diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index af4bfd4a40be..bd8406b02a57 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -121,6 +121,20 @@
 			status = "disabled";
 		};
 
+		rtc: rtc@40002800 {
+			compatible = "st,stm32-rtc";
+			reg = <0x40002800 0x400>;
+			clocks = <&rcc 1 CLK_RTC>;
+			clock-names = "ck_rtc";
+			assigned-clocks = <&rcc 1 CLK_RTC>;
+			assigned-clock-parents = <&rcc 1 CLK_LSE>;
+			interrupt-parent = <&exti>;
+			interrupts = <17 1>;
+			interrupt-names = "alarm";
+			st,syscfg = <&pwrcfg>;
+			status = "disabled";
+		};
+
 		usart2: serial@40004400 {
 			compatible = "st,stm32f7-usart", "st,stm32f7-uart";
 			reg = <0x40004400 0x400>;