serial: bfin_sport_uart: add support for CTS/RTS via GPIOs
Some people need flow control on their ports, so now boards can support
that via any GPIOs.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 302836a..6325830 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -1443,24 +1443,48 @@
help
Enable UART over SPORT0
+config SERIAL_BFIN_SPORT0_UART_CTSRTS
+ bool "Enable UART over SPORT0 hardware flow control"
+ depends on SERIAL_BFIN_SPORT0_UART
+ help
+ Enable hardware flow control in the driver.
+
config SERIAL_BFIN_SPORT1_UART
bool "Enable UART over SPORT1"
depends on SERIAL_BFIN_SPORT
help
Enable UART over SPORT1
+config SERIAL_BFIN_SPORT1_UART_CTSRTS
+ bool "Enable UART over SPORT1 hardware flow control"
+ depends on SERIAL_BFIN_SPORT1_UART
+ help
+ Enable hardware flow control in the driver.
+
config SERIAL_BFIN_SPORT2_UART
bool "Enable UART over SPORT2"
depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539)
help
Enable UART over SPORT2
+config SERIAL_BFIN_SPORT2_UART_CTSRTS
+ bool "Enable UART over SPORT2 hardware flow control"
+ depends on SERIAL_BFIN_SPORT2_UART
+ help
+ Enable hardware flow control in the driver.
+
config SERIAL_BFIN_SPORT3_UART
bool "Enable UART over SPORT3"
depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539)
help
Enable UART over SPORT3
+config SERIAL_BFIN_SPORT3_UART_CTSRTS
+ bool "Enable UART over SPORT3 hardware flow control"
+ depends on SERIAL_BFIN_SPORT3_UART
+ help
+ Enable hardware flow control in the driver.
+
config SERIAL_TIMBERDALE
tristate "Support for timberdale UART"
select SERIAL_CORE