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diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,ls1x-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,ls1x-intc.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/loongson,ls1x-intc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-1 Interrupt Controller
+
+maintainers:
+  - Keguang Zhang <keguang.zhang@gmail.com>
+
+description:
+  Loongson-1 interrupt controller is connected to the MIPS core interrupt
+  controller, which controls several groups of interrupts.
+
+properties:
+  compatible:
+    const: loongson,ls1x-intc
+
+  reg:
+    maxItems: 1
+
+  interrupt-controller: true
+
+  '#interrupt-cells':
+    const: 2
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupt-controller
+  - '#interrupt-cells'
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    intc0: interrupt-controller@1fd01040 {
+        compatible = "loongson,ls1x-intc";
+        reg = <0x1fd01040 0x18>;
+
+        interrupt-controller;
+        #interrupt-cells = <2>;
+
+        interrupt-parent = <&cpu_intc>;
+        interrupts = <2>;
+    };