xref: /freebsd/sys/contrib/device-tree/Bindings/sound/nvidia,tegra20-i2s.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotNVIDIA Tegra 20 I2S controller
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotRequired properties:
4*c66ec88fSEmmanuel Vadot- compatible : "nvidia,tegra20-i2s"
5*c66ec88fSEmmanuel Vadot- reg : Should contain I2S registers location and length
6*c66ec88fSEmmanuel Vadot- interrupts : Should contain I2S interrupt
7*c66ec88fSEmmanuel Vadot- resets : Must contain an entry for each entry in reset-names.
8*c66ec88fSEmmanuel Vadot  See ../reset/reset.txt for details.
9*c66ec88fSEmmanuel Vadot- reset-names : Must include the following entries:
10*c66ec88fSEmmanuel Vadot  - i2s
11*c66ec88fSEmmanuel Vadot- dmas : Must contain an entry for each entry in clock-names.
12*c66ec88fSEmmanuel Vadot  See ../dma/dma.txt for details.
13*c66ec88fSEmmanuel Vadot- dma-names : Must include the following entries:
14*c66ec88fSEmmanuel Vadot  - rx
15*c66ec88fSEmmanuel Vadot  - tx
16*c66ec88fSEmmanuel Vadot- clocks : Must contain one entry, for the module clock.
17*c66ec88fSEmmanuel Vadot  See ../clocks/clock-bindings.txt for details.
18*c66ec88fSEmmanuel Vadot
19*c66ec88fSEmmanuel VadotExample:
20*c66ec88fSEmmanuel Vadot
21*c66ec88fSEmmanuel Vadoti2s@70002800 {
22*c66ec88fSEmmanuel Vadot	compatible = "nvidia,tegra20-i2s";
23*c66ec88fSEmmanuel Vadot	reg = <0x70002800 0x200>;
24*c66ec88fSEmmanuel Vadot	interrupts = < 45 >;
25*c66ec88fSEmmanuel Vadot	clocks = <&tegra_car 11>;
26*c66ec88fSEmmanuel Vadot	resets = <&tegra_car 11>;
27*c66ec88fSEmmanuel Vadot	reset-names = "i2s";
28*c66ec88fSEmmanuel Vadot	dmas = <&apbdma 21>, <&apbdma 21>;
29*c66ec88fSEmmanuel Vadot	dma-names = "rx", "tx";
30*c66ec88fSEmmanuel Vadot};
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