On Wed, Aug 04, 2021 at 11:57:15PM -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. > > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx> > Acked-by: Maxime Ripard <maxime@xxxxxxxxxx> Acked-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > Changes v1 to v2: > - None. > > .../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 8fa5b0d32381..6ef5e7caae80 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 > > reg: > maxItems: 1 > @@ -61,6 +62,7 @@ if: > compatible: > contains: > enum: > + - allwinner,sun20i-d1-wdt > - allwinner,sun50i-r329-wdt > > then: