linux/Documentation/devicetree/bindings/sound/atmel-at91sam9g20ek-wm8731-audio.txt
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   1* Atmel at91sam9g20ek wm8731 audio complex
   2
   3Required properties:
   4  - compatible: "atmel,at91sam9g20ek-wm8731-audio"
   5  - atmel,model: The user-visible name of this sound complex.
   6  - atmel,audio-routing: A list of the connections between audio components.
   7  - atmel,ssc-controller: The phandle of the SSC controller
   8  - atmel,audio-codec: The phandle of the WM8731 audio codec
   9Optional properties:
  10  - pinctrl-names, pinctrl-0: Please refer to pinctrl-bindings.txt
  11
  12Example:
  13sound {
  14        compatible = "atmel,at91sam9g20ek-wm8731-audio";
  15        pinctrl-names = "default";
  16        pinctrl-0 = <&pinctrl_pck0_as_mck>;
  17
  18        atmel,model = "wm8731 @ AT91SAMG20EK";
  19
  20        atmel,audio-routing =
  21                "Ext Spk", "LHPOUT",
  22                "Int MIC", "MICIN";
  23
  24        atmel,ssc-controller = <&ssc0>;
  25        atmel,audio-codec = <&wm8731>;
  26};
  27