diff --git a/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml b/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml
new file mode 100644
index 000000000000..dc7553f57708
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/allwinner,sun4i-a10-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A10 Watchdog Device Tree Bindings
+
+allOf:
+  - $ref: "watchdog.yaml#"
+
+maintainers:
+  - Chen-Yu Tsai <wens@csie.org>
+  - Maxime Ripard <maxime.ripard@bootlin.com>
+
+properties:
+  compatible:
+    oneOf:
+      - const: allwinner,sun4i-a10-wdt
+      - const: allwinner,sun6i-a31-wdt
+      - items:
+          - const: allwinner,sun50i-a64-wdt
+          - const: allwinner,sun6i-a31-wdt
+      - items:
+          - const: allwinner,sun50i-h6-wdt
+          - const: allwinner,sun6i-a31-wdt
+      - items:
+          - const: allwinner,suniv-f1c100s-wdt
+          - const: allwinner,sun4i-a10-wdt
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    wdt: watchdog@1c20c90 {
+        compatible = "allwinner,sun4i-a10-wdt";
+        reg = <0x01c20c90 0x10>;
+        timeout-sec = <10>;
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt b/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt
deleted file mode 100644
index e65198d82a2b..000000000000
--- a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-Allwinner SoCs Watchdog timer
-
-Required properties:
-
-- compatible : should be one of
-	"allwinner,sun4i-a10-wdt"
-	"allwinner,sun6i-a31-wdt"
-	"allwinner,sun50i-a64-wdt","allwinner,sun6i-a31-wdt"
-	"allwinner,sun50i-h6-wdt","allwinner,sun6i-a31-wdt"
-	"allwinner,suniv-f1c100s-wdt", "allwinner,sun4i-a10-wdt"
-- reg : Specifies base physical address and size of the registers.
-
-Optional properties:
-- timeout-sec : Contains the watchdog timeout in seconds
-
-Example:
-
-wdt: watchdog@1c20c90 {
-	compatible = "allwinner,sun4i-a10-wdt";
-	reg = <0x01c20c90 0x10>;
-	timeout-sec = <10>;
-};