[PATCH 2/2] arm64: dts: qcom: ipq9650-rdp488: enable PCIe support

From: Kathiravan Thirumoorthy

Date: Tue Jul 14 2026 - 00:31:01 EST


Enable the three dual-lane PCIe controllers supported on RDP488.

Reviewed-by: Manivannan Sadhasivam <mani@xxxxxxxxxx>
Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/ipq9650-rdp488.dts | 119 ++++++++++++++++++++++++++++
1 file changed, 119 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq9650-rdp488.dts b/arch/arm64/boot/dts/qcom/ipq9650-rdp488.dts
index 6871f3dc4eaf..f6411a55c81e 100644
--- a/arch/arm64/boot/dts/qcom/ipq9650-rdp488.dts
+++ b/arch/arm64/boot/dts/qcom/ipq9650-rdp488.dts
@@ -5,6 +5,8 @@

/dts-v1/;

+#include <dt-bindings/gpio/gpio.h>
+
#include "ipq9650.dtsi"

/ {
@@ -20,6 +22,54 @@ chosen {
};
};

+&pcie1 {
+ pinctrl-0 = <&pcie1_default_state>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+&pcie1_phy {
+ status = "okay";
+};
+
+&pcie1_port0 {
+ reset-gpios = <&tlmm 28 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&tlmm 29 GPIO_ACTIVE_LOW>;
+};
+
+&pcie2 {
+ pinctrl-0 = <&pcie2_default_state>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+&pcie2_phy {
+ status = "okay";
+};
+
+&pcie2_port0 {
+ reset-gpios = <&tlmm 52 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&tlmm 53 GPIO_ACTIVE_LOW>;
+};
+
+&pcie3 {
+ pinctrl-0 = <&pcie3_default_state>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+&pcie3_phy {
+ status = "okay";
+};
+
+&pcie3_port0 {
+ reset-gpios = <&tlmm 41 GPIO_ACTIVE_LOW>;
+ wake-gpios = <&tlmm 42 GPIO_ACTIVE_LOW>;
+};
+
&sdhc {
max-frequency = <192000000>;
bus-width = <4>;
@@ -36,6 +86,75 @@ &sleep_clk {
};

&tlmm {
+ pcie1_default_state: pcie1-default-state {
+ clkreq-n-pins {
+ pins = "gpio27";
+ function = "pcie1_clk_req_n";
+ drive-strength = <8>;
+ bias-pull-up;
+ };
+
+ perst-n-pins {
+ pins = "gpio28";
+ function = "gpio";
+ drive-strength = <8>;
+ bias-pull-down;
+ };
+
+ wake-n-pins {
+ pins = "gpio29";
+ function = "pcie1_wake";
+ drive-strength = <8>;
+ bias-pull-up;
+ };
+ };
+
+ pcie2_default_state: pcie2-default-state {
+ clkreq-n-pins {
+ pins = "gpio51";
+ function = "pcie2_clk_req_n";
+ drive-strength = <8>;
+ bias-pull-up;
+ };
+
+ perst-n-pins {
+ pins = "gpio52";
+ function = "gpio";
+ drive-strength = <8>;
+ bias-pull-down;
+ };
+
+ wake-n-pins {
+ pins = "gpio53";
+ function = "pcie2_wake";
+ drive-strength = <8>;
+ bias-pull-up;
+ };
+ };
+
+ pcie3_default_state: pcie3-default-state {
+ clkreq-n-pins {
+ pins = "gpio40";
+ function = "pcie3_clk_req_n";
+ drive-strength = <8>;
+ bias-pull-up;
+ };
+
+ perst-n-pins {
+ pins = "gpio41";
+ function = "gpio";
+ drive-strength = <8>;
+ bias-pull-down;
+ };
+
+ wake-n-pins {
+ pins = "gpio42";
+ function = "pcie3_wake";
+ drive-strength = <8>;
+ bias-pull-up;
+ };
+ };
+
qup_uart1_default_state: qup-uart1-default-state {
pins = "gpio43", "gpio44";
function = "qup_se6";

--
2.34.1