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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/rmem.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Reserved Memory Based nvmem Device
+
+maintainers:
+ - Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
+
+allOf:
+ - $ref: "nvmem.yaml#"
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - raspberrypi,bootloader-config
+ - const: nvmem-rmem
+
+ reg:
+ maxItems: 1
+
+ no-map:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ Avoid creating a virtual mapping of the region as part of the OS'
+ standard mapping of system memory.
+
+required:
+ - compatible
+ - no-map
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ blconfig: nvram@10000000 {
+ compatible = "raspberrypi,bootloader-config", "nvmem-rmem";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x10000000 0x1000>;
+ no-map;
+ };
+ };
+
+...