watchdog: realtek-otto: Change to use regmap API

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To make the realtek watchdog driver functional when SWAP_IO_SPACE
config is enabled, change all of the register access to be done
by regmap API which helps us to tweak endianness with big-endian
or little-endian property from within the device tree node.

Add the REGMAP_MMIO as a select to REALTEK_OTTO_WDT now that the
regmap is used.

Signed-off-by: Rustam Adilov <adilov@disroot.org>
Link: https://lore.kernel.org/r/20260710074316.46643-2-adilov@disroot.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

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This commit is contained in:

Rustam Adilov 2026-07-10 12:43:16 +05:00 • committed by Guenter Roeck

parent 7762911c0d

commit 969ca8f12d

2 changed files with 39 additions and 36 deletions

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1

drivers/watchdog/Kconfig

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74

drivers/watchdog/realtek_otto_wdt.c

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