[PATCH 1/3] Documentation: watchdog: Add Mstar MSC313e WDT devicetree bindings documentation

[Romain Perier]

This adds the documentation for the devicetree bindings of the Mstar
MSC313e watchdog driver, found from MSC313e SoCs and newer.

Signed-off-by: Romain Perier <romain.perier@xxxxxxxxx>
---
 .../bindings/watchdog/msc313e-wdt.yaml        | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/msc313e-wdt.yaml

diff --git a/Documentation/devicetree/bindings/watchdog/msc313e-wdt.yaml b/Documentation/devicetree/bindings/watchdog/msc313e-wdt.yaml
new file mode 100644
index 000000000000..70b8e1be5e8e
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/msc313e-wdt.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/msc313e-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MStar Watchdog Device Tree Bindings
+
+maintainers:
+  - Daniel Palmer <daniel@xxxxxxxx>
+  - Romain Perier <romain.perier@xxxxxxxxx>
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    enum:
+      - mstar,msc313e-wdt
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - clocks
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    watchdog: watchdog@6000 {
+        compatible = "mstar,msc313e-wdt";
+        reg = <0x6000 0x1f>;
+        clocks = <&xtal_div2>;
+    };
-- 
2.30.2