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authorQiang Yu <qiang.yu@oss.qualcomm.com>2025-07-22 12:11:51 +0300
committerBjorn Andersson <andersson@kernel.org>2025-08-12 00:43:07 +0300
commitdf758a868dbc90cae98044d52a9d753575f50cfa (patch)
tree6d42f4fe102ef0ea970b4f65e4006eca0589d562
parent6facfaff0fe3b4d5903bed6164eb5e60ee6cdb8f (diff)
downloadlinux-df758a868dbc90cae98044d52a9d753575f50cfa.tar.xz
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 <qiang.yu@oss.qualcomm.com> Signed-off-by: Wenbin Yao <quic_wenbyao@quicinc.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Link: https://lore.kernel.org/r/20250722091151.1423332-4-quic_wenbyao@quicinc.com Signed-off-by: Bjorn Andersson <andersson@kernel.org>
-rw-r--r--arch/arm64/boot/dts/qcom/x1e80100-qcp.dts118
1 files changed, 118 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
index 4dfba835af6a..71c44e37a44b 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";