[U-Boot] USB doesn't work on Rockpro64 in u-boot

Jagan Teki jagan at amarulasolutions.com
Fri Nov 8 06:33:37 UTC 2019


Hi Vasily,

On Fri, Nov 8, 2019 at 9:18 AM Vasily Khoruzhick <anarsoul at gmail.com> wrote:
>
> I checked voltage on regulator enable pin and it's 1.5v in u-boot (and it's
> not enough to enable regulator!) and in linux it's 3v. That's why USB
> ports have no power in u-boot.
>
> Looks like u-boot doesn't switch GPIO voltage from 1.8v to 3.3v. Any
> ideas how to fix this?

I think I need to clock look of this, will look into it next week. I'm
travelling till that time.


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