[i.MX6] How to set the max USB link rate to USB 1.0 (1.5Mbps) on Yocto 2.1?

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[i.MX6] How to set the max USB link rate to USB 1.0 (1.5Mbps) on Yocto 2.1?

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charleshuang
Senior Contributor II

Can I set the max USB link rate to USB 1.0 (1.5Mbps) in the USB 2.0 host controller port?
If I can set, can you tell me how to modify source code on Yocto 2.1?

Thank you.

Best Regards,

Alex

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299 次查看
igorpadykov
NXP Employee
NXP Employee

Hi charles

speed selection is described in sect.7.1.5.1 Low-/Full-speed Device Speed Identification

USB 1/2 specification found on usb.org, it is handled in hardware and seems there is no way to

change it in software.

Best regards
igor
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