arm64: dts: qcom: ipq5424: Enable PCIe PHYs and controllers

Enable the PCIe controller and PHY nodes corresponding to RDP466.
The IPQ5424 RDP466 does not have a wake gpio because it does not
support low power mode. It only supports a perst gpio.

Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250416122538.2953658-3-quic_mmanikan@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

Author: Manikanta Mylavarapu

arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts

@@ -82,6 +82,32 @@
 	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>;
@@ -197,6 +223,20 @@
 			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 {
@@ -216,4 +256,3 @@
 &xo_board {
 	clock-frequency = <24000000>;
 };
-