serial: tegra: add serial driver

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NVIDIA's Tegra has multiple UART controller which supports:
- APB DMA based controller fifo read/write.
- End Of Data interrupt in incoming data to know whether end
  of frame achieve or not.
- HW controlled RTS and CTS flow control to reduce SW overhead.

Add serial driver to use all above feature.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Laxman Dewangan 2013-01-08 16:27:44 +05:30 • committed by Greg Kroah-Hartman

parent 42d3419154

commit e9ea096dd2

4 changed files with 1435 additions and 0 deletions

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24

Documentation/devicetree/bindings/serial/nvidia,tegra20-hsuart.txt

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11

drivers/tty/serial/Kconfig

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1

drivers/tty/serial/Makefile

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1399

drivers/tty/serial/serial-tegra.c

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