1 files changed, 100 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/marvell,orion-wdt.yaml b/Documentation/devicetree/bindings/watchdog/marvell,orion-wdt.yaml
new file mode 100644
index 000000000000..fdc7bc45dfde
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/marvell,orion-wdt.yaml
@@ -0,0 +1,100 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/marvell,orion-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell Orion Watchdog Timer
+
+maintainers:
+  - Andrew Lunn <andrew@lunn.ch>
+  - Gregory Clement <gregory.clement@bootlin.com>
+
+properties:
+  compatible:
+    enum:
+      - marvell,orion-wdt
+      - marvell,armada-370-wdt
+      - marvell,armada-xp-wdt
+      - marvell,armada-375-wdt
+      - marvell,armada-380-wdt
+
+  reg:
+    minItems: 2
+    items:
+      - description: Timer control register address
+      - description: RSTOUT enable register address
+      - description: Shared mask/unmask RSTOUT register address
+
+  clocks:
+    minItems: 1
+    items:
+      - description: L2/coherency fabric clock input
+      - description: Reference 25 MHz fixed-clock supply
+
+  clock-names:
+    minItems: 1
+    items:
+      - const: nbclk
+      - const: fixed
+
+  interrupts:
+    minItems: 1
+    items:
+      - description: timeout
+      - description: pre-timeout
+
+allOf:
+  - $ref: watchdog.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - marvell,armada-375-wdt
+              - marvell,armada-380-wdt
+    then:
+      properties:
+        reg:
+          minItems: 3
+    else:
+      properties:
+        reg:
+          maxItems: 2
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - marvell,armada-xp-wdt
+              - marvell,armada-375-wdt
+              - marvell,armada-380-wdt
+    then:
+      properties:
+        clocks:
+          minItems: 2
+        clock-names:
+          minItems: 2
+        interrupts:
+          minItems: 2
+
+      required:
+        - clock-names
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    watchdog@20300 {
+        compatible = "marvell,orion-wdt";
+        reg = <0x20300 0x28>, <0x20108 0x4>;
+        interrupts = <3>;
+        timeout-sec = <10>;
+        clocks = <&gate_clk 7>;
+    };