[PATCH v4 07/14] arm64: dts: qcom: lemans-evk: Enable PCIe support
From: Wasim Nazir <hidden>
Date: 2025-09-08 08:20:47
Also in:
linux-arm-msm, linux-devicetree, linux-i2c, linux-mmc, lkml
Subsystem:
arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers:
Bjorn Andersson, Konrad Dybcio, Linus Torvalds
From: Sushrut Shree Trivedi <redacted> Enable PCIe0 and PCIe1 along with the respective phy-nodes. PCIe0 is routed to an m.2 E key connector on the mainboard for wifi attaches while PCIe1 routes to a standard PCIe x4 expansion slot. Signed-off-by: Sushrut Shree Trivedi <redacted> Signed-off-by: Wasim Nazir <redacted> --- arch/arm64/boot/dts/qcom/lemans-evk.dts | 82 +++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/qcom/lemans-evk.dts
index 30c3e5bead07..17ba3ee99494 100644
--- a/arch/arm64/boot/dts/qcom/lemans-evk.dts
+++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts@@ -379,6 +379,40 @@ &mdss0_dp1_phy { status = "okay"; }; +&pcie0 { + perst-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>; + wake-gpios = <&tlmm 0 GPIO_ACTIVE_HIGH>; + + pinctrl-0 = <&pcie0_default_state>; + pinctrl-names = "default"; + + status = "okay"; +}; + +&pcie0_phy { + vdda-phy-supply = <&vreg_l5a>; + vdda-pll-supply = <&vreg_l1c>; + + status = "okay"; +}; + +&pcie1 { + perst-gpios = <&tlmm 4 GPIO_ACTIVE_LOW>; + wake-gpios = <&tlmm 5 GPIO_ACTIVE_HIGH>; + + pinctrl-0 = <&pcie1_default_state>; + pinctrl-names = "default"; + + status = "okay"; +}; + +&pcie1_phy { + vdda-phy-supply = <&vreg_l5a>; + vdda-pll-supply = <&vreg_l1c>; + + status = "okay"; +}; + &qupv3_id_0 { status = "okay"; };
@@ -395,6 +429,54 @@ &sleep_clk { clock-frequency = <32768>; }; +&tlmm { + pcie0_default_state: pcie0-default-state { + clkreq-pins { + pins = "gpio1"; + function = "pcie0_clkreq"; + drive-strength = <2>; + bias-pull-up; + }; + + perst-pins { + pins = "gpio2"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + + wake-pins { + pins = "gpio0"; + function = "gpio"; + drive-strength = <2>; + bias-pull-up; + }; + }; + + pcie1_default_state: pcie1-default-state { + clkreq-pins { + pins = "gpio3"; + function = "pcie1_clkreq"; + drive-strength = <2>; + bias-pull-up; + }; + + perst-pins { + pins = "gpio4"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + + wake-pins { + pins = "gpio5"; + function = "gpio"; + drive-strength = <2>; + bias-pull-up; + }; + }; +}; + &uart10 { compatible = "qcom,geni-debug-uart"; pinctrl-0 = <&qup_uart10_default>;
--
2.51.0