FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/brcm,bcm63xx-audio.txt

     Broadcom DSL/PON BCM63xx Audio I2S controller
     
     Required properties:
     - compatible:     Should be "brcm,bcm63xx-i2s".
     - #address-cells: 32bit valued, 1 cell.
     - #size-cells:    32bit valued, 0 cell.
     - reg:            Should contain audio registers location and length
     - interrupts:     Should contain the interrupt for the controller.
     - clocks:         Must contain an entry for each entry in clock-names.
                      Please refer to clock-bindings.txt.
    - clock-names:    One of each entry matching the clocks phandles list:
                      - "i2sclk" (generated clock) Required.
                      - "i2sosc" (fixed 200MHz clock) Required.
    
    (1) : The generated clock is required only when any of TX and RX
          works on Master Mode.
    (2) : The fixed 200MHz clock is from internal chip and always on
    
    Example:
    
                    i2s: bcm63xx-i2s {
                            #address-cells = <1>;
                            #size-cells = <0>;
                            compatible = "brcm,bcm63xx-i2s";
                            reg = <0xFF802080 0xFF>;
                            interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
                            clocks = <&i2sclk>, <&osc>;
                            clock-names = "i2sclk","i2sosc";
                    };

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