diff options
| author | Fugang Duan <b38611@freescale.com> | 2014-07-10 22:34:27 -0400 |
|---|---|---|
| committer | Fugang Duan <b38611@freescale.com> | 2014-07-11 00:12:06 -0400 |
| commit | dc49a7739f46c92cc52e43e538d98f45e8cd5920 (patch) | |
| tree | 887c14131e6933068b13f943a17f289a9d126137 /Documentation | |
| parent | bc123587aab31201fee090653b9e30237f62a86f (diff) | |
ENGR00322379 tty: serial: imx: set uart to cpu mode by default
Now uart cannot work well with CSR/Atheros BT module with SDMA
mode. Set it to cpu mode before SDMA mode work.
To enable dma mode, just add "fsl,dma-mode" in the device tree for
the node.
Signed-off-by: Fugang Duan <B38611@freescale.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt index c662eb36be29..17fd9bc716ec 100644 --- a/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt +++ b/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt | |||
| @@ -10,6 +10,8 @@ Optional properties: | |||
| 10 | - fsl,irda-mode : Indicate the uart supports irda mode | 10 | - fsl,irda-mode : Indicate the uart supports irda mode |
| 11 | - fsl,dte-mode : Indicate the uart works in DTE mode. The uart works | 11 | - fsl,dte-mode : Indicate the uart works in DTE mode. The uart works |
| 12 | is DCE mode by default. | 12 | is DCE mode by default. |
| 13 | - fsl,dma-mode : Indicate the uart works in dma mode. The uart works | ||
| 14 | is cpu mode by default. | ||
| 13 | 15 | ||
| 14 | Example: | 16 | Example: |
| 15 | 17 | ||