diff mbox series

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

Message ID 20210805045716.46141-2-samuel@sholland.org
State New
Headers show
Series [v2,1/3] dt-bindings: watchdog: sunxi: Add compatible for R329 | expand

Commit Message

Samuel Holland Aug. 5, 2021, 4:57 a.m. UTC 
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@kernel.org>
Signed-off-by: Samuel Holland <samuel@sholland.org>
---
Changes v1 to v2:
 - None.

 .../devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml   | 2 ++
 1 file changed, 2 insertions(+)

Comments

Maxime Ripard Aug. 18, 2021, 9:07 a.m. UTC | #1 
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@kernel.org>
> Signed-off-by: Samuel Holland <samuel@sholland.org>

Acked-by: Maxime Ripard <maxime@cerno.tech>

Maxime
Guenter Roeck Aug. 28, 2021, 4:23 p.m. UTC | #2 
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@kernel.org>

> Signed-off-by: Samuel Holland <samuel@sholland.org>

> Acked-by: Maxime Ripard <maxime@cerno.tech>


Acked-by: Guenter Roeck <linux@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:
diff mbox series

Patch

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: