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Freescale i.MX audio complex with WM8524 codec

Required properties:

  - compatible		: "fsl,imx-audio-wm8524"

  - model		: The user-visible name of this sound complex

  - audio-cpu		: The phandle of CPU DAI

  - audio-codec		: The phandle of the WM8962 audio codec

  - 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. Valid names could be power supplies, WM8524
			  pins, and the jacks on the board:

Example:

sound {
	compatible = "fsl,imx-audio-wm8524";
	model = "wm8524-audio";
	audio-cpu = <&sai2>;
	audio-codec = <&codec>;
	audio-routing =
		"Line Out Jack", "LINEVOUTL",
		"Line Out Jack", "LINEVOUTR";
};