12345678910111213141516171819202122232425262728293031323334353637383940 |
- Intel GMA Bindings
- ==================
- This is the Intel Graphics Media Accelerator. This binding supports selection
- of display parameters only.
- Required properties:
- - compatible : "intel,gma";
- Optional properties:
- - intel,dp-hotplug : values for digital port hotplug, one cell per value for
- ports B, C and D
- - intel,panel-port-select : output port to use: 0=LVDS 1=DP_B 2=DP_C 3=DP_D
- - intel,panel-power-cycle-delay : T4 time sequence (6 = 500ms)
- The following delays are in units of 0.1ms:
- - intel,panel-power-up-delay : T1+T2 time sequence
- - intel,panel-power-down-delay : T3 time sequence
- - intel,panel-power-backlight-on-delay : T5 time sequence
- - intel,panel-power-backlight-off-delay : Tx time sequence
- - intel,cpu-backlight : Value for CPU Backlight PWM
- - intel,pch-backlight : Value for PCH Backlight PWM
- Example
- -------
- gma {
- compatible = "intel,gma";
- intel,dp_hotplug = <0 0 0x06>;
- intel,panel-port-select = <1>;
- intel,panel-power-cycle-delay = <6>;
- intel,panel-power-up-delay = <2000>;
- intel,panel-power-down-delay = <500>;
- intel,panel-power-backlight-on-delay = <2000>;
- intel,panel-power-backlight-off-delay = <2000>;
- intel,cpu-backlight = <0x00000200>;
- intel,pch-backlight = <0x04000000>;
- };
|