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diff --git a/sys/contrib/device-tree/Bindings/interrupt-controller/sophgo,sg2042-msi.yaml b/sys/contrib/device-tree/Bindings/interrupt-controller/sophgo,sg2042-msi.yaml
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/sophgo,sg2042-msi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo SG2042 MSI Controller
+
+maintainers:
+  - Chen Wang <unicorn_wang@outlook.com>
+
+description:
+  This interrupt controller is in Sophgo SG2042 for transforming interrupts from
+  PCIe MSI to PLIC interrupts.
+
+allOf:
+  - $ref: /schemas/interrupt-controller/msi-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - sophgo,sg2042-msi
+      - sophgo,sg2044-msi
+
+  reg:
+    items:
+      - description: clear register
+      - description: msi doorbell address
+
+  reg-names:
+    items:
+      - const: clr
+      - const: doorbell
+
+  msi-controller: true
+
+  msi-ranges:
+    maxItems: 1
+
+  "#msi-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - msi-controller
+  - msi-ranges
+  - "#msi-cells"
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    msi-controller@30000000 {
+      compatible = "sophgo,sg2042-msi";
+      reg = <0x30000000 0x4>, <0x30000008 0x4>;
+      reg-names = "clr", "doorbell";
+      msi-controller;
+      #msi-cells = <0>;
+      msi-ranges = <&plic 64 IRQ_TYPE_LEVEL_HIGH 32>;
+    };