1 TFP410 DPI to DVI encoder
2 =========================
3
4 Required properties:
5 - compatible: "ti,tfp410"
6
7 Optional properties:
8 - powerdown-gpios: power-down gpio
9 - reg: I2C address. If and only if present the device node should be placed
10 into the I2C controller node where the TFP410 I2C is connected to.
11 - ti,deskew: data de-skew in 350ps increments, from -4 to +3, as configured
12 through th DK[3:1] pins. This property shall be present only if the TFP410
13 is not connected through I2C.
14
15 Required nodes:
16
17 This device has two video ports. Their connections are modeled using the OF
18 graph bindings specified in [1]. Each port node shall have a single endpoint.
19
20 - Port 0 is the DPI input port. Its endpoint subnode shall contain a
21 pclk-sample and bus-width property and a remote-endpoint property as specified
22 in [1].
23 - If pclk-sample is not defined, pclk-sample = 0 should be assumed for
24 backward compatibility.
25 - If bus-width is not defined then bus-width = 24 should be assumed for
26 backward compatibility.
27 bus-width = 24: 24 data lines are connected and single-edge mode
28 bus-width = 12: 12 data lines are connected and dual-edge mode
29
30 - Port 1 is the DVI output port. Its endpoint subnode shall contain a
31 remote-endpoint property is specified in [1].
32
33 [1] Documentation/devicetree/bindings/media/video-interfaces.txt
34
35
36 Example
37 -------
38
39 tfp410: encoder@0 {
40 compatible = "ti,tfp410";
41 powerdown-gpios = <&twl_gpio 2 GPIO_ACTIVE_LOW>;
42 ti,deskew = <4>;
43
44 ports {
45 #address-cells = <1>;
46 #size-cells = <0>;
47
48 port@0 {
49 reg = <0>;
50
51 tfp410_in: endpoint@0 {
52 pclk-sample = <1>;
53 bus-width = <24>;
54 remote-endpoint = <&dpi_out>;
55 };
56 };
57
58 port@1 {
59 reg = <1>;
60
61 tfp410_out: endpoint@0 {
62 remote-endpoint = <&dvi_connector_in>;
63 };
64 };
65 };
66 };
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