xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/ti,pcm3168a.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunTexas Instruments pcm3168a DT bindings
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunThis driver supports both SPI and I2C bus access for this codec
4*4882a593Smuzhiyun
5*4882a593SmuzhiyunRequired properties:
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun  - compatible: "ti,pcm3168a"
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun  - clocks : Contains an entry for each entry in clock-names
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun  - clock-names : Includes the following entries:
12*4882a593Smuzhiyun	"scki"	The system clock
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun  - VDD1-supply : Digital power supply regulator 1 (+3.3V)
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun  - VDD2-supply : Digital power supply regulator 2 (+3.3V)
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun  - VCCAD1-supply : ADC power supply regulator 1 (+5V)
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun  - VCCAD2-supply : ADC power supply regulator 2 (+5V)
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun  - VCCDA1-supply : DAC power supply regulator 1 (+5V)
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun  - VCCDA2-supply : DAC power supply regulator 2 (+5V)
25*4882a593Smuzhiyun
26*4882a593SmuzhiyunFor required properties on SPI/I2C, consult SPI/I2C device tree documentation
27*4882a593Smuzhiyun
28*4882a593SmuzhiyunOptional properties:
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun  - reset-gpios : Optional reset gpio line connected to RST pin of the codec.
31*4882a593Smuzhiyun		  The RST line is low active:
32*4882a593Smuzhiyun		  RST = low: device power-down
33*4882a593Smuzhiyun		  RST = high: device is enabled
34*4882a593Smuzhiyun
35*4882a593SmuzhiyunExamples:
36*4882a593Smuzhiyun
37*4882a593Smuzhiyuni2c0: i2c0@0 {
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun	...
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun	pcm3168a: audio-codec@44 {
42*4882a593Smuzhiyun		compatible = "ti,pcm3168a";
43*4882a593Smuzhiyun		reg = <0x44>;
44*4882a593Smuzhiyun		reset-gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
45*4882a593Smuzhiyun		clocks = <&clk_core CLK_AUDIO>;
46*4882a593Smuzhiyun		clock-names = "scki";
47*4882a593Smuzhiyun		VDD1-supply = <&supply3v3>;
48*4882a593Smuzhiyun		VDD2-supply = <&supply3v3>;
49*4882a593Smuzhiyun		VCCAD1-supply = <&supply5v0>;
50*4882a593Smuzhiyun		VCCAD2-supply = <&supply5v0>;
51*4882a593Smuzhiyun		VCCDA1-supply = <&supply5v0>;
52*4882a593Smuzhiyun		VCCDA2-supply = <&supply5v0>;
53*4882a593Smuzhiyun		pinctrl-names = "default";
54*4882a593Smuzhiyun		pinctrl-0 = <&dac_clk_pin>;
55*4882a593Smuzhiyun	};
56*4882a593Smuzhiyun};
57