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 >