diff --git a/dts/vendor/nordic/nrf54h20.dtsi b/dts/vendor/nordic/nrf54h20.dtsi
index 042725a16171d..8058d4d0068e3 100644
--- a/dts/vendor/nordic/nrf54h20.dtsi
+++ b/dts/vendor/nordic/nrf54h20.dtsi
@@ -152,6 +152,7 @@
 	reserved-memory {
 		#address-cells = <1>;
 		#size-cells = <1>;
+		ranges = <>;
 
 		suit_storage_partition: memory@e1ed000 {
 			reg = <0xe1ed000 DT_SIZE_K(20)>;
@@ -506,7 +507,8 @@
 			#address-cells = <1>;
 			#size-cells = <1>;
 			reg = <0x5f000000 0x1000000>;
-			ranges = <0x0 0x5f000000 0x1000000>;
+			ranges = <0x0 0x5f000000 0x1000000          /* registers */
+				  0x2f000000 0x2f000000 0x1000000>; /* ram */
 
 			usbhs: usbhs@86000 {
 				compatible = "nordic,nrf-usbhs", "snps,dwc2";