[PATCH 1/4] ARM: dts: imx: bx50v3: Configure switch PHY max-speed

Ian Ray ian.ray at gehealthcare.com
Tue Feb 17 07:07:22 PST 2026


On Tue, Feb 17, 2026 at 03:53:08PM +0100, Andrew Lunn wrote:
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> 
> On Tue, Feb 17, 2026 at 02:59:48PM +0200, Ian Ray wrote:
> > Configure maximum speed for the switch PHYs according to the electrical
> > connections from PHY to RJ45 connector.
> 
> Are you saying only 2 of the 4 pairs are connected to the RJ45
> connector? And i assume you are using a 1G capable PHY?

That's right.

> 
> > +                                     max-speed = <100>; /* only 100Mbit/s lanes are routed */
> 
> lanes generally refer to SERDES interfaces. For twisted pairs we use
> pairs.

Thanks for the clarification: I will send a V3 in two weeks time.

> 
>         Andrew



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