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

Guenter Roeck linux at roeck-us.net
Sat Aug 28 09:23:49 PDT 2021


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 at kernel.org>
> Signed-off-by: Samuel Holland <samuel at sholland.org>
> Acked-by: Maxime Ripard <maxime at cerno.tech>

Acked-by: Guenter Roeck <linux at roeck-us.net>

> ---
> 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:



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