usb: chipidea: split the driver code into units

Split the driver into the following parts:
  * core  -- resources, register access, capabilities, etc;
  * udc   -- device controller functionality;
  * debug -- logging events.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 18 insertions, 2 deletions

diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig
index 71725ddc8f25..553c1976a66e 100644
--- a/drivers/usb/chipidea/Kconfig
+++ b/drivers/usb/chipidea/Kconfig
@@ -1,10 +1,26 @@
 config USB_CHIPIDEA
         tristate "ChipIdea Highspeed Dual Role Controller"
-        depends on USB && USB_GADGET
-        select USB_GADGET_DUALSPEED
+        depends on USB
         help
           Say Y here if your system has a dual role high speed USB
           controller based on ChipIdea silicon IP. Currently, only the
           peripheral mode is supported.
 
           When compiled dynamically, the module will be called ci-hdrc.ko.
+
+if USB_CHIPIDEA
+
+config USB_CHIPIDEA_UDC
+        bool "ChipIdea device controller"
+        depends on USB_GADGET
+        select USB_GADGET_DUALSPEED
+        help
+          Say Y here to enable device controller functionality of the
+          ChipIdea driver.
+
+config USB_CHIPIDEA_DEBUG
+        bool "ChipIdea driver debug"
+        help
+          Say Y here to enable debugging output of the ChipIdea driver.
+
+endif