TPS6586X GPIO

modulename: gpio-tps6586x.ko

configname: CONFIG_GPIO_TPS6586X

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>MFD GPIO expanders
└─>TPS6586X GPIO
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Select this option to enable GPIO driver for the TPS6586X
chip family.

source code:
drivers/gpio/gpio-tps6586x.c