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diff --git a/Documentation/devicetree/bindings/rng/silex-insight,ba431-rng.yaml b/Documentation/devicetree/bindings/rng/silex-insight,ba431-rng.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rng/silex-insight,ba431-rng.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Silex Insight BA431 RNG bindings
+
+description: |
+  The BA431 hardware random number generator is an IP that is FIPS-140-2/3
+  certified.
+
+maintainers:
+  - Olivier Sobrie <olivier.sobrie@silexinsight.com>
+
+properties:
+  compatible:
+    const: silex-insight,ba431-rng
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    rng@42800000 {
+      compatible = "silex-insight,ba431-rng";
+      reg = <0x42800000 0x1000>;
+    };
+
+...