FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/ak4642.txt

     AK4642 I2C transmitter
     
     This device supports I2C mode only.
     
     Required properties:
     
       - compatible : "asahi-kasei,ak4642" or "asahi-kasei,ak4643" or "asahi-kasei,ak4648"
       - reg : The chip select number on the I2C bus
     
    Optional properties:
    
      - #clock-cells :              common clock binding; shall be set to 0
      - clocks :                    common clock binding; MCKI clock
      - clock-frequency :           common clock binding; frequency of MCKO
      - clock-output-names :        common clock binding; MCKO clock name
    
    Example 1:
    
    &i2c {
            ak4648: ak4648@12 {
                    compatible = "asahi-kasei,ak4642";
                    reg = <0x12>;
            };
    };
    
    Example 2:
    
    &i2c {
            ak4643: codec@12 {
                    compatible = "asahi-kasei,ak4643";
                    reg = <0x12>;
                    #clock-cells = <0>;
                    clocks = <&audio_clock>;
                    clock-frequency = <12288000>;
                    clock-output-names = "ak4643_mcko";
            };
    };

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