Re: [PATCH] net: ethernet: mvneta: add support for 2.5G DRSGMII mode

[Andrew Lunn]

On Mon, Jun 08, 2020 at 09:47:16AM +0200, Sascha Hauer wrote:
> The Marvell MVNETA Ethernet controller supports a 2.5 Gbps SGMII mode
> called DRSGMII.
> 
> This patch adds a corresponding phy-mode string 'drsgmii' and parses it
> from DT. The MVNETA then configures the SERDES protocol value
> accordingly.
> 
> It was successfully tested on a MV78460 connected to a FPGA.

Hi Sascha

Is this really overclocked SGMII, or 2500BaseX? How does it differ
from 2500BaseX, which mvneta already supports?

Also, does comphy need extensions to support this?

      Andrew