【i.MX8QXP USB driver】how to configure USB 3.0 to USB2.0

[jianwei_lan]

Dear friend 

I evaluating i.MX8QXP at i.MX8QXP MEK + yocto L5.4.98_2.3.0.

1) I want to know how to configure USB3.0 to USB2.0?

2) How to check the USB working at USB3.0 or USB2.0 mode?

BR,

[agupta14]

i want to disable usb 3.0 support from usbotg1  , when we connect usbotg3.0 it should not detect and send error as not supported device, it should detect us 2.0 only how can we do this  

[joanxie]

you can refer to the link as below:

https://community.nxp.com/t5/i-MX-Processors/i-MX8qxp-USB-2-0-without-Type-C-without-OTG-without-USB...

[jianwei_lan]

Dear friend

I cannot understand your reply. can you provide more detail?

-------

BR

[joanxie]

do you want to remove type C, then use usb2.0 to download images, right? if yes, you can use OTG1, in current mek board, OTG2 is  intended to be part of the SS3 interface. you can just use OTG1

[jianwei_lan]

Dear friend

i want OTG2 be used as USB2.0.

BR,

your friend

[joanxie]

try to remove "extcon = <&typec_ptn5150> " and try to disable CONFIG_USB_TCPC in the deconfig file:

"https://source.codeaurora.org/external/imx/uboot-imx/tree/configs/imx8qxp_mek_defconfig?h=imx_v2020...."