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diff --git a/kernel/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt b/kernel/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt
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+MT8173 with RT5650 RT5676 CODECS
+
+Required properties:
+- compatible : "mediatek,mt8173-rt5650-rt5676"
+- mediatek,audio-codec: the phandles of rt5650 and rt5676 codecs
+- mediatek,platform: the phandle of MT8173 ASoC platform
+
+Example:
+
+ sound {
+ compatible = "mediatek,mt8173-rt5650-rt5676";
+ mediatek,audio-codec = <&rt5650 &rt5676>;
+ mediatek,platform = <&afe>;
+ };
+