diff --git a/arch/arm64/boot/dts/marvell/armada-3720-db.dts b/arch/arm64/boot/dts/marvell/armada-3720-db.dts
index 01e583c07d46e2fa0020fda74103995830f8509f..2a6eef2d4d6692b32114adc03760301029698bb0 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-db.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-db.dts
@@ -98,6 +98,12 @@
 		 * IO0_7: PWR_EN_SGMII	IO1_7: PWR_MCI_PS
 		 */
 	};
+
+	rtc@68  {
+		/* PT7C4337A from pericom fully compatible with the ds1337 */
+		compatible = "dallas,ds1337";
+		reg = <0x68>;
+	};
 };
 
 /* CON3 */