[PATCH v1 2/3] arm64: dts: qcom: x1e80100: add bus topology for PCIe domain 3

Bryan O'Donoghue bryan.odonoghue at linaro.org
Thu Mar 20 15:06:31 PDT 2025


On 20/03/2025 05:55, Wenbin Yao wrote:
> From: Qiang Yu <quic_qianyu at quicinc.com>
> 
> Add pcie3port node to represent the PCIe bridge of PCIe3 so that PCI slot
> voltage rails can be described under this node in the board's dts.
> 
> Signed-off-by: Qiang Yu <quic_qianyu at quicinc.com>
> Signed-off-by: Wenbin Yao <quic_wenbyao at quicinc.com>
> ---
>   arch/arm64/boot/dts/qcom/x1e80100.dtsi | 10 ++++++++++
>   1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> index 46b79fce9..32e8d400a 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> @@ -3287,6 +3287,16 @@ opp-128000000 {
>   					opp-peak-kBps = <15753000 1>;
>   				};
>   			};
> +			pcie3port: pcie at 0 { 

Missing newline, please check your dtb checks.


> +				device_type = "pci";
> +				compatible = "pciclass,0604";
> +				reg = <0x0 0x0 0x0 0x0 0x0>;
> +				bus-range = <0x01 0xff>;
> +
> +				#address-cells = <3>;
> +				#size-cells = <2>;
> +				ranges;
> +			};
>   		};

Why is pice3port the only port to be enabled ?

What about the other ports ?
>   		pcie3_phy: phy at 1be0000 {
> --
> 2.34.1
> 
> 

---
bod



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