Re: [PATCH v4 1/9] usb: dwc3: add dual-role support

Peter Chen
2015-09-06T03:14:56Z

On Wed, Sep 02, 2015 at 05:24:16PM +0300, Roger Quadros wrote:
> Register with the USB OTG core. Since we don't support
> OTG yet we just work as a dual-role device even
> if device tree says "otg".
>
> +
> +static int dwc3_drd_init(struct dwc3 *dwc)
> +{
> + int ret, id, vbus;
> + struct usb_otg_caps *otgcaps = &dwc->otg_config.otg_caps;
> +
> + otgcaps->otg_rev = 0;
> + otgcaps->hnp_support = false;
> + otgcaps->srp_support = false;
> + otgcaps->adp_support = false;
> + dwc->otg_config.fsm_ops = &dwc3_drd_ops;
> +
> + if (!dwc->edev) {
> + dev_err(dwc->dev, "No extcon device found for OTG mode\n");
> + return -ENODEV;
> + }
> +

Do All dwc3 platforms id/vbus need to get through extcon? Do the
SoCs have id/vbus pin?

--

Best Regards,
Peter Chen