Re: [PATCH v4 2/4] arm64: dts: qcom: Enable USB controllers on Shikra CQS platform
From: Dmitry Baryshkov
Date: Wed Jul 22 2026 - 01:35:07 EST
On Wed, Jul 22, 2026 at 07:22:47AM +0530, Krishna Kurapati wrote:
>
>
> On 7/22/2026 3:07 AM, Dmitry Baryshkov wrote:
> > On Tue, Jul 21, 2026 at 03:23:46PM +0530, Krishna Kurapati wrote:
> > > Enable both USB controllers in device mode on Shikra CQS platform.
> > >
> > > Signed-off-by: Krishna Kurapati <krishna.kurapati@xxxxxxxxxxxxxxxx>
> > > ---
> > > arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts | 35 +++++++++++++++++++++++++++++
> > > 1 file changed, 35 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts
> > > index b3f19a64d7ae..006e24a62f5c 100644
> > > --- a/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts
> > > +++ b/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts
> > > @@ -38,3 +38,38 @@ &sdhc_1 {
> > > status = "okay";
> > > };
> > > +
> > > +&usb_1 {
> > > + dr_mode = "peripheral";
> >
> > Why is peripheral-only?
> >
>
> On First controller of CQS/CQM platforms, usb-role-swtich is controller by
> PM4125 and on second controller of CQS/CQM platforms, and both controllers
> of IQS, its controller by Cypress PD controller. I will push out the PM4125
> changes in a different patch set since couple of issues are under debug. And
> the cypress pd controller changes are still under development. Hence enabled
> both controllers in device mode for now.
That needs to be explained in the commit messages.
>
> > > +
> > > + status = "okay";
> > > +};
> > > +
> >
>
--
With best wishes
Dmitry