linux-kernel - Re: [PATCH v2 3/4] arm64: dts: qcom: x1e80100-qcp: enable pcie3 x8 slot for X1E80100-QCP

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Message-ID: <e8db59ab-9832-4d48-af53-8586ce828c1e@oss.qualcomm.com>
Date: Fri, 25 Apr 2025 12:09:56 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Wenbin Yao <quic_wenbyao@...cinc.com>, catalin.marinas@....com,
        will@...nel.org, linux-arm-kernel@...ts.infradead.org,
        andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: krishna.chundru@....qualcomm.com, quic_vbadigan@...cinc.com,
        quic_mrana@...cinc.com, quic_cang@...cinc.com, quic_qianyu@...cinc.com
Subject: Re: [PATCH v2 3/4] arm64: dts: qcom: x1e80100-qcp: enable pcie3 x8
 slot for X1E80100-QCP

On 4/25/25 11:29 AM, Wenbin Yao wrote:
> From: Qiang Yu <quic_qianyu@...cinc.com>
> 
> Add perst, wake and clkreq sideband signals and required regulators in
> PCIe3 controller and PHY device tree node. Describe the voltage rails of
> the x8 PCI slots for PCIe3 port.
> 
> Signed-off-by: Qiang Yu <quic_qianyu@...cinc.com>
> Signed-off-by: Wenbin Yao <quic_wenbyao@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/x1e80100-qcp.dts | 118 ++++++++++++++++++++++
>  1 file changed, 118 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
> index 470c4f826..88dfd2199 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
> @@ -318,6 +318,48 @@ vreg_wcn_3p3: regulator-wcn-3p3 {
>  		regulator-boot-on;
>  	};
>  
> +	vreg_pcie_12v: regulator-pcie-12v {
> +		compatible = "regulator-fixed";
> +
> +		regulator-name = "VREG_PCIE_12V";
> +		regulator-min-microvolt = <12000000>;
> +		regulator-max-microvolt = <12000000>;
> +
> +		gpio = <&pm8550ve_8_gpios 8 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pcie_x8_12v>;

Please keep the 

property-n
property-names

order

throughout the patch

with that:

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad