docs: watchdog: npcm: Add reset status description

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Add documentation describing how the NPCM watchdog driver reports reset
causes through bootstatus on NPCM750 and NPCM845 systems.

Document the reset flag mapping, the watchdog instance mapping for
WDIOF_CARDRESET, and the NPCM750/NPCM845 latch handling. Also mention
sysfs bootstatus reporting when watchdog sysfs support is enabled.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Link: https://lore.kernel.org/r/20260706144828.3517631-3-tmaimon77@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

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Tomer Maimon 2026-07-06 17:48:27 +03:00 • committed by Guenter Roeck

parent 686a639c02

commit 016d840a7e

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Documentation/watchdog/index.rst

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71

Documentation/watchdog/npcm_wdt.rst

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