Re: [PATCH net-next v2 2/3] dt-bindings: dp83td510: Add binding for DP83TD510 Ethernet PHY

From: Andrew Lunn
Date: Tue Oct 20 2020 - 15:07:24 EST


> Humm. Are 1v and 2.4v advertised so it can be auto negotiated? Maybe a
> PHY tunable is not correct? Is this voltage selection actually more
> like pause and EEE?

[Goes and looks at the datasheet]

Register 0x20E, bit 13:

1 = Advertise that the 10BASE-T1L PHY has increased transmit/
receive level ability
0 = Do not advertise that the 10BASE-T1L PHY has increased
transmit/receive level ability (default)

So does this mean 2.4v?

Andrew