diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/usb/gadget/dwc2_udc_otg.c | 4 |
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index a35a1c7760a..ae624766c10 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -52,6 +52,16 @@ config USB_GADGET_DWC2_OTG driver to operate in Peripheral mode. This option requires USB_GADGET to be enabled. +if USB_GADGET_DWC2_OTG + +config USB_GADGET_DWC2_OTG_PHY_BUS_WIDTH_8 + bool "DesignWare USB2.0 HS OTG controller 8-bit PHY bus width" + help + Set the Designware USB2.0 high-speed OTG controller + PHY interface width to 8 bits, rather than the default (16 bits). + +endif # USB_GADGET_DWC2_OTG + config CI_UDC bool "ChipIdea device controller" select USB_GADGET_DUALSPEED diff --git a/drivers/usb/gadget/dwc2_udc_otg.c b/drivers/usb/gadget/dwc2_udc_otg.c index cb20b00a56b..a23278d957a 100644 --- a/drivers/usb/gadget/dwc2_udc_otg.c +++ b/drivers/usb/gadget/dwc2_udc_otg.c @@ -415,7 +415,11 @@ static void reconfig_usbd(struct dwc2_udc *dev) |0<<7 /* Ulpi DDR sel*/ |0<<6 /* 0: high speed utmi+, 1: full speed serial*/ |0<<4 /* 0: utmi+, 1:ulpi*/ +#ifdef CONFIG_USB_GADGET_DWC2_OTG_PHY_BUS_WIDTH_8 + |0<<3 /* phy i/f 0:8bit, 1:16bit*/ +#else |1<<3 /* phy i/f 0:8bit, 1:16bit*/ +#endif |0x7<<0; /* HS/FS Timeout**/ if (dev->pdata->usb_gusbcfg) |