[PATCH v2 1/6] dt-bindings: spi: sun6i: add DT bindings for Allwinner R329 SPI

Conor Dooley conor at kernel.org
Sat May 6 03:45:38 PDT 2023


Hey Maksim,

On Sat, May 06, 2023 at 10:30:09AM +0300, Maksim Kiselev wrote:
> From: Icenowy Zheng <icenowy at aosc.io>
> 
> Allwinner R329 SPI has two controllers, and the second one has helper
> functions for MIPI-DBI Type C.
> 
> Add compatible strings for these controllers
> 
> Signed-off-by: Icenowy Zheng <icenowy at aosc.io>
> ---
>  .../devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml        | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml b/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml
> index de36c6a34a0f..2c1b8da35339 100644
> --- a/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml
> +++ b/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml
> @@ -21,6 +21,8 @@ properties:
>      oneOf:
>        - const: allwinner,sun6i-a31-spi
>        - const: allwinner,sun8i-h3-spi
> +      - const: allwinner,sun50i-r329-spi
> +      - const: allwinner,sun50i-r329-spi-dbi

From the driver patch:
"Add basical support for these controllers. As we're not going to
support the DBI functionality now, just implement the two kinds of
controllers as the same."

Should this not be set up as a fallback compatible, per Samuel's
suggestion here:
https://lore.kernel.org/lkml/9ae7d1ee-4e2d-f3c1-f55f-e96b0e449b63@sholland.org/

Thanks,
Conor.

>        - items:
>            - enum:
>                - allwinner,sun8i-r40-spi
> -- 
> 2.39.2
> 
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