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Linux/Documentation/devicetree/bindings/sound/brcm,bcm63xx-audio.txt

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  1 Broadcom DSL/PON BCM63xx Audio I2S controller
  2 
  3 Required properties:
  4 - compatible:     Should be "brcm,bcm63xx-i2s".
  5 - #address-cells: 32bit valued, 1 cell.
  6 - #size-cells:    32bit valued, 0 cell.
  7 - reg:            Should contain audio registers location and length
  8 - interrupts:     Should contain the interrupt for the controller.
  9 - clocks:         Must contain an entry for each entry in clock-names.
 10                   Please refer to clock-bindings.txt.
 11 - clock-names:    One of each entry matching the clocks phandles list:
 12                   - "i2sclk" (generated clock) Required.
 13                   - "i2sosc" (fixed 200MHz clock) Required.
 14 
 15 (1) : The generated clock is required only when any of TX and RX
 16       works on Master Mode.
 17 (2) : The fixed 200MHz clock is from internal chip and always on
 18 
 19 Example:
 20 
 21                 i2s: bcm63xx-i2s {
 22                         #address-cells = <1>;
 23                         #size-cells = <0>;
 24                         compatible = "brcm,bcm63xx-i2s";
 25                         reg = <0xFF802080 0xFF>;
 26                         interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
 27                         clocks = <&i2sclk>, <&osc>;
 28                         clock-names = "i2sclk","i2sosc";
 29                 };

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