1*4882a593SmuzhiyunNVIDIA Tegra audio complex 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired properties: 4*4882a593Smuzhiyun- compatible : "nvidia,tegra-audio-wm8903" 5*4882a593Smuzhiyun- clocks : Must contain an entry for each entry in clock-names. 6*4882a593Smuzhiyun See ../clocks/clock-bindings.txt for details. 7*4882a593Smuzhiyun- clock-names : Must include the following entries: 8*4882a593Smuzhiyun - pll_a 9*4882a593Smuzhiyun - pll_a_out0 10*4882a593Smuzhiyun - mclk (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk) 11*4882a593Smuzhiyun- nvidia,model : The user-visible name of this sound complex. 12*4882a593Smuzhiyun- nvidia,audio-routing : A list of the connections between audio components. 13*4882a593Smuzhiyun Each entry is a pair of strings, the first being the connection's sink, 14*4882a593Smuzhiyun the second being the connection's source. Valid names for sources and 15*4882a593Smuzhiyun sinks are the WM8903's pins (documented in the WM8903 binding document), 16*4882a593Smuzhiyun and the jacks on the board: 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun * Headphone Jack 19*4882a593Smuzhiyun * Int Spk 20*4882a593Smuzhiyun * Mic Jack 21*4882a593Smuzhiyun * Int Mic 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun- nvidia,i2s-controller : The phandle of the Tegra I2S1 controller 24*4882a593Smuzhiyun- nvidia,audio-codec : The phandle of the WM8903 audio codec 25*4882a593Smuzhiyun 26*4882a593SmuzhiyunOptional properties: 27*4882a593Smuzhiyun- nvidia,spkr-en-gpios : The GPIO that enables the speakers 28*4882a593Smuzhiyun- nvidia,hp-mute-gpios : The GPIO that mutes the headphones 29*4882a593Smuzhiyun- nvidia,hp-det-gpios : The GPIO that detect headphones are plugged in 30*4882a593Smuzhiyun- nvidia,int-mic-en-gpios : The GPIO that enables the internal microphone 31*4882a593Smuzhiyun- nvidia,ext-mic-en-gpios : The GPIO that enables the external microphone 32*4882a593Smuzhiyun- nvidia,headset : The Mic Jack represents state of the headset microphone pin 33*4882a593Smuzhiyun 34*4882a593SmuzhiyunExample: 35*4882a593Smuzhiyun 36*4882a593Smuzhiyunsound { 37*4882a593Smuzhiyun compatible = "nvidia,tegra-audio-wm8903-harmony", 38*4882a593Smuzhiyun "nvidia,tegra-audio-wm8903" 39*4882a593Smuzhiyun nvidia,model = "tegra-wm8903-harmony"; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun nvidia,audio-routing = 42*4882a593Smuzhiyun "Headphone Jack", "HPOUTR", 43*4882a593Smuzhiyun "Headphone Jack", "HPOUTL", 44*4882a593Smuzhiyun "Int Spk", "ROP", 45*4882a593Smuzhiyun "Int Spk", "RON", 46*4882a593Smuzhiyun "Int Spk", "LOP", 47*4882a593Smuzhiyun "Int Spk", "LON", 48*4882a593Smuzhiyun "Mic Jack", "MICBIAS", 49*4882a593Smuzhiyun "IN1L", "Mic Jack"; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun nvidia,i2s-controller = <&i2s1>; 52*4882a593Smuzhiyun nvidia,audio-codec = <&wm8903>; 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun nvidia,spkr-en-gpios = <&codec 2 0>; 55*4882a593Smuzhiyun nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */ 56*4882a593Smuzhiyun nvidia,int-mic-en-gpios = <&gpio 184 0>; /*gpio PX0 */ 57*4882a593Smuzhiyun nvidia,ext-mic-en-gpios = <&gpio 185 0>; /* gpio PX1 */ 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun clocks = <&tegra_car 112>, <&tegra_car 113>, <&tegra_car 93>; 60*4882a593Smuzhiyun clock-names = "pll_a", "pll_a_out0", "mclk"; 61*4882a593Smuzhiyun}; 62*4882a593Smuzhiyun 63