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 - interrupts: Interrupt number for /INT pin from the 227e
14
15 Optional properies:
16 - ti,micbias: Intended MICBIAS voltage (datasheet section 9.6.7).
17 Select 0/1/2/3/4/5/6/7 to specify MICBIAS voltage
18 2.1V/2.2V/2.3V/2.4V/2.5V/2.6V/2.7V/2.8V
19 Default value is "1" (2.2V).
20
21 Examples:
22
23 i2c {
24 ts3a227e@3b {
25 compatible = "ti,ts3a227e";
26 reg = <0x3b>;
27 interrupt-parent = <&gpio>;
28 interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
29 };
30 };
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