can: Topcliff: Add PCH_CAN driver.

CAN driver of Topcliff PCH

Topcliff PCH is the platform controller hub that is going to be used in
Intel's upcoming general embedded platform. All IO peripherals in
Topcliff PCH are actually devices sitting on AMBA bus.
Topcliff PCH has CAN I/F. This driver enables CAN function.
Signed-off-by: Masayuki Ohtake <masa-korg@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/can/Kconfig

@@ -82,6 +82,14 @@ config CAN_FLEXCAN
 	---help---
 	  Say Y here if you want to support for Freescale FlexCAN.
 
+config PCH_CAN
+	tristate "PCH CAN"
+	depends on  CAN_DEV
+	---help---
+	  This driver is for PCH CAN of Topcliff which is an IOH for x86
+	  embedded processor.
+	  This driver can access CAN bus.
+
 source "drivers/net/can/mscan/Kconfig"
 
 source "drivers/net/can/sja1000/Kconfig"

drivers/net/can/Makefile

@@ -17,5 +17,6 @@ obj-$(CONFIG_CAN_MCP251X)	+= mcp251x.o
 obj-$(CONFIG_CAN_BFIN)		+= bfin_can.o
 obj-$(CONFIG_CAN_JANZ_ICAN3)	+= janz-ican3.o
 obj-$(CONFIG_CAN_FLEXCAN)	+= flexcan.o
+obj-$(CONFIG_PCH_CAN)		+= pch_can.o
 
 ccflags-$(CONFIG_CAN_DEBUG_DEVICES) := -DDEBUG