Hi OpenWrt community,
I just want to announce that I created a USB to MDIO adapter based on a Raspberry Pi Pico 1. Because it is an open source clone of a Marvell USB to MDIO adapter which has a mainline Linux driver mdio-mvusb
it is working out-of-the box in at least Ubuntu. Currently, I didn't see that mdio-mvusb
is included OpenWrt.
Project link: https://github.com/AlbrechtL/usb-mdio-adapter
My main use case is to explore Ethernet switch chips.
Examples
Kernel log
[ +3,286310] usb 1-2: new full-speed USB device number 49 using xhci_hcd
[ +0,152680] usb 1-2: New USB device found, idVendor=1286, idProduct=1fa4, bcdDevice= 0.00
[ +0,000017] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ +0,000007] usb 1-2: Product: Marvell USB MDIO Adapter Clone
[ +0,000006] usb 1-2: Manufacturer: Albrecht Lohofener
Get link status
$ mdio mvusb*
DEV PHY-ID LINK
0x00 0x001cc852 down
0x01 0x001cc852 down
0x02 0x001cc852 up
0x03 0x001cc852 down
0x04 0x001cc852 down
0x05 0x001cc852 down
Get PHY2 information
$ mdio mvusb* phy 2
BMCR(0x00): 0x3100
flags: -reset -loopback +aneg-enable -power-down -isolate -aneg-restart
-collision-test
speed: 100-full
BMSR(0x01): 0x786d
capabilities: -100-t4 +100-tx-f +100-tx-h +10-t-f +10-t-h -100-t2-f -100-t2-h
flags: -ext-status +aneg-complete -remote-fault +aneg-capable +link
-jabber +ext-register
ID(0x02/0x03): 0x001cc852
I hope you find this tool useful.