Merge commit '53633a893a06bd5a0c807287d9cc29337806eaf7' as 'dts/upstream'
diff --git a/dts/upstream/include/dt-bindings/interrupt-controller/irq.h b/dts/upstream/include/dt-bindings/interrupt-controller/irq.h
new file mode 100644
index 0000000..9e3d183
--- /dev/null
+++ b/dts/upstream/include/dt-bindings/interrupt-controller/irq.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/*
+ * This header provides constants for most IRQ bindings.
+ *
+ * Most IRQ bindings include a flags cell as part of the IRQ specifier.
+ * In most cases, the format of the flags cell uses the standard values
+ * defined in this header.
+ */
+
+#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_IRQ_H
+#define _DT_BINDINGS_INTERRUPT_CONTROLLER_IRQ_H
+
+#define IRQ_TYPE_NONE 0
+#define IRQ_TYPE_EDGE_RISING 1
+#define IRQ_TYPE_EDGE_FALLING 2
+#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)
+#define IRQ_TYPE_LEVEL_HIGH 4
+#define IRQ_TYPE_LEVEL_LOW 8
+
+#endif