名博推荐

http://blog.chinaunix.net/uid/20543672/cid-6422-list-1.html

gpio分析

http://blog.youkuaiyun.com/orz415678659/article/details/8625284

tty相关

http://blog.youkuaiyun.com/keminlau/article/details/6820982

http://www.linux.it/~rubini/docs/serial/serial.html

内核分析

http://blog.chinaunix.net/uid/20543183/cid-29899-list-1.html