Texas Instruments TS3A227E Autonomous Audio Accessory Detection and Configuration Switch The TS3A227E detect headsets of 3-ring and 4-ring standards and switches automatically to route the microphone correctly. It also handles key press detection in accordance with the Android audio headset specification v1.0. Required properties: - compatible: Should contain "ti,ts3a227e". - reg: The i2c address. Should contain <0x3b>. - interrupt-parent: The parent interrupt controller - interrupts: Interrupt number for /INT pin from the 227e Examples: i2c { ts3a227e@3b { compatible = "ti,ts3a227e"; reg = <0x3b>; interrupt-parent = <&gpio>; interrupts = <3 IRQ_TYPE_LEVEL_LOW>; }; };