ENGR00320327 mcc: mcc posix pty interface demo driver

- /dev/ttyMCCp0 can be created.
- use schedule delayed work to kick off the demo
- one simple test app(mxc_mcc_tty_test.out) used to do
the mcc pty interface demo tests.
  - m4 part of the mcc pingpong demo is required to be run
  on m4.
  - up to now, only the unsigned int decimal number is used
  in the tests.

test how-to by the simple test app:

./mxc_mcc_tty_test.out /dev/ttyMCCp0 115200 R 1 512 &
echo <your input> > /dev/ttyMCCp0

then
<your input + 1> would be received the test app.

Signed-off-by: Richard Zhu <r65037@freescale.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/char/imx_mcc/Kconfig b/drivers/char/imx_mcc/Kconfig
index d60cf66cd8fd..9625efa2df7f 100644
--- a/drivers/char/imx_mcc/Kconfig
+++ b/drivers/char/imx_mcc/Kconfig
@@ -13,3 +13,11 @@ config IMX_MCC_DEMO
         depends on SOC_IMX6SX && IMX_SEMA4
         help
           Support for IMX MCC DEMO, most people should say N here.
+
+config IMX_MCC_TTY
+        bool "imx pty for mcc interface"
+        depends on SOC_IMX6SX && IMX_SEMA4
+        help
+          This enables a pty node for imx6sx mcc interface.
+
+#end imx mcc