Re: [PATCH net-next 4/8] net: dsa: lan9645x: add basic dsa driver for LAN9645X

From: Jens Emil Schulz Ostergaard

Date: Fri Mar 06 2026 - 10:07:17 EST


On Thu, 2026-03-05 at 18:37 +0100, Andrew Lunn wrote:
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>
> > > However, this is a multi-giga switch, with high speed SERDES ports. My
> > > guess is, a SERDES port is used to connect to the host, not RGMII. So
> > > i would not implement this, until somebody reports having a board with
> > > RGMII connecting to the host. KISS.
> >
> > We intend to do exactly that with this switch, just because the host
> > doesn't support SGMII, just RMII/RGMII.
>
> :-)
>
> Then i suggest using {rx|tx}-internal-delay-ps as Vladimir suggested.
>
> Andrew

OK, I will use {rx|tx}-internal-delay-ps instead. I can add that the 
current EVB board for lan9645x also uses RGMI mac2mac to the host, so there
are already users who would appreciate this. This is the LAN96459 EDS2 
Daughter Card with part number EV14H52A.


Thanks,
Emil