| Freescale Digital Audio Mux (AUDMUX) device | 
 |  | 
 | Required properties: | 
 |  | 
 |   - compatible		: "fsl,imx21-audmux" for AUDMUX version firstly used | 
 | 			  on i.MX21, or "fsl,imx31-audmux" for the version | 
 | 			  firstly used on i.MX31. | 
 |  | 
 |   - reg			: Should contain AUDMUX registers location and length. | 
 |  | 
 | An initial configuration can be setup using child nodes. | 
 |  | 
 | Required properties of optional child nodes: | 
 |  | 
 |   - fsl,audmux-port	: Integer of the audmux port that is configured by this | 
 | 			  child node. | 
 |  | 
 |   - fsl,port-config	: List of configuration options for the specific port. | 
 | 			  For imx31-audmux and above, it is a list of tuples | 
 | 			  <ptcr pdcr>. For imx21-audmux it is a list of pcr | 
 | 			  values. | 
 |  | 
 | Example: | 
 |  | 
 | audmux@021d8000 { | 
 | 	compatible = "fsl,imx6q-audmux", "fsl,imx31-audmux"; | 
 | 	reg = <0x021d8000 0x4000>; | 
 | }; |