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diff --git a/Documentation/devicetree/bindings/rng/ti,omap-rom-rng.yaml b/Documentation/devicetree/bindings/rng/ti,omap-rom-rng.yaml
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rng/ti,omap-rom-rng.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: OMAP ROM Random Number Generator
+
+maintainers:
+  - Pali Rohár <pali@kernel.org>
+  - Tony Lindgren <tony@atomide.com>
+
+description:
+  Secure SoCs may provide RNG via secure ROM calls like Nokia N900 does.
+  The implementation can depend on the SoC secure ROM used.
+
+properties:
+  compatible:
+    const: nokia,n900-rom-rng
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: ick
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    rng {
+        compatible = "nokia,n900-rom-rng";
+        clocks = <&rng_ick>;
+        clock-names = "ick";
+    };