Re: [PATCH 2/2] arm64: dts: qcom: lemans-evk: Enable the tertiary USB controller

From: Krishna Kurapati PSSNV

Date: Tue Feb 10 2026 - 19:24:08 EST


On Wed, Feb 11, 2026 at 2:39 AM Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxxxxxxxx> wrote:
>
> 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.
>


Yes. Tertiary controller on lemans is HS only controller.

Regards,
Krishna,