linux-kernel - [PATCH 4/4] arm64: dts: qcom: ipq5424: Enable PCIe PHYs and controllers

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Message-ID: <20241213134950.234946-5-quic_mmanikan@quicinc.com>
Date: Fri, 13 Dec 2024 19:19:50 +0530
From: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
To: <bhelgaas@...gle.com>, <lpieralisi@...nel.org>, <kw@...ux.com>,
        <manivannan.sadhasivam@...aro.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <vkoul@...nel.org>,
        <kishon@...nel.org>, <andersson@...nel.org>, <konradybcio@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-pci@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>
CC: <quic_srichara@...cinc.com>, <quic_varada@...cinc.com>
Subject: [PATCH 4/4] arm64: dts: qcom: ipq5424: Enable PCIe PHYs and controllers

Enable the PCIe controller and PHY nodes corresponding to RDP466.

Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
---
 arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts | 43 +++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
index d4d31026a026..8857b64df1be 100644
--- a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
+++ b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
@@ -45,6 +45,26 @@ data-pins {
 			bias-pull-up;
 		};
 	};
+
+	pcie2_default_state: pcie2-default-state {
+		perst-n-pins {
+			pins = "gpio31";
+			function = "gpio";
+			drive-strength = <8>;
+			bias-pull-up;
+			output-low;
+		};
+	};
+
+	pcie3_default_state: pcie3-default-state {
+		perst-n-pins {
+			pins = "gpio34";
+			function = "gpio";
+			drive-strength = <8>;
+			bias-pull-up;
+			output-low;
+		};
+	};
 };
 
 &uart1 {
@@ -57,3 +77,26 @@ &xo_board {
 	clock-frequency = <24000000>;
 };
 
+&pcie2_phy {
+	status = "okay";
+};
+
+&pcie2 {
+	pinctrl-0 = <&pcie2_default_state>;
+	pinctrl-names = "default";
+
+	perst-gpios = <&tlmm 31 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&pcie3_phy {
+	status = "okay";
+};
+
+&pcie3 {
+	pinctrl-0 = <&pcie3_default_state>;
+	pinctrl-names = "default";
+
+	perst-gpios = <&tlmm 34 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
-- 
2.34.1