Merge tag 'linux-watchdog-6.5-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - add Xilinx Versal watchdog

 - support Hygon FCH/SCH (Server Controller Hub)

 - convert GPL notices to SPDX identifiers

 - other improvements

* tag 'linux-watchdog-6.5-rc1' of git://www.linux-watchdog.org/linux-watchdog:
  watchdog: sp5100_tco: support Hygon FCH/SCH (Server Controller Hub)
  dt-bindings: watchdog: restrict node name suffixes
  MAINTAINERS: Add support for Xilinx versal watchdog
  watchdog: xilinx_wwdt: Add Versal window watchdog support
  dt-bindings: watchdog: xlnx,versal-wwdt: Add versal watchdog
  watchdog: ziirave_wdt: Switch i2c driver back to use .probe()
  watchdog: ibmasr: Replace GPL license notice with SPDX identifier
  watchdog: Convert GPL 2.0 notice to SPDX identifier
  watchdog: loongson1_wdt: Add DT support

1 files changed, 50 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml b/Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml
new file mode 100644
index 000000000000..14b069599740
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/xlnx,versal-wwdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Xilinx Versal window watchdog timer controller
+
+maintainers:
+  - Neeli Srinivas <srinivas.neeli@amd.com>
+
+description:
+  Versal watchdog intellectual property uses window watchdog mode.
+  Window watchdog timer(WWDT) contains closed(first) and open(second)
+  window with 32 bit width. Write to the watchdog timer within
+  predefined window periods of time. This means a period that is not
+  too soon and a period that is not too late. The WWDT has to be
+  restarted within the open window time. If software tries to restart
+  WWDT outside of the open window time period, it generates a reset.
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    enum:
+      - xlnx,versal-wwdt
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    watchdog@fd4d0000 {
+        compatible = "xlnx,versal-wwdt";
+        reg = <0xfd4d0000 0x10000>;
+        clocks = <&clock25>;
+        timeout-sec = <30>;
+    };
+...