Re: [PATCH v3 1/2] arm64: dts: qcom: Add support for usb nodes on QCS8300

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On Tue, Nov 12, 2024 at 09:17:49PM +0530, Krishna Kurapati wrote:
> 
> 
> On 11/12/2024 4:34 PM, Konrad Dybcio wrote:
> > 
> > 
> > On 11/5/24 17:49, Krishna Kurapati wrote:
> > > Add support for USB controllers on QCS8300. The second
> > > controller is only High Speed capable.
> > > 
> > > Signed-off-by: Krishna Kurapati <quic_kriskura@xxxxxxxxxxx>
> > > ---
> > 
> > [...]
> > 
> > (the PHYs look good)
> > 
> > > +        usb_1: usb@a6f8800 {
> > > +            compatible = "qcom,qcs8300-dwc3", "qcom,dwc3";
> > > +            reg = <0x0 0x0a6f8800 0x0 0x400>;
> > > +            #address-cells = <2>;
> > > +            #size-cells = <2>;
> > > +            ranges;
> > 
> > Please match the property style with x1e80100.dtsi's dwc3 node
> 
> Meaning adding the 3 properties to before the starting of dwc3 node ?
> 
> > 
> > [...]
> > 
> > > +
> > > +            usb_2_dwc3: usb@a400000 {
> > > +                compatible = "snps,dwc3";
> > > +                reg = <0x0 0x0a400000 0x0 0xe000>;
> > > +                interrupts = <GIC_SPI 442 IRQ_TYPE_LEVEL_HIGH>;
> > > +                iommus = <&apps_smmu 0x20 0x0>;
> > > +                phys = <&usb_2_hsphy>;
> > > +                phy-names = "usb2-phy";
> > > +                snps,dis-u1-entry-quirk;
> > > +                snps,dis-u2-entry-quirk;
> > > +                snps,dis_u2_susphy_quirk;
> > > +                snps,dis_u3_susphy_quirk;
> > > +                snps,dis_enblslpm_quirk;
> > 
> > maximum-speed = "high-speed"
> 
> Ideally this is not needed for the driver to operate. Can I add this
> property when I send the patch to enable second controller on ride platform
> ? Only reason I ask is this is not a blocker and it would need another
> rebase.

I'd say, let's do it straight from the beginning.

-- 
With best wishes
Dmitry




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