Re: [PATCH v2 2/2] arm64: dts: qcom: Enable secondary USB controller on QCS615 Ride
From: Dmitry Baryshkov
Date: Fri Dec 13 2024 - 00:20:32 EST
On Thu, Dec 12, 2024 at 07:14:22PM +0100, Konrad Dybcio wrote:
> On 11.12.2024 9:26 AM, Song Xue wrote:
> > From: Krishna Kurapati <krishna.kurapati@xxxxxxxxxxxxxxxx>
> >
> > Enable secondary USB controller on QCS615 Ride platform. The secondary
> > USB controller is made "host", as it is a Type-A port.
> >
> > Signed-off-by: Krishna Kurapati <krishna.kurapati@xxxxxxxxxxxxxxxx>
> > Co-developed-by: Song Xue <quic_songxue@xxxxxxxxxxx>
> > Signed-off-by: Song Xue <quic_songxue@xxxxxxxxxxx>
> > ---
> > arch/arm64/boot/dts/qcom/qcs615-ride.dts | 28 ++++++++++++++++++++++++++++
> > 1 file changed, 28 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/qcs615-ride.dts b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
> > index f41319ff47b983d771da52775fa78b4385c4e532..26ce0496d13ccbfea392c6d50d9edcab85fbc653 100644
> > --- a/arch/arm64/boot/dts/qcom/qcs615-ride.dts
> > +++ b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
> > @@ -203,6 +203,15 @@ &gcc {
> > <&sleep_clk>;
> > };
> >
> > +&pm8150_gpios {
> > + usb2_en_state: usb2-en-state {
> > + pins = "gpio10";
> > + function = "normal";
> > + output-high;
> > + power-source = <0>;
> > + };
>
> Does this go to an enable pin of a vreg / switch?
>
> I think we settled on describing such cases as fixed regulators
> (that are always-on for now) - would you remember, +Dmitry?
You are right. Usually it's a fixed regulator. At least there should be
an explanation for that pin.
>
> The rest looks good.
>
> Konrad
--
With best wishes
Dmitry