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

From: Bryan O'Donoghue
Date: Thu Mar 20 2025 - 18:06:54 EST


On 20/03/2025 05:55, Wenbin Yao wrote:
From: Qiang Yu <quic_qianyu@xxxxxxxxxxx>

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@xxxxxxxxxxx>
Signed-off-by: Wenbin Yao <quic_wenbyao@xxxxxxxxxxx>
---
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@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@1be0000 {
--
2.34.1



---
bod