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 };
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