TI BQ4802

modulename: rtc-bq4802.ko

configname: CONFIG_RTC_DRV_BQ4802

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>TI BQ4802
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
If you say Y here you will get support for the TI
BQ4802 RTC chip.

This driver can also be built as a module. If so, the module
will be called rtc-bq4802.

source code: