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

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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
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