TI BQ2415x battery charger driver

modulename: bq2415x_charger.ko

configname: CONFIG_CHARGER_BQ2415X

Linux Kernel Configuration
└─>Device Drivers
└─>Power supply class support
└─>TI BQ2415x battery charger driver
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say Y to enable support for the TI BQ2415x battery charger
PMICs.

You'll need this driver to charge batteries on e.g. Nokia
RX-51/N900.

source code:
drivers/power/supply/bq2415x_charger.c