GNU Linux-libre 4.14.266-gnu1
[releases.git] / Documentation / devicetree / bindings / display / via,vt8500-fb.txt
1 VIA VT8500 Framebuffer
2 -----------------------------------------------------
3
4 Required properties:
5 - compatible : "via,vt8500-fb"
6 - reg : Should contain 1 register ranges(address and length)
7 - interrupts : framebuffer controller interrupt
8 - bits-per-pixel : bit depth of framebuffer (16 or 32)
9
10 Required subnodes:
11 - display-timings: see display-timing.txt for information
12
13 Example:
14
15         fb@d8050800 {
16                 compatible = "via,vt8500-fb";
17                 reg = <0xd800e400 0x400>;
18                 interrupts = <12>;
19                 bits-per-pixel = <16>;
20
21                 display-timings {
22                         native-mode = <&timing0>;
23                         timing0: 800x480 {
24                                 clock-frequency = <0>; /* unused but required */
25                                 hactive = <800>;
26                                 vactive = <480>;
27                                 hfront-porch = <40>;
28                                 hback-porch = <88>;
29                                 hsync-len = <0>;
30                                 vback-porch = <32>;
31                                 vfront-porch = <11>;
32                                 vsync-len = <1>;
33                         };
34                 };
35         };
36