xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/pcm186x.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593SmuzhiyunTexas Instruments PCM186x Universal Audio ADC
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunThese devices support both I2C and SPI (configured with pin strapping
4*4882a593Smuzhiyunon the board).
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunRequired properties:
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun - compatible : "ti,pcm1862",
9*4882a593Smuzhiyun                "ti,pcm1863",
10*4882a593Smuzhiyun                "ti,pcm1864",
11*4882a593Smuzhiyun                "ti,pcm1865"
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun - reg : The I2C address of the device for I2C, the chip select
14*4882a593Smuzhiyun         number for SPI.
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun - avdd-supply: Analog core power supply (3.3v)
17*4882a593Smuzhiyun - dvdd-supply: Digital core power supply
18*4882a593Smuzhiyun - iovdd-supply: Digital IO power supply
19*4882a593Smuzhiyun        See regulator/regulator.txt for more information
20*4882a593Smuzhiyun
21*4882a593SmuzhiyunCODEC input pins:
22*4882a593Smuzhiyun * VINL1
23*4882a593Smuzhiyun * VINR1
24*4882a593Smuzhiyun * VINL2
25*4882a593Smuzhiyun * VINR2
26*4882a593Smuzhiyun * VINL3
27*4882a593Smuzhiyun * VINR3
28*4882a593Smuzhiyun * VINL4
29*4882a593Smuzhiyun * VINR4
30*4882a593Smuzhiyun
31*4882a593SmuzhiyunThe pins can be used in referring sound node's audio-routing property.
32*4882a593Smuzhiyun
33*4882a593SmuzhiyunExample:
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun	pcm186x: audio-codec@4a {
36*4882a593Smuzhiyun		compatible = "ti,pcm1865";
37*4882a593Smuzhiyun		reg = <0x4a>;
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun		avdd-supply = <&reg_3v3_analog>;
40*4882a593Smuzhiyun		dvdd-supply = <&reg_3v3>;
41*4882a593Smuzhiyun		iovdd-supply = <&reg_1v8>;
42*4882a593Smuzhiyun	};
43