1*effcf067SSimon GlassIntel GMA Bindings 2*effcf067SSimon Glass================== 3*effcf067SSimon Glass 4*effcf067SSimon GlassThis is the Intel Graphics Media Accelerator. This binding supports selection 5*effcf067SSimon Glassof display parameters only. 6*effcf067SSimon Glass 7*effcf067SSimon Glass 8*effcf067SSimon GlassRequired properties: 9*effcf067SSimon Glass - compatible : "intel,gma"; 10*effcf067SSimon Glass 11*effcf067SSimon GlassOptional properties: 12*effcf067SSimon Glass - intel,dp-hotplug : values for digital port hotplug, one cell per value for 13*effcf067SSimon Glass ports B, C and D 14*effcf067SSimon Glass - intel,panel-port-select : output port to use: 0=LVDS 1=DP_B 2=DP_C 3=DP_D 15*effcf067SSimon Glass - intel,panel-power-cycle-delay : T4 time sequence (6 = 500ms) 16*effcf067SSimon Glass 17*effcf067SSimon Glass The following delays are in units of 0.1ms: 18*effcf067SSimon Glass - intel,panel-power-up-delay : T1+T2 time sequence 19*effcf067SSimon Glass - intel,panel-power-down-delay : T3 time sequence 20*effcf067SSimon Glass - intel,panel-power-backlight-on-delay : T5 time sequence 21*effcf067SSimon Glass - intel,panel-power-backlight-off-delay : Tx time sequence 22*effcf067SSimon Glass 23*effcf067SSimon Glass - intel,cpu-backlight : Value for CPU Backlight PWM 24*effcf067SSimon Glass - intel,pch-backlight : Value for PCH Backlight PWM 25*effcf067SSimon Glass 26*effcf067SSimon GlassExample 27*effcf067SSimon Glass------- 28*effcf067SSimon Glass 29*effcf067SSimon Glassgma { 30*effcf067SSimon Glass compatible = "intel,gma"; 31*effcf067SSimon Glass intel,dp_hotplug = <0 0 0x06>; 32*effcf067SSimon Glass intel,panel-port-select = <1>; 33*effcf067SSimon Glass intel,panel-power-cycle-delay = <6>; 34*effcf067SSimon Glass intel,panel-power-up-delay = <2000>; 35*effcf067SSimon Glass intel,panel-power-down-delay = <500>; 36*effcf067SSimon Glass intel,panel-power-backlight-on-delay = <2000>; 37*effcf067SSimon Glass intel,panel-power-backlight-off-delay = <2000>; 38*effcf067SSimon Glass intel,cpu-backlight = <0x00000200>; 39*effcf067SSimon Glass intel,pch-backlight = <0x04000000>; 40*effcf067SSimon Glass}; 41