ASoC: tlv320aic3x: Add regulators to DT bindings document
[firefly-linux-kernel-4.4.55.git] / Documentation / devicetree / bindings / sound / tlv320aic3x.txt
1 Texas Instruments - tlv320aic3x Codec module
2
3 The tlv320aic3x serial control bus communicates through I2C protocols
4
5 Required properties:
6
7 - compatible - "string" - One of:
8     "ti,tlv320aic3x" - Generic TLV320AIC3x device
9     "ti,tlv320aic33" - TLV320AIC33
10     "ti,tlv320aic3007" - TLV320AIC3007
11     "ti,tlv320aic3106" - TLV320AIC3106
12
13
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
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.
27 - AVDD-supply, IOVDD-supply, DRVDD-supply, DVDD-supply : power supplies for the
28   device as covered in Documentation/devicetree/bindings/regulator/regulator.txt
29
30 Example:
31
32 tlv320aic3x: tlv320aic3x@1b {
33         compatible = "ti,tlv320aic3x";
34         reg = <0x1b>;
35
36         AVDD-supply = <&regulator>;
37         IOVDD-supply = <&regulator>;
38         DRVDD-supply = <&regulator>;
39         DVDD-supply = <&regulator>;
40 };