Re: [PATCH 2/2] arm64: dts: qcom: lemans-evk: Enable the tertiary USB controller
From: Dmitry Baryshkov
Date: Tue Feb 10 2026 - 16:09:56 EST
On Tue, Feb 10, 2026 at 08:29:50PM +0530, Swati Agarwal wrote:
> On Fri, Feb 6, 2026 at 5:44 PM Dmitry Baryshkov
> <dmitry.baryshkov@xxxxxxxxxxxxxxxx> wrote:
> >
> > On Fri, Feb 06, 2026 at 04:16:42PM +0530, Swati Agarwal wrote:
> > > Enable the tertiary usb controller connected to micro usb port in OTG mode
> > > on Lemans EVK platform.
> > >
> > > Signed-off-by: Swati Agarwal <swati.agarwal@xxxxxxxxxxxxxxxx>
> > > ---
> > > arch/arm64/boot/dts/qcom/lemans-evk.dts | 53 +++++++++++++++++++++++++
> > > arch/arm64/boot/dts/qcom/lemans.dtsi | 7 ++++
> > > 2 files changed, 60 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
> > > index 808827b83553..2710927c9172 100644
> > > --- a/arch/arm64/boot/dts/qcom/lemans.dtsi
> > > +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
> > > @@ -4270,7 +4270,14 @@ usb_2: usb@a400000 {
> > > snps,dis-u1-entry-quirk;
> > > snps,dis-u2-entry-quirk;
> > >
> > > + usb-role-switch;
> > > status = "disabled";
> > > +
> > > + port {
> > > + usb_2_dwc3_hs: endpoint {
> > > + };
> >
> > Is it USB-2 only? If not, please define both ports.
> Hi Dmitry,
> USB-2 is micro USB having only HS-PHY so only one port is needed.
micro USB is on the connector side. Here you are describing the USB
controller. Is it also HS-only? If the controller supports HS and SS,
you need to have two ports here.
>
> Regards,
> Swati
> >
> > > + };
> > > +
> > > };
> > >
> > > tcsr_mutex: hwlock@1f40000 {
> > > --
> > > 2.34.1
> > >
> >
> > --
> > With best wishes
> > Dmitry
--
With best wishes
Dmitry