dt-bindings: watchdog: sunxi: Add compatibles for D1

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D1 keeps the same register layout and clock sources as the R329, but it
adds a key field which must be set to update the watchdog's "CFG" and
"MODE" registers. Therefore it is not backward-compatible.

Similarly to the R329, the D1 has three watchdog instances, and only one
of them has the "soft reset" registers. So that instance needs an extra
compatible string.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210902225750.29313-3-samuel@sholland.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

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Samuel Holland 2021-09-02 17:57:49 -05:00 • committed by Wim Van Sebroeck

parent 28b7ee33a2

commit 601db21791

1 changed files with 6 additions and 0 deletions

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Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml

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