arm64: dts: qcom: qcs404-evb: Enable PCIe

Enable the PCIe PHY and controller found on the QCS404 EVB.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/qcs404-evb.dtsi

 // SPDX-License-Identifier: GPL-2.0
 // Copyright (c) 2018, Linaro Limited
 
+#include <dt-bindings/gpio/gpio.h>
 #include "qcs404.dtsi"
 #include "pms405.dtsi"
 
@@ -75,6 +76,22 @@ pms405_s3: s3 {
 	};
 };
 
+&pcie {
+	status = "ok";
+
+	perst-gpio = <&tlmm 43 GPIO_ACTIVE_LOW>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&perst_state>;
+};
+
+&pcie_phy {
+	status = "ok";
+
+	vdda-vp-supply = <&vreg_l3_1p05>;
+	vdda-vph-supply = <&vreg_l5_1p8>;
+};
+
 &remoteproc_adsp {
 	status = "ok";
 };
@@ -191,6 +208,15 @@ &sdcc1 {
 };
 
 &tlmm {
+	perst_state: perst {
+		pins = "gpio43";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+		output-low;
+	};
+
 	sdc1_on: sdc1-on {
 		clk {
 			pins = "sdc1_clk";