topic Re: USB error in i.MX Processors

USB error

mohammedazlum — Wed, 01 Oct 2014 14:07:29 GMT

When board is booting [Linux BSP], I'm getting below USB error. Please share your feedback.

usb 2-1.3: device descriptor read/64, error -32

usb 2-1.3: new low speed USB device number 33 using fsl-ehci

usb 2-1.3: device descriptor read/64, error -32

usb 2-1.3: new low speed USB device number 34 using fsl-ehci

usb 2-1.3: device not accepting address 34, error -32

usb 2-1.3: new low speed USB device number 35 using fsl-ehci

usb 2-1.3: device not accepting address 35, error -32

hub 2-1:1.0: unable to enumerate USB device on port 3

Regards,

Azlum

Re: USB error

Yuri — Fri, 03 Oct 2014 05:42:11 GMT

You may try the following, at least, to clarify the issue :

Using external self-powered USB hub .

Check USB design. Please refer to section 3.11 (USB recommendations) of IMX6DQ6SDLHDG

“Hardware Development Guide for i.MX 6Quad, 6Dual, 6DualLite, 6Solo Families …”

http://cache.freescale.com/files/32bit/doc/user_guide/IMX6DQ6SDLHDG.pdf

Have a great day,
Yuri

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Re: USB error

mohammedazlum — Fri, 10 Oct 2014 08:03:38 GMT

Dear Yuri,

Let me try as you suggested.

Regards,

Azlum