1609dad9bSLucas StachNVIDIA Tegra 20 AC97 controller 2609dad9bSLucas Stach 3609dad9bSLucas StachRequired properties: 4609dad9bSLucas Stach- compatible : "nvidia,tegra20-ac97" 5609dad9bSLucas Stach- reg : Should contain AC97 controller registers location and length 6609dad9bSLucas Stach- interrupts : Should contain AC97 interrupt 707999587SStephen Warren- resets : Must contain an entry for each entry in reset-names. 807999587SStephen Warren See ../reset/reset.txt for details. 907999587SStephen Warren- reset-names : Must include the following entries: 1007999587SStephen Warren - ac97 11*ed520c90SStephen Warren- dmas : Must contain an entry for each entry in clock-names. 12*ed520c90SStephen Warren See ../dma/dma.txt for details. 13*ed520c90SStephen Warren- dma-names : Must include the following entries: 14*ed520c90SStephen Warren - rx 15*ed520c90SStephen Warren - tx 16*ed520c90SStephen Warren- clocks : Must contain one entry, for the module clock. 17*ed520c90SStephen Warren See ../clocks/clock-bindings.txt for details. 18609dad9bSLucas Stach- nvidia,codec-reset-gpio : The Tegra GPIO controller's phandle and the number 19609dad9bSLucas Stach of the GPIO used to reset the external AC97 codec 20609dad9bSLucas Stach- nvidia,codec-sync-gpio : The Tegra GPIO controller's phandle and the number 21609dad9bSLucas Stach of the GPIO corresponding with the AC97 DAP _FS line 22d8f64797SStephen Warren 23609dad9bSLucas StachExample: 24609dad9bSLucas Stach 25609dad9bSLucas Stachac97@70002000 { 26609dad9bSLucas Stach compatible = "nvidia,tegra20-ac97"; 27609dad9bSLucas Stach reg = <0x70002000 0x200>; 28609dad9bSLucas Stach interrupts = <0 81 0x04>; 29609dad9bSLucas Stach nvidia,codec-reset-gpio = <&gpio 170 0>; 30609dad9bSLucas Stach nvidia,codec-sync-gpio = <&gpio 120 0>; 31d8f64797SStephen Warren clocks = <&tegra_car 3>; 3207999587SStephen Warren resets = <&tegra_car 3>; 3307999587SStephen Warren reset-names = "ac97"; 34*ed520c90SStephen Warren dmas = <&apbdma 12>, <&apbdma 12>; 35*ed520c90SStephen Warren dma-names = "rx", "tx"; 36609dad9bSLucas Stach}; 37