usb: add MediaTek USB3 DRD driver
This patch adds support for the MediaTek USB3 DRD controller,
its host side is based on xHCI, this driver supports device mode
and host mode.
Acked-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/usb/mtu3/Kconfig b/drivers/usb/mtu3/Kconfig
new file mode 100644
index 0000000..a2a5991
--- /dev/null
+++ b/drivers/usb/mtu3/Kconfig
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# For MTK USB3.0 IP
+
+config USB_MTU3
+ bool "MediaTek USB3 Dual Role controller"
+ depends on USB_HOST || USB_GADGET
+ depends on ARCH_MEDIATEK
+ help
+ Say Y here if your system runs on MediaTek SoCs with
+ Dual Role SuperSpeed USB controller. You can select usb
+ mode as peripheral role or host role.
+
+ If you don't know what this is, please say N.
+
+if USB_MTU3
+choice
+ bool "MTU3 Mode Selection"
+ default USB_MTU3_GADGET if USB_GADGET
+ default USB_MTU3_HOST if (USB_HOST && !USB_GADGET)
+
+config USB_MTU3_HOST
+ bool "Host only mode"
+ depends on USB_XHCI_HCD
+ help
+ Select this when you want to use MTU3 in host mode only,
+ thereby the gadget feature will be regressed.
+
+config USB_MTU3_GADGET
+ bool "Gadget only mode"
+ depends on USB_GADGET
+ select USB_GADGET_DUALSPEED
+ help
+ Select this when you want to use MTU3 in gadget mode only,
+ thereby the host feature will be regressed.
+
+endchoice
+
+config USB_MTU3_DEBUG
+ bool "Enable Debugging Messages"
+ help
+ Say Y here to enable debugging messages in the MTU3 Driver.
+
+endif