diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index 7fa99c6..bccf43e 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -53,6 +53,8 @@
 
 source "drivers/usb/emul/Kconfig"
 
+source "drivers/usb/ulpi/Kconfig"
+
 comment "USB peripherals"
 
 config USB_STORAGE