然后进入dts配置控制引脚
<span] status = "okay";
<span] compatible ="simple-panel-dsi";
<span]
<span] //power-supply = <&vcc_lcd>;
<span] //enable-gpios = <&gpio2 9 GPIO_ACTIVE_HIGH>; // tc35 stby 2_b1
<span] dsi,flags = <(MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
<span] dsi,format = <MIPI_DSI_FMT_RGB888>;
<span]
<span] prepare-delay-ms = <6>;
<span] delay,power = <10>;
<span]
<span] disable-delay-ms = <20>;
<span] size,width = <120>;
<span]
status = "okay";
<span]
[size=14.6667px] display-timings {
[size=14.6667px] native-mode = <&timing1>;
[size=14.6667px]
[size=14.6667px] timing0: timing0 {
[size=14.6667px] clock-frequency = <141000000>;
[size=14.6667px] hactive = <1920>; //<1080>;
[size=14.6667px] vactive = <1080>; //<1920>;
[size=14.6667px] //hback-porch = <118>;
[size=14.6667px] //hfront-porch = <118>;
[size=14.6667px] hback-porch = <18>;
[size=14.6667px] hfront-porch = <18>;
[size=14.6667px] vback-porch = <2>;
[size=14.6667px] vfront-porch = <12>;
[size=14.6667px] hsync-len = <4>;
[size=14.6667px] vsync-len = <4>;
[size=14.6667px] hsync-active = <0>;
[size=14.6667px] vsync-active = <0>;
[size=14.6667px] de-active = <0>;
[size=14.6667px] pixelclk-active = <0>;
[size=14.6667px]配置屏的参数
[size=14.6667px]修改完成后编译,生成img固件
[size=14.6667px]
[size=14.6667px]2、烧录
[size=14.6667px]下图蓝线为USB升级口
[size=14.6667px]下图xcy-3399主板有recover、reset按键,按住recover键不放 同时按一下reset,系统进入升级模式
当由于某种原因比如烧录错误固件导致uboot引导失败的时候,需要强行进入升级模式,需要把下面2个测试点用镊子短接在一起,然后插入12V电源。
LVDS完美显示
更多精彩教程可以进入www.sunychip.com的开发教程版块进行了解