[PATCH v2] dt-bindings: mtd: microchip,mchp23k256: convert to DT schema

[Akhila YS <akhilayalmati@gmail.com>]

Convert Microchip 23K256 SPI SRAM MTD binding to YAML format.

Signed-off-by: Akhila YS <akhilayalmati@gmail.com>
---
Changes in v2:
- Removed "#address-cells" and "#size-cells" from the required, properties
  and example. 
- Changed description and title for yaml.
- Link to v1: https://lore.kernel.org/r/20251229-nxp-v1-1-a415fe0080a8@gmail.com
---
 .../bindings/mtd/microchip,mchp23k256.txt          | 18 --------
 .../bindings/mtd/microchip,mchp23k256.yaml         | 49 ++++++++++++++++++++++
 2 files changed, 49 insertions(+), 18 deletions(-)

diff --git a/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.txt b/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.txt
deleted file mode 100644
index 7328eb92a03c..000000000000
--- a/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-* MTD SPI driver for Microchip 23K256 (and similar) serial SRAM
-
-Required properties:
-- #address-cells, #size-cells : Must be present if the device has sub-nodes
-  representing partitions.
-- compatible : Must be one of "microchip,mchp23k256" or "microchip,mchp23lcv1024"
-- reg : Chip-Select number
-- spi-max-frequency : Maximum frequency of the SPI bus the chip can operate at
-
-Example:
-
-	spi-sram@0 {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		compatible = "microchip,mchp23k256";
-		reg = <0>;
-		spi-max-frequency = <20000000>;
-	};
diff --git a/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.yaml b/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.yaml
new file mode 100644
index 000000000000..e928d375ae81
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/microchip,mchp23k256.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/microchip,mchp23k256.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip 23K256 SPI SRAM
+
+maintainers:
+  - Richard Weinberger <richard@nod.at>
+
+description:
+  The Microchip 23K256 is a 256 Kbit (32 Kbyte) serial SRAM with an
+  SPI interface,supporting clock frequencies up to 20 MHz. It features
+  a 32-byte page size for writes and supports byte, page, and
+  sequential access modes.
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+  compatible:
+    enum:
+      - microchip,mchp23k256
+      - microchip,mchp23lcv1024
+
+  reg:
+    maxItems: 1
+
+required:
+  - reg
+  - compatible
+  - spi-max-frequency
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        sram@0 {
+            compatible = "microchip,mchp23k256";
+            reg = <0>;
+            spi-max-frequency = <20000000>;
+       };
+    };
+...

---
base-commit: cc3aa43b44bdb43dfbac0fcb51c56594a11338a8
change-id: 20251229-nxp-526e29da9f29

Best regards,
-- 
Akhila YS <akhilayalmati@gmail.com>


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