TI OMAP1

modulename: rtc-omap.ko

configname: CONFIG_RTC_DRV_OMAP

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>TI OMAP1
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say "yes" here to support the real time clock on TI OMAP1 chips.
This driver can also be built as a module called rtc-omap.

source code: