8.屏幕 =========== 目前SC-3568HA支持MIPI0，MIPI1，EDP，HDMI，四种显示方式，默认显示为MIPI0+HDMI同显 需要切换屏幕使用时，修改arch/arm64/boot/dts/rockchip/rk3568-toybrick-x0-linux.dts 修改如下： .. code-block:: c :linenos: //使用mipi0 /dts-v1/; #include "rk3568.dtsi" #include "rk3568-linux.dtsi" #include "rk3568-toybrick-x0.dtsi" #include "rk3568-toybrick-mipi-tx0-beiqicloud.dtsi" //#include "rk3568-toybrick-mipi-tx1.dtsi" //#include "rk3568-toybrick-edp.dtsi" //使用mipi1 /dts-v1/; #include "rk3568.dtsi" #include "rk3568-linux.dtsi" #include "rk3568-toybrick-x0.dtsi" //#include "rk3568-toybrick-mipi-tx0-beiqicloud.dtsi" #include "rk3568-toybrick-mipi-tx1.dtsi" //#include "rk3568-toybrick-edp.dtsi" //使用edp /dts-v1/; #include "rk3568.dtsi" #include "rk3568-linux.dtsi" #include "rk3568-toybrick-x0.dtsi" //#include "rk3568-toybrick-mipi-tx0-beiqicloud.dtsi" //include "rk3568-toybrick-mipi-tx1.dtsi" #include "rk3568-toybrick-edp.dtsi" **8.1 MIPI0 DTS配置** -------------- 修改MIPI0配置需要修改arch/arm64/boot/dts/rockchiprk3568-toybrick-mipi-tx0-beiqicloud.dtsi .. code-block:: c :linenos: //HOST &dsi0 { status = "okay"; //PANEL dsi0_panel: panel@0 { compatible = "simple-panel-dsi"; reg = <0>; backlight = <&backlight>; //使用第一路backlight // power-supply = <&lcd_pwr>; prepare-delay-ms = <2>; reset-delay-ms = <100>; init-delay-ms = <20>; pinctrl-names = "default"; pinctrl-0 = <&mipi_power_en>; enable-gpios = <&gpio3 RK_PB5 GPIO_ACTIVE_HIGH>; enable-delay-ms = <120>; disable-delay-ms = <50>; unprepare-delay-ms = <20>; width-mm = <68>; height-mm = <121>; dsi,flags = <(MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET)>; dsi,format = ; dsi,lanes = <4>; pnel-type = <5>; //初始化代码 panel-init-sequence = [ 05 64 01 11 39 00 04 FF 98 81 03 15 00 02 01 00 15 00 02 02 00 ...... 05 32 01 29 15 00 02 35 00 ]; panel-exit-sequence = [ 05 32 01 28 05 C8 01 10 ]; //屏幕timing参数 disp_timings:display-timings { native-mode = <&dsi0_timing0>; dsi0_timing0: timing0 { clock-frequency = <75000000>; hactive = <720>; vactive = <1280>; hfront-porch = <40>; hsync-len = <10>; hback-porch = <40>; vfront-porch = <10>; vsync-len = <36>; vback-porch = <15>; hsync-active = <0>; vsync-active = <0>; de-active = <0>; pixelclk-active = <0>; }; }; ports { #address-cells = <1>; #size-cells = <0>; port@0 { reg = <0>; panel_in_dsi: endpoint { remote-endpoint = <&dsi_out_panel>; }; }; }; }; ports { #address-cells = <1>; #size-cells = <0>; port@1 { reg = <1>; dsi_out_panel: endpoint { remote-endpoint = <&panel_in_dsi>; }; }; }; }; //VOP Routing （画面显示在VOP1上） &dsi0_in_vp0 { status = "disabled"; }; &dsi0_in_vp1 { status = "okay"; }; //BACKLIGHT &backlight { status = "okay"; }; //PHY &video_phy0 { status = "okay"; }; //LOGO (开机LOGO也对应VOP1) &route_dsi0 { status = "okay"; connect = <&vp1_out_dsi0>; }; //GPIO0_C7为屏幕供电使能脚 &vcc3v3_lcd0_n { gpio = <&gpio0 RK_PC7 GPIO_ACTIVE_HIGH>; regulator-always-on; enable-active-high; }; //配置屏幕使能脚复用为GPIO &pinctrl { mipi_pwren { mipi_power_en: mipi_power_en { rockchip,pins = <3 RK_PB5 RK_FUNC_GPIO &pcfg_output_high>; }; }; }; **8.2 MIPI1 DTS配置** -------------- 修改MIPI1配置需要修改arch/arm64/boot/dts/rockchiprk3568-toybrick-mipi-tx1.dtsi .. code-block:: c :linenos: //HOST &dsi1 { status = "okay"; }; //PANEL &dsi1_panel { status = "okay"; compatible = "simple-panel-dsi"; reg = <0>; backlight = <&backlight1>; //使用第二路backlight // power-supply = <&lcd_pwr>; prepare-delay-ms = <2>; reset-delay-ms = <100>; init-delay-ms = <20>; pinctrl-names = "default"; pinctrl-0 = <&mipi1_power_en>; enable-gpios = <&gpio3 RK_PB6 GPIO_ACTIVE_HIGH>; enable-delay-ms = <120>; disable-delay-ms = <50>; unprepare-delay-ms = <20>; width-mm = <68>; height-mm = <121>; dsi,flags = <(MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET)>; dsi,format = ; dsi,lanes = <4>; pnel-type = <5>; //初始化代码 panel-init-sequence = [ 05 64 01 11 39 00 04 FF 98 81 03 15 00 02 01 00 ...... 