可以用firefly-RK3288-reload 的LCD0 直接输出显示吗
我想直接用reload的LCD0 D0-D23 DEN DCLK 来输出显示，修改了.dst, dsti,但是clk一直没有输出。
求问该怎么设置？
/*
* Copyright (C) 2018 Embodied
* arch/arm/boot/dts/lcd-HX7027.dtsi
* create date: 2018-03-19
* lcd model: HX7027-FPC-F
* resolution: 640X480
*/
/ {
disp_power_ctr: power_ctr {
/* rockchip,debug = <0>;
lcd_en:lcd_en {
rockchip,power_type = <GPIO>;
gpios = <&gpio0 GPIO_B0 GPIO_ACTIVE_HIGH>;
rockchip,delay = <10>;
};
bl_en:bl_en {
rockchip,power_type = <GPIO>;
gpios = <&gpio0 GPIO_A2 GPIO_ACTIVE_HIGH>;
rockchip,delay = <10>;
};
bl_ctr:bl_ctr {
rockchip,power_type = <GPIO>;
gpios = <&gpio3 GPIO_D6 GPIO_ACTIVE_HIGH>;
rockchip,delay = <10>;
};
lcd_rst:lcd_rst {
rockchip,power_type = <REGULATOR>;
rockchip,delay = <5>;
};*/
};
disp_timings: display-timings {
native-mode = <&timing0>;
compatible = "rockchip,display-timings";
//timeing0 set for hx7027
timing0: timing0 {
screen-type = <SCREEN_RGB>;
out-face = <OUT_P888>;
color-mode = <COLOR_RGB>;
clock-frequency = <40000000>;
hactive = <640>;
vactive = <480>;
hback-porch = <23>;
hfront-porch = <23>;
vback-porch = <3>;
vfront-porch = <3>;
hsync-len = <23>;
vsync-len = <3>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
swap-rb = <0>;
swap-rg = <0>;
swap-gb = <0>;
};
timing1: timing1 {
screen-type = <SCREEN_RGB>;
out-face = <OUT_P888>;
color-mode = <COLOR_YCBCR>;
clock-frequency = <148500000>;
hactive = <1920>;
vactive = <1080>;
hback-porch = <148>;
hfront-porch = <88>;
vback-porch = <36>;
vfront-porch = <4>;
hsync-len = <44>;
vsync-len = <5>;
hsync-active = <1>;
vsync-active = <1>;
de-active = <0>;
pixelclk-active = <0>;
swap-rb = <0>;
swap-rg = <0>;
swap-gb = <0>;
};
timing2: timing2 {
screen-type = <SCREEN_RGB>;
out-face = <OUT_P888>;
color-mode = <COLOR_YCBCR>;
clock-frequency = <297000000>;
hactive = <3840>;
vactive = <2160>;
hback-porch = <296>;
hfront-porch = <176>;
vback-porch = <72>;
vfront-porch = <8>;
hsync-len = <88>;
vsync-len = <10>;
hsync-active = <1>;
vsync-active = <1>;
de-active = <0>;
pixelclk-active = <0>;
swap-rb = <0>;
swap-rg = <0>;
swap-gb = <0>;
};
};
};
Firefly-rk3288-reload.dts 配置
&fb {
rockchip,disp-mode = <DUAL>;
rockchip,uboot-logo-on = <0>;
//rockchip,disp-policy = <DISPLAY_POLICY_BOX>;
};
&disp_timings {
native-mode = <&timing0>;
};
&rk_screen {
display-timings = <&disp_timings>;
};
/*lcdc0 as PRMRY(HDMI)*/
&lcdc0 {
status = "okay";
rockchip,iommu-enabled = <1>;
rockchip,prop = <PRMRY>;
};
&lcdc1 {
status = "okay";
rockchip,iommu-enabled = <1>;
rockchip,prop = <EXTEND>;
};
&hdmi {
status = "okay";
rockchip,cec_enable = <0>;
rockchip,hdcp_enable = <0>;
rockchip,hdmi_audio_source = <1>;
};
楼主是要点亮 淘宝15元买的微型投影的光机吗？点亮了没?
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