diff options
| author | Fugang Duan <b38611@freescale.com> | 2014-07-11 10:34:27 +0800 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2014-08-27 18:29:26 -0500 |
| commit | a7a826cf108a635e7983e41abeada028eab93b6d (patch) | |
| tree | 498047671929f5e858689c131fdfe7f744f5da20 /Documentation | |
| parent | 2e4fd9853865a4076119aa8c3d7478d9a35eed47 (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: - fsl,irda-mode : Indicate the uart supports irda mode - fsl,dte-mode : Indicate the uart works in DTE mode. The uart works is DCE mode by default. +- fsl,dma-mode : Indicate the uart works in dma mode. The uart works + is cpu mode by default. Example: |