18c2ecf20Sopenharmony_ciNVIDIA Tegra 20 AC97 controller
28c2ecf20Sopenharmony_ci
38c2ecf20Sopenharmony_ciRequired properties:
48c2ecf20Sopenharmony_ci- compatible : "nvidia,tegra20-ac97"
58c2ecf20Sopenharmony_ci- reg : Should contain AC97 controller registers location and length
68c2ecf20Sopenharmony_ci- interrupts : Should contain AC97 interrupt
78c2ecf20Sopenharmony_ci- resets : Must contain an entry for each entry in reset-names.
88c2ecf20Sopenharmony_ci  See ../reset/reset.txt for details.
98c2ecf20Sopenharmony_ci- reset-names : Must include the following entries:
108c2ecf20Sopenharmony_ci  - ac97
118c2ecf20Sopenharmony_ci- dmas : Must contain an entry for each entry in clock-names.
128c2ecf20Sopenharmony_ci  See ../dma/dma.txt for details.
138c2ecf20Sopenharmony_ci- dma-names : Must include the following entries:
148c2ecf20Sopenharmony_ci  - rx
158c2ecf20Sopenharmony_ci  - tx
168c2ecf20Sopenharmony_ci- clocks : Must contain one entry, for the module clock.
178c2ecf20Sopenharmony_ci  See ../clocks/clock-bindings.txt for details.
188c2ecf20Sopenharmony_ci- nvidia,codec-reset-gpio : The Tegra GPIO controller's phandle and the number
198c2ecf20Sopenharmony_ci  of the GPIO used to reset the external AC97 codec
208c2ecf20Sopenharmony_ci- nvidia,codec-sync-gpio : The Tegra GPIO controller's phandle and the number
218c2ecf20Sopenharmony_ci  of the GPIO corresponding with the AC97 DAP _FS line
228c2ecf20Sopenharmony_ci
238c2ecf20Sopenharmony_ciExample:
248c2ecf20Sopenharmony_ci
258c2ecf20Sopenharmony_ciac97@70002000 {
268c2ecf20Sopenharmony_ci	compatible = "nvidia,tegra20-ac97";
278c2ecf20Sopenharmony_ci	reg = <0x70002000 0x200>;
288c2ecf20Sopenharmony_ci	interrupts = <0 81 0x04>;
298c2ecf20Sopenharmony_ci	nvidia,codec-reset-gpio = <&gpio 170 0>;
308c2ecf20Sopenharmony_ci	nvidia,codec-sync-gpio = <&gpio 120 0>;
318c2ecf20Sopenharmony_ci	clocks = <&tegra_car 3>;
328c2ecf20Sopenharmony_ci	resets = <&tegra_car 3>;
338c2ecf20Sopenharmony_ci	reset-names = "ac97";
348c2ecf20Sopenharmony_ci	dmas = <&apbdma 12>, <&apbdma 12>;
358c2ecf20Sopenharmony_ci	dma-names = "rx", "tx";
368c2ecf20Sopenharmony_ci};
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