Re: [PATCH net-next 2/2] net: phy: dp83td510: Add support for the DP83TD510 Ethernet PHY

From: Andrew Lunn
Date: Mon Oct 19 2020 - 17:55:13 EST


On Mon, Oct 19, 2020 at 04:33:18PM -0500, Dan Murphy wrote:
> Andrew
>
> On 10/16/20 5:02 PM, Andrew Lunn wrote:
> > On Thu, Oct 08, 2020 at 11:23:47AM -0500, Dan Murphy wrote:
> > > The DP83TD510E is an ultra-low power Ethernet physical layer transceiver
> > > that supports 10M single pair cable.
> > Hi Dan
> >
> > I think you are going to have to add
> > ETHTOOL_LINK_MODE_10baseT1_Full_BIT? We already have 100T1 and 1000T1,
> > but not 10T1 :-(
>
> The data sheet says 10baseT1L.  Which is not there either and seems to be
> the latest 802.3cg spec and has a greater max distance and used for IoT and
> Automotive.

Hi Dan

Do you know anything about interropibility? Can a T1 and a T1L talk to
each other, if suitably close? I'm wondering if this device should say
it is both T1 and T1L? Or just T1L?

Andrew