AMD CS5535/CS5536 GPIO (Geode Companion Device)

modulename: cs5535_gpio.ko

configname: CONFIG_CS5535_GPIO

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>AMD CS5535/CS5536 GPIO (Geode Companion Device)
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Give userspace access to the GPIO pins on the AMD CS5535 and
CS5536 Geode companion devices.

If compiled as a module, it will be called cs5535_gpio.

source code: