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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/fsl-imx-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX Watchdog Timer (WDT) Controller
+
+maintainers:
+ - Anson Huang <Anson.Huang@nxp.com>
+
+allOf:
+ - $ref: "watchdog.yaml#"
+
+properties:
+ compatible:
+ oneOf:
+ - const: fsl,imx21-wdt
+ - items:
+ - enum:
+ - fsl,imx8mm-wdt
+ - fsl,imx8mn-wdt
+ - fsl,imx8mp-wdt
+ - fsl,imx8mq-wdt
+ - const: fsl,imx21-wdt
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ fsl,ext-reset-output:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description: |
+ If present, the watchdog device is configured to assert its
+ external reset (WDOG_B) instead of issuing a software reset.
+
+required:
+ - compatible
+ - interrupts
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/imx6qdl-clock.h>
+
+ watchdog@20bc000 {
+ compatible = "fsl,imx21-wdt";
+ reg = <0x020bc000 0x4000>;
+ interrupts = <0 80 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clks IMX6QDL_CLK_IPG>;
+ };
+
+...