[PATCH v4 01/13] dt-bindings: net: mediatek,net: update for mt7988

Rob Herring robh at kernel.org
Tue Jun 17 08:13:54 PDT 2025


On Mon, Jun 16, 2025 at 11:58:11AM +0200, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w at public-files.de>
> 
> Update binding for mt7988 which has 3 gmac and 2 reg items.
> 
> With RSS-IRQs the interrupt max-items is now 6. Add interrupt-names
> to make them accessible by name.
> 
> Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
> ---
> v4:
> - increase max interrupts to 8 because of RSS/LRO interrupts

But the schema says 6?

> - dropped Robs RB due to this change
> - allow interrupt names
> - add interrupt-names without reserved IRQs on mt7988
>   this requires mtk driver patch:
>   https://patchwork.kernel.org/project/netdevbpf/patch/20250616080738.117993-2-linux@fw-web.de/
> 
> v2:
> - change reg to list of items
> ---
>  .../devicetree/bindings/net/mediatek,net.yaml | 28 ++++++++++++++++---
>  1 file changed, 24 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/mediatek,net.yaml b/Documentation/devicetree/bindings/net/mediatek,net.yaml
> index 9e02fd80af83..f8025f73b1cb 100644
> --- a/Documentation/devicetree/bindings/net/mediatek,net.yaml
> +++ b/Documentation/devicetree/bindings/net/mediatek,net.yaml
> @@ -28,7 +28,10 @@ properties:
>        - ralink,rt5350-eth
>  
>    reg:
> -    maxItems: 1
> +    items:
> +      - description: Register for accessing the MACs.
> +      - description: SoC internal SRAM used for DMA operations.
> +    minItems: 1
>  
>    clocks:
>      minItems: 2
> @@ -40,7 +43,11 @@ properties:
>  
>    interrupts:
>      minItems: 1
> -    maxItems: 4
> +    maxItems: 6
> +
> +  interrupt-names:
> +    minItems: 1
> +    maxItems: 6
>  
>    power-domains:
>      maxItems: 1
> @@ -348,7 +355,17 @@ allOf:
>      then:
>        properties:
>          interrupts:
> -          minItems: 4
> +          minItems: 2
> +
> +        interrupt-names:
> +          minItems: 2
> +          items:
> +            - const: tx
> +            - const: rx
> +            - const: rx-ring0
> +            - const: rx-ring1
> +            - const: rx-ring2
> +            - const: rx-ring3
>  
>          clocks:
>            minItems: 24
> @@ -381,8 +398,11 @@ allOf:
>              - const: xgp2
>              - const: xgp3
>  
> +        reg:
> +          minItems: 2
> +
>  patternProperties:
> -  "^mac@[0-1]$":
> +  "^mac@[0-2]$":
>      type: object
>      unevaluatedProperties: false
>      allOf:
> -- 
> 2.43.0
> 



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