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diff --git a/Documentation/devicetree/bindings/sound/atmel-sam9x5-wm8731-audio.txt b/Documentation/devicetree/bindings/sound/atmel-sam9x5-wm8731-audio.txt
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+* Atmel at91sam9x5ek wm8731 audio complex
+
+Required properties:
+  - compatible: "atmel,sam9x5-wm8731-audio"
+  - atmel,model: The user-visible name of this sound complex.
+  - atmel,ssc-controller: The phandle of the SSC controller
+  - atmel,audio-codec: The phandle of the WM8731 audio codec
+  - atmel,audio-routing: A list of the connections between audio components.
+    Each entry is a pair of strings, the first being the connection's sink,
+    the second being the connection's source.
+
+Available audio endpoints for the audio-routing table:
+
+Board connectors:
+ * Headphone Jack
+ * Line In Jack
+
+wm8731 pins:
+cf Documentation/devicetree/bindings/sound/wm8731.txt
+
+Example:
+sound {
+        compatible = "atmel,sam9x5-wm8731-audio";
+
+        atmel,model = "wm8731 @ AT91SAM9X5EK";
+
+        atmel,audio-routing =
+                "Headphone Jack", "RHPOUT",
+                "Headphone Jack", "LHPOUT",
+                "LLINEIN", "Line In Jack",
+                "RLINEIN", "Line In Jack";
+
+        atmel,ssc-controller = <&ssc0>;
+        atmel,audio-codec = <&wm8731>;
+};