| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | * Texas Instruments SoC with twl4030 based audio setups |
| 2 | |
| 3 | Required properties: |
| 4 | - compatible: "ti,omap-twl4030" |
| 5 | - ti,model: Name of the sound card (for example "omap3beagle") |
| 6 | - ti,mcbsp: phandle for the McBSP node |
| 7 | |
| 8 | Optional properties: |
| 9 | - ti,codec: phandle for the twl4030 audio node |
| 10 | - ti,mcbsp-voice: phandle for the McBSP node connected to the voice port of twl |
| 11 | - ti, jack-det-gpio: Jack detect GPIO |
| 12 | - ti,audio-routing: List of connections between audio components. |
| 13 | Each entry is a pair of strings, the first being the connection's sink, |
| 14 | the second being the connection's source. |
| 15 | If the routing is not provided all possible connection will be available |
| 16 | |
| 17 | Available audio endpoints for the audio-routing table: |
| 18 | |
| 19 | Board connectors: |
| 20 | * Headset Stereophone |
| 21 | * Earpiece Spk |
| 22 | * Handsfree Spk |
| 23 | * Ext Spk |
| 24 | * Main Mic |
| 25 | * Sub Mic |
| 26 | * Headset Mic |
| 27 | * Carkit Mic |
| 28 | * Digital0 Mic |
| 29 | * Digital1 Mic |
| 30 | * Line In |
| 31 | |
| 32 | twl4030 pins: |
| 33 | * HSOL |
| 34 | * HSOR |
| 35 | * EARPIECE |
| 36 | * HFL |
| 37 | * HFR |
| 38 | * PREDRIVEL |
| 39 | * PREDRIVER |
| 40 | * CARKITL |
| 41 | * CARKITR |
| 42 | * MAINMIC |
| 43 | * SUBMIC |
| 44 | * HSMIC |
| 45 | * DIGIMIC0 |
| 46 | * DIGIMIC1 |
| 47 | * CARKITMIC |
| 48 | * AUXL |
| 49 | * AUXR |
| 50 | |
| 51 | * Headset Mic Bias |
| 52 | * Mic Bias 1 /* Used for Main Mic or Digimic0 */ |
| 53 | * Mic Bias 2 /* Used for Sub Mic or Digimic1 */ |
| 54 | |
| 55 | Example: |
| 56 | |
| 57 | sound { |
| 58 | compatible = "ti,omap-twl4030"; |
| 59 | ti,model = "omap3beagle"; |
| 60 | |
| 61 | ti,mcbsp = <&mcbsp2>; |
| 62 | }; |