diff --git a/target/linux/airoha/dts/an7581-evb.dts b/target/linux/airoha/dts/an7581-evb.dts
index 1d7b1a6a316..4045eb104aa 100644
--- a/target/linux/airoha/dts/an7581-evb.dts
+++ b/target/linux/airoha/dts/an7581-evb.dts
@@ -8,6 +8,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include "an7581.dtsi"
+#include "an7581-npu-wlan.dtsi"
 
 / {
 	model = "Airoha AN7581 Evaluation Board";
diff --git a/target/linux/airoha/dts/an7581-npu-mt7992.dtsi b/target/linux/airoha/dts/an7581-npu-mt7992.dtsi
index 0985b737349..3ab7051c66a 100644
--- a/target/linux/airoha/dts/an7581-npu-mt7992.dtsi
+++ b/target/linux/airoha/dts/an7581-npu-mt7992.dtsi
@@ -1,5 +1,7 @@
 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 
+#include "an7581-npu-wlan.dtsi"
+
 &npu {
 	firmware-name = "airoha/en7581_npu_rv32.bin",
                         "airoha/en7581_npu_data.bin";
diff --git a/target/linux/airoha/dts/an7581-npu-mt7996.dtsi b/target/linux/airoha/dts/an7581-npu-mt7996.dtsi
index 404e159a9ce..24585be6c1d 100644
--- a/target/linux/airoha/dts/an7581-npu-mt7996.dtsi
+++ b/target/linux/airoha/dts/an7581-npu-mt7996.dtsi
@@ -1,5 +1,7 @@
 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 
+#include "an7581-npu-wlan.dtsi"
+
 &npu {
 	firmware-name = "airoha/en7581_MT7996_npu_rv32.bin",
                         "airoha/en7581_MT7996_npu_data.bin";
diff --git a/target/linux/airoha/dts/an7581-npu-wlan.dtsi b/target/linux/airoha/dts/an7581-npu-wlan.dtsi
new file mode 100644
index 00000000000..bbb1824fd6c
--- /dev/null
+++ b/target/linux/airoha/dts/an7581-npu-wlan.dtsi
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+
+/*
+ * Memory regions used by the NPU Wi-Fi packet offloading only. Boards that
+ * do not run an Airoha-offloaded Wi-Fi chip must not reserve them: the NPU
+ * needs the binary region alone to run its firmware and to offload flows.
+ */
+
+/ {
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		npu_pkt: npu-pkt@8a000000 {
+			no-map;
+			reg = <0x0 0x8a000000 0x0 0x2c00000>;
+		};
+
+		npu_txpkt: npu-txpkt@8cc00000 {
+			no-map;
+			reg = <0x0 0x8cc00000 0x0 0x4000000>;
+		};
+
+		npu_txbufid: npu-txbufid@90c00000 {
+			no-map;
+			reg = <0x0 0x90c00000 0x0 0x6800>;
+		};
+
+		npu_ba: npu-ba@90c06800 {
+			no-map;
+			reg = <0x0 0x90c06800 0x0 0x200000>;
+		};
+	};
+};
+
+&npu {
+	memory-region = <&npu_binary>, <&npu_pkt>, <&npu_txpkt>,
+			<&npu_txbufid>, <&npu_ba>;
+	memory-region-names = "binary", "pkt", "tx-pkt",
+			      "tx-bufid", "ba";
+};
diff --git a/target/linux/airoha/dts/an7581.dtsi b/target/linux/airoha/dts/an7581.dtsi
index fdefa82580b..af5a5f4dae4 100644
--- a/target/linux/airoha/dts/an7581.dtsi
+++ b/target/linux/airoha/dts/an7581.dtsi
@@ -39,26 +39,6 @@
 			no-map;
 			reg = <0x0 0x89000000 0x0 0x1000000>;
 		};
-
-		npu_pkt: npu-pkt@8a000000 {
-			no-map;
-			reg = <0x0 0x8a000000 0x0 0x2c00000>;
-		};
-
-		npu_txpkt: npu-txpkt@8cc00000 {
-			no-map;
-			reg = <0x0 0x8cc00000 0x0 0x4000000>;
-		};
-
-		npu_txbufid: npu-txbufid@90c00000 {
-			no-map;
-			reg = <0x0 0x90c00000 0x0 0x6800>;
-		};
-
-		npu_ba: npu-ba@90c06800 {
-			no-map;
-			reg = <0x0 0x90c06800 0x0 0x200000>;
-		};
 	};
 
 	psci {
@@ -904,10 +884,9 @@
 				     <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
-			memory-region = <&npu_binary>, <&npu_pkt>, <&npu_txpkt>,
-					<&npu_txbufid>, <&npu_ba>;
-			memory-region-names = "binary", "pkt", "tx-pkt",
-					      "tx-bufid", "ba";
+			memory-region = <&npu_binary>;
+			memory-region-names = "binary";
+
 			status = "disabled";
 		};