
正文
--- rk3399/3288 系列平台接mipi 的dts 数据 panel-init-sequence = [] 命令的整法
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https://blog.csdn.net/Shushan1/article/details/87858434
mipi 屏的数据手册
dts sample:
&dsi {
status = "okay";
rockchip,lane-rate = <>;
panel@ {
compatible ="simple-panel-dsi";
reg = <>;
backlight = <&backlight>;
enable-gpios = <&gpio1 GPIO_ACTIVE_HIGH>;
enable-delay-ms = <>;
prepare-delay-ms = <>;
reset-gpios = <&gpio4 GPIO_ACTIVE_HIGH>;
reset-delay-ms = <>;
init-delay-ms = <>;
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 = <>;
status = "okay";
panel-init-sequence = [
0A
B3 0A 7F
B4
B5 4C
B6 0F 9F 9F
C0 0A
0A C2 6E
0D C3
C4 6D
0A D0
0A D1
0A D2
0A D3
0A D4
0A D5
];
display-timings {
native-mode = <&timing0>;
timing0: timing0 {
clock-frequency = <>;
hactive = <>;
vactive = <>;
hback-porch = <>;
hfront-porch = <>;
vback-porch = <>;
vfront-porch = <>;
hsync-len = <>;
vsync-len = <>;
hsync-active = <>;
vsync-active = <>;
de-active = <>;
pixelclk-active = <>;
};
};
};
}
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






