Re: [PATCH 4/5] dt-bindings: net: maxlinear: add MxL86211C lane mapping support

[Robert Marko]

On Thu, Oct 1, 2026 at 7:55 AM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>
> On Wed, Sep 30, 2026 at 02:22:16PM +0200, Robert Marko wrote:
> > Describe the optional lane-to-ASP mapping for the MxL86211C PHY.
> >
> > The mapping accounts for board-level swaps between its physical TPI
> > lanes and analog signal processing lanes.
> >
> > MxL86211C supports per lane mapping.
> >
> > Signed-off-by: Robert Marko <robert.marko@xxxxxxxxxx>
> > ---
> >  .../bindings/net/maxlinear,gpy2xx.yaml        | 19 +++++++++++++++++++
> >  1 file changed, 19 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/net/maxlinear,gpy2xx.yaml b/Documentation/devicetree/bindings/net/maxlinear,gpy2xx.yaml
> > index 0645e885f1747..b98cb3c3e6d49 100644
> > --- a/Documentation/devicetree/bindings/net/maxlinear,gpy2xx.yaml
> > +++ b/Documentation/devicetree/bindings/net/maxlinear,gpy2xx.yaml
> > @@ -22,6 +22,21 @@ allOf:
> >
> >      then:
> >        properties:
> > +        maxlinear,lane-asp-map:
> > +          description: |
> > +            Mapping of the physical TPI lanes A through D to the PHY's
> > +            analog signal processing lanes (ASPs). The array index identifies
>
> Are there other lanes as well? Not ASP? What sort? data-lanes does not
> fit here?

Hi,
I tried to keep it similar to the datasheet, but looking back, a more
appropriate
name would be ASP instances instead of lanes.

I am not sure if data-lanes describe what it is fully but I am open to ideas.

Regards,
Robert

>
> > +            physical lane A, B, C, or D, while its value identifies ASP A, B,
> > +            C, or D, encoded as 0 through 3. Each ASP must be mapped exactly
> > +            once. Omit the property to retain the hardware reset mapping.
> > +          $ref: /schemas/types.yaml#/definitions/uint32-array
>
> Best regards,
> Krzysztof
>


-- 
Robert Marko
Staff Embedded Linux Engineer
Sartura d.d.
Lendavska ulica 16a
10000 Zagreb, Croatia
Email: robert.marko@xxxxxxxxxx
Web: www.sartura.hr