xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/display/bridge/sii9234.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunSilicon Image SiI9234 HDMI/MHL bridge bindings
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun	- compatible : "sil,sii9234".
5*4882a593Smuzhiyun	- reg : I2C address for TPI interface, use 0x39
6*4882a593Smuzhiyun	- avcc33-supply : MHL/USB Switch Supply Voltage (3.3V)
7*4882a593Smuzhiyun	- iovcc18-supply : I/O Supply Voltage (1.8V)
8*4882a593Smuzhiyun	- avcc12-supply : TMDS Analog Supply Voltage (1.2V)
9*4882a593Smuzhiyun	- cvcc12-supply : Digital Core Supply Voltage (1.2V)
10*4882a593Smuzhiyun	- interrupts: interrupt specifier of INT pin
11*4882a593Smuzhiyun	- reset-gpios: gpio specifier of RESET pin (active low)
12*4882a593Smuzhiyun	- video interfaces: Device node can contain two video interface port
13*4882a593Smuzhiyun			    nodes for HDMI encoder and connector according to [1].
14*4882a593Smuzhiyun			    - port@0 - MHL to HDMI
15*4882a593Smuzhiyun			    - port@1 - MHL to connector
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun
20*4882a593SmuzhiyunExample:
21*4882a593Smuzhiyun	sii9234@39 {
22*4882a593Smuzhiyun		compatible = "sil,sii9234";
23*4882a593Smuzhiyun		reg = <0x39>;
24*4882a593Smuzhiyun		avcc33-supply = <&vcc33mhl>;
25*4882a593Smuzhiyun		iovcc18-supply = <&vcc18mhl>;
26*4882a593Smuzhiyun		avcc12-supply = <&vsil12>;
27*4882a593Smuzhiyun		cvcc12-supply = <&vsil12>;
28*4882a593Smuzhiyun		reset-gpios = <&gpf3 4 GPIO_ACTIVE_LOW>;
29*4882a593Smuzhiyun		interrupt-parent = <&gpf3>;
30*4882a593Smuzhiyun		interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun		ports {
33*4882a593Smuzhiyun			#address-cells = <1>;
34*4882a593Smuzhiyun			#size-cells = <0>;
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun			port@0 {
37*4882a593Smuzhiyun				reg = <0>;
38*4882a593Smuzhiyun				mhl_to_hdmi: endpoint {
39*4882a593Smuzhiyun					remote-endpoint = <&hdmi_to_mhl>;
40*4882a593Smuzhiyun				};
41*4882a593Smuzhiyun			};
42*4882a593Smuzhiyun			port@1 {
43*4882a593Smuzhiyun				reg = <1>;
44*4882a593Smuzhiyun				mhl_to_connector: endpoint {
45*4882a593Smuzhiyun					remote-endpoint = <&connector_to_mhl>;
46*4882a593Smuzhiyun				};
47*4882a593Smuzhiyun			};
48*4882a593Smuzhiyun		};
49*4882a593Smuzhiyun	};
50