From df758a868dbc90cae98044d52a9d753575f50cfa Mon Sep 17 00:00:00 2001 From: Qiang Yu Date: Tue, 22 Jul 2025 17:11:51 +0800 Subject: [PATCH] arm64: dts: qcom: x1e80100-qcp: enable pcie3 x8 slot for X1E80100-QCP 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 Signed-off-by: Wenbin Yao Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20250722091151.1423332-4-quic_wenbyao@quicinc.com Signed-off-by: Bjorn Andersson --- 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 4dfba835af6a0..71c44e37a44bf 100644 --- a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts +++ b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts @@ -318,6 +318,48 @@ 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-0 = <&pcie_x8_12v>; + pinctrl-names = "default"; + }; + + vreg_pcie_3v3_aux: regulator-pcie-3v3-aux { + compatible = "regulator-fixed"; + + regulator-name = "VREG_PCIE_3P3_AUX"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&pmc8380_3_gpios 8 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 = <&pm_sde7_aux_3p3_en>; + pinctrl-names = "default"; + }; + + vreg_pcie_3v3: regulator-pcie-3v3 { + compatible = "regulator-fixed"; + + regulator-name = "VREG_PCIE_3P3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&pmc8380_3_gpios 6 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-0 = <&pm_sde7_main_3p3_en>; + pinctrl-names = "default"; +}; + usb-1-ss0-sbu-mux { compatible = "onnn,fsusb42", "gpio-sbu-mux"; @@ -908,6 +950,59 @@ status = "okay"; }; +&pm8550ve_8_gpios { + pcie_x8_12v: pcie-12v-default-state { + pins = "gpio8"; + function = "normal"; + output-enable; + output-high; + bias-pull-down; + power-source = <0>; + }; +}; + +&pmc8380_3_gpios { + pm_sde7_aux_3p3_en: pcie-aux-3p3-default-state { + pins = "gpio8"; + function = "normal"; + output-enable; + output-high; + bias-pull-down; + power-source = <0>; + }; + + pm_sde7_main_3p3_en: pcie-main-3p3-default-state { + pins = "gpio6"; + function = "normal"; + output-enable; + output-high; + bias-pull-down; + power-source = <0>; + }; +}; + +&pcie3 { + pinctrl-names = "default"; + pinctrl-0 = <&pcie3_default>; + perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>; + wake-gpios = <&tlmm 145 GPIO_ACTIVE_LOW>; + + status = "okay"; +}; + +&pcie3_phy { + vdda-phy-supply = <&vreg_l3c_0p8>; + vdda-pll-supply = <&vreg_l3e_1p2>; + + status = "okay"; +}; + +&pcie3_port { + vpcie12v-supply = <&vreg_pcie_12v>; + vpcie3v3-supply = <&vreg_pcie_3v3>; + vpcie3v3aux-supply = <&vreg_pcie_3v3_aux>; +}; + &pcie4 { perst-gpios = <&tlmm 146 GPIO_ACTIVE_LOW>; wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>; @@ -1119,6 +1214,29 @@ bias-disable; }; + pcie3_default: pcie3-default-state { + clkreq-n-pins { + pins = "gpio144"; + function = "pcie3_clk"; + drive-strength = <2>; + bias-pull-up; + }; + + perst-n-pins { + pins = "gpio143"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + + wake-n-pins { + pins = "gpio145"; + function = "gpio"; + drive-strength = <2>; + bias-pull-up; + }; + }; + pcie4_default: pcie4-default-state { clkreq-n-pins { pins = "gpio147"; -- 2.47.3