| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | * Texas Instruments OMAP4+ and twl6040 based audio setups |
| 2 | |
| 3 | Required 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 | |
| 13 | Optional 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 | |
| 18 | Available audio endpoints for the audio-routing table: |
| 19 | |
| 20 | Board 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 | |
| 32 | twl6040 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 | |
| 53 | Digital mic pins: |
| 54 | * DMic |
| 55 | |
| 56 | Example: |
| 57 | |
| 58 | sound { |
| 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 | }; |