TI TPS80031/TPS80032 Power Management chips

modulename: tps80031.ko

configname: CONFIG_MFD_TPS80031

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>TI TPS80031/TPS80032 Power Management chips
In linux kernel since version 3.1 (release Date: 2011-10-24)  
If you say yes here you get support for the Texas Instruments
TPS80031/ TPS80032 Fully Integrated Power Management with Power
Path and Battery Charger. The device provides five configurable
step-down converters, 11 general purpose LDOs, USB OTG Module,
ADC, RTC, 2 PWM, System Voltage Regulator/Battery Charger with
Power Path from USB, 32K clock generator.

source code: