[PATCH 9/9] arm64: dts: qcom: shikra-(cqm/cqs/iqs)-evk: Enable PCIe PHY node

Konrad Dybcio konrad.dybcio at oss.qualcomm.com
Wed Jul 1 03:36:52 PDT 2026


On 6/30/26 9:02 PM, Sushrut Shree Trivedi wrote:
> Enable the PCIe PHY for the single PCIe intance on the Shikra
> CQS, CQM and the IQS platforms.
> 
> IQS platform uses a different powergrid than CQS/CQM which explain
> the different PHY supplies for IQS variant.
> 
> Signed-off-by: Sushrut Shree Trivedi <sushrut.trivedi at oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts | 7 +++++++
>  arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts | 7 +++++++
>  arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts | 7 +++++++
>  3 files changed, 21 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
> index 683b5245923b..06ad32041546 100644
> --- a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
> +++ b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
> @@ -60,6 +60,13 @@ vreg_pmu_ch1: ldo4 {
>  	};
>  };
>  
> +&pcie_phy {
> +	vdda-phy-supply = <&pm4125_l13>;
> +	vdda-pll-supply = <&pm4125_l9>;
> +
> +	status = "okay";
> +};

I think it makes sense to push the status=okay to the evk file
(because we already describe the PCIe switch there) and only keep
the supplies here (because they differ)

Konrad



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