linux-kernel - Re: [PATCH 1/5] dt-bindings: phy: qcom,qmp: Document SM8250 PCIe PHY bindings

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Date:   Thu, 17 Sep 2020 10:02:39 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        agross@...nel.org, kishon@...com, robh@...nel.org,
        svarbanov@...sol.com, bhelgaas@...gle.com,
        lorenzo.pieralisi@....com, linux-arm-msm@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        mgautam@...eaurora.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/5] dt-bindings: phy: qcom,qmp: Document SM8250 PCIe PHY
 bindings

On 16-09-20, 17:45, Bjorn Andersson wrote:
> On Wed 16 Sep 08:19 CDT 2020, Manivannan Sadhasivam wrote:
> 
> > Document the DT bindings of below PCIe PHY versions used on SM8250:
> > 
> > QMP GEN3x1 PHY - 1 lane
> > QMP GEN3x2 PHY - 2 lanes
> > QMP Modem PHY - 2 lanes
> 
> How about something like "Add the three PCIe PHYs found in SM8250 to the
> QMP binding"?

Or add just one compatible sm8250-qmp-pcie and then use number of lanes
as dt property?

> 
> > 
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> > ---
> >  Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml
> > index 185cdea9cf81..69b67f79075c 100644
> > --- a/Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml
> > +++ b/Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml
> > @@ -31,6 +31,9 @@ properties:
> >        - qcom,sdm845-qmp-usb3-uni-phy
> >        - qcom,sm8150-qmp-ufs-phy
> >        - qcom,sm8250-qmp-ufs-phy
> > +      - qcom,qcom,sm8250-qmp-gen3x1-pcie-phy
> > +      - qcom,qcom,sm8250-qmp-gen3x2-pcie-phy
> > +      - qcom,qcom,sm8250-qmp-modem-pcie-phy
> 
> One "qcom," should be enough.
> 
> >  
> >    reg:
> >      items:
> > @@ -259,6 +262,8 @@ allOf:
> >              enum:
> >                - qcom,sdm845-qhp-pcie-phy
> >                - qcom,sdm845-qmp-pcie-phy
> > +              - qcom,sm8250-qhp-pcie-phy
> > +              - qcom,sm8250-qmp-pcie-phy
> 
> Adjust these.
> 
> Regards,
> Bjorn
> 
> >      then:
> >        properties:
> >          clocks:
> > -- 
> > 2.17.1
> > 

-- 
~Vinod