linux-kernel - [PATCH v2 20/24] arm64: dts: qcom: glymur-crd: Add power supply and sideband signal for pcie5

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Message-Id: <20250925-v3_glymur_introduction-v2-20-8e1533a58d2d@oss.qualcomm.com>
Date: Thu, 25 Sep 2025 11:58:26 +0530
From: Pankaj Patil <pankaj.patil@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Pankaj Patil <pankaj.patil@....qualcomm.com>,
        Qiang Yu <qiang.yu@....qualcomm.com>
Subject: [PATCH v2 20/24] arm64: dts: qcom: glymur-crd: Add power supply
 and sideband signal for pcie5

From: Qiang Yu <qiang.yu@....qualcomm.com>

Add perst, wake and clkreq sideband signals and required regulators in
PCIe5 controller and PHY device tree node.

Signed-off-by: Qiang Yu <qiang.yu@....qualcomm.com>
Signed-off-by: Pankaj Patil <pankaj.patil@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/glymur-crd.dts | 68 +++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/glymur-crd.dts b/arch/arm64/boot/dts/qcom/glymur-crd.dts
index 3f94bdf8b3ccfdff182005d67b8b3f84f956a430..03aacdb1dd7e2354fe31e63183519e53fa022829 100644
--- a/arch/arm64/boot/dts/qcom/glymur-crd.dts
+++ b/arch/arm64/boot/dts/qcom/glymur-crd.dts
@@ -107,6 +107,20 @@ port@1 {
 			};
 		};
 	};
+
+	vreg_nvme: regulator-nvme {
+		compatible = "regulator-fixed";
+
+		regulator-name = "VREG_NVME_3P3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&pmh0101_gpios 14 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-0 = <&nvme_reg_en>;
+		pinctrl-names = "default";
+	};
 };
 
 &tlmm {
@@ -461,3 +475,57 @@ vreg_l4h_e0_1p2: ldo4 {
 &pmk8850_rtc {
 	no-alarm;
 };
+
+&pmh0101_gpios {
+	nvme_reg_en: nvme-reg-en-state {
+		pins = "gpio14";
+		function = "normal";
+		bias-disable;
+	};
+};
+
+&tlmm {
+	pcie5_default: pcie5-default-state {
+		clkreq-n-pins {
+			pins = "gpio153";
+			function = "pcie5_clk_req_n";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+
+		perst-n-pins {
+			pins = "gpio152";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-disable;
+		};
+
+		wake-n-pins {
+			pins = "gpio154";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+};
+
+&pcie5 {
+	vddpe-3v3-supply = <&vreg_nvme>;
+
+	pinctrl-0 = <&pcie5_default>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
+&pcie5_phy {
+	vdda-phy-supply = <&vreg_l2f_e0_0p82>;
+	vdda-pll-supply = <&vreg_l4h_e0_1p2>;
+
+	status = "okay";
+};
+
+&pcie5port0 {
+	perst-gpios = <&tlmm 152 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 154 GPIO_ACTIVE_LOW>;
+};

-- 
2.34.1