Hi, the series is adding basic support for this USB hub. The key part is running reset over GPIO line and when i2c is connected it is necessary to send command to boot the hub. This chip is available on Xilinx zcu100/Ultra96 v1 board. Thanks, Michal Piyush Mehta (2): dt-bindings: usb: misc: Add binding for Microchip usb5744 hub usb: misc: usb5744: Add support for USB hub controller .../bindings/usb/microchip,usb5744.yaml | 56 +++++++++ MAINTAINERS | 2 + drivers/usb/misc/Kconfig | 9 ++ drivers/usb/misc/Makefile | 1 + drivers/usb/misc/usb5744.c | 115 ++++++++++++++++++ 5 files changed, 183 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/microchip,usb5744.yaml create mode 100644 drivers/usb/misc/usb5744.c -- 2.30.0