Re: [PATCH 09/15] dt-bindings: net: mediatek,net: Correct bindings for MT7981

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On Thu, Oct 16, 2025 at 01:29:01PM +0200, AngeloGioacchino Del Regno wrote:
> Il 16/10/25 12:08, Sjoerd Simons ha scritto:
> > Different SoCs have different numbers of Wireless Ethernet
> > Dispatch (WED) units:
> > - MT7981: Has 1 WED unit
> > - MT7986: Has 2 WED units
> > - MT7988: Has 2 WED units
> > 
> > Update the binding to reflect these hardware differences. The MT7981
> > also uses infracfg for PHY switching, so allow that property.
> > 
> > Signed-off-by: Sjoerd Simons <sjoerd@xxxxxxxxxxxxx>
> > ---
> >   Documentation/devicetree/bindings/net/mediatek,net.yaml | 16 +++++++++++++---
> >   1 file changed, 13 insertions(+), 3 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/net/mediatek,net.yaml b/Documentation/devicetree/bindings/net/mediatek,net.yaml
> > index b45f67f92e80d..453e6bb34094a 100644
> > --- a/Documentation/devicetree/bindings/net/mediatek,net.yaml
> > +++ b/Documentation/devicetree/bindings/net/mediatek,net.yaml
> > @@ -112,7 +112,7 @@ properties:
> >     mediatek,wed:
> >       $ref: /schemas/types.yaml#/definitions/phandle-array
> > -    minItems: 2
> > +    minItems: 1
> 
> If minItems is 1 here
> 
> >       maxItems: 2
> >       items:
> >         maxItems: 1
> > @@ -338,12 +338,14 @@ allOf:
> >               - const: netsys0
> >               - const: netsys1
> > -        mediatek,infracfg: false
> > -
> >           mediatek,sgmiisys:
> >             minItems: 2
> >             maxItems: 2
> > +        mediatek,wed:
> > +          minItems: 1
> 
> You just need maxItems here.
> 
> > +          maxItems: 1
> > +
> >     - if:
> >         properties:
> >           compatible:
> > @@ -385,6 +387,10 @@ allOf:
> >             minItems: 2
> >             maxItems: 2
> > +        mediatek,wed:
> > +          minItems: 2
> > +          maxItems: 2
> > +
> >     - if:
> >         properties:
> >           compatible:
> > @@ -429,6 +435,10 @@ allOf:
> >               - const: xgp2
> >               - const: xgp3
> > +        mediatek,wed:
> > +          minItems: 2
> > +          maxItems: 2
> 
> Analogously, you should be needing just minItems here if I'm not wrong.

Yeah, you don't need to duplicate constraints that are copies of the
outermost one set in the definition. I dunno how it is actually done by
the schema tools, but I like to think of it that every constraint that's
possible is applied at the same time.

pw-bot: changes-requested

> 
> Cheers,
> Angelo
> 
> > +
> >   patternProperties:
> >     "^mac@[0-2]$":
> >       type: object
> > 
> 
> 

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