USB3.0 host controller chip which NEC/Renesas uPD720201 doesn't work on jetson nano dev kit

Autonomous Machines Jetson & Embedded Systems Jetson Nano
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1

Jetson nano has found the pcie device, but host-controller and usb-hub doesn’t work.

lspci:

jetson-nano@jetson-nano-desktop:~$ lspci
00:01.0 PCI bridge: NVIDIA Corporation Device 0fae (rev a1)
00:02.0 PCI bridge: NVIDIA Corporation Device 0faf (rev a1)
01:00.0 USB controller: Renesas Technology Corp. uPD720201 USB 3.0 Host Controller (rev 03)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)

lsusb:

jetson-nano@jetson-nano-desktop:~$ lsusb -t
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/4p, 5000M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 5000M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/5p, 480M
|__ Port 2: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 3: Dev 4, If 0, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 3: Dev 4, If 1, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 3: Dev 4, If 2, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 3: Dev 4, If 3, Class=Human Interface Device, Driver=usbhid, 12M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M

2

Not quite understand your question. Why is a pcie device related to usb hub? I am not familiar with your device, could you elaborate the scenario?

4

uPD720201 is a PCIe USB Host Controller IC, and support 4ports USB3.0 for user.

Here is description of uPD720201 : https://www.renesas.com/us/en/products/interface-connectivity/usb-switches-hubs/upd720201-usb-30-host-controller

5

If lspci shows the device, then there is nothing we can do now. You probably need the vendor driver. Please contact with the vendor to get the driver.

6

Is there a way for me to know that the jetpack contains the driver for this device?

7

You can download our kernel source and check file tegra_defconfig. This def config file has all the default drivers.

8

ok. Thanks