Hi Tim, On Thu, Apr 27, 2023 at 3:46 PM Tim Harvey <thar...@gateworks.com> wrote:
> Fabio, > > Do you have another board to test with that uses both imx8mm usb host > controllers? With your imx8mm dtsi sync added a simple 'usb start' > hangs on my imx8mm-gw71xx board when the second controller is enabled: > starting USB... > Bus usb@32e40000: USB EHCI 1.00 > Bus usb@32e50000: No other imx8mm-based board here at the moment, sorry. Without the imx8mm.dtsi sync patch, I was able to reproduce the hang after running "usb start && usb stop". After the imx8mm.dtsi sync patch, I do not see the hang. > I don't believe the imx8mm-evk even has proper USB support in general > (which is probably why CMD_USB is not enabled). Only one port is > enabled in the dt and If I connect a USB-C to host cable with device > in it to that port a 'usb tree' does not even show the device > enumerated. Yes, in U-Boot there is no ptn5110 driver, so the imx8mm-evk is not complete.
