Add document for mt8188 board with mt6359.
Signed-off-by: Trevor Wu trevor.wu@mediatek.com --- .../sound/mediatek,mt8188-mt6359.yaml | 93 +++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml
diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml new file mode 100644 index 000000000000..5754c1d460db --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/mediatek,mt8188-mt6359.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT8188 ASoC sound card + +maintainers: + - Trevor Wu trevor.wu@mediatek.com + +properties: + compatible: + const: mediatek,mt8188-mt6359-evb + + model: + $ref: /schemas/types.yaml#/definitions/string + description: User specified audio sound card name + + audio-routing: + $ref: /schemas/types.yaml#/definitions/non-unique-string-array + description: + A list of the connections between audio components. Each entry is a + sink/source pair of strings. Valid names could be the input or output + widgets of audio components, power supplies, MicBias of codec and the + software switch. + + mediatek,platform: + $ref: /schemas/types.yaml#/definitions/phandle + description: The phandle of MT8188 ASoC platform. + +patternProperties: + "^dai-link-[0-9]+$": + type: object + description: | + Container for dai-link level properties and CODEC sub-nodes. + + properties: + dai-link-name: + description: | + This property corresponds to the name of the BE dai-link to which + we are going to update parameters in this node. + items: + enum: + - ADDA_BE + - DPTX_BE + - ETDM1_IN_BE + - ETDM2_IN_BE + - ETDM1_OUT_BE + - ETDM2_OUT_BE + - ETDM3_OUT_BE + - PCM1_BE + + codec: + description: Holds subnode which indicates codec dai. + type: object + additionalProperties: false + properties: + sound-dai: + minItems: 1 + maxItems: 2 + + required: + - dai-link-name + - codec + +additionalProperties: false + +required: + - compatible + - mediatek,platform + +examples: + - | + sound { + compatible = "mediatek,mt8188-mt6359-evb"; + mediatek,platform = <&afe>; + pinctrl-names = "default"; + pinctrl-0 = <&aud_pins_default>; + audio-routing = + "Headphone", "Headphone L", + "Headphone", "Headphone R", + "AIN1", "Headset Mic"; + dai-link-0 { + dai-link-name = "ETDM3_OUT_BE"; + + codec { + sound-dai = <&hdmi0>; + }; + }; + }; + +...