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diff --git a/Documentation/devicetree/bindings/bus/mti,mips-cdmm.yaml b/Documentation/devicetree/bindings/bus/mti,mips-cdmm.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bus/mti,mips-cdmm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MIPS Common Device Memory Map
+
+description: |
+  Defines a location of the MIPS Common Device Memory Map registers.
+
+maintainers:
+  - James Hogan <jhogan@kernel.org>
+
+properties:
+  compatible:
+    const: mti,mips-cdmm
+
+  reg:
+    description: |
+      Base address and size of an unoccupied memory region, which will be
+      used to map the MIPS CDMM registers block.
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    cdmm@1bde8000 {
+      compatible = "mti,mips-cdmm";
+      reg = <0x1bde8000 0x8000>;
+    };
+...