diff mbox series

[v2,3/4] arm64: dts: qcom: x1e80100-qcp: enable pcie3 x8 slot for X1E80100-QCP

Message ID 20250425092955.4099677-4-quic_wenbyao@quicinc.com
State New
Headers show
Series arm64: qcom: x1e80100-qcp: Add power supply and sideband signals for PCIe RC | expand

Commit Message

Wenbin Yao April 25, 2025, 9:29 a.m. UTC 
From: Qiang Yu <quic_qianyu@quicinc.com>

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 <quic_qianyu@quicinc.com>
Signed-off-by: Wenbin Yao <quic_wenbyao@quicinc.com>
---
 arch/arm64/boot/dts/qcom/x1e80100-qcp.dts | 118 ++++++++++++++++++++++
 1 file changed, 118 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
index 470c4f826..88dfd2199 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
@@ -318,6 +318,48 @@  vreg_wcn_3p3: regulator-wcn-3p3 {
 		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-names = "default";
+		pinctrl-0 = <&pcie_x8_12v>;
+	};
+
+	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-names = "default";
+		pinctrl-0 = <&pm_sde7_aux_3p3_en>;
+	};
+
+	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-names = "default";
+		pinctrl-0 = <&pm_sde7_main_3p3_en>;
+};
+
 	usb-1-ss0-sbu-mux {
 		compatible = "onnn,fsusb42", "gpio-sbu-mux";
 
@@ -909,6 +951,59 @@  &mdss_dp3_phy {
 	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";
+};
+
+&pcie3port {
+	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>;
@@ -1120,6 +1215,29 @@  nvme_reg_en: nvme-reg-en-state {
 		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";