i.MX ProcessorsのトピックRe: Bypass USB VBUS detection

Bypass USB VBUS detection

danielenderle — Tue, 22 May 2018 12:31:37 GMT

By design we cannot use OTG_VBUS Pin to detect if imx6 is connected as slave to a host machine.

Is there a way to get USB OTG Slave mode working without using VBUS detection?

We are running Android 6.0.1/Linux 4.1.15.

Re: Bypass USB VBUS detection

igorpadykov — Tue, 22 May 2018 23:32:22 GMT

Hi Daniel

one can try to use similar patch for i.MX28

USB Device not work when VDD5V is not attached during boot (iMX28)

Best regards
igor
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Re: Bypass USB VBUS detection

danielenderle — Wed, 23 May 2018 07:34:05 GMT

Hi Igor

i tried to find similiar source files where i can patch your suggested link but without any success.

Can you lead me to find the destination where i can patch those files for imx6?

Best regards

Daniel

Re: Bypass USB VBUS detection

igorpadykov — Wed, 23 May 2018 10:46:02 GMT

Hi Daniel

may be helpful

I.MX6 : Using USB OTG without dynamic VBUS pin ?

Best regards
igor