rockchip: Setup dwc3_device (for non-dm gadgets)

Setup dwc3_device structure for non-dm gadgets, which is used
in rk3399 platforms.

dwc3_device would have basic regbase, dr_mode, high speed
and 16-bit UTMI+ etc.

Cc: Marek Vasut <marex@denx.de>
Tested-by: NLevin Du <djw@t-chip.com.cn>
Signed-off-by: NJagan Teki <jagan@amarulasolutions.com>
Reviewed-by: NKever Yang <kever.yang@rock-chips.com>
(Fix to use CONFIG_USB_DWC3_GADGET instead of CONFIG_USB_DWC3)
Signed-off-by: NKever Yang <kever.yang@rock-chips.com>

arch/arm/mach-rockchip/board.c

@@ -49,8 +49,10 @@ void enable_caches(void)
 }
 #endif
 
-#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
+#if defined(CONFIG_USB_GADGET)
 #include <usb.h>
+
+#if defined(CONFIG_USB_GADGET_DWC2_OTG)
 #include <usb/dwc2_udc.h>
 
 static struct dwc2_plat_otg_data otg_data = {
@@ -117,7 +119,33 @@ int board_usb_cleanup(int index, enum usb_init_type init)
 {
 	return 0;
 }
-#endif
+#endif /* CONFIG_USB_GADGET_DWC2_OTG */
+
+#if defined(CONFIG_USB_DWC3_GADGET) && !defined(CONFIG_DM_USB_GADGET)
+#include <dwc3-uboot.h>
+
+static struct dwc3_device dwc3_device_data = {
+	.maximum_speed = USB_SPEED_HIGH,
+	.base = 0xfe800000,
+	.dr_mode = USB_DR_MODE_PERIPHERAL,
+	.index = 0,
+	.dis_u2_susphy_quirk = 1,
+	.hsphy_mode = USBPHY_INTERFACE_MODE_UTMIW,
+};
+
+int usb_gadget_handle_interrupts(void)
+{
+	dwc3_uboot_handle_interrupt(0);
+	return 0;
+}
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+	return dwc3_uboot_init(&dwc3_device_data);
+}
+#endif /* CONFIG_USB_DWC3_GADGET */
+
+#endif /* CONFIG_USB_GADGET */
 
 #if CONFIG_IS_ENABLED(FASTBOOT)
 int fastboot_set_reboot_flag(void)