diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index e1bc521..0c205d2 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1028,6 +1028,16 @@ config RTC_DRV_DS1685_FAMILY
This driver can also be built as a module. If so, the module
will be called rtc-ds1685.
+config RTC_DRV_SUNPLUS
+ bool "Sunplus SP7021 RTC"
+ depends on SOC_SP7021
+ help
+ Say 'yse' to get support for Sunplus SP7021 real-time clock
+ (RTC) for industrial applications.
+ It provides RTC status check, timer/alarm functionalities,
+ user data reservation only with battery with voltage over 2.5V,
+ RTC power status check and battery charge.