Hi Andrew, On Thu, Aug 24, 2017 at 04:56:09PM +0200, Andrew Lunn wrote: > On Thu, Aug 24, 2017 at 10:38:19AM +0200, Antoine Tenart wrote: > > This patch adds logic to reconfigure the comphy/gop when the link status > > change at runtime. This is very useful on boards such as the mcbin which > > have SFP and Ethernet ports connected to the same MAC port: depending on > > what the user connects the driver will automatically reconfigure the > > link mode. > > I would expect each of these external Ethernet ports to have its own > Ethernet PHY. Don't you need to disconnect from one Ethernet phy and > connect to the other Ethernet PHY when you change external Ethernet > port?
That's the other way around. The engines outputs (say GoP#) are connected to the comphy inputs. In the SoC. Then there's a single output of this comphy lane to the board. So when switching modes, you do not have to connect to a different Ethernet PHY, it's the same. Antoine -- Antoine Ténart, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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