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     1 Freescale Digital Audio Mux (AUDMUX) device
    2 
    3 Required properties:
    4 
    5   - compatible          : "fsl,imx21-audmux" for AUDMUX version firstly used
    6                           on i.MX21, or "fsl,imx31-audmux" for the version
    7                           firstly used on i.MX31.
    8 
    9   - reg                 : Should contain AUDMUX registers location and length.
   10 
   11 An initial configuration can be setup using child nodes.
   12 
   13 Required properties of optional child nodes:
   14 
   15   - fsl,audmux-port     : Integer of the audmux port that is configured by this
   16                           child node.
   17 
   18   - fsl,port-config     : List of configuration options for the specific port.
   19                           For imx31-audmux and above, it is a list of tuples
   20                           <ptcr pdcr>. For imx21-audmux it is a list of pcr
   21                           values.
   22 
   23 Example:
   24 
   25 audmux@21d8000 {
   26         compatible = "fsl,imx6q-audmux", "fsl,imx31-audmux";
   27         reg = <0x021d8000 0x4000>;
   28 };
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