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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/reset/atmel,sama5d2-shdwc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip AT91 SAMA5D2 SHDWC Shutdown Controller
+
+maintainers:
+  - Claudiu Beznea <claudiu.beznea@microchip.com>
+
+description: |
+  Microchip AT91 SHDWC shutdown controller controls the power supplies VDDIO
+  and VDDCORE and the wake-up detection on debounced input lines.
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - const: microchip,sama7g5-shdwc
+          - const: syscon
+      - enum:
+          - atmel,sama5d2-shdwc
+          - microchip,sam9x60-shdwc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+  debounce-delay-us:
+    description:
+      Minimum wake-up inputs debouncer period in microseconds. It is usually a
+      board-related property.
+
+  atmel,wakeup-rtc-timer:
+    description: enable real-time clock wake-up
+    type: boolean
+
+  atmel,wakeup-rtt-timer:
+    description: enable real-time timer wake-up
+    type: boolean
+
+patternProperties:
+  "^input@[0-15]$":
+    description:
+      Wake-up input nodes. These are usually described in the "board" part of
+      the Device Tree. Note also that input 0 is linked to the wake-up pin and
+      is frequently used.
+    type: object
+    properties:
+      reg:
+        description: contains the wake-up input index
+        minimum: 0
+        maximum: 15
+
+      atmel,wakeup-active-high:
+        description:
+          The corresponding wake-up input described by the child forces the
+          wake-up of the core power supply on a high level. The default is to
+          be active low.
+        type: boolean
+
+    required:
+      - reg
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: atmel,sama5d2-shdwc
+    then:
+      properties:
+        atmel,wakeup-rtt-timer: false
+
+additionalProperties: false
+
+examples:
+  - |
+    shdwc: poweroff@f8048010 {
+        compatible = "atmel,sama5d2-shdwc";
+        reg = <0xf8048010 0x10>;
+        clocks = <&clk32k>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+        atmel,wakeup-rtc-timer;
+        debounce-delay-us = <976>;
+
+        input@0 {
+            reg = <0>;
+        };
+
+        input@1 {
+            reg = <1>;
+            atmel,wakeup-active-high;
+        };
+    };
+
+...