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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2025 Max Filippov <jcmvbkbc@gmail.com>
+
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/cdns,xtensa-pic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Xtensa Interrupt Controllers
+
+maintainers:
+  - Max Filippov <jcmvbkbc@gmail.com>
+
+description:
+  Xtensa Interrupt Distributor and Programmable Interrupt Controller (MX) and
+  Xtensa built-in Programmable Interrupt Controller (PIC)
+
+properties:
+  compatible:
+    enum:
+      - cdns,xtensa-mx
+      - cdns,xtensa-pic
+
+  '#interrupt-cells':
+    enum: [ 1, 2 ]
+    description:
+      Number of cells to define the interrupts. When 1, the first cell is the
+      internal IRQ number; when 2, the second cell specifies internal (0) or
+      external (1).
+
+  interrupt-controller: true
+
+required:
+  - compatible
+  - '#interrupt-cells'
+  - interrupt-controller
+
+additionalProperties: false
+
+examples:
+  - |
+    interrupt-controller {
+        compatible = "cdns,xtensa-pic";
+        /* one cell: internal irq number,
+         * two cells: second cell == 0: internal irq number
+         *            second cell == 1: external irq number
+         */
+        #interrupt-cells = <2>;
+        interrupt-controller;
+    };