1* Texas Instruments OMAP4+ and twl6040 based audio setups 2 3Required properties: 4- compatible: "ti,abe-twl6040" 5- ti,model: Name of the sound card ( for example "SDP4430") 6- ti,mclk-freq: MCLK frequency for HPPLL operation 7- ti,mcpdm: phandle for the McPDM node 8- ti,twl6040: phandle for the twl6040 core node 9- ti,audio-routing: List of connections between audio components. 10 Each entry is a pair of strings, the first being the connection's sink, 11 the second being the connection's source. 12 13Optional properties: 14- ti,dmic: phandle for the OMAP dmic node if the machine have it connected 15- ti,jack_detection: Need to be present if the board capable to detect jack 16 insertion, removal. 17 18Available audio endpoints for the audio-routing table: 19 20Board connectors: 21 * Headset Stereophone 22 * Earphone Spk 23 * Ext Spk 24 * Line Out 25 * Vibrator 26 * Headset Mic 27 * Main Handset Mic 28 * Sub Handset Mic 29 * Line In 30 * Digital Mic 31 32twl6040 pins: 33 * HSOL 34 * HSOR 35 * EP 36 * HFL 37 * HFR 38 * AUXL 39 * AUXR 40 * VIBRAL 41 * VIBRAR 42 * HSMIC 43 * MAINMIC 44 * SUBMIC 45 * AFML 46 * AFMR 47 48 * Headset Mic Bias 49 * Main Mic Bias 50 * Digital Mic1 Bias 51 * Digital Mic2 Bias 52 53Digital mic pins: 54 * DMic 55 56Example: 57 58sound { 59 compatible = "ti,abe-twl6040"; 60 ti,model = "SDP4430"; 61 62 ti,jack-detection; 63 ti,mclk-freq = <38400000>; 64 65 ti,mcpdm = <&mcpdm>; 66 ti,dmic = <&dmic>; 67 68 ti,twl6040 = <&twl6040>; 69 70 /* Audio routing */ 71 ti,audio-routing = 72 "Headset Stereophone", "HSOL", 73 "Headset Stereophone", "HSOR", 74 "Earphone Spk", "EP", 75 "Ext Spk", "HFL", 76 "Ext Spk", "HFR", 77 "Line Out", "AUXL", 78 "Line Out", "AUXR", 79 "Vibrator", "VIBRAL", 80 "Vibrator", "VIBRAR", 81 "HSMIC", "Headset Mic", 82 "Headset Mic", "Headset Mic Bias", 83 "MAINMIC", "Main Handset Mic", 84 "Main Handset Mic", "Main Mic Bias", 85 "SUBMIC", "Sub Handset Mic", 86 "Sub Handset Mic", "Main Mic Bias", 87 "AFML", "Line In", 88 "AFMR", "Line In", 89 "DMic", "Digital Mic", 90 "Digital Mic", "Digital Mic1 Bias"; 91}; 92