xref: /freebsd/sys/contrib/device-tree/Bindings/sound/nvidia,tegra30-i2s.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotNVIDIA Tegra30 I2S controller
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotRequired properties:
4*c66ec88fSEmmanuel Vadot- compatible : For Tegra30, must contain "nvidia,tegra30-i2s".  For Tegra124,
5*c66ec88fSEmmanuel Vadot  must contain "nvidia,tegra124-i2s".  Otherwise, must contain
6*c66ec88fSEmmanuel Vadot  "nvidia,<chip>-i2s" plus at least one of the above, where <chip> is
7*c66ec88fSEmmanuel Vadot  tegra114 or tegra132.
8*c66ec88fSEmmanuel Vadot- reg : Should contain I2S registers location and length
9*c66ec88fSEmmanuel Vadot- clocks : Must contain one entry, for the module clock.
10*c66ec88fSEmmanuel Vadot  See ../clocks/clock-bindings.txt for details.
11*c66ec88fSEmmanuel Vadot- resets : Must contain an entry for each entry in reset-names.
12*c66ec88fSEmmanuel Vadot  See ../reset/reset.txt for details.
13*c66ec88fSEmmanuel Vadot- reset-names : Must include the following entries:
14*c66ec88fSEmmanuel Vadot  - i2s
15*c66ec88fSEmmanuel Vadot- nvidia,ahub-cif-ids : The list of AHUB CIF IDs for this port, rx (playback)
16*c66ec88fSEmmanuel Vadot  first, tx (capture) second. See nvidia,tegra30-ahub.txt for values.
17*c66ec88fSEmmanuel Vadot
18*c66ec88fSEmmanuel VadotExample:
19*c66ec88fSEmmanuel Vadot
20*c66ec88fSEmmanuel Vadoti2s@70080300 {
21*c66ec88fSEmmanuel Vadot	compatible = "nvidia,tegra30-i2s";
22*c66ec88fSEmmanuel Vadot	reg = <0x70080300 0x100>;
23*c66ec88fSEmmanuel Vadot	nvidia,ahub-cif-ids = <4 4>;
24*c66ec88fSEmmanuel Vadot	clocks = <&tegra_car 11>;
25*c66ec88fSEmmanuel Vadot	resets = <&tegra_car 11>;
26*c66ec88fSEmmanuel Vadot	reset-names = "i2s";
27*c66ec88fSEmmanuel Vadot};
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