Name: Nvidia JETSON NANO
Brand: Nvidia
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Platform Adaptation and Bring-Up

Jetson Nano Platform Adaptation and Bring-Up Guide DA_09361-002 | 12

Required Device Tree Changes

This section gives step-by-step guidance for checking schematics and configuring USB

ports in the device tree. All of the examples are based on the design of the Jetson Nano

P3449 carrier board.

For a Host-Only Port

This section uses U27, a USB 3.0 Realtek SuperSpeed on-board hub, as an example of a

host-only port.

Go Through the Schematics

Note:

The P3449 carrier board’s schematic file,

P3449_B01_Concept_schematics.pdf, is included in Jetson Nano

Developer Kit Carrier Board Design Files. Consult your NVIDIA representative

for further information.

Check the USB 3.0 Realtek SuperSpeed hub on the P3449 carrier board and find the pin

names of the wired socket to the P3448.

• USB 2.0 signal pins D+/D- (USB_DP/USB_DM) wire out from U27 and lead to CVM

socket pins 115 (USB1_DN) and 116 (USB1_DP).

• USB 3.0 differential signal pairs (USP_SSTX* and USP_SSRX*) wire out from U27

and lead to CVM socket pins 161 (SBSS_RX_N), 163 (USBSS_RX_P), 166

(USBSS_TX_N), and 168 (USBSS_TX_P).

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