FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/pcm512x.txt

     PCM512x audio CODECs
     
     These devices support both I2C and SPI (configured with pin strapping
     on the board).
     
     Required properties:
     
       - compatible : One of "ti,pcm5121", "ti,pcm5122", "ti,pcm5141" or
                      "ti,pcm5142"
    
      - reg : the I2C address of the device for I2C, the chip select
              number for SPI.
    
      - AVDD-supply, DVDD-supply, and CPVDD-supply : power supplies for the
        device, as covered in bindings/regulator/regulator.txt
    
    Optional properties:
    
      - clocks : A clock specifier for the clock connected as SCLK.  If this
        is absent the device will be configured to clock from BCLK.  If pll-in
        and pll-out are specified in addition to a clock, the device is
        configured to accept clock input on a specified gpio pin.
    
      - pll-in, pll-out : gpio pins used to connect the pll using <1>
        through <6>.  The device will be configured for clock input on the
        given pll-in pin and PLL output on the given pll-out pin.  An
        external connection from the pll-out pin to the SCLK pin is assumed.
    
    Examples:
    
            pcm5122: pcm5122@4c {
                    compatible = "ti,pcm5122";
                    reg = <0x4c>;
    
                    AVDD-supply = <&reg_3v3_analog>;
                    DVDD-supply = <&reg_1v8>;
                    CPVDD-supply = <&reg_3v3>;
            };
    
    
            pcm5142: pcm5142@4c {
                    compatible = "ti,pcm5142";
                    reg = <0x4c>;
    
                    AVDD-supply = <&reg_3v3_analog>;
                    DVDD-supply = <&reg_1v8>;
                    CPVDD-supply = <&reg_3v3>;
    
                    clocks = <&sck>;
                    pll-in = <3>;
                    pll-out = <6>;
            };

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