i.MX8MP usb status

[Tim Harvey]

On Fri, May 20, 2022 at 2:31 PM Marek Vasut <marex at denx.de> wrote:
>
> On 5/20/22 20:21, Tim Harvey wrote:
> > On Fri, May 20, 2022 at 10:08 AM Tim Harvey <tharvey at gateworks.com> wrote:
> >>
> >> On Wed, May 4, 2022 at 5:53 AM Marek Vasut <marex at denx.de> wrote:
> >>>
> >>> On 5/4/22 14:26, Peng Fan wrote:
> >>>> Hi Marek,
> >>>
> >>> Hi,
> >>>
> >>>> Since you did some work on i.MX8MP USB, may I know the status?
> >>>> Does host/device mode both supported in upstream?
> >>>
> >>> I only have HOST option available, so for me this is only HOST.
> >>>
> >>> I did not test GADGET or OTG .
> >>>
> >>
> >> Marek,
> >>
> >> Do you still have IMX8MP USB host working on top of v2022.07-rc2,
> >> master, or imx-master? It worked for me previously at some point
> >> applying your dwc3 glue series [1] from a repo you pointed me to that
> >> I can no longer find but now I see an issue where device_probe fails:
> >>
> >> u-boot=> usb start
> >> starting USB...
> >> Bus usb at 38100000: probe failed, error -61
> >> Bus usb at 38200000: probe failed, error -61
> >> No working controllers found
> >>
> >> The failure is that dwc3_glue_probe fails to find 'usb3-phy' due to
> >> that being in the phy-names node of usb at 38100000 and not its parent
> >> usb at 32f10100
> >>
> >> Am I missing a patch perhaps to dwc3_glue_probe in dwc3-generic.c?
> >>
> >> Tim
> >> [1] https://patchwork.ozlabs.org/project/uboot/list/?series=293112
> >
> > Marek,
> >
> > I didn't explain that right. The failure is that dwc3_glue_probe gets
> > passed usb3_0:usb at 32f10100 USB (controller dev) and tries to find
> > usb3-phy in the phy-names prop of that dev where-as the phy-name node
> > is in the usb_dwc3_0:usb at 38100000 phy child of the controller instead
> >
> > However, I still wonder if I'm missing a patch that deals with this or
> > if something just changed between testing your patch series and now.
>
> There's already fix in u-boot-usb/master , see the topmost patch there.

Yep, that was it.

Thanks,

Tim