TI TPS65090 Power Management chips

modulename: tps65090.ko

configname: CONFIG_MFD_TPS65090

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>I2C support
└─>TI TPS65090 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 TPS65090 series of
Power Management chips.
This driver provides common support for accessing the device,
additional drivers must be enabled in order to use the
functionality of the device.

source code:
drivers/mfd//tps65090.c