Abracon AB-RTCMC-32.768kHz-EOZ9

modulename: rtc-ab-eoz9.ko

configname: CONFIG_RTC_DRV_ABEOZ9

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>Abracon AB-RTCMC-32.768kHz-EOZ9
In linux kernel since version 5.1 (release Date: 2019-05-05)  
If you say yes here you get support for the Abracon
AB-RTCMC-32.768kHz-EOA9 I2C RTC chip.

This driver can also be built as a module. If so, the module
will be called rtc-ab-e0z9.

source code:
drivers/rtc/rtc-ab-eoz9.c