Linux设备树笔记

1. 设备述概念：
   http://www.wowotech.net/linux_kenrel/dt_basic_concept.html
   http://blog.csdn.net/21cnbao/article/details/8457546
2. 设备树流程分析：
   http://blog.csdn.net/mrwangwang/article/details/36181131
   http://blog.csdn.net/mcgrady_tracy/article/details/42777969
3. PIN MUX 配置
   http://www.wowotech.net/linux_kenrel/pin-controller-driver.html