Re: [PATCH RFC v3 3/5] arm64: dts: qcom: nord-ride-embedded: Enable PCIe controllers and PHY

[Shawn Guo]

On Sat, Oct 31, 2026 at 03:50:09PM +0530, Krishna Chaitanya Chundru wrote:
> 
> 
> On 10/21/2026 7:59 AM, Shawn Guo wrote:
> > From: Krishna Chaitanya Chundru <krishna.chundru@xxxxxxxxxxxxxxxx>
> >
> > The Nord Ride Embedded board routes all four PCIe links, so enable
> > pcie0-pcie3 and the QMP PHY, supply the per-port PHY and PLL rails, and
> > describe the PERST# and WAKE# lines of each root port.
> >
> > Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@xxxxxxxxxxxxxxxx>
> > Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
> > Reviewed-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>
> > Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxxxxxxxx>
> > Signed-off-by: Shawn Guo <shengchao.guo@xxxxxxxxxxxxxxxx>
> > ---
> >  .../boot/dts/qcom/nord-ride-embedded.dts      | 49 +++++++++++++++++++
> >  1 file changed, 49 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/nord-ride-embedded.dts b/arch/arm64/boot/dts/qcom/nord-ride-embedded.dts
> > index 49635695f832..fcc07226db8b 100644
> > --- a/arch/arm64/boot/dts/qcom/nord-ride-embedded.dts
> > +++ b/arch/arm64/boot/dts/qcom/nord-ride-embedded.dts
> > @@ -366,6 +366,55 @@ vreg_l3l_1p8: ldo3 {
> >  	};
> >  };
> >  
> > +&pcie_phy {
> > +	vdda-phy-a-supply = <&vreg_l6a_1p2>;
> > +	vdda-phy-b-supply = <&vreg_l4a_1p2>;
> > +	vdda-phy-c-supply = <&vreg_l4a_1p2>;
> > +	vdda-phy-d-supply = <&vreg_l4a_1p2>;
> > +	vdda-pll-a-supply = <&vreg_l1e_0p9>;
> Hi Shawn,
> 
> I did a mistake while sharing these changes, pll supply for b, c, d should be
> l2e instead of l1e.
> -    vdda-pll-b-supply = <&vreg_l1e_0p9>;
> -    vdda-pll-c-supply = <&vreg_l1e_0p9>;
> -    vdda-pll-d-supply = <&vreg_l1e_0p9>;
> +    vdda-pll-b-supply = <&vreg_l2e_0p9>;
> +    vdda-pll-c-supply = <&vreg_l2e_0p9>;
> +    vdda-pll-d-supply = <&vreg_l2e_0p9>;
> 
> Can you update them as this patch is not applied yet.

Sure! I checked schematics and RRD board needs the same correction.

Shawn