Sophgo CV1800 RTC

modulename: rtc-cv1800.ko

configname: CONFIG_RTC_DRV_CV1800

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>Sophgo CV1800 RTC
In linux kernel since version 6.1.145 (release Date: 2025-07-14)  
If you say yes here you get support the RTC driver for Sophgo CV1800
series SoC.

This driver can also be built as a module. If so, the module will be
called rtc-cv1800.

source code: