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AIO-3399J LVDS

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Posted at 6/6/2018 19:58:49      1#
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Posted at 6/7/2018 14:19:48      2#
首先用示波器量一下mipi clk是否有输出
775这个片子需要dsi时钟,然后复位,3399发mipi cmd初始化
先不用接屏,正常情况下lvds都会有稳定时钟输出
我就说几个关键点
1、3399 mipi输出时钟要正确稳定;
2:mipi时钟正常后775才能复位发送mipi命令
3、dts命令参数需要根据lvds屏微调几个寄存器,这个需要问东芝拿文档
4、dts里把lvds,edp等都有disabled,保证vop控制器只输出mipi信号
                   -------摘取  Firefly开源技术交流②    ywmen 描述
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Posted at 6/7/2018 19:52:30      3#
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