TI OMAP Real Time Clock

modulename: rtc-omap.ko

configname: CONFIG_RTC_DRV_OMAP

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>Device Tree and Open Firmware support
└─>Pin controllers
└─>TI OMAP Real Time Clock
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say "yes" here to support the on chip real time clock
present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx.

This driver can also be built as a module, if so, module
will be called rtc-omap.

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