该文件是摩托罗拉的嵌入式芯片dragonball MX1的在嵌入式linux下键盘驱动，程序采用GPIO管脚连接键盘，文件中有相应的说明-the document is Motorola's embedded chips dragonball MX1 in Embedded LINU x under the keyboard, procedures used GPIO pins connecting keyboard, a corresponding note