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authorJamie Iles <jamie@jamieiles.com>2011-08-26 19:04:50 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2011-08-26 11:38:46 -0700
commit7d4008ebb1c971ce4baf57e45993690b0fa6d9f9 (patch)
treed316b3c7fc44cd77124b3c85a57603dea3c000f2 /drivers/tty/serial/Kconfig
parentc7a1bdc5c951aae15021d13e3f5c0b2fe9d56112 (diff)
tty: add a DesignWare 8250 driver
The Synopsys DesignWare 8250 is an 8250 that has an extra interrupt that gets raised when writing to the LCR when busy. To handle this we need special serial_out, serial_in and handle_irq methods. Add a new platform driver that uses these accessors. Cc: Alan Cox <alan@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/tty/serial/Kconfig')
-rw-r--r--drivers/tty/serial/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 10babe254e5..8ee3a6626ce 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -267,6 +267,13 @@ config SERIAL_8250_RM9K
port hardware found on MIPS RM9122 and similar processors.
If unsure, say N.
+config SERIAL_8250_DW
+ tristate "Support for Synopsys DesignWare 8250 quirks"
+ depends on SERIAL_8250 && OF
+ help
+ Selecting this option will enable handling of the extra features
+ present in the Synopsys DesignWare APB UART.
+
comment "Non-8250 serial port support"
config SERIAL_AMBA_PL010