diff --git a/dts/arm/nordic/nrf5340_cpunet.dtsi b/dts/arm/nordic/nrf5340_cpunet.dtsi
index acf95077669..4f9164767f1 100644
--- a/dts/arm/nordic/nrf5340_cpunet.dtsi
+++ b/dts/arm/nordic/nrf5340_cpunet.dtsi
@@ -243,6 +243,7 @@
 			reg = <0x41016000 0x1000>;
 			cc-num = <4>;
 			interrupts = <22 NRF_DEFAULT_IRQ_PRIORITY>;
+			clock-frequency = <32768>;
 			status = "disabled";
 		};