Commit | Line | Data |
---|---|---|
c24fdc88 HG |
1 | Texas Instruments - tlv320aic3x Codec module |
2 | ||
3 | The tlv320aic3x serial control bus communicates through I2C protocols | |
4 | ||
5 | Required properties: | |
f2c4fa65 MB |
6 | |
7 | - compatible - "string" - One of: | |
8 | "ti,tlv320aic3x" - Generic TLV320AIC3x device | |
9 | "ti,tlv320aic33" - TLV320AIC33 | |
10 | "ti,tlv320aic3007" - TLV320AIC3007 | |
cbaa5689 | 11 | "ti,tlv320aic3106" - TLV320AIC3106 |
f2c4fa65 MB |
12 | |
13 | ||
c24fdc88 HG |
14 | - reg - <int> - I2C slave address |
15 | ||
16 | ||
17 | Optional properties: | |
18 | ||
19 | - gpio-reset - gpio pin number used for codec reset | |
20 | - ai3x-gpio-func - <array of 2 int> - AIC3X_GPIO1 & AIC3X_GPIO2 Functionality | |
e2e8bfdf HG |
21 | - ai3x-micbias-vg - MicBias Voltage required. |
22 | 1 - MICBIAS output is powered to 2.0V, | |
23 | 2 - MICBIAS output is powered to 2.5V, | |
24 | 3 - MICBIAS output is connected to AVDD, | |
25 | If this node is not mentioned or if the value is incorrect, then MicBias | |
26 | is powered down. | |
be7c5926 JS |
27 | - AVDD-supply, IOVDD-supply, DRVDD-supply, DVDD-supply : power supplies for the |
28 | device as covered in Documentation/devicetree/bindings/regulator/regulator.txt | |
c24fdc88 | 29 | |
c9f3de41 JS |
30 | CODEC output pins: |
31 | * LLOUT | |
32 | * RLOUT | |
33 | * MONO_LOUT | |
34 | * HPLOUT | |
35 | * HPROUT | |
36 | * HPLCOM | |
37 | * HPRCOM | |
38 | ||
39 | CODEC input pins: | |
40 | * MIC3L | |
41 | * MIC3R | |
42 | * LINE1L | |
43 | * LINE2L | |
44 | * LINE1R | |
45 | * LINE2R | |
46 | ||
47 | The pins can be used in referring sound node's audio-routing property. | |
48 | ||
c24fdc88 HG |
49 | Example: |
50 | ||
51 | tlv320aic3x: tlv320aic3x@1b { | |
52 | compatible = "ti,tlv320aic3x"; | |
53 | reg = <0x1b>; | |
be7c5926 JS |
54 | |
55 | AVDD-supply = <®ulator>; | |
56 | IOVDD-supply = <®ulator>; | |
57 | DRVDD-supply = <®ulator>; | |
58 | DVDD-supply = <®ulator>; | |
c24fdc88 | 59 | }; |