topic Re: USB functionalities on imx8mm in i.MX Processors

USB functionalities on imx8mm

avijitnsec — Wed, 13 Apr 2022 22:44:38 GMT

Hi,

There are 2 USB ports available on the iMX8MM board. One is used for power supply and the other one is to download the binary. I am trying to use one of them for both purposes. Can anyone please guide me?

For information, I am using uuu for downloading the binary.

None of them, I assume is controlled at the u-boot / Linux layer. Does it need any HW change?

Thanks,

Avijit

Re: USB functionalities on imx8mm

Rita_Wang — Tue, 19 Apr 2022 10:36:26 GMT

Only the usb1 can use for the download mode.

Re: USB functionalities on imx8mm

avijitnsec — Mon, 25 Apr 2022 23:18:54 GMT

Can we use usb1 for charging purpose?

Re: USB functionalities on imx8mm

Rita_Wang — Tue, 26 Apr 2022 03:38:37 GMT

No, do not do like that.

Re: USB functionalities on imx8mm

avijitnsec — Thu, 28 Apr 2022 16:10:09 GMT

I am planning to use only one USB for power supply, download and USB mount. I managed to achieve only 2 of them in one port.

My plan is to remove the other USB port in my custom board.

Re: USB functionalities on imx8mm

Rita_Wang — Fri, 29 Apr 2022 07:18:06 GMT

Do not use that design, please follow our reference design.