一.RK3288 android5.1 屏参
screen-type = 3;-------------------------------------------屏幕类型 lvds-format = 0;-------------------------------------------LVDS 信号的分配方式 out-face =33 ;------------------------------------------表示屏幕采用多少位的接线方式 color-mode = 0; clock-frequency = 175000000;-------------------------------屏幕的点时钟 hactive = 1920;--------------------------------------------屏幕横向分辨率 Horizontal Valid vactive = 1080;--------------------------------------------屏幕纵向分辨率 Vertical Valid hback-porch = 100;-----------------------------------------左边界 Horizontal Back Porch hfront-porch = 18;-----------------------------------------右边界 Horizontal Front Porch vback-porch = 8;-------------------------------------------上边界 Vertical Back Porch vfront-porch = 6;------------------------------------------下边界 Vertical Front Porch hsync-len = 10;--------------------------------------------水平同步信号宽度 Horizontal Pulse Width vsync-len = 2;---------------------------------------------垂直同步信号宽度 Vertical Pulse Width hsync-active = 0; vsync-active = 0; de-active = 0; pixelclk-active = 0; swap-rb = 0; swap-rg = 0; swap-gb = 0; pwm_polarity = 0;------------------------------------------PWM 背光极性
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四.规格书的时序参数表
时钟dclk 频率: clock-frequency = 78 MHZ 水平总周期 = 1606 hactive + hback-porch + hfront-porch + hsync-len = horizontal period(水平总周期) hback-porch + hfront-porch + hsync-len = horizontal period - hactive = 1606 - 1366 148 88 44 = 240 垂直总周期 = 808 vactive + vback-porch + vfront-porch + vsync-active = vertical period(垂直总周期) vback-porch + vfront-porch + vsync-active = vertical period - vactive = 808 - 768 30 5 5 = 40
原文：https://www.cnblogs.com/crushgirl/p/14584983.html