xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-rt5640.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunNVIDIA Tegra audio complex, with RT5640 CODEC
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun- compatible : "nvidia,tegra-audio-rt5640"
5*4882a593Smuzhiyun- clocks : Must contain an entry for each entry in clock-names.
6*4882a593Smuzhiyun  See ../clocks/clock-bindings.txt for details.
7*4882a593Smuzhiyun- clock-names : Must include the following entries:
8*4882a593Smuzhiyun  - pll_a
9*4882a593Smuzhiyun  - pll_a_out0
10*4882a593Smuzhiyun  - mclk (The Tegra cdev1/extern1 clock, which feeds the CODEC's mclk)
11*4882a593Smuzhiyun- nvidia,model : The user-visible name of this sound complex.
12*4882a593Smuzhiyun- nvidia,audio-routing : A list of the connections between audio components.
13*4882a593Smuzhiyun  Each entry is a pair of strings, the first being the connection's sink,
14*4882a593Smuzhiyun  the second being the connection's source. Valid names for sources and
15*4882a593Smuzhiyun  sinks are the RT5640's pins (as documented in its binding), and the jacks
16*4882a593Smuzhiyun  on the board:
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun  * Headphones
19*4882a593Smuzhiyun  * Speakers
20*4882a593Smuzhiyun  * Mic Jack
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun- nvidia,i2s-controller : The phandle of the Tegra I2S controller that's
23*4882a593Smuzhiyun  connected to the CODEC.
24*4882a593Smuzhiyun- nvidia,audio-codec : The phandle of the RT5640 audio codec. This binding
25*4882a593Smuzhiyun  assumes that AIF1 on the CODEC is connected to Tegra.
26*4882a593Smuzhiyun
27*4882a593SmuzhiyunOptional properties:
28*4882a593Smuzhiyun- nvidia,hp-det-gpios : The GPIO that detects headphones are plugged in
29*4882a593Smuzhiyun
30*4882a593SmuzhiyunExample:
31*4882a593Smuzhiyun
32*4882a593Smuzhiyunsound {
33*4882a593Smuzhiyun	compatible = "nvidia,tegra-audio-rt5640-dalmore",
34*4882a593Smuzhiyun			"nvidia,tegra-audio-rt5640";
35*4882a593Smuzhiyun	nvidia,model = "NVIDIA Tegra Dalmore";
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun	nvidia,audio-routing =
38*4882a593Smuzhiyun		"Headphones", "HPOR",
39*4882a593Smuzhiyun		"Headphones", "HPOL",
40*4882a593Smuzhiyun		"Speakers", "SPORP",
41*4882a593Smuzhiyun		"Speakers", "SPORN",
42*4882a593Smuzhiyun		"Speakers", "SPOLP",
43*4882a593Smuzhiyun		"Speakers", "SPOLN";
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun	nvidia,i2s-controller = <&tegra_i2s1>;
46*4882a593Smuzhiyun	nvidia,audio-codec = <&rt5640>;
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun	nvidia,hp-det-gpios = <&gpio 143 0>; /* GPIO PR7 */
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun	clocks = <&tegra_car 216>, <&tegra_car 217>, <&tegra_car 120>;
51*4882a593Smuzhiyun	clock-names = "pll_a", "pll_a_out0", "mclk";
52*4882a593Smuzhiyun};
53