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diff --git a/Documentation/devicetree/bindings/sound/nau8810.txt b/Documentation/devicetree/bindings/sound/nau8810.txt
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+NAU8810/NAU8812/NAU8814 audio CODEC
+
+This device supports I2C only.
+
+Required properties:
+
+  - compatible : One of "nuvoton,nau8810" or "nuvoton,nau8812" or
+	"nuvoton,nau8814"
+
+  - reg : the I2C address of the device.
+
+Example:
+
+codec: nau8810@1a {
+	compatible = "nuvoton,nau8810";
+	reg = <0x1a>;
+};