xref: /freebsd/sys/contrib/device-tree/Bindings/sound/pcm186x.txt (revision fe75646a0234a261c0013bf1840fdac4acaf0cec) 
1Texas Instruments PCM186x Universal Audio ADC
2
3These devices support both I2C and SPI (configured with pin strapping
4on the board).
5
6Required properties:
7
8 - compatible : "ti,pcm1862",
9                "ti,pcm1863",
10                "ti,pcm1864",
11                "ti,pcm1865"
12
13 - reg : The I2C address of the device for I2C, the chip select
14         number for SPI.
15
16 - avdd-supply: Analog core power supply (3.3v)
17 - dvdd-supply: Digital core power supply
18 - iovdd-supply: Digital IO power supply
19        See regulator/regulator.txt for more information
20
21CODEC input pins:
22 * VINL1
23 * VINR1
24 * VINL2
25 * VINR2
26 * VINL3
27 * VINR3
28 * VINL4
29 * VINR4
30
31The pins can be used in referring sound node's audio-routing property.
32
33Example:
34
35	pcm186x: audio-codec@4a {
36		compatible = "ti,pcm1865";
37		reg = <0x4a>;
38
39		avdd-supply = <&reg_3v3_analog>;
40		dvdd-supply = <&reg_3v3>;
41		iovdd-supply = <&reg_1v8>;
42	};
43