From: Darren Ye <darren.ye@xxxxxxxxxxxx> Add document for mt8196 board with mt6681. Signed-off-by: Darren Ye <darren.ye@xxxxxxxxxxxx> --- .../sound/mediatek,mt8196-mt6681.yaml | 122 ++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt8196-mt6681.yaml diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8196-mt6681.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8196-mt6681.yaml new file mode 100644 index 000000000000..b144ba748c23 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mediatek,mt8196-mt6681.yaml @@ -0,0 +1,122 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/mediatek,mt8196-mt6681.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT8196 ASoC sound card + +maintainers: + - Darren Ye <darren.ye@xxxxxxxxxxxx> + +allOf: + - $ref: sound-card-common.yaml# + +properties: + compatible: + oneOf: + - enum: + - mediatek,mt8196-mt6681-sound + - mediatek,mt8196-nau8825-sound + - mediatek,mt8196-rt5682s-sound + - mediatek,mt8196-rt5650-sound + - items: + - const: mediatek,mt8196-mt6681-sound + - const: mediatek,mt8196-nau8825-sound + + audio-routing: + description: + 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. + + mediatek,adsp: + $ref: /schemas/types.yaml#/definitions/phandle + description: + The phandle of the MT8188 ADSP platform, which is the optional Audio DSP + hardware that provides additional audio functionalities if present. + The AFE will link to ADSP when the phandle is provided. + +patternProperties: + "^dai-link-[0-9]+$": + type: object + description: + Container for dai-link level properties and CODEC sub-nodes. + + properties: + 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: + - TDM_DPTX_BE + - I2SOUT6_BE + - I2SIN6_BE + - I2SOUT4_BE + - I2SOUT3_BE + + codec: + description: Holds subnode which indicates codec dai. + type: object + additionalProperties: false + properties: + sound-dai: + minItems: 1 + maxItems: 2 + required: + - sound-dai + + dai-format: + description: audio format. + items: + enum: + - i2s + - right_j + - left_j + - dsp_a + - dsp_b + + mediatek,clk-provider: + $ref: /schemas/types.yaml#/definitions/string + description: Indicates dai-link clock master. + items: + enum: + - cpu + - codec + + additionalProperties: false + + required: + - link-name + +unevaluatedProperties: false + +required: + - compatible + - mediatek,platform + +examples: + - | + sound { + compatible = "mediatek,mt8196-mt6681-sound"; + model = "mt8196-mt6681"; + mediatek,platform = <&afe>; + audio-routing = "I2SOUT4", "I2SIN4_GPIO", + "I2SOUT4", "I2OUT4_GPIO", + "I2SOUT6", "I2SIN6_GPIO", + "I2SOUT6", "I2SOUT6_GPIO"; + + dai-link-0 { + link-name = "I2SOUT6_BE"; + dai-format = "i2s"; + mediatek,clk-provider = "cpu"; + codec { + sound-dai = <&nau8825>; + }; + }; + }; + -- 2.45.2
