linux-kernel - [PATCH v4 2/2] arm64: dts: qcom: ipq5424: Enable PCIe PHYs and controllers

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Message-ID: <20250213071912.2930066-3-quic_mmanikan@quicinc.com>
Date: Thu, 13 Feb 2025 12:49:12 +0530
From: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
To: <andersson@...nel.org>, <konradybcio@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: <quic_srichara@...cinc.com>, <quic_varada@...cinc.com>
Subject: [PATCH v4 2/2] 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>
---
Changes in V4:
	- Added a new line before status in pcie2 and pcie3 nodes.
	- Dropped 'output-low' property from pcie2-default-state and
	  pcie3-default-state nodes.

 arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts | 41 ++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
index b6e4bb3328b3..e73f61266012 100644
--- a/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
+++ b/arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts
@@ -53,6 +53,32 @@ &dwc_1 {
 	dr_mode = "host";
 };
 
+&pcie2 {
+	pinctrl-0 = <&pcie2_default_state>;
+	pinctrl-names = "default";
+
+	perst-gpios = <&tlmm 31 GPIO_ACTIVE_LOW>;
+
+	status = "okay";
+};
+
+&pcie2_phy {
+	status = "okay";
+};
+
+&pcie3 {
+	pinctrl-0 = <&pcie3_default_state>;
+	pinctrl-names = "default";
+
+	perst-gpios = <&tlmm 34 GPIO_ACTIVE_LOW>;
+
+	status = "okay";
+};
+
+&pcie3_phy {
+	status = "okay";
+};
+
 &qusb_phy_0 {
 	vdd-supply = <&vreg_misc_0p925>;
 	vdda-pll-supply = <&vreg_misc_1p8>;
@@ -147,6 +173,20 @@ data-pins {
 			bias-pull-up;
 		};
 	};
+
+	pcie2_default_state: pcie2-default-state {
+		pins = "gpio31";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-pull-up;
+	};
+
+	pcie3_default_state: pcie3-default-state {
+		pins = "gpio34";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-pull-up;
+	};
 };
 
 &uart1 {
@@ -166,4 +206,3 @@ &usb3 {
 &xo_board {
 	clock-frequency = <24000000>;
 };
-
-- 
2.34.1