EPSON TOYOCOM RTC-7301SF/DG

modulename: rtc-r7301.ko

configname: CONFIG_RTC_DRV_R7301

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>Device Tree and Open Firmware support
└─>EPSON TOYOCOM RTC-7301SF/DG
In linux kernel since version 4.1 (release Date: 2015-06-21)  
If you say yes here you get support for the EPSON TOYOCOM
RTC-7301SF/DG chips.

This driver can also be built as a module. If so, the module
will be called rtc-r7301.

source code: