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authorRichard Genoud <richard.genoud@gmail.com>2014-05-13 22:20:43 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-28 23:49:14 +0400
commit84130aace83989c1dba073ed98dad721d2060258 (patch)
treee313e54a9276328a551825f58fc867aa02f8acf1 /drivers/tty/serial/Kconfig
parentfa3909320c00286c6b9d6ade16bc6d44f940379c (diff)
downloadlinux-84130aace83989c1dba073ed98dad721d2060258.tar.xz
tty/serial: Add GPIOLIB helpers for controlling modem lines
This patch add some helpers to control modem lines (CTS/RTS/DSR...) via GPIO. This will be useful for many boards which have a serial controller that only handle CTS/RTS pins (or even just RX/TX). Signed-off-by: Richard Genoud <richard.genoud@gmail.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Tested-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/Kconfig')
-rw-r--r--drivers/tty/serial/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index d88c058634ff..4bf6d220357b 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1553,4 +1553,7 @@ config SERIAL_MEN_Z135
endmenu
+config SERIAL_MCTRL_GPIO
+ tristate
+
endif # TTY