linux-kernel - Re: [PATCH] arm64: tegra: Set usb micro-b port to otg mode on P3450

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Message-ID: <iiooyryqjbfutvyycrk4wxgkhow42bnks7ndkkqy2zujv47bly@2f3sgagl6yte>
Date: Fri, 1 Aug 2025 11:41:16 +0200
From: Thierry Reding <thierry.reding@...il.com>
To: Aaron Kling <webgeek1234@...il.com>
Cc: Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Jonathan Hunter <jonathanh@...dia.com>, devicetree@...r.kernel.org, linux-tegra@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: tegra: Set usb micro-b port to otg mode on P3450

On Thu, Jul 31, 2025 at 04:40:05PM -0500, Aaron Kling wrote:
> On Mon, Jun 30, 2025 at 2:35 PM Aaron Kling <webgeek1234@...il.com> wrote:
> >
> > On Mon, May 26, 2025 at 8:22 PM Aaron Kling via B4 Relay
> > <devnull+webgeek1234.gmail.com@...nel.org> wrote:
> > >
> > > From: Aaron Kling <webgeek1234@...il.com>
> > >
> > > The usb micro-b port on p3450 is capable of otg and doesn't need
> > > hardcoded to peripheral. No other supported tegra device is set up like
> > > this, so align for consistency.
> > >
> > > Signed-off-by: Aaron Kling <webgeek1234@...il.com>
> > > ---
> > >  arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
> > > index 0ecdd7243b2eb1abba9adbe9a404b226c29b85ef..019484a271c396edc30200e8592c713455a8e1a4 100644
> > > --- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
> > > +++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
> > > @@ -514,7 +514,7 @@ pcie-6 {
> > >                 ports {
> > >                         usb2-0 {
> > >                                 status = "okay";
> > > -                               mode = "peripheral";
> > > +                               mode = "otg";
> > >                                 usb-role-switch;
> > >
> > >                                 vbus-supply = <&vdd_5v0_usb>;
> > >
> > > ---
> > > base-commit: 405e6c37c89ef0df2bfc7a988820a3df22dacb1b
> > > change-id: 20250513-p3450-otg-b947f31843d8
> > >
> > > Best regards,
> > > --
> > > Aaron Kling <webgeek1234@...il.com>
> >
> > Friendly reminder about this patch.
> 
> Re-reminder about this patch.

Sorry for missing this earlier. We're in the middle of the merge window
now, so I can't apply this to a tree that feeds into linux-next, but I
will pick it up once the merge window closes.

Thanks,
Thierry

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