Re: [PATCH v1 4/9] ARM: tegra: Enable UDC on TrimSlice

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On Thu, 2017-07-06 at 13:24 +0300, Dmitry Osipenko wrote:
> On 06.07.2017 04:24, Peter Chen wrote:
> > On Wed, Jul 05, 2017 at 08:19:53PM +0300, Dmitry Osipenko wrote:
> > > From: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane
> > > .org>
> > > 
> > > Override the compatible string of the first USB controller to
> > > enable
> > > device mode.
> > > 
> > > Signed-off-by: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@pub
> > > lic.gmane.org>
> > > ---
> > >  arch/arm/boot/dts/tegra20-trimslice.dts | 2 ++
> > >  1 file changed, 2 insertions(+)
> > > 
> > > diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts
> > > b/arch/arm/boot/dts/tegra20-trimslice.dts
> > > index b902ab594afa..96b4f3f9827b 100644
> > > --- a/arch/arm/boot/dts/tegra20-trimslice.dts
> > > +++ b/arch/arm/boot/dts/tegra20-trimslice.dts
> > > @@ -336,7 +336,9 @@
> > >  	};
> > >  
> > >  	usb@c5000000 {
> > > +		compatible = "nvidia,tegra20-udc";
> > >  		status = "okay";
> > > +		dr_mode = "otg";
> > 
> > If this board supports peripheral-only, you need to
> > set dr_mode as "peripheral".
> > 
> 
> It should support OTG, but we aren't going to implement the host mode
> switch for
> now. Stephen claims that the host mode is working with the tegra-ehci 
> driver, it
> would be nice if anyone could confirm this.

I can confirm that on Colibri T20, Apalis/Colibri T30 and Apalis TK1
host mode works just fine with the regular tegra-ehci driver.

I'm about to give your patch set a try on those boards as well and will
give further feedback.��.n��������+%������w��{.n�����{��נ���^n�r������&��z�ޗ�zf���h���~����������_��+v���)ߣ�

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