diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
index ccaca29200bb..ca1248784f59 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
@@ -230,10 +230,12 @@ &ttc3 {
 
 &uart0 {
 	clocks = <&zynqmp_clk UART0_REF>, <&zynqmp_clk LPD_LSBUS>;
+	assigned-clocks = <&zynqmp_clk UART0_REF>;
 };
 
 &uart1 {
 	clocks = <&zynqmp_clk UART1_REF>, <&zynqmp_clk LPD_LSBUS>;
+	assigned-clocks = <&zynqmp_clk UART1_REF>;
 };
 
 &dwc3_0 {