Add soundcard bindings for the MT8365 SoC with the MT6357 audio codec. Signed-off-by: Alexandre Mergnat <amergnat@xxxxxxxxxxxx> --- .../bindings/sound/mediatek,mt8365-mt6357.yaml | 99 ++++++++++++++++++++++ 1 file changed, 99 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8365-mt6357.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8365-mt6357.yaml new file mode 100644 index 000000000000..831c5b4665b8 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mediatek,mt8365-mt6357.yaml @@ -0,0 +1,99 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/mediatek,mt8365-mt6357.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek MT8365 ASoC sound card + +maintainers: + - Alexandre Mergnat <amergnat@xxxxxxxxxxxx> + +properties: + compatible: + const: mediatek,mt8365-mt6357 + + pinctrl-names: + minItems: 1 + items: + - const: default + - const: dmic + - const: miso_off + - const: miso_on + - const: mosi_off + - const: mosi_on + + mediatek,platform: + $ref: /schemas/types.yaml#/definitions/phandle + description: The phandle of MT8365 ASoC platform. + +patternProperties: + "^dai-link-[0-9]+$": + type: object + description: + Container for dai-link level properties and CODEC sub-nodes. + + properties: + codec: + type: object + description: Holds subnode which indicates codec dai. + + properties: + sound-dai: + maxItems: 1 + description: phandle of the codec DAI + + additionalProperties: false + + 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: + const: 2ND_I2S_BE + + sound-dai: + maxItems: 1 + description: phandle of the CPU DAI + + required: + - link-name + - sound-dai + + additionalProperties: false + +required: + - compatible + - pinctrl-names + - mediatek,platform + +additionalProperties: false + +examples: + - | + sound { + compatible = "mediatek,mt8365-mt6357"; + pinctrl-names = "default", + "dmic", + "miso_off", + "miso_on", + "mosi_off", + "mosi_on"; + pinctrl-0 = <&aud_default_pins>; + pinctrl-1 = <&aud_dmic_pins>; + pinctrl-2 = <&aud_miso_off_pins>; + pinctrl-3 = <&aud_miso_on_pins>; + pinctrl-4 = <&aud_mosi_off_pins>; + pinctrl-5 = <&aud_mosi_on_pins>; + mediatek,platform = <&afe>; + + /* hdmi interface */ + dai-link-0 { + link-name = "2ND_I2S_BE"; + sound-dai = <&afe>; + + codec { + sound-dai = <&it66121hdmitx>; + }; + }; + }; -- 2.25.1
