Epson RX8010SJ

modulename: rtc-rx8010.ko

configname: CONFIG_RTC_DRV_RX8010

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>Epson RX8010SJ
In linux kernel since version 4.1 (release Date: 2015-06-21)  
If you say yes here you get support for the Epson RX8010SJ RTC

This driver can also be built as a module. If so, the module
will be called rtc-rx8010.

source code: