diff options
| author | Sonic Zhang <sonic.zhang@analog.com> | 2010-03-09 12:25:33 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-21 12:34:27 -0400 |
| commit | 1f7d1c85df5b63359e7f7e3fbd1509c1cdd6414f (patch) | |
| tree | a25db974be00d82156479e705a6ced9f8f84b0e3 /drivers/serial/bfin_sport_uart.h | |
| parent | b59588aae8356caf52b653a7c448c3fffdd27628 (diff) | |
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 9791fcc80a7..9ce253e381d 100644 --- a/drivers/serial/bfin_sport_uart.h +++ b/drivers/serial/bfin_sport_uart.h | |||
| @@ -72,4 +72,15 @@ | |||
| 72 | 72 | ||
| 73 | #define SPORT_TX_FIFO_SIZE 8 | 73 | #define SPORT_TX_FIFO_SIZE 8 |
| 74 | 74 | ||
| 75 | #define SPORT_UART_GET_CTS(x) gpio_get_value(x->cts_pin) | ||
| 76 | #define SPORT_UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1) | ||
| 77 | #define SPORT_UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0) | ||
| 78 | |||
| 79 | #if defined(CONFIG_SERIAL_BFIN_SPORT0_UART_CTSRTS) \ | ||
| 80 | || defined(CONFIG_SERIAL_BFIN_SPORT1_UART_CTSRTS) \ | ||
| 81 | || defined(CONFIG_SERIAL_BFIN_SPORT2_UART_CTSRTS) \ | ||
| 82 | || defined(CONFIG_SERIAL_BFIN_SPORT3_UART_CTSRTS) | ||
| 83 | # define CONFIG_SERIAL_BFIN_SPORT_CTSRTS | ||
| 84 | #endif | ||
| 85 | |||
| 75 | #endif /* _BFIN_SPORT_UART_H */ | 86 | #endif /* _BFIN_SPORT_UART_H */ |