dt-bindings: wdt: Add ts72xx

Add DT binding for Technologic Systems TS-72xx watchdog.

Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Nikita Shubin <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>

1 files changed, 45 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/watchdog/technologic,ts7200-wdt.yaml b/Documentation/devicetree/bindings/watchdog/technologic,ts7200-wdt.yaml
new file mode 100644
index 000000000000..7e4bfef152f8
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/technologic,ts7200-wdt.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/technologic,ts7200-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Technologic Systems TS-72xx based SBCs watchdog
+
+maintainers:
+  - Nikita Shubin <[email protected]>
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - const: technologic,ts7200-wdt
+      - items:
+          - enum:
+              - technologic,ts7300-wdt
+              - technologic,ts7260-wdt
+              - technologic,ts7250-wdt
+          - const: technologic,ts7200-wdt
+
+  reg:
+    items:
+      - description: control register
+      - description: feed register
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    watchdog@23800000 {
+      compatible = "technologic,ts7200-wdt";
+      reg = <0x23800000 0x01>, <0x23c00000 0x01>;
+      timeout-sec = <30>;
+    };
+
+...