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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/arm,sbsa-gwdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SBSA (Server Base System Architecture) Generic Watchdog
+
+maintainers:
+ - Fu Wei <fu.wei@linaro.org>
+
+description: |
+ The SBSA Generic Watchdog Timer is used to force a reset of the system after
+ two stages of timeout have elapsed. A detailed definition of the watchdog
+ timer can be found in the ARM document: ARM-DEN-0029 - Server Base System
+ Architecture (SBSA)
+
+allOf:
+ - $ref: watchdog.yaml#
+
+properties:
+ compatible:
+ const: arm,sbsa-gwdt
+
+ reg:
+ items:
+ - description: Watchdog control frame
+ - description: Refresh frame
+
+ interrupts:
+ description: The Watchdog Signal 0 (WS0) SPI (Shared Peripheral Interrupt)
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+unevaluatedProperties: false
+
+examples:
+ - |
+
+ watchdog@2a440000 {
+ compatible = "arm,sbsa-gwdt";
+ reg = <0x2a440000 0x1000>,
+ <0x2a450000 0x1000>;
+ interrupts = <0 27 4>;
+ timeout-sec = <30>;
+ };
+...