diff --git a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
index 8057cf9c919a..53a657cf4efb 100644
--- a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
+++ b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
@@ -346,6 +346,10 @@ pinctrl_uart6_default: uart6-default {
 	};
 };
 
+&rtt {
+	atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
+};
+
 &sdmmc1 {
 	bus-width = <4>;
 	pinctrl-names = "default";