TPS65910 Power Management chip

modulename: tps65910.ko

configname: CONFIG_MFD_TPS65910

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>I2C support
└─>GPIO Support
└─>TPS65910 Power Management chip
In linux kernel since version 3 (release Date: 2011-07-21)  
if you say yes here you get support for the TPS65910 series of
Power Management chips.

source code:
drivers/mfd//tps65910.c