[PATCH 1/4] dt-bindings: net: rockchip-dwmac: Add compatible string for RK3528

Conor Dooley conor at kernel.org
Fri Mar 7 07:42:36 PST 2025


On Thu, Mar 06, 2025 at 10:13:54PM +0000, Jonas Karlman wrote:
> Rockchip RK3528 has two Ethernet controllers based on Synopsys DWC
> Ethernet QoS IP.
> 
> Add compatible string for the RK3528 variant.
> 
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
> ---
> I was not able to restrict the minItems change to only apply to the new
> compatible, please advise on how to properly restrict the minItems
> change if needed.

What do you mean by that? As in, what did you try and did not work?
Usually you do something like
if:
  not:
    compatible:
      contains:
        rockchip,rk3528-gmac
then:
  properties:
    clocks:
      minItems: 5

> 
> Also, because snps,dwmac-4.20a is already listed in snps,dwmac.yaml
> adding the rockchip,rk3528-gmac compatible did not seem necessary.
> ---
>  Documentation/devicetree/bindings/net/rockchip-dwmac.yaml | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
> index 05a5605f1b51..3c25b49bd78e 100644
> --- a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
> @@ -24,6 +24,7 @@ select:
>            - rockchip,rk3366-gmac
>            - rockchip,rk3368-gmac
>            - rockchip,rk3399-gmac
> +          - rockchip,rk3528-gmac
>            - rockchip,rk3568-gmac
>            - rockchip,rk3576-gmac
>            - rockchip,rk3588-gmac
> @@ -49,6 +50,7 @@ properties:
>                - rockchip,rv1108-gmac
>        - items:
>            - enum:
> +              - rockchip,rk3528-gmac
>                - rockchip,rk3568-gmac
>                - rockchip,rk3576-gmac
>                - rockchip,rk3588-gmac
> @@ -56,7 +58,7 @@ properties:
>            - const: snps,dwmac-4.20a
>  
>    clocks:
> -    minItems: 5
> +    minItems: 4
>      maxItems: 8
>  
>    clock-names:
> -- 
> 2.48.1
> 
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