diff --git a/dts/common/nordic/nrf54h20.dtsi b/dts/common/nordic/nrf54h20.dtsi
index 9df096ab710e..cc9f2d3d8e43 100644
--- a/dts/common/nordic/nrf54h20.dtsi
+++ b/dts/common/nordic/nrf54h20.dtsi
@@ -627,6 +627,7 @@
 				power-domains = <&gpd NRF_GPD_FAST_ACTIVE1>;
 				max-bit-width = <32>;
 				max-frequency = <DT_FREQ_M(320)>;
+				clocks = <&hsfll120>;
 				prescaler = <0>;
 			};
 
@@ -639,6 +640,7 @@
 				power-domains = <&gpd NRF_GPD_FAST_ACTIVE1>;
 				max-bit-width = <32>;
 				max-frequency = <DT_FREQ_M(320)>;
+				clocks = <&hsfll120>;
 				prescaler = <0>;
 			};