Documentation/devicetree/bindings/sound/ts3a227e.txt

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