diff --git a/arch/arm/boot/dts/ste-dbx5x0.dtsi b/arch/arm/boot/dts/ste-dbx5x0.dtsi
index 8c52f3f28b62..cc45052ce0b9 100644
--- a/arch/arm/boot/dts/ste-dbx5x0.dtsi
+++ b/arch/arm/boot/dts/ste-dbx5x0.dtsi
@@ -61,6 +61,10 @@ prcc_kclk: prcc-kernel-clock {
 			rtc_clk: rtc32k-clock {
 				#clock-cells = <0>;
 			};
+
+			smp_twd_clk: smp-twd-clock {
+				#clock-cells = <0>;
+			};
 		};
 
 		timer@a0410600 {