Documentation/devicetree/bindings/sound/xlnx,i2s.txt

   1 Device-Tree bindings for Xilinx I2S PL block
   2
   3 The IP supports I2S based playback/capture audio
   4
   5 Required property:
   6  - compatible: "xlnx,i2s-transmitter-1.0" for playback and
   7                "xlnx,i2s-receiver-1.0" for capture
   8
   9 Required property common to both I2S playback and capture:
  10  - reg: Base address and size of the IP core instance.
  11  - xlnx,dwidth: sample data width. Can be any of 16, 24.
  12  - xlnx,num-channels: Number of I2S streams. Can be any of 1, 2, 3, 4.
  13                       supported channels = 2 * xlnx,num-channels
  14
  15 Example:
  16
  17         i2s_receiver@a0080000 {
  18                 compatible = "xlnx,i2s-receiver-1.0";
  19                 reg = <0x0 0xa0080000 0x0 0x10000>;
  20                 xlnx,dwidth = <0x18>;
  21                 xlnx,num-channels = <1>;
  22         };
  23         i2s_transmitter@a0090000 {
  24                 compatible = "xlnx,i2s-transmitter-1.0";
  25                 reg = <0x0 0xa0090000 0x0 0x10000>;
  26                 xlnx,dwidth = <0x18>;
  27                 xlnx,num-channels = <1>;
  28         };