diff options
Diffstat (limited to 'drivers/usb/dwc2/drd.c')
| -rw-r--r-- | drivers/usb/dwc2/drd.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/drd.c b/drivers/usb/dwc2/drd.c index aa6eb76f64dd..4f453ecdd8d6 100644 --- a/drivers/usb/dwc2/drd.c +++ b/drivers/usb/dwc2/drd.c @@ -24,6 +24,10 @@ static void dwc2_ovr_init(struct dwc2_hsotg *hsotg) gotgctl |= GOTGCTL_BVALOEN | GOTGCTL_AVALOEN | GOTGCTL_VBVALOEN; gotgctl |= GOTGCTL_DBNCE_FLTR_BYPASS; gotgctl &= ~(GOTGCTL_BVALOVAL | GOTGCTL_AVALOVAL | GOTGCTL_VBVALOVAL); + if (hsotg->role_sw_default_mode == USB_DR_MODE_HOST) + gotgctl |= GOTGCTL_AVALOVAL | GOTGCTL_VBVALOVAL; + else if (hsotg->role_sw_default_mode == USB_DR_MODE_PERIPHERAL) + gotgctl |= GOTGCTL_BVALOVAL | GOTGCTL_VBVALOVAL; dwc2_writel(hsotg, gotgctl, GOTGCTL); spin_unlock_irqrestore(&hsotg->lock, flags); @@ -105,6 +109,14 @@ static int dwc2_drd_role_sw_set(struct usb_role_switch *sw, enum usb_role role) spin_lock_irqsave(&hsotg->lock, flags); + if (role == USB_ROLE_NONE) { + /* default operation mode when usb role is USB_ROLE_NONE */ + if (hsotg->role_sw_default_mode == USB_DR_MODE_HOST) + role = USB_ROLE_HOST; + else if (hsotg->role_sw_default_mode == USB_DR_MODE_PERIPHERAL) + role = USB_ROLE_DEVICE; + } + if (role == USB_ROLE_HOST) { already = dwc2_ovr_avalid(hsotg, true); } else if (role == USB_ROLE_DEVICE) { @@ -146,6 +158,7 @@ int dwc2_drd_init(struct dwc2_hsotg *hsotg) if (!device_property_read_bool(hsotg->dev, "usb-role-switch")) return 0; + hsotg->role_sw_default_mode = usb_get_role_switch_default_mode(hsotg->dev); role_sw_desc.driver_data = hsotg; role_sw_desc.fwnode = dev_fwnode(hsotg->dev); role_sw_desc.set = dwc2_drd_role_sw_set; |