linux/Documentation/devicetree/bindings/sound/samsung,smdk-wm8994.txt
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   1Samsung SMDK audio complex
   2
   3Required properties:
   4- compatible : "samsung,smdk-wm8994"
   5- samsung,i2s-controller: The phandle of the Samsung I2S0 controller
   6- samsung,audio-codec: The phandle of the WM8994 audio codec
   7Example:
   8
   9sound {
  10                compatible = "samsung,smdk-wm8994";
  11
  12                samsung,i2s-controller = <&i2s0>;
  13                samsung,audio-codec = <&wm8994>;
  14};
  15