1*4882a593SmuzhiyunTexas Instruments - tlv320aic3x Codec module 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunThe tlv320aic3x serial control bus communicates through I2C protocols 4*4882a593Smuzhiyun 5*4882a593SmuzhiyunRequired properties: 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun- compatible - "string" - One of: 8*4882a593Smuzhiyun "ti,tlv320aic3x" - Generic TLV320AIC3x device 9*4882a593Smuzhiyun "ti,tlv320aic33" - TLV320AIC33 10*4882a593Smuzhiyun "ti,tlv320aic3007" - TLV320AIC3007 11*4882a593Smuzhiyun "ti,tlv320aic3106" - TLV320AIC3106 12*4882a593Smuzhiyun "ti,tlv320aic3104" - TLV320AIC3104 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun- reg - <int> - I2C slave address 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun 18*4882a593SmuzhiyunOptional properties: 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun- reset-gpios - GPIO specification for the active low RESET input. 21*4882a593Smuzhiyun- ai3x-gpio-func - <array of 2 int> - AIC3X_GPIO1 & AIC3X_GPIO2 Functionality 22*4882a593Smuzhiyun - Not supported on tlv320aic3104 23*4882a593Smuzhiyun- ai3x-micbias-vg - MicBias Voltage required. 24*4882a593Smuzhiyun 1 - MICBIAS output is powered to 2.0V, 25*4882a593Smuzhiyun 2 - MICBIAS output is powered to 2.5V, 26*4882a593Smuzhiyun 3 - MICBIAS output is connected to AVDD, 27*4882a593Smuzhiyun If this node is not mentioned or if the value is incorrect, then MicBias 28*4882a593Smuzhiyun is powered down. 29*4882a593Smuzhiyun- ai3x-ocmv - Output Common-Mode Voltage selection: 30*4882a593Smuzhiyun 0 - 1.35V, 31*4882a593Smuzhiyun 1 - 1.5V, 32*4882a593Smuzhiyun 2 - 1.65V, 33*4882a593Smuzhiyun 3 - 1.8V 34*4882a593Smuzhiyun- AVDD-supply, IOVDD-supply, DRVDD-supply, DVDD-supply : power supplies for the 35*4882a593Smuzhiyun device as covered in Documentation/devicetree/bindings/regulator/regulator.txt 36*4882a593Smuzhiyun 37*4882a593SmuzhiyunDeprecated properties: 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun- gpio-reset - gpio pin number used for codec reset 40*4882a593Smuzhiyun 41*4882a593SmuzhiyunCODEC output pins: 42*4882a593Smuzhiyun * LLOUT 43*4882a593Smuzhiyun * RLOUT 44*4882a593Smuzhiyun * MONO_LOUT 45*4882a593Smuzhiyun * HPLOUT 46*4882a593Smuzhiyun * HPROUT 47*4882a593Smuzhiyun * HPLCOM 48*4882a593Smuzhiyun * HPRCOM 49*4882a593Smuzhiyun 50*4882a593SmuzhiyunCODEC input pins for TLV320AIC3104: 51*4882a593Smuzhiyun * MIC2L 52*4882a593Smuzhiyun * MIC2R 53*4882a593Smuzhiyun * LINE1L 54*4882a593Smuzhiyun * LINE1R 55*4882a593Smuzhiyun 56*4882a593SmuzhiyunCODEC input pins for other compatible codecs: 57*4882a593Smuzhiyun * MIC3L 58*4882a593Smuzhiyun * MIC3R 59*4882a593Smuzhiyun * LINE1L 60*4882a593Smuzhiyun * LINE2L 61*4882a593Smuzhiyun * LINE1R 62*4882a593Smuzhiyun * LINE2R 63*4882a593Smuzhiyun 64*4882a593SmuzhiyunThe pins can be used in referring sound node's audio-routing property. 65*4882a593Smuzhiyun 66*4882a593SmuzhiyunExample: 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun#include <dt-bindings/gpio/gpio.h> 69*4882a593Smuzhiyun 70*4882a593Smuzhiyuntlv320aic3x: tlv320aic3x@1b { 71*4882a593Smuzhiyun compatible = "ti,tlv320aic3x"; 72*4882a593Smuzhiyun reg = <0x1b>; 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun reset-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>; 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun AVDD-supply = <®ulator>; 77*4882a593Smuzhiyun IOVDD-supply = <®ulator>; 78*4882a593Smuzhiyun DRVDD-supply = <®ulator>; 79*4882a593Smuzhiyun DVDD-supply = <®ulator>; 80*4882a593Smuzhiyun}; 81