1. 上海爱墨电子科技有限公司
http://www.shaimo.cn/showproduct.asp?piccat_id=196&pic_id=780
2.
http://lxr.free-electrons.com/source/drivers/iio/common/st_sensors/
3.
http://lxr.free-electrons.com/ident?i=gpio_to_irq
http://tomoyo.osdn.jp/cgi-bin/lxr/source/include/linux/of_gpio.h?v=linux-2.6.36.4
http://docs.huihoo.com/doxygen/linux/kernel/3.7/gpiolib-of_8c.html --不错
http://lxr.oss.org.cn/ident?i=of_get_named_gpio_flags
https://www.kernel.org/doc/htmldocs/device-drivers/index.html
https://www.kernel.org/doc/htmldocs/device-drivers/API-struct-device.html -- platform_data->dis_gpio 不错
https://www.kernel.org/doc/htmldocs/device-drivers/ch02s02.html -- device drivers base