diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
index d436ed9c5af2..cddeb00a6e6d 100644
--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
@@ -135,6 +135,7 @@ i2c1: i2c@11080 {
 			uart0: serial@12000 {
 				compatible = "marvell,armada-3700-uart";
 				reg = <0x12000 0x200>;
+				clocks = <&xtalclk>;
 				interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
 				status = "disabled";
 			};