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diff --git a/Documentation/devicetree/bindings/sound/sirf-audio-codec.txt b/Documentation/devicetree/bindings/sound/sirf-audio-codec.txt
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+++ b/Documentation/devicetree/bindings/sound/sirf-audio-codec.txt
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+SiRF internal audio CODEC
+
+Required properties:
+
+  - compatible : "sirf,atlas6-audio-codec" or "sirf,prima2-audio-codec"
+
+  - reg : the register address of the device.
+
+  - clocks: the clock of SiRF internal audio codec
+
+Example:
+
+audiocodec: audiocodec@b0040000 {
+	compatible = "sirf,atlas6-audio-codec";
+	reg = <0xb0040000 0x10000>;
+	clocks = <&clks 27>;
+};