--- rk3399/3288 系列平台接mipi 的dts 数据 panel-init-sequence = [] 命令的整法

亦凉 2021-12-10 13:37 316阅读 0赞

[https://blog.csdn.net/Shushan1/article/details/87858434][https_blog.csdn.net_Shushan1_article_details_87858434]

mipi 屏的数据手册  
  
dts sample:

&dsi {
            status = "okay";
    
            rockchip,lane-rate = <600>; 
    
            panel@0 {        
                compatible ="simple-panel-dsi";
                reg = <0>;
                backlight = <&backlight>;
                enable-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;    
                enable-delay-ms = <100>;
                prepare-delay-ms = <100>;
                reset-gpios = <&gpio4 30 GPIO_ACTIVE_HIGH>;      
                reset-delay-ms = <50>;
                init-delay-ms = <100>;
        
                dsi,flags = <(MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
                            MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET)>;
                dsi,format = <MIPI_DSI_FMT_RGB888>;
                dsi,lanes = <4>;
                status = "okay";
         
                panel-init-sequence = [
                    15 00 02 36 0A
                    39 00 03 B3 0A 7F
                    15 00 02 B4 00
                    39 00 06 B5 4C 14 14 00 20
                    39 00 08 B6 00 14 0F 16 13 9F 9F
                    39 00 04 C0 00 0A 10
                    15 0A 02 C2 6E
                    39 00 0D C3 01 66 13 23 00 66 85 33 20 38 38 00
                    39 00 06 C4 22 24 11 11 6D
                    39 00 0A D0 00 37 52 17 01 04 70 45 05
                    39 00 0A D1 00 37 52 17 01 04 70 45 05
                    39 00 0A D2 00 37 52 17 01 04 70 45 05
                    39 00 0A D3 00 37 52 17 01 04 70 45 05
                    39 00 0A D4 00 37 52 17 01 04 70 45 05
                    39 32 0A D5 00 37 52 17 01 04 70 45 05
                    05 96 01 11
                    05 00 01 29
                        ];
               
                display-timings {
                    native-mode = <&timing0>;
        
                    timing0: timing0 {
                        clock-frequency = <74250000>;
                        hactive = <768>;
                        vactive = <1024>;
                        hback-porch = <10>;
                        hfront-porch = <160>;
                        vback-porch = <40>;
                        vfront-porch = <16>;
                        hsync-len = <160>;
                        vsync-len = <10>;
                        hsync-active = <1>;
                        vsync-active = <1>;
                        de-active = <0>;
                        pixelclk-active = <1>;
                    };
                };
            }; 
    }

前面三个字节分别表示命令 ***类型( 0x05/0x15/0x39.)、 延时,  命令净荷长度***,

从第四个字节开始表示命令的有效 payload

其中:  
0x05命令类型是带1个参数,如:  
0x15命令类型是带2个参数,如  
0x39命令类型是带多个参数,即大于两个参数,如

转载于:https://www.cnblogs.com/bzhao/p/10769214.html

[https_blog.csdn.net_Shushan1_article_details_87858434]: https://blog.csdn.net/Shushan1/article/details/87858434