctrl-names = "aud_clk_mosi_off",
> +                        "aud_clk_mosi_on";
> +        pinctrl-0 = <&aud_clk_mosi_off>;
> +        pinctrl-1 = <&aud_clk_mosi_on>;
> +
> +        headset-codec {
> +            sound-dai = <&da7219>;
> +        };
> +
> +        playback-codecs {
> +            sound-dai = <&anx_bridge_dp>,
> +                        <&max98357a>;
> +        };
> +    };
> +
> +...
> -- 
> 2.25.1
> 



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