Re: [PATCH] arm64: dts: imx8mp-evk: add dual-role usb port1 support

From: Shawn Guo
Date: Wed Apr 05 2023 - 09:16:51 EST


On Mon, Apr 03, 2023 at 11:38:12AM +0200, Andreas Henriksson wrote:
> Hello Marco Felsch,
>
> On Thu, Mar 30, 2023 at 04:38:13PM +0200, Marco Felsch wrote:
> > Hi,
> >
> > On 23-03-27, Andreas Henriksson wrote:
> [...]
> > > / {
> > > gpio-sbu-mux {
> > > compatible = "gpio-sbu-mux";
> [...]
> > I didn't tested it but at the moment I don't see the problem with my
> > patch.
>
> As Jun Li helpfully explained my patch is not correct, so don't bother.
>
> I don't have a problem with your patch, was just trying to share
> what I had done.
>
> I've since learned that the board I'll be working on will not even have
> SS, so I will not pursue SBU. I'll most likely use your patches instead
> as they seem simpler than what I did and should fully meet my needs for
> an usb port that works in both host and device mode.
>
> Not that it matters, but +1 from me on applying your patches.
> (If people are hesitant to do it because of lack of SS, then maybe
> that could be adressed by adding a comment setting the expectations?)

Marco,

Could you update the patch to mention a bit about Super-Speed support
as discussed here?

Shawn