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Commit 2ac4ad2a authored by Vineet Gupta's avatar Vineet Gupta Committed by Greg Kroah-Hartman
Browse files

serial/arc-uart: Add new driver 



Driver for non-standard on-chip UART, instantiated in the ARC (Synopsys)
FPGA Boards such as ARCAngel4/ML50x

Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
Reviewed-by: default avatarFelipe Balbi <balbi@ti.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 373bac4c

drivers/tty/serial/Kconfig

+23 −0
Original line number Diff line number Diff line
@@ -1423,4 +1423,27 @@ config SERIAL_EFM32_UART_CONSOLE 
	depends on SERIAL_EFM32_UART=y

	select SERIAL_CORE_CONSOLE



config SERIAL_ARC

	tristate "ARC UART driver support"

	select SERIAL_CORE

	help

	  Driver for on-chip UART for ARC(Synopsys) for the legacy

	  FPGA Boards (ML50x/ARCAngel4)



config SERIAL_ARC_CONSOLE

	bool "Console on ARC UART"

	depends on SERIAL_ARC=y

	select SERIAL_CORE_CONSOLE

	help

	  Enable system Console on ARC UART



config SERIAL_ARC_NR_PORTS

	int "Number of ARC UART ports"

	depends on SERIAL_ARC

	range 1 3

	default "1"

	help

	  Set this to the number of serial ports you want the driver

	  to support.



endmenu

drivers/tty/serial/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -82,3 +82,4 @@ obj-$(CONFIG_SERIAL_XILINX_PS_UART) += xilinx_uartps.o 
obj-$(CONFIG_SERIAL_SIRFSOC) += sirfsoc_uart.o

obj-$(CONFIG_SERIAL_AR933X)   += ar933x_uart.o

obj-$(CONFIG_SERIAL_EFM32_UART) += efm32-uart.o

obj-$(CONFIG_SERIAL_ARC)	+= arc_uart.o

drivers/tty/serial/arc_uart.c

0 → 100644
+746 −0

File added.

Preview size limit exceeded, changes collapsed.

include/uapi/linux/serial_core.h

+2 −0
Original line number Diff line number Diff line
@@ -215,5 +215,7 @@ 
/* Energy Micro efm32 SoC */

#define PORT_EFMUART   100



/* ARC (Synopsys) on-chip UART */

#define PORT_ARC       101



#endif /* _UAPILINUX_SERIAL_CORE_H */