--- /dev/null
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/atmel,dataflash.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Atmel DataFlash
+
+maintainers:
+ - Nayab Sayed <nayabbasha.sayed@microchip.com>
+
+description:
+ The Atmel DataFlash is a low pin-count serial interface sequential access
+ Flash memory, compatible with SPI standard. The device tree may optionally
+ contain sub-nodes describing partitions of the address space.
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - atmel,at45db321d
+ - atmel,at45db041e
+ - atmel,at45db642d
+ - atmel,at45db021d
+ - const: atmel,at45
+ - const: atmel,dataflash
+ - items:
+ - const: atmel,at45
+ - const: atmel,dataflash
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+allOf:
+ - $ref: mtd.yaml#
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ flash@1 {
+ compatible = "atmel,at45db321d", "atmel,at45", "atmel,dataflash";
+ reg = <1>;
+ };
+ };
+++ /dev/null
-* Atmel Data Flash
-
-Required properties:
-- compatible : "atmel,<model>", "atmel,<series>", "atmel,dataflash".
-
-The device tree may optionally contain sub-nodes describing partitions of the
-address space. See partition.txt for more detail.
-
-Example:
-
-flash@1 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "atmel,at45db321d", "atmel,at45", "atmel,dataflash";
- spi-max-frequency = <25000000>;
- reg = <1>;
-};