diff --git a/include/dt-bindings/interrupt-controller/irq.h b/include/dt-bindings/interrupt-controller/irq.h
index 94e7f95..59811ee 100644
--- a/include/dt-bindings/interrupt-controller/irq.h
+++ b/include/dt-bindings/interrupt-controller/irq.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2021-2025, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -13,6 +13,9 @@
 #ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_IRQ_H
 #define _DT_BINDINGS_INTERRUPT_CONTROLLER_IRQ_H
 
+#define LEVEL	0
+#define EDGE	2
+
 #define IRQ_TYPE_NONE		0
 #define IRQ_TYPE_EDGE_RISING	1
 #define IRQ_TYPE_EDGE_FALLING	2