[PATCH] dt-bindings: mtd: hisilicon,504-nfc: convert to DT schema

[Akhila YS]

Convert Hisilicon Hip04 Soc NAND controller DT binding to YAML format.

Signed-off-by: Akhila YS <akhilayalmati@xxxxxxxxx>
---
 .../devicetree/bindings/mtd/hisilicon,504-nfc.yaml | 90 ++++++++++++++++++++++
 1 file changed, 90 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/hisilicon,504-nfc.yaml b/Documentation/devicetree/bindings/mtd/hisilicon,504-nfc.yaml
new file mode 100644
index 000000000000..805ef0af0e04
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/hisilicon,504-nfc.yaml
@@ -0,0 +1,90 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/hisilicon,504-nfc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HiSilicon Hip04 NAND Flash Controller
+
+maintainers:
+  - Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
+  - Richard Weinberger <richard@xxxxxx>
+
+description:
+  The HiSilicon 504 NFC is a NAND flash memory controller used in the
+  Hip04 SoC. It supports hardware ECC for NAND devices and provides
+  register and buffer regions for NAND operations.
+
+allOf:
+  - $ref: nand-controller.yaml#
+
+properties:
+  compatible:
+    const: hisilicon,504-nfc
+
+  reg:
+    minItems: 2
+    maxItems: 2
+
+  interrupts:
+    maxItems: 1
+
+  nand-bus-width:
+    enum: [8, 16]
+
+  nand-ecc-mode:
+    enum:
+      - none
+      - hw
+
+  nand-ecc-strength:
+    const: 16
+
+  nand-ecc-step-size:
+    const: 1024
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+  partitions:
+    $ref: /schemas/mtd/partitions/fixed-partitions.yaml#
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - nand-bus-width
+  - nand-ecc-mode
+  - "#address-cells"
+  - "#size-cells"
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    nand-controller@4020000 {
+        compatible = "hisilicon,504-nfc";
+        reg = <0x04020000 0x10000>, <0x05000000 0x1000>;
+        interrupts = <0 379 4>;
+        nand-bus-width = <8>;
+        nand-ecc-mode = "hw";
+        nand-ecc-strength = <16>;
+        nand-ecc-step-size = <1024>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        partitions {
+             compatible = "fixed-partitions";
+             #address-cells = <1>;
+             #size-cells = <1>;
+
+             partition@0 {
+                 label = "nand_text";
+                 reg = <0x0 0x400000>;
+            };
+        };
+    };
+...

---
base-commit: d4906ae14a5f136ceb671bb14cedbf13fa560da6
change-id: 20260306-hisi504-1-d7aa09c70d93

Best regards,
-- 
Akhila YS <akhilayalmati@xxxxxxxxx>