diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/dwc2.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c index 567322013f..0c4adafee2 100644 --- a/drivers/usb/host/dwc2.c +++ b/drivers/usb/host/dwc2.c @@ -18,6 +18,8 @@ #include "dwc2.h" +DECLARE_GLOBAL_DATA_PTR; + /* Use only HC channel 0. */ #define DWC2_HC_CHANNEL 0 @@ -40,6 +42,7 @@ struct dwc2_priv { struct dwc2_core_regs *regs; int root_hub_devnum; bool ext_vbus; + bool oc_disable; }; #ifndef CONFIG_DM_USB @@ -265,9 +268,11 @@ static void dwc_otg_core_init(struct dwc2_priv *priv) /* Program the ULPI External VBUS bit if needed */ if (priv->ext_vbus) { - usbcfg |= (DWC2_GUSBCFG_ULPI_EXT_VBUS_DRV | - DWC2_GUSBCFG_ULPI_INT_VBUS_INDICATOR | - DWC2_GUSBCFG_INDICATOR_PASSTHROUGH); + usbcfg |= DWC2_GUSBCFG_ULPI_EXT_VBUS_DRV; + if (!priv->oc_disable) { + usbcfg |= DWC2_GUSBCFG_ULPI_INT_VBUS_INDICATOR | + DWC2_GUSBCFG_INDICATOR_PASSTHROUGH; + } } else { usbcfg &= ~DWC2_GUSBCFG_ULPI_EXT_VBUS_DRV; } @@ -1177,6 +1182,7 @@ static int dwc2_submit_int_msg(struct udevice *dev, struct usb_device *udev, static int dwc2_usb_ofdata_to_platdata(struct udevice *dev) { struct dwc2_priv *priv = dev_get_priv(dev); + const void *prop; fdt_addr_t addr; addr = dev_get_addr(dev); @@ -1184,6 +1190,11 @@ static int dwc2_usb_ofdata_to_platdata(struct udevice *dev) return -EINVAL; priv->regs = (struct dwc2_core_regs *)addr; + prop = fdt_getprop(gd->fdt_blob, dev->of_offset, "disable-over-current", + NULL); + if (prop) + priv->oc_disable = true; + return 0; } |