diff --git a/target/linux/airoha/dts/an7581-evb-emmc.dts b/target/linux/airoha/dts/an7581-evb-emmc.dts
index 25aca81e22..df433906aa 100644
--- a/target/linux/airoha/dts/an7581-evb-emmc.dts
+++ b/target/linux/airoha/dts/an7581-evb-emmc.dts
@@ -7,6 +7,7 @@
 #include <dt-bindings/leds/common.h>
 #include <dt-bindings/gpio/gpio.h>
 #include "an7581.dtsi"
+#include "an7581-npu-mt7996.dtsi"
 
 / {
 	model = "Airoha AN7581 Evaluation Board";
@@ -253,8 +254,6 @@
 };
 
 &npu {
-	firmware-name = "airoha/en7581_MT7996_npu_rv32.bin",
-			"airoha/en7581_MT7996_npu_data.bin";
 	status = "okay";
 };
 
diff --git a/target/linux/airoha/dts/an7581-npu-mt7992.dtsi b/target/linux/airoha/dts/an7581-npu-mt7992.dtsi
new file mode 100644
index 0000000000..0985b73734
--- /dev/null
+++ b/target/linux/airoha/dts/an7581-npu-mt7992.dtsi
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+
+&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
new file mode 100644
index 0000000000..404e159a9c
--- /dev/null
+++ b/target/linux/airoha/dts/an7581-npu-mt7996.dtsi
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+
+&npu {
+	firmware-name = "airoha/en7581_MT7996_npu_rv32.bin",
+                        "airoha/en7581_MT7996_npu_data.bin";
+};
diff --git a/target/linux/airoha/dts/an7581-w1700k-ubi.dts b/target/linux/airoha/dts/an7581-w1700k-ubi.dts
index bbcc1d1135..6f4158599f 100644
--- a/target/linux/airoha/dts/an7581-w1700k-ubi.dts
+++ b/target/linux/airoha/dts/an7581-w1700k-ubi.dts
@@ -6,6 +6,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include "an7581.dtsi"
+#include "an7581-npu-mt7996.dtsi"
 
 / {
 	model = "Gemtek W1700K (OpenWrt U-Boot layout)";
@@ -303,8 +304,6 @@
 };
 
 &npu {
-	firmware-name = "airoha/en7581_MT7996_npu_rv32.bin",
-		"airoha/en7581_MT7996_npu_data.bin";
 	status = "okay";
 };