linux/Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.txt
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   1NVIDIA Tegra 20 I2S controller
   2
   3Required properties:
   4- compatible : "nvidia,tegra20-i2s"
   5- reg : Should contain I2S registers location and length
   6- interrupts : Should contain I2S interrupt
   7- nvidia,dma-request-selector : The Tegra DMA controller's phandle and
   8  request selector for this I2S controller
   9
  10Example:
  11
  12i2s@70002800 {
  13        compatible = "nvidia,tegra20-i2s";
  14        reg = <0x70002800 0x200>;
  15        interrupts = < 45 >;
  16        nvidia,dma-request-selector = < &apbdma 2 >;
  17};
  18