三星2440的gpio驱动led的driver,对初学者大有帮助-s3c2440 gpio driver for led, very helpful for beginners

linux 2440 下GPIO口控制的背光驱动，一个经典的linux 2.6驱动-linux 2440 under the GPIO port to control the backlight driver, a classic of the linux 2.6 driver

天嵌提供的GPIO驱动没什么用,限制性太大了, 这个是基于天嵌2440的GPIO驱动, 通过输入子系统event层,编写的gpio标准键盘驱动 除了板上的4个按键,从GPIO外展增加了两个按键, 为与PC上调试,定义为F1到F6-EmbbedSky provided gpio driver is useless, too restrictive, this is based on the TQ2440, through the input subsystem event laye