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-Texas Instruments - tlv320aic31xx Codec module
-
-The tlv320aic31xx serial control bus communicates through I2C protocols
-
-Required properties:
-
-- compatible - "string" - One of:
-    "ti,tlv320aic310x" - Generic TLV320AIC31xx with mono speaker amp
-    "ti,tlv320aic311x" - Generic TLV320AIC31xx with stereo speaker amp
-    "ti,tlv320aic3100" - TLV320AIC3100 (mono speaker amp, no MiniDSP)
-    "ti,tlv320aic3110" - TLV320AIC3110 (stereo speaker amp, no MiniDSP)
-    "ti,tlv320aic3120" - TLV320AIC3120 (mono speaker amp, MiniDSP)
-    "ti,tlv320aic3111" - TLV320AIC3111 (stereo speaker amp, MiniDSP)
-    "ti,tlv320dac3100" - TLV320DAC3100 (no ADC, mono speaker amp, no MiniDSP)
-    "ti,tlv320dac3101" - TLV320DAC3101 (no ADC, stereo speaker amp, no MiniDSP)
-
-- reg - <int> -  I2C slave address
-- HPVDD-supply, SPRVDD-supply, SPLVDD-supply, AVDD-supply, IOVDD-supply,
-  DVDD-supply : power supplies for the device as covered in
-  Documentation/devicetree/bindings/regulator/regulator.txt
-
-
-Optional properties:
-
-- reset-gpios - GPIO specification for the active low RESET input.
-- ai31xx-micbias-vg - MicBias Voltage setting
-        1 or MICBIAS_2_0V - MICBIAS output is powered to 2.0V
-        2 or MICBIAS_2_5V - MICBIAS output is powered to 2.5V
-        3 or MICBIAS_AVDD - MICBIAS output is connected to AVDD
-	If this node is not mentioned or if the value is unknown, then
-	micbias	is set to 2.0V.
-- ai31xx-ocmv - output common-mode voltage setting
-        0 - 1.35V,
-        1 - 1.5V,
-        2 - 1.65V,
-        3 - 1.8V
-
-Deprecated properties:
-
-- gpio-reset - gpio pin number used for codec reset
-
-CODEC output pins:
-  * HPL
-  * HPR
-  * SPL, devices with stereo speaker amp
-  * SPR, devices with stereo speaker amp
-  * SPK, devices with mono speaker amp
-  * MICBIAS
-
-CODEC input pins:
-  * MIC1LP, devices with ADC
-  * MIC1RP, devices with ADC
-  * MIC1LM, devices with ADC
-  * AIN1, devices without ADC
-  * AIN2, devices without ADC
-
-The pins can be used in referring sound node's audio-routing property.
-
-Example:
-#include <dt-bindings/gpio/gpio.h>
-#include <dt-bindings/sound/tlv320aic31xx.h>
-
-tlv320aic31xx: tlv320aic31xx@18 {
-	compatible = "ti,tlv320aic311x";
-	reg = <0x18>;
-
-	ai31xx-micbias-vg = <MICBIAS_OFF>;
-
-	reset-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>;
-
-	HPVDD-supply = <&regulator>;
-	SPRVDD-supply = <&regulator>;
-	SPLVDD-supply = <&regulator>;
-	AVDD-supply = <&regulator>;
-	IOVDD-supply = <&regulator>;
-	DVDD-supply = <&regulator>;
-};