1 Texas Instruments - tlv320aic3x Codec module
3 The tlv320aic3x serial control bus communicates through I2C protocols
7 - compatible - "string" - One of:
8 "ti,tlv320aic3x" - Generic TLV320AIC3x device
9 "ti,tlv320aic33" - TLV320AIC33
10 "ti,tlv320aic3007" - TLV320AIC3007
11 "ti,tlv320aic3106" - TLV320AIC3106
12 "ti,tlv320aic3104" - TLV320AIC3104
15 - reg - <int> - I2C slave address
20 - reset-gpios - GPIO specification for the active low RESET input.
21 - ai3x-gpio-func - <array of 2 int> - AIC3X_GPIO1 & AIC3X_GPIO2 Functionality
22 - Not supported on tlv320aic3104
23 - ai3x-micbias-vg - MicBias Voltage required.
24 1 - MICBIAS output is powered to 2.0V,
25 2 - MICBIAS output is powered to 2.5V,
26 3 - MICBIAS output is connected to AVDD,
27 If this node is not mentioned or if the value is incorrect, then MicBias
29 - ai3x-ocmv - Output Common-Mode Voltage selection:
34 - AVDD-supply, IOVDD-supply, DRVDD-supply, DVDD-supply : power supplies for the
35 device as covered in Documentation/devicetree/bindings/regulator/regulator.txt
37 Deprecated properties:
39 - gpio-reset - gpio pin number used for codec reset
50 CODEC input pins for TLV320AIC3104:
56 CODEC input pins for other compatible codecs:
64 The pins can be used in referring sound node's audio-routing property.
68 #include <dt-bindings/gpio/gpio.h>
70 tlv320aic3x: tlv320aic3x@1b {
71 compatible = "ti,tlv320aic3x";
74 reset-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>;
76 AVDD-supply = <®ulator>;
77 IOVDD-supply = <®ulator>;
78 DRVDD-supply = <®ulator>;
79 DVDD-supply = <®ulator>;