1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2023 Josua Mayer <josua@solid-run.com>
4 *
5 * Overlay for SolidRun AM642 HummingBoard-T to enable USB-3.1.
6 */
7
8 /dts-v1/;
9 /plugin/;
10
11 #include <dt-bindings/phy/phy.h>
12
13 #include "k3-serdes.h"
14
15 &serdes0 {
16 #address-cells = <1>;
17 #size-cells = <0>;
18
19 serdes0_link: phy@0 {
20 reg = <0>;
21 cdns,num-lanes = <1>;
22 cdns,phy-type = <PHY_TYPE_USB3>;
23 #phy-cells = <0>;
24 resets = <&serdes_wiz0 1>;
25 };
26 };
27
28 &serdes_ln_ctrl {
29 idle-states = <AM64_SERDES0_LANE0_USB>;
30 };
31
32 &serdes_mux {
33 idle-state = <0>;
34 };
35
36 &usbss0 {
37 /delete-property/ ti,usb2-only;
38 };
39
40 &usb0 {
41 maximum-speed = "super-speed";
42 phys = <&serdes0_link>;
43 phy-names = "cdns3,usb3-phy";
44 };
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