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diff --git a/Documentation/devicetree/bindings/interrupt-controller/socionext,uniphier-aidet.yaml b/Documentation/devicetree/bindings/interrupt-controller/socionext,uniphier-aidet.yaml
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/socionext,uniphier-aidet.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: UniPhier AIDET
+
+description: |
+  UniPhier AIDET (ARM Interrupt Detector) is an add-on block for ARM GIC
+  (Generic Interrupt Controller). GIC itself can handle only high level and
+  rising edge interrupts. The AIDET provides logic inverter to support low
+  level and falling edge interrupts.
+
+maintainers:
+  - Masahiro Yamada <yamada.masahiro@socionext.com>
+
+allOf:
+  - $ref: /schemas/interrupt-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - socionext,uniphier-ld4-aidet
+      - socionext,uniphier-pro4-aidet
+      - socionext,uniphier-sld8-aidet
+      - socionext,uniphier-pro5-aidet
+      - socionext,uniphier-pxs2-aidet
+      - socionext,uniphier-ld6b-aidet
+      - socionext,uniphier-ld11-aidet
+      - socionext,uniphier-ld20-aidet
+      - socionext,uniphier-pxs3-aidet
+
+  reg:
+    maxItems: 1
+
+  interrupt-controller: true
+
+  '#interrupt-cells':
+    description: |
+      The first cell defines the interrupt number (corresponds to the SPI
+      interrupt number of GIC). The second cell specifies the trigger type as
+      defined in interrupts.txt in this directory.
+    const: 2
+
+required:
+  - compatible
+  - reg
+  - interrupt-controller
+  - '#interrupt-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    interrupt-controller@5fc20000 {
+        compatible = "socionext,uniphier-pro4-aidet";
+        reg = <0x5fc20000 0x200>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+    };