Subject: Re: [PATCH net-next 4/6] net: dsa: mt7530: Add the support of MT7531 switch

From: Marek Behun <[email-masked]>
Date: Tue, 10 Dec 2019 21:33:51 +0100

On Tue, 10 Dec 2019 17:35:57 +0100
Andrew Lunn <[email-masked]> wrote:

> On Tue, Dec 10, 2019 at 04:14:40PM +0800, Landen Chao wrote:
> > Add new support for MT7531:
> > 
> > MT7531 is the next generation of MT7530. It is also a 7-ports switch with
> > 5 giga embedded phys, 2 cpu ports, and the same MAC logic of MT7530. Cpu
> > port 6 only supports HSGMII interface. Cpu port 5 supports either RGMII
> > or HSGMII in different HW sku.  
> 
> Hi Landen
> 
> Looking at the code, you seem to treat HSGMII as 2500Base-X. Is this
> correct? Or is it SGMII over clocked to 2.5Gbps?
> 
> 	 Andrew

How would that work? Would 10 and 100 be overclocked to 25 and 250?