serial: nulldev: Add nulldev serial driver

[people/ms/u-boot.git] / drivers / serial / Kconfig

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index aeed538fa4e8189d318a4d99b63576e9692ebed0..13b2550d3b42803c1ebe462f626f5ffea51c1aaf 100644 (file)
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -414,6 +414,13 @@ config MXC_UART
          If you have a machine based on a Motorola IMX CPU you
          can enable its onboard serial port by enabling this option.
 
+config NULLDEV_SERIAL
+       bool "Null serial device"
+       help
+         Select this to enable null serial device support. A null serial
+         device merely acts as a placeholder for a serial device and does
+         nothing for all it's operation.
+
 config PIC32_SERIAL
        bool "Support for Microchip PIC32 on-chip UART"
        depends on DM_SERIAL && MACH_PIC32