Hi, The AM654 SoC supports 2 DWC3 USB controller instances. The AM654 base board supports the 2nd (USB1) instance in high-speed. This series enables support for USB1 instance on the AM654-base-board. To test, you need to first apply the below 2 series. AM654 USB2 PHY support https://lkml.org/lkml/2018/12/5/908 AM654 DWC3 support https://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg1896101.html cheers, -roger Jyri Sarha (1): arm64: dts: ti: am654: Add Main System Control Module node Roger Quadros (2): arm64: dts: ti: k3-am6: add USB support arm64: dts: ti: k3-am654-base-board: enable USB1 arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 88 ++++++++++++++++++++++++++ arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 20 ++++++ 2 files changed, 108 insertions(+) -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki