Commit | Line | Data |
---|---|---|
00e6cb2a LPC |
1 | ADI AXI-I2S controller |
2 | ||
3 | Required properties: | |
4 | - compatible : Must be "adi,axi-i2s-1.00.a" | |
5 | - reg : Must contain I2S core's registers location and length | |
6 | - clocks : Pairs of phandle and specifier referencing the controller's clocks. | |
7 | The controller expects two clocks, the clock used for the AXI interface and | |
8 | the clock used as the sampling rate reference clock sample. | |
9 | - clock-names : "axi" for the clock to the AXI interface, "ref" for the sample | |
10 | rate reference clock. | |
11 | - dmas: Pairs of phandle and specifier for the DMA channels that are used by | |
12 | the core. The core expects two dma channels, one for transmit and one for | |
13 | receive. | |
14 | - dma-names : "tx" for the transmit channel, "rx" for the receive channel. | |
15 | ||
16 | For more details on the 'dma', 'dma-names', 'clock' and 'clock-names' properties | |
17 | please check: | |
18 | * resource-names.txt | |
19 | * clock/clock-bindings.txt | |
20 | * dma/dma.txt | |
21 | ||
22 | Example: | |
23 | ||
24 | i2s: i2s@0x77600000 { | |
25 | compatible = "adi,axi-i2s-1.00.a"; | |
26 | reg = <0x77600000 0x1000>; | |
27 | clocks = <&clk 15>, <&audio_clock>; | |
28 | clock-names = "axi", "ref"; | |
29 | dmas = <&ps7_dma 0>, <&ps7_dma 1>; | |
30 | dma-names = "tx", "rx"; | |
31 | }; |