tty/serial: Add rx-tx-swap OF option to stm32-usart

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STM32 F7/H7 usarts supports RX & TX pin swapping.
Add option to turn it on.
Tested on STM32MP157.

Acked-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Signed-off-by: Martin Devera <devik@eaxlabs.cz>
Link: https://lore.kernel.org/r/20210328154306.22674-2-devik@eaxlabs.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Martin Devera 2021-03-28 17:43:06 +02:00 • committed by Greg Kroah-Hartman

parent 1b8dc3988d

commit 3cd6659372

2 changed files with 14 additions and 1 deletions

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11

drivers/tty/serial/stm32-usart.c

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4

drivers/tty/serial/stm32-usart.h

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