1*c66ec88fSEmmanuel VadotTexas Instruments TS3A227E 2*c66ec88fSEmmanuel VadotAutonomous Audio Accessory Detection and Configuration Switch 3*c66ec88fSEmmanuel Vadot 4*c66ec88fSEmmanuel VadotThe TS3A227E detect headsets of 3-ring and 4-ring standards and 5*c66ec88fSEmmanuel Vadotswitches automatically to route the microphone correctly. It also 6*c66ec88fSEmmanuel Vadothandles key press detection in accordance with the Android audio 7*c66ec88fSEmmanuel Vadotheadset specification v1.0. 8*c66ec88fSEmmanuel Vadot 9*c66ec88fSEmmanuel VadotRequired properties: 10*c66ec88fSEmmanuel Vadot 11*c66ec88fSEmmanuel Vadot - compatible: Should contain "ti,ts3a227e". 12*c66ec88fSEmmanuel Vadot - reg: The i2c address. Should contain <0x3b>. 13*c66ec88fSEmmanuel Vadot - interrupts: Interrupt number for /INT pin from the 227e 14*c66ec88fSEmmanuel Vadot 15*c66ec88fSEmmanuel VadotOptional properies: 16*c66ec88fSEmmanuel Vadot - ti,micbias: Intended MICBIAS voltage (datasheet section 9.6.7). 17*c66ec88fSEmmanuel Vadot Select 0/1/2/3/4/5/6/7 to specify MICBIAS voltage 18*c66ec88fSEmmanuel Vadot 2.1V/2.2V/2.3V/2.4V/2.5V/2.6V/2.7V/2.8V 19*c66ec88fSEmmanuel Vadot Default value is "1" (2.2V). 20*c66ec88fSEmmanuel Vadot 21*c66ec88fSEmmanuel VadotExamples: 22*c66ec88fSEmmanuel Vadot 23*c66ec88fSEmmanuel Vadot i2c { 24*c66ec88fSEmmanuel Vadot ts3a227e@3b { 25*c66ec88fSEmmanuel Vadot compatible = "ti,ts3a227e"; 26*c66ec88fSEmmanuel Vadot reg = <0x3b>; 27*c66ec88fSEmmanuel Vadot interrupt-parent = <&gpio>; 28*c66ec88fSEmmanuel Vadot interrupts = <3 IRQ_TYPE_LEVEL_LOW>; 29*c66ec88fSEmmanuel Vadot }; 30*c66ec88fSEmmanuel Vadot }; 31