dt-bindings: mtd: Add ts7250 nand-controller

Add YAML bindings for ts7250 NAND Controller.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>

diff --git a/Documentation/devicetree/bindings/mtd/technologic,nand.yaml b/Documentation/devicetree/bindings/mtd/technologic,nand.yaml
new file mode 100644 (file)
index 0000000..a0acad4
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/technologic,nand.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/technologic,nand.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Technologic Systems NAND controller
+
+maintainers:
+  - Nikita Shubin <nikita.shubin@maquefel.me>
+
+allOf:
+  - $ref: nand-controller.yaml
+
+properties:
+  compatible:
+    oneOf:
+      - const: technologic,ts7200-nand
+      - items:
+          - enum:
+            - technologic,ts7300-nand
+            - technologic,ts7260-nand
+            - technologic,ts7250-nand
+          - const: technologic,ts7200-nand
+
+  reg:
+    maxItems: 1
+
+  '#address-cells': true
+  '#size-cells': true
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: true
+
+examples:
+  - |
+    nand-controller@60000000 {
+      compatible = "technologic,ts7200-nand";
+      reg = <0x60000000 0x8000000>;
+      #address-cells = <1>;
+      #size-cells = <1>;
+    };
+
+...