1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 72bc1dbcd055..381a2d79593c 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -201,6 +201,7 @@ struct imx_port {
         unsigned int            old_status;
         int                     txirq, rxirq, rtsirq;
         unsigned int            have_rtscts:1;
+        unsigned int            dte_mode:1;
         unsigned int            use_irda:1;
         unsigned int            irda_inv_rx:1;
         unsigned int            irda_inv_tx:1;
@@ -1020,6 +1021,8 @@ 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->dte_mode)
+                ufcr |= UFCR_DCEDTE;
         writel(ufcr, sport->port.membase + UFCR);
 
         writel(num, sport->port.membase + UBIR);
@@ -1444,6 +1447,9 @@ static int serial_imx_probe_dt(struct imx_port *sport,
         if (of_get_property(np, "fsl,irda-mode", NULL))
                 sport->use_irda = 1;
 
+        if (of_get_property(np, "fsl,dte-mode", NULL))
+                sport->dte_mode = 1;
+
         sport->devdata = of_id->data;
 
         return 0;