[v4 16/18] dt-bindings: mediatek: mt8186: add mt8186-mt6366-da7219-max98357 document
Rob Herring
robh at kernel.org
Thu Apr 28 07:31:17 PDT 2022
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 at mediatek.com>
> ---
> .../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 at mediatek.com>
> +
> +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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