Files
cubelinux-kernel/Documentation/devicetree/bindings/watchdog/xlnx,versal-wwdt.yaml
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

51 lines
1.2 KiB
YAML

# 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>;
};
...