15 00 02 D2 65 15 00 02 D3 3F 39 00 04 FF 98 81 00 05 32 01 29 15 00 02 35 00 ]; panel-exit-sequence = [ 05 32 01 28 05 C8 01 10 ]; disp1_timings:display-timings { native-mode = <&dsi1_timing0>; dsi1_timing0: timing0 { clock-frequency = <75000000>; hactive = <720>; vactive = <1280>; hfront-porch = <40>; hsync-len = <10>; hback-porch = <40>; vfront-porch = <10>; vsync-len = <36>; vback-porch = <15>; hsync-active = <0>; vsync-active = <0>; de-active = <0>; pixelclk-active = <0>; }; }; ports { #address-cells = <1>; #size-cells = <0>; port@0 { reg = <0>; panel_in_dsi1: endpoint { remote-endpoint = <&dsi1_out_panel>; }; }; }; }; //VOP Routing （画面显示在VOP1上） &dsi1_in_vp0 { status = "disabled"; }; &dsi1_in_vp1 { status = "okay"; }; //BACKLIGHT &backlight1 { status = "okay"; }; //PHY &video_phy1 { status = "okay"; }; //LOGO (开机LOGO也对应VOP1) &route_dsi1{ status = "okay"; connect = <&vp1_out_dsi1>; }; //GPIO0_C5为屏幕供电使能脚 &vcc3v3_lcd1_n { gpio = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>; regulator-always-on; enable-active-high; }; //配置屏幕使能脚复用为GPIO &pinctrl { mipi1_pwren { mipi1_power_en: mipi1_power_en { rockchip,pins = <3 RK_PB6 RK_FUNC_GPIO &pcfg_output_high>; }; }; }; **8.3 EDP DTS配置** -------------- 修改EDP配置需要修改arch/arm64/boot/dts/rockchiprk3568-toybrick-edp.dtsi .. code-block:: c :linenos: //HOST &edp { status = "okay"; force-hpd; ports { port@1 { reg = <1>; edp_out: endpoint { remote-endpoint = <&panel_in>; }; }; }; }; //PANEL edp_panel: edp_panel { compatible = "simple-panel"; backlight = <&backlight>; //使用第一路BACKLIGHT prepare-delay-ms = <20>; enable-delay-ms = <20>; reset-delay-ms = <20>; //屏幕timing参数 display-timings { native-mode = <&timing0>; timing0: timing0 { clock-frequency = <153000000>; hactive = <1920>; vactive = <1080>; hfront-porch = <160>; hsync-len = <20>; hback-porch = <140>; vfront-porch = <25>; vsync-len = <10>; vback-porch = <25>; hsync-active = <0>; vsync-active = <0>; de-active = <0>; pixelclk-active = <0>; }; }; ports { panel_in: endpoint { remote-endpoint = <&edp_out>; }; }; }; //BACKLIGHT &backlight { status = "okay"; enable-gpios = <&gpio3 RK_PB5 GPIO_ACTIVE_HIGH>; //背光使能脚 pinctrl-names = "default"; pinctrl-0 = <&backlight_en>; }; //PHY &edp_phy { status = "okay"; }; //VOP Routing （画面显示在VOP1上） &edp_in_vp0 { status = "disabled"; }; &edp_in_vp1 { status = "okay"; }; //LOGO (开机LOGO也对应VOP1) &route_edp { status = "okay"; connect = <&vp1_out_edp>; }; //GPIO0_C7为屏幕供电使能脚 &vcc3v3_lcd0_n { gpio = <&gpio0 RK_PC7 GPIO_ACTIVE_HIGH>; enable-active-high; }; //配置背光使能脚复用为GPIO &pinctrl{ backlight { backlight_en: backlight-en { rockchip,pins = <3 RK_PB5 RK_FUNC_GPIO &pcfg_pull_up>; }; }; }; **8.4 HDMI DTS配置** -------------- HDMI默认常开且画面投射到VOP0上，若需要关闭则修改rch/arm64/boot/dts/rockchip/rk3568-toybrick-x0-linux.dts 修改如下： .. code-block:: c :linenos: &hdmi{ status = "disabled"; }; //关闭hdmi音频 &hdmi_sound{ status = "disabled"; };