linux-kernel - [PATCH v6 4/6] arm64: dts: qcom: qcs8300-ride: enable pcie0 interface

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Message-Id: <20250529035635.4162149-5-quic_ziyuzhan@quicinc.com>
Date: Thu, 29 May 2025 11:56:33 +0800
From: Ziyue Zhang <quic_ziyuzhan@...cinc.com>
To: lpieralisi@...nel.org, kwilczynski@...nel.org,
        manivannan.sadhasivam@...aro.org, robh@...nel.org, bhelgaas@...gle.com,
        krzk+dt@...nel.org, neil.armstrong@...aro.org, abel.vesa@...aro.org,
        kw@...ux.com, conor+dt@...nel.org, vkoul@...nel.org, kishon@...nel.org,
        andersson@...nel.org, konradybcio@...nel.org
Cc: linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_qianyu@...cinc.com,
        quic_krichai@...cinc.com, quic_vbadigan@...cinc.com,
        Ziyue Zhang <quic_ziyuzhan@...cinc.com>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: [PATCH v6 4/6] arm64: dts: qcom: qcs8300-ride: enable pcie0 interface

Add configurations in devicetree for PCIe0, board related gpios,
PMIC regulators, etc for qcs8300-ride board.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Signed-off-by: Ziyue Zhang <quic_ziyuzhan@...cinc.com>
---
 arch/arm64/boot/dts/qcom/qcs8300-ride.dts | 40 +++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
index 3ff8f398cad3..6384d1873415 100644
--- a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
+++ b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
@@ -304,6 +304,23 @@ usb2_en: usb2-en-state {
 	};
 };
 
+&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_l6a>;
+	vdda-pll-supply = <&vreg_l5a>;
+
+	status = "okay";
+};
+
 &qupv3_id_0 {
 	status = "okay";
 };
@@ -329,6 +346,29 @@ &serdes0 {
 };
 
 &tlmm {
+	pcie0_default_state: pcie0-default-state {
+		wake-pins {
+			pins = "gpio0";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+
+		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;
+		};
+	};
+
 	ethernet0_default: ethernet0-default-state {
 		ethernet0_mdc: ethernet0-mdc-pins {
 			pins = "gpio5";
-- 
2.34.1