[PATCH 1/2] dt-bindings: PCI: brcm,stb-pcie: Add num-lanes property

[Jim Quinlan]

On Tue, Jun 3, 2025 at 1:17 PM Florian Fainelli
<florian.fainelli at broadcom.com> wrote:
>
> On 6/3/25 10:16, Jim Quinlan wrote:
> > On Tue, Jun 3, 2025 at 12:24 PM Florian Fainelli
> > <florian.fainelli at broadcom.com> wrote:
> >>
> >> On 5/30/25 16:32, Florian Fainelli wrote:
> >>> On 5/30/25 15:40, Jim Quinlan wrote:
> >>>> Add optional num-lanes property Broadcom STB PCIe host controllers.
> >>>>
> >>>> Signed-off-by: Jim Quinlan <james.quinlan at broadcom.com>
> >>>
> >>> Reviewed-by: Florian Fainelli <florian.fainelli at broadcom.com>
> >>
> >> Sorry I take that back, I think this should be:
> >>
> >> num-lanes:
> >>     enum: [ 1, 2, 4 ]
> >>
> >> We are basically documenting the allowed values, not specifying that we
> >> can repeat the num-lames property between 1 and 4 times.
> >
> > num-lanes is already defined as
> >
> >      enum: [ 1, 2, 4, 8, 16, 32 ]
>
> Right, but then we need to re-define it with our own specific
> constraints, still, don't we?
We do; there is the provided enum and we provide the maximum and minimum.
The AND-ing of all constraints yields [1, 2, 4].
Also, I'm not sure one can redefine an existing property or would want to.

> --
> Florian
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