00-INDEX - This file gpio.txt - Introduction to GPIOs and their kernel interfaces consumer.txt - How to obtain and use GPIOs in a driver driver.txt - How to write a GPIO driver drivers-on-gpio.txt: - Drivers in other subsystems that can use GPIO to provide more complex functionality. board.txt - How to assign GPIOs to a consumer device and a function sysfs.txt - Information about the GPIO sysfs interface gpio-legacy.txt - Historical documentation of the deprecated GPIO integer interface |