1Intel GMA Bindings
2==================
3
4This is the Intel Graphics Media Accelerator. This binding supports selection
5of display parameters only.
6
7
8Required properties:
9 - compatible : "intel,gma";
10
11Optional properties:
12 - intel,dp-hotplug : values for digital port hotplug, one cell per value for
13     ports B, C and D
14  - intel,panel-port-select : output port to use: 0=LVDS 1=DP_B 2=DP_C 3=DP_D
15  - intel,panel-power-cycle-delay : T4 time sequence (6 = 500ms)
16
17  The following delays are in units of 0.1ms:
18  - intel,panel-power-up-delay : T1+T2 time sequence
19  - intel,panel-power-down-delay : T3 time sequence
20  - intel,panel-power-backlight-on-delay : T5 time sequence
21  - intel,panel-power-backlight-off-delay : Tx time sequence
22
23  - intel,cpu-backlight : Value for CPU Backlight PWM
24  - intel,pch-backlight : Value for PCH Backlight PWM
25
26Example
27-------
28
29gma {
30	compatible = "intel,gma";
31	intel,dp_hotplug = <0 0 0x06>;
32	intel,panel-port-select = <1>;
33	intel,panel-power-cycle-delay = <6>;
34	intel,panel-power-up-delay = <2000>;
35	intel,panel-power-down-delay = <500>;
36	intel,panel-power-backlight-on-delay = <2000>;
37	intel,panel-power-backlight-off-delay = <2000>;
38	intel,cpu-backlight = <0x00000200>;
39	intel,pch-backlight = <0x04000000>;
40};
41