Re: [PATCH 2/3] usb: chipidea: usbmisc_imx: delete clock information

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On Fri, Jun 5, 2015 at 2:58 PM, Maciej S. Szmigiero
<mail@xxxxxxxxxxxxxxxxxxxxx> wrote:

> That was a good lead, I've looked at imx6qdl-udoo.dtsi definition of usbh1 USB host
> device and it overrides clock property from imx6qdl.dtsi (USBOH3) with a clock that is
> used to drive on-board USB hub.
>
> After commenting out this line in imx6qdl-udoo.dtsi the SoC no longer locked up,
> but USB still don't work due to lack of hub clocking.
>
> Previously, looks like this has worked because USBOH3 clock is also used in usbmisc
> clock property and so was enabled there until this commit.
>
> Now, there is a question where to put this USB hub clock, since ci_hdrc seems to support
> just one clock definition.
> Is there any generic clock consumer driver that can be used for this?

Yes, providing USB hub reset and clock via dt is something that still
needs a proper solution:
http://www.spinics.net/lists/linux-usb/msg97483.html

Regards,

Fabio Estevam
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