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diff --git a/arch/arm64/boot/dts/ti/k3-am642-hummingboard-t-pcie.dts b/arch/arm64/boot/dts/ti/k3-am642-hummingboard-t-pcie.dts
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+++ b/arch/arm64/boot/dts/ti/k3-am642-hummingboard-t-pcie.dts
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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2023 Josua Mayer <josua@solid-run.com>
+ *
+ * DTS for SolidRun AM642 HummingBoard-T,
+ * running on Cortex A53, with PCI-E.
+ *
+ */
+
+#include "k3-am642-hummingboard-t.dts"
+
+#include "k3-serdes.h"
+
+/ {
+ model = "SolidRun AM642 HummingBoard-T with PCI-E";
+};
+
+&pcie0_rc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_default_pins>;
+ reset-gpios = <&main_gpio1 15 GPIO_ACTIVE_HIGH>;
+ phys = <&serdes0_link>;
+ phy-names = "pcie-phy";
+ num-lanes = <1>;
+ status = "okay";
+};
+
+&serdes0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ serdes0_link: phy@0 {
+ reg = <0>;
+ cdns,num-lanes = <1>;
+ cdns,phy-type = <PHY_TYPE_PCIE>;
+ #phy-cells = <0>;
+ resets = <&serdes_wiz0 1>;
+ };
+};
+
+&serdes_ln_ctrl {
+ idle-states = <AM64_SERDES0_LANE0_PCIE0>;
+};
+
+&serdes_mux {
+ idle-state = <1>;
+};