drivers: bus: add a new driver for omap-ocp2scp

Adds a new driver *omap-ocp2scp*. This driver takes the responsibility of
creating all the devices that is connected to OCP2SCP. In the case of OMAP4,
USB2PHY is connected to ocp2scp.

This also includes device tree support for ocp2scp driver and
the documentation with device tree binding information is updated.

Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
new file mode 100644
index 000000000000..6270415107d0
--- /dev/null
+++ b/drivers/bus/Kconfig
@@ -0,0 +1,15 @@
+#
+# Bus Devices
+#
+
+menu "Bus devices"
+
+config OMAP_OCP2SCP
+        tristate "OMAP OCP2SCP DRIVER"
+        help
+          Driver to enable ocp2scp module which transforms ocp interface
+          protocol to scp protocol. In OMAP4, USB PHY is connected via
+          OCP2SCP and in OMAP5, both USB PHY and SATA PHY is connected via
+          OCP2SCP.
+
+endmenu