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am335x uart4调试问题

Liping Chen1
Prodigy 70 points


我的内核版本是linux-4.9.28+gitAUTOINC+eed43d1050-geed43d1050an,

uart0,1,2都通了,uart4也能找到设备,并进行配置,就是收发数据不通,想问下,除了am335x-evm.dts中,

内核源码中关于am335x引脚复用的源文件名字和位置在哪里,谢谢了.