tty: serial: fsl_lpuart: Add support for RS-485

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Enable Vybrid's build-in support for RS-485 auto RTS for controlling line
direction of RS-485 transceiver driver.

Enable RS485 feature by either using ioctrl 'TIOCSRS485' or enable it in the
device tree by setting 'linux,rs485-enabled-at-boot-time' property.

Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Bhuvanchandra DV 2016-07-19 13:13:10 +05:30 • committed by Greg Kroah-Hartman

parent c05efd692f

commit 03895cf41d

1 changed files with 72 additions and 6 deletions

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drivers/tty/serial/fsl_lpuart.c

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