[uboot传参到内核](../uboot%E4%BC%A0%E5%8F%82%E5%88%B0%E5%86%85%E6%A0%B8.md) [gpio pinctrl子系统](../gpiopinctrl%E5%AD%90%E7%B3%BB%E7%BB%9F.md) [常用头文件和功能](%E9%A9%B1%E5%8A%A8%E5%BC%80%E5%8F%91/%E5%86%85%E6%A0%B8%E7%9A%84%E7%BB%84%E6%88%90.md) [linux内核和内核编程](%E9%A9%B1%E5%8A%A8%E5%BC%80%E5%8F%91/%E9%A9%B1%E5%8A%A8%E6%A8%A1%E6%9D%BF.md) [设备树教程](%E9%A9%B1%E5%8A%A8%E5%BC%80%E5%8F%91/%E8%AE%BE%E5%A4%87%E6%A0%91%E6%95%99%E7%A8%8B.md) [字符设备驱动](../%E5%AD%97%E7%AC%A6%E8%AE%BE%E5%A4%87%E9%A9%B1%E5%8A%A8.md) [并发与竞争](../%E5%86%85%E6%A0%B8%E7%BC%96%E8%AF%91%E5%8A%A0%E8%BD%BD.md) [阻塞和非阻塞](../%E9%98%BB%E5%A1%9E%E5%92%8C%E9%9D%9E%E9%98%BB%E5%A1%9E.md) [Vpu/视频编解码](%E9%A9%B1%E5%8A%A8%E5%BC%80%E5%8F%91/Vpu-%E8%A7%86%E9%A2%91%E7%BC%96%E8%A7%A3%E7%A0%81.md) [I2C](%E9%A9%B1%E5%8A%A8%E5%BC%80%E5%8F%91/I2c.md) [USB](%E9%A9%B1%E5%8A%A8%E5%BC%80%E5%8F%91/USB.md) [debugfs](../debugfs.md) [linux ethernet over usb](../linuxethernetoverusb.md)