On 2023/05/02 19:03, Ted Ri wrote: > According to Compulab the Fitlet3 onboard Ethernet uses Marvell 88E1512 phys. > The data sheet from Marvell is here: > > https://www.marvell.com/content/dam/marvell/en/public-collateral/phys-transceivers/marvell-phys-transceivers-alaska-88e151x-datasheet.pdf
The PHY is likely already supported or very close to something already supported, it's the network interface itself that isn't.