Re: [PATCH v3 1/1] arm64: dts: tqma8mpql: add USB DR support

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On Fri, Oct 14, 2022 at 7:18 AM Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> wrote:
>
> Hello Alexander,
>
> On 05.09.22 09:37, Alexander Stein wrote:
> > +     pinctrl_usb0: usb0grp {
> > +             fsl,pins = <MX8MP_IOMUXC_GPIO1_IO13__USB1_OTG_OC        0x1c0>,
> > +                        <MX8MP_IOMUXC_GPIO1_IO12__USB1_OTG_PWR       0x1c0>;
> > +     };
> > +
> > +     pinctrl_usbcon0: usb0congrp {
> > +             fsl,pins = <MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10         0x1c0>;
> > +     };
>
> I am wondering: You can mux for MX8MP_IOMUXC_GPIO1_IO10__USB1_OTG_ID,
> why did you decide against using the hardware function here?
>

Ahmad,

The IMX8MP USB OTG_ID pins are internally not connected. I can't
recall where this is mentioned but due to this they can not be used to
select host/device mode.

Best Regards,

Tim



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