@@ -1,16 +0,0 @@
-Hisilicon Hi6220 SRAM controller
-
-Required properties:
-- compatible : "hisilicon,hi6220-sramctrl", "syscon"
-- reg : Register address and size
-
-Hisilicon's SoCs use sram for multiple purpose; on Hi6220 there have several
-SRAM banks for power management, modem, security, etc. Further, use "syscon"
-managing the common sram which can be shared by multiple modules.
-
-Example:
-	/*for Hi6220*/
-	sram: sram@fff80000 {
-		compatible = "hisilicon,hi6220-sramctrl", "syscon";
-		reg = <0x0 0xfff80000 0x0 0x12000>;
-	};

@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/hisilicon/controller/hisilicon,hi6220-sramctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Hisilicon Hi6220 SRAM controller
+
+maintainers:
+  - Wei Xu <xuwei5@hisilicon.com>
+
+description: |
+  Hisilicon's SoCs use SRAM for consistency purpose; on Hi6220 there have
+  several SRAM banks for power management, modem, security, etc. Further, use
+  "syscon" managing the common sram which can be shared by multiple modules.
+
+properties:
+  compatible:
+    items:
+      - const: hisilicon,hi6220-sramctrl
+      - const: syscon
+
+  reg:
+    description: Register address and size
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    /* for Hi6220 */
+    sram: sram@fff80000 {
+        compatible = "hisilicon,hi6220-sramctrl", "syscon";
+        reg = <0xfff80000 0x12000>;
+    };
+...