The meaning of UOK_B signal connecting the i.MX6Q.

[keitanagashima]

Dear Sir or Madam,

Hello.

Refer to i.MX6Q SABRE-SDP schematic (P.11).

Do you know what meaning of UOK_B signal from U13?

The signal connect to ENET_RXD0(GPIO1_IO27).

I'd like to know that "When i.MX6 receive this UOK_B signal, what processing does i.MX6 do?"

Best Regards,

Keita

[igorpadykov · Accepted solution]

Hi Keita

when i.MX6 receives UOK_B signal, then Linux

USB Charger Detection driver registers that valid input is detected at

MAX8903 USB. Refer to attached Linux Manual p.238

Best regards

igor

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