I am looking into designing a custom Jetson AGX Orin custom carrier board. Looking into the schematics (P3737) I am seeing the utilization of the RTS5420. Is this chip recommended for a custom design? I want to also have access to the 4 USBAs that the Jetson carrier board has.
Would not using this component affect in any way the USB Type C PD Controller and/or the Button Power MCU the carrier board uses, as if they are dependant of it in any way?
Hi,
If you are designing a custom base board, then it means some adaptation configurations are needed.
Otherwise, your board may not work fine.
For Orin AGX series, you could refer to below document
https://docs.nvidia.com/jetson/archives/r36.3/DeveloperGuide/HR/JetsonModuleAdaptationAndBringUp/JetsonAgxOrinSeries.html?highlight=universal%20serial%20bus#jetson-agx-orin-platform-adaptation-and-bring-up
(please be aware that above link is for rel-36.3/jetpack6.0)
This document includes below configuration
- pinmux change & GPIO configuration
- EEPROM change as most custom boards do not have an EEPROM on it.
- Kernel porting
- PCIe configuration
- USB configuration
- MGBE configuration
- RGMII configuration
Thanks!
Thanks for the reply.
Looking into what you have sent, the Jetson Orin is verified for only 3 USB ports, but supposedly can support up to 4. Not counting the two USB-C ports there are only two left. Leaving one for the USB-hub controller (RTS5420) and one more for the M.2 KEY E. Even if I don’t use the M.2 key, I will have only two available. Since I intend to use all 4 I will need the hub.
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