TI TPS65912 Power Management chip

modulename: tps65912.ko

and/or

tps65912-core.ko

configname: CONFIG_MFD_TPS65912

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>GPIO Support
└─>TI TPS65912 Power Management chip
In linux kernel since version 3.1 (release Date: 2011-10-24)  
If you say yes here you get support for the TPS65912 series of
PM chips.

source code:
drivers/mfd//