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

From: Dan Murphy
Date: Tue Oct 20 2020 - 08:02:31 EST


Andrew

On 10/19/20 5:04 PM, Dan Murphy wrote:
Andrew

On 10/19/20 4:55 PM, Andrew Lunn wrote:
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?

I personally don't know about interoperability my tests were T1L to T1L but I forwarded these questions to my HW PHY team.

HW team says no to interoperability.  So we can just add T1L and advertise that type.

The DP83TD510L capability is limited to 10Base-T1L only.

Dan