dt-bindings: mtd: add DT bindings for ts7250 nand

Add YAML bindings for ts7250 NAND.

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..3234d93
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/technologic,nand.yaml
@@ -0,0 +1,56 @@
+# 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:
+  - Lukasz Majewski <lukma@denx.de>
+
+properties:
+  compatible:
+    items:
+      - const: technologic,ts7200-nand
+      - const: gen_nand
+
+  reg:
+    maxItems: 1
+
+  '#address-cells': true
+  '#size-cells': true
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: true
+
+examples:
+  - |
+    nand-parts@0 {
+      compatible = "technologic,ts7200-nand", "gen_nand";
+      reg = <0x60000000 0x8000000>;
+      #address-cells = <1>;
+      #size-cells = <1>;
+
+      partition@0 {
+        label = "TS-BOOTROM";
+        reg = <0x00000000 0x00020000>;
+        read-only;
+      };
+
+      partition@20000 {
+        label = "Linux";
+        reg = <0x00020000 0x07d00000>;
+      };
+
+      partition@7d20000 {
+        label = "RedBoot";
+        reg = <0x07d20000 0x002e0000>;
+        read-only;
+      };
+    };
+
+...