diff options
| author | Lionel Xu <Lionel.Xu@freescale.com> | 2011-11-16 17:03:36 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-07-20 13:17:55 +0800 |
| commit | f530999bf0205303bf820de6d456d7c8ea20b59c (patch) | |
| tree | 124567fc1c15cb568260930329fd6a325e96d4f8 /drivers/tty | |
| parent | d436a2da3c529642e1e4950c4095be094a7e659b (diff) | |
ENGR00139276-2 MX6 BT: Enable basic bluetooth support to mx6q platform
Modify uart driver to support DCE/DTE mode
Signed-off-by: Lionel Xu <Lionel.Xu@freescale.com>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/imx.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 05147f43aaef..a2c0e91c706b 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -133,6 +133,7 @@ #define UFCR_RFDIV (7<<7) /* Reference freq divider mask */ #define UFCR_RFDIV_REG(x) (((x) < 7 ? 6 - (x) : 6) << 7) #define UFCR_TXTL_SHF 10 /* Transmitter trigger level shift */ +#define UFCR_DCEDTE (1<<6) #define USR1_PARITYERR (1<<15) /* Parity error interrupt flag */ #define USR1_RTSS (1<<14) /* RTS pin status */ #define USR1_TRDY (1<<13) /* Transmitter ready interrupt/dma flag */ @@ -187,6 +188,7 @@ struct imx_port { unsigned int old_status; int txirq,rxirq,rtsirq; unsigned int have_rtscts:1; + unsigned int use_dcedte:1; unsigned int use_irda:1; unsigned int irda_inv_rx:1; unsigned int irda_inv_tx:1; @@ -926,6 +928,10 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, ufcr = readl(sport->port.membase + UFCR); ufcr = (ufcr & (~UFCR_RFDIV)) | UFCR_RFDIV_REG(div); + + if (sport->use_dcedte) + ufcr |= UFCR_DCEDTE; + writel(ufcr, sport->port.membase + UFCR); writel(num, sport->port.membase + UBIR); @@ -1309,7 +1315,8 @@ static int serial_imx_probe(struct platform_device *pdev) pdata = pdev->dev.platform_data; if (pdata && (pdata->flags & IMXUART_HAVE_RTSCTS)) sport->have_rtscts = 1; - + if (pdata && (pdata->flags & IMXUART_USE_DCEDTE)) + sport->use_dcedte = 1; #ifdef CONFIG_IRDA if (pdata && (pdata->flags & IMXUART_IRDA)) sport->use_irda = 1; |