serial: 8250: 8250_omap: Add DMA support for UARTs on K3 SoCs

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UART on K3 SoCs has configurable RX timeout behavior (controlled via
EFR2) and better DMA integration. This allows to transfer as larger
amount data per DMA transfer compared to older SoCs.  Add support for
the same.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20200319110344.21348-7-vigneshr@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Vignesh Raghavendra 2020-03-19 16:33:44 +05:30 • committed by Greg Kroah-Hartman

parent c6689dfd87

commit c26389f998

1 changed files with 86 additions and 12 deletions

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drivers/tty/serial/8250/8250_omap.c

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