[PATCH v2 2/3] dt-bindings: watchdog: sunxi: Add compatible for D1

[Samuel Holland]

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 at kernel.org>
Signed-off-by: Samuel Holland <samuel at sholland.org>
---
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:
-- 
2.31.1