On 6/24/19 7:52 AM, René van Dorst wrote: > On some platforum the external phy can only interface to the port 5 of the > switch because the RGMII TX and RX lines are swapped. But it still can be > useful to use the internal phy of the switch to act as a WAN port which > connectes to the 2nd GMAC. This gives WAN port dedicated bandwidth to > the SOC. This increases the LAN and WAN routing. > > By adding the optional property mediatek,ephy-handle, the external phy > is put in isolation mode when internal phy is connected to 2nd GMAC via > phy-handle property.
Most platforms we have seen so far implement this logic with a mdio-mux, can you see if that is possible here? stmmac has plenty of examples like those. -- Florian
