xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/max98090.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunMAX98090 audio CODEC
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunThis device supports I2C only.
4*4882a593Smuzhiyun
5*4882a593SmuzhiyunRequired properties:
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun- compatible : "maxim,max98090" or "maxim,max98091".
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun- reg : The I2C address of the device.
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun- interrupts : The CODEC's interrupt output.
12*4882a593Smuzhiyun
13*4882a593SmuzhiyunOptional properties:
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun- clocks: The phandle of the master clock to the CODEC
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun- clock-names: Should be "mclk"
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun- #sound-dai-cells : should be 0.
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun- maxim,dmic-freq: Frequency at which to clock DMIC
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun- maxim,micbias: Micbias voltage applies to the analog mic, valid voltages value are:
24*4882a593Smuzhiyun	0 - 2.2v
25*4882a593Smuzhiyun	1 - 2.55v
26*4882a593Smuzhiyun	2 - 2.4v
27*4882a593Smuzhiyun	3 - 2.8v
28*4882a593Smuzhiyun
29*4882a593SmuzhiyunPins on the device (for linking into audio routes):
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun  * MIC1
32*4882a593Smuzhiyun  * MIC2
33*4882a593Smuzhiyun  * DMICL
34*4882a593Smuzhiyun  * DMICR
35*4882a593Smuzhiyun  * IN1
36*4882a593Smuzhiyun  * IN2
37*4882a593Smuzhiyun  * IN3
38*4882a593Smuzhiyun  * IN4
39*4882a593Smuzhiyun  * IN5
40*4882a593Smuzhiyun  * IN6
41*4882a593Smuzhiyun  * IN12
42*4882a593Smuzhiyun  * IN34
43*4882a593Smuzhiyun  * IN56
44*4882a593Smuzhiyun  * HPL
45*4882a593Smuzhiyun  * HPR
46*4882a593Smuzhiyun  * SPKL
47*4882a593Smuzhiyun  * SPKR
48*4882a593Smuzhiyun  * RCVL
49*4882a593Smuzhiyun  * RCVR
50*4882a593Smuzhiyun  * MICBIAS
51*4882a593Smuzhiyun
52*4882a593SmuzhiyunExample:
53*4882a593Smuzhiyun
54*4882a593Smuzhiyunaudio-codec@10 {
55*4882a593Smuzhiyun	compatible = "maxim,max98090";
56*4882a593Smuzhiyun	reg = <0x10>;
57*4882a593Smuzhiyun	interrupt-parent = <&gpio>;
58*4882a593Smuzhiyun	interrupts = <TEGRA_GPIO(H, 4) IRQ_TYPE_LEVEL_HIGH>;
59*4882a593Smuzhiyun};
60