DFRobot SD2405AL

modulename: rtc-sd2405al.ko

configname: CONFIG_RTC_DRV_SD2405AL

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>DFRobot SD2405AL
In linux kernel since version 6.1.112 (release Date: 2024-09-30)  
If you say yes here you will get support for the
DFRobot SD2405AL I2C RTC Module.

This driver can also be built as a module. If so, the module
will be called rtc-sd2405al.

source code: