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Linux 驱动开发 / gpio子系统 / 快速入门
哈喽,我是老吴,我来继续分享我的学习心得啦。 gpio 和 pinctrl 子系统在内核里的使用率非常高,和嵌入式产品的关联非常大。从这两个子系统开始学习驱动开发是个不错的入门选择。 本文主要关注 gpio 子系统,但是老吴认为必要先说明一下 pinctrl 子系统和 gpio ...
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