Dear Peng Fan, In message <db6pr0402mb2760a2a57d48aed93592962488...@db6pr0402mb2760.eurprd04.prod.outlook.com> you wrote: > > > > +static const struct udevice_id ci_udc_otg_ids[] = { > > > + { .compatible = "fsl,imx27-usb-gadget" }, > > > + { } > > > +}; > > > > What is imx27-usb-gadget ? > > This U-Boot specific compatible string. I have no better idea > what we need use here to make DM driver work.
But what is "imx27" ? This is a i.MX8M family platform, right? Not ancient i.MX27 ? Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de "Well I don't see why I have to make one man miserable when I can make so many men happy." - Ellyn Mustard, about marriage