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| author | Sonic Zhang <sonic.zhang@analog.com> | 2010-03-09 18:25:33 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-21 18:34:27 +0200 |
| commit | 1f7d1c85df5b63359e7f7e3fbd1509c1cdd6414f (patch) | |
| tree | a25db974be00d82156479e705a6ced9f8f84b0e3 /drivers/serial/bfin_sport_uart.h | |
| parent | serial: bfin_sport_uart: rename early platform driver class string (diff) | |
| download | linux-1f7d1c85df5b63359e7f7e3fbd1509c1cdd6414f.tar.xz linux-1f7d1c85df5b63359e7f7e3fbd1509c1cdd6414f.zip | |
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>
Diffstat (limited to 'drivers/serial/bfin_sport_uart.h')
| -rw-r--r-- | drivers/serial/bfin_sport_uart.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/serial/bfin_sport_uart.h b/drivers/serial/bfin_sport_uart.h index 9791fcc80a74..9ce253e381d2 100644 --- a/drivers/serial/bfin_sport_uart.h +++ b/drivers/serial/bfin_sport_uart.h @@ -72,4 +72,15 @@ #define SPORT_TX_FIFO_SIZE 8 +#define SPORT_UART_GET_CTS(x) gpio_get_value(x->cts_pin) +#define SPORT_UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1) +#define SPORT_UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0) + +#if defined(CONFIG_SERIAL_BFIN_SPORT0_UART_CTSRTS) \ + || defined(CONFIG_SERIAL_BFIN_SPORT1_UART_CTSRTS) \ + || defined(CONFIG_SERIAL_BFIN_SPORT2_UART_CTSRTS) \ + || defined(CONFIG_SERIAL_BFIN_SPORT3_UART_CTSRTS) +# define CONFIG_SERIAL_BFIN_SPORT_CTSRTS +#endif + #endif /* _BFIN_SPORT_UART_H */ |