Epson RX-8025SA/NB

modulename: rtc-rx8025.ko

configname: CONFIG_RTC_DRV_RX8025

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>Epson RX-8025SA/NB
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
If you say yes here you get support for the Epson
RX-8025SA/NB RTC chips.

This driver can also be built as a module. If so, the module
will be called rtc-rx8025.

source code:
drivers/rtc/rtc-rx8025.c