Dallas/Maxim DS3232/DS3234

modulename: rtc-ds3232.ko

configname: CONFIG_RTC_DRV_DS3232

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>Dallas/Maxim DS3232/DS3234
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
If you say yes here you get support for Dallas Semiconductor
DS3232 and DS3234 real-time clock chips. If an interrupt is associated
with the device, the alarm functionality is supported.

This driver can also be built as a module. If so, the module
will be called rtc-ds3232.

source code: