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: Vineet Gupta <vgupta@synopsys.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 2a53be5f010d..b1768012ed21 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -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.
+
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