* [PATCH 1/1] riscv: dts: spacemit: enable PCIe on OrangePi R2S
@ 2026-06-02 10:00 Chukun Pan
2026-07-23 6:40 ` Chukun Pan
2026-07-25 20:48 ` Yixun Lan
0 siblings, 2 replies; 3+ messages in thread
From: Chukun Pan @ 2026-06-02 10:00 UTC (permalink / raw)
To: Yixun Lan
Cc: Rob Herring, Paul Walmsley, Alexandre Ghiti, Albert Ou,
Palmer Dabbelt, Conor Dooley, Krzysztof Kozlowski, linux-riscv,
linux-kernel, devicetree, spacemit, Chukun Pan
Enable the two RTL8125 network controllers and corresponding
PHYs connected via the PCIe controllers on the OrangePi R2S.
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
---
Current PCIe drivers can only negotiate down to Gen.1,
so the RTL8125 cannot reach speeds above 2Gbps.
---
.../boot/dts/spacemit/k1-orangepi-r2s.dts | 38 +++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
index b13a8d6a2670..919e5b451109 100644
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
@@ -23,6 +23,14 @@ chosen {
stdout-path = "serial0";
};
+ pcie_vcc3v3: regulator-pcie-vcc3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "pcie_vcc3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
vcc4v0: regulator-vcc4v0 {
compatible = "regulator-fixed";
regulator-name = "vcc4v0";
@@ -228,6 +236,36 @@ dldo7 {
};
};
+&pcie1_phy {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie1_3_cfg>;
+ status = "okay";
+};
+
+&pcie1_port {
+ phys = <&pcie1_phy>;
+ vpcie3v3-supply = <&pcie_vcc3v3>;
+};
+
+&pcie1 {
+ status = "okay";
+};
+
+&pcie2_phy {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie2_4_cfg>;
+ status = "okay";
+};
+
+&pcie2_port {
+ phys = <&pcie2_phy>;
+ vpcie3v3-supply = <&pcie_vcc3v3>;
+};
+
+&pcie2 {
+ status = "okay";
+};
+
&pdma {
status = "okay";
};
--
2.34.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 1/1] riscv: dts: spacemit: enable PCIe on OrangePi R2S
2026-06-02 10:00 [PATCH 1/1] riscv: dts: spacemit: enable PCIe on OrangePi R2S Chukun Pan
@ 2026-07-23 6:40 ` Chukun Pan
2026-07-25 20:48 ` Yixun Lan
1 sibling, 0 replies; 3+ messages in thread
From: Chukun Pan @ 2026-07-23 6:40 UTC (permalink / raw)
To: amadeus
Cc: alex, aou, conor+dt, devicetree, dlan, krzk+dt, linux-kernel,
linux-riscv, palmer, pjw, robh, spacemit
Hi,
> Enable the two RTL8125 network controllers and corresponding
> PHYs connected via the PCIe controllers on the OrangePi R2S.
friendly ping
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH 1/1] riscv: dts: spacemit: enable PCIe on OrangePi R2S
2026-06-02 10:00 [PATCH 1/1] riscv: dts: spacemit: enable PCIe on OrangePi R2S Chukun Pan
2026-07-23 6:40 ` Chukun Pan
@ 2026-07-25 20:48 ` Yixun Lan
1 sibling, 0 replies; 3+ messages in thread
From: Yixun Lan @ 2026-07-25 20:48 UTC (permalink / raw)
To: Chukun Pan
Cc: Rob Herring, Paul Walmsley, Alexandre Ghiti, Albert Ou,
Palmer Dabbelt, Conor Dooley, Krzysztof Kozlowski, linux-riscv,
linux-kernel, devicetree, spacemit
Hi Chukun,
On 18:00 Tue 02 Jun , Chukun Pan wrote:
> Enable the two RTL8125 network controllers and corresponding
> PHYs connected via the PCIe controllers on the OrangePi R2S.
>
> Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Sorry for missing this one, and thanks
Reviewed-by: Yixun Lan <dlan@kernel.org>
--
Yixun Lan (dlan)
^ permalink raw reply [flat|nested] 3+ messages in thread
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2026-06-02 10:00 [PATCH 1/1] riscv: dts: spacemit: enable PCIe on OrangePi R2S Chukun Pan
2026-07-23 6:40 ` Chukun Pan
2026-07-25 20:48 ` Yixun Lan
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