| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | }; |