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drivers: uart_stm32: Add support for tx/rx swap

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Add a new boolean devicetree property `tx-rx-swap` to the
st,stm32-usart binding, used to control TX/RX swap during
device initialization.

Signed-off-by: Alexander Mihajlovic <a@abxy.se>
This commit is contained in:
Alexander Mihajlovic 2022-04-02 15:21:01 +02:00 • committed by Marti Bolivar
commit 4ff4991e16
3 changed files with 15 additions and 0 deletions
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2
drivers/serial/uart_stm32.h
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@ -28,6 +28,8 @@ struct