xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/amlogic,g12a-tohdmitx.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun* Amlogic HDMI Tx control glue
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun- compatible: "amlogic,g12a-tohdmitx" or
5*4882a593Smuzhiyun	      "amlogic,sm1-tohdmitx"
6*4882a593Smuzhiyun- reg: physical base address of the controller and length of memory
7*4882a593Smuzhiyun       mapped region.
8*4882a593Smuzhiyun- #sound-dai-cells: should be 1.
9*4882a593Smuzhiyun- resets: phandle to the dedicated reset line of the hdmitx glue.
10*4882a593Smuzhiyun
11*4882a593SmuzhiyunExample on the S905X2 SoC:
12*4882a593Smuzhiyun
13*4882a593Smuzhiyuntohdmitx: audio-controller@744 {
14*4882a593Smuzhiyun	compatible = "amlogic,g12a-tohdmitx";
15*4882a593Smuzhiyun	reg = <0x0 0x744 0x0 0x4>;
16*4882a593Smuzhiyun	#sound-dai-cells = <1>;
17*4882a593Smuzhiyun	resets = <&clkc_audio AUD_RESET_TOHDMITX>;
18*4882a593Smuzhiyun};
19*4882a593Smuzhiyun
20*4882a593SmuzhiyunExample of an 'amlogic,axg-sound-card':
21*4882a593Smuzhiyun
22*4882a593Smuzhiyunsound {
23*4882a593Smuzhiyun	compatible = "amlogic,axg-sound-card";
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun[...]
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun	dai-link-x {
28*4882a593Smuzhiyun		sound-dai = <&tdmif_a>;
29*4882a593Smuzhiyun		dai-format = "i2s";
30*4882a593Smuzhiyun		dai-tdm-slot-tx-mask-0 = <1 1>;
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun		codec-0 {
33*4882a593Smuzhiyun			sound-dai = <&tohdmitx TOHDMITX_I2S_IN_A>;
34*4882a593Smuzhiyun		};
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun		codec-1 {
37*4882a593Smuzhiyun			sound-dai = <&external_dac>;
38*4882a593Smuzhiyun		};
39*4882a593Smuzhiyun	};
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun	dai-link-y {
42*4882a593Smuzhiyun		sound-dai = <&tdmif_c>;
43*4882a593Smuzhiyun		dai-format = "i2s";
44*4882a593Smuzhiyun		dai-tdm-slot-tx-mask-0 = <1 1>;
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun		codec {
47*4882a593Smuzhiyun			sound-dai = <&tohdmitx TOHDMITX_I2S_IN_C>;
48*4882a593Smuzhiyun		};
49*4882a593Smuzhiyun	};
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun	dai-link-z {
52*4882a593Smuzhiyun		sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun		codec {
55*4882a593Smuzhiyun			sound-dai = <&hdmi_tx>;
56*4882a593Smuzhiyun		};
57*4882a593Smuzhiyun	};
58*4882a593Smuzhiyun};
59