On Sun, Jul 25, 2021 at 10:51:42PM -0500, Samuel Holland wrote: > 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. > > Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx> > --- > .../devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml b/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml > index 853ceb1b7c0f..756e6ab99860 100644 > --- a/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml > +++ b/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml > @@ -29,6 +29,7 @@ properties: > - items: > - const: allwinner,suniv-f1c100s-wdt > - const: allwinner,sun4i-a10-wdt > + - const: allwinner,sun20i-d1-wdt Alignment is off. Guenter > > reg: > maxItems: 1 > @@ -59,6 +60,7 @@ if: > compatible: > contains: > enum: > + - allwinner,sun20i-d1-wdt > - allwinner,sun50i-r329-wdt > > then: