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diff --git a/Documentation/devicetree/bindings/hwinfo/renesas,prr.yaml b/Documentation/devicetree/bindings/hwinfo/renesas,prr.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwinfo/renesas,prr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas Product Register
+
+maintainers:
+  - Geert Uytterhoeven <geert+renesas@glider.be>
+  - Magnus Damm <magnus.damm@gmail.com>
+
+description: |
+  Most Renesas ARM SoCs have a Product Register or Boundary Scan ID
+  Register that allows to retrieve SoC product and revision information.
+  If present, a device node for this register should be added.
+
+properties:
+  compatible:
+    enum:
+      - renesas,prr
+      - renesas,bsid
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    prr: chipid@ff000044 {
+        compatible = "renesas,prr";
+        reg = <0xff000044 4>;
+    };