linux-kernel - Re: [PATCH 2/3] arm64: dts: qcom: x1e80100-crd: Add pmic-glink node with all 3 connectors

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Date: Mon, 3 Jun 2024 11:49:51 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Johan Hovold <johan@...nel.org>
Cc: Abel Vesa <abel.vesa@...aro.org>, Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] arm64: dts: qcom: x1e80100-crd: Add pmic-glink node
 with all 3 connectors

On Mon, 3 Jun 2024 at 11:48, Johan Hovold <johan@...nel.org> wrote:
>
> On Mon, May 27, 2024 at 11:07:28AM +0300, Abel Vesa wrote:
> > Add the pmic-glink node and describe all 3 USB Type-C connectors. Do this
> > for USB only, for now. The DP port will come at a later stage since it
> > uses a retimer.
> >
> > Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> > ---
> >  arch/arm64/boot/dts/qcom/x1e80100-crd.dts | 143 ++++++++++++++++++++++++++++++
> >  1 file changed, 143 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> > index c5c2895b37c7..2fcc994cbb89 100644
> > --- a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> > +++ b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> > @@ -49,6 +49,101 @@ chosen {
> >               stdout-path = "serial0:115200n8";
> >       };
> >
> > +     pmic-glink {
> > +             compatible = "qcom,x1e80100-pmic-glink",
> > +                          "qcom,sm8550-pmic-glink",
> > +                          "qcom,pmic-glink";
> > +             #address-cells = <1>;
> > +             #size-cells = <0>;
> > +             orientation-gpios = <&tlmm 121 GPIO_ACTIVE_HIGH>,
> > +                                 <&tlmm 123 GPIO_ACTIVE_HIGH>,
> > +                                 <&tlmm 125 GPIO_ACTIVE_HIGH>;
>
> With this series applied, I'm getting the following error on boot of the
> CRD:
>
>         ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: PPM init failed, stop trying
>
> Known issue? Do you need to enable some quirk in the UCSI driver?

Not that I know. The message is caused by the UCSI not responding to
the PPM_RESET command. A trace from pmic-glink would be helpful.

-- 
With best wishes
Dmitry