tilegx: Add tty serial support for TILE-Gx on-chip UART

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

MAINTAINERS

@@ -8293,6 +8293,7 @@ F:	drivers/edac/tile_edac.c
 F:	drivers/net/ethernet/tile/
 F:	drivers/rtc/rtc-tile.c
 F:	drivers/tty/hvc/hvc_tile.c
+F:	drivers/tty/serial/tilegx.c
 F:	drivers/usb/host/*-tilegx.c
 F:	include/linux/usb/tilegx.h
 

drivers/tty/serial/Kconfig

@@ -1436,6 +1436,15 @@ config SERIAL_EFM32_UART_CONSOLE
 	depends on SERIAL_EFM32_UART=y
 	select SERIAL_CORE_CONSOLE
 
+config SERIAL_TILEGX
+	tristate "TILE-Gx on-chip serial port support"
+	depends on TILEGX
+	select TILE_GXIO_UART
+	select SERIAL_CORE
+	---help---
+	  This device provides access to the on-chip UARTs on the TILE-Gx
+	  processor.
+
 config SERIAL_ARC
 	tristate "ARC UART driver support"
 	select SERIAL_CORE

drivers/tty/serial/Makefile

@@ -65,6 +65,7 @@ obj-$(CONFIG_SERIAL_KGDB_NMI) += kgdb_nmi.o
 obj-$(CONFIG_SERIAL_KS8695) += serial_ks8695.o
 obj-$(CONFIG_SERIAL_OMAP) += omap-serial.o
 obj-$(CONFIG_SERIAL_ALTERA_UART) += altera_uart.o
+obj-$(CONFIG_SERIAL_TILEGX) += tilegx.o
 obj-$(CONFIG_KGDB_SERIAL_CONSOLE) += kgdboc.o
 obj-$(CONFIG_SERIAL_QE) += ucc_uart.o
 obj-$(CONFIG_SERIAL_TIMBERDALE)	+= timbuart.o

include/uapi/linux/serial_core.h

@@ -232,4 +232,7 @@
 /* SH-SCI */
 #define PORT_HSCIF	104
 
+/* Tilera TILE-Gx UART */
+#define PORT_TILEGX	105
+
 #endif /* _UAPILINUX_SERIAL_CORE_H */