linux-kernel - [PATCH 0/3] watchdog: Add support for Andes ATCWDT200

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Message-ID: <20260107145058.213334-1-cl634@andestech.com>
Date: Wed, 7 Jan 2026 22:50:54 +0800
From: CL Wang <cl634@...estech.com>
To: <cl634@...estech.com>, <wim@...ux-watchdog.org>, <linux@...ck-us.net>,
        <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>
CC: <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-watchdog@...r.kernel.org>, <tim609@...estech.com>
Subject: [PATCH 0/3] watchdog: Add support for Andes ATCWDT200

This series adds support for the Andes ATCWDT200 watchdog timer.

The driver integrates with the Linux watchdog framework and supports:
  - Basic watchdog operations (start, stop, ping, set_timeout).
  - Programmable reset and interrupt intervals.
  - Automatic detection of the supported interrupt timer bit-width.
  - System reset via the watchdog restart handler.

CL Wang (3):
  dt-bindings: watchdog: Add support for Andes ATCWDT200
  watchdog: atcwdt200: Add driver for Andes ATCWDT200
  MAINTAINERS: Add entry for Andes ATCWDT200

 .../watchdog/andestech,ae350-wdt.yaml         |  48 ++
 MAINTAINERS                                   |   6 +
 drivers/watchdog/Kconfig                      |   9 +
 drivers/watchdog/Makefile                     |   1 +
 drivers/watchdog/atcwdt200_wdt.c              | 596 ++++++++++++++++++
 5 files changed, 660 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/andestech,ae350-wdt.yaml
 create mode 100644 drivers/watchdog/atcwdt200_wdt.c

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2.34.1