1 files changed, 44 insertions, 0 deletions
diff --git a/dts/upstream/src/arm64/ti/k3-am642-hummingboard-t-usb3.dtso b/dts/upstream/src/arm64/ti/k3-am642-hummingboard-t-usb3.dtso
new file mode 100644
index 00000000000..ffcc3bd3c7b
--- /dev/null
+++ b/dts/upstream/src/arm64/ti/k3-am642-hummingboard-t-usb3.dtso
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2023 Josua Mayer <josua@solid-run.com>
+ *
+ * Overlay for SolidRun AM642 HummingBoard-T to enable USB-3.1.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/phy/phy.h>
+
+#include "k3-serdes.h"
+
+&serdes0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	serdes0_link: phy@0 {
+		reg = <0>;
+		cdns,num-lanes = <1>;
+		cdns,phy-type = <PHY_TYPE_USB3>;
+		#phy-cells = <0>;
+		resets = <&serdes_wiz0 1>;
+	};
+};
+
+&serdes_ln_ctrl {
+	idle-states = <AM64_SERDES0_LANE0_USB>;
+};
+
+&serdes_mux {
+	idle-state = <0>;
+};
+
+&usbss0 {
+	/delete-property/ ti,usb2-only;
+};
+
+&usb0 {
+	maximum-speed = "super-speed";
+	phys = <&serdes0_link>;
+	phy-names = "cdns3,usb3-phy";
+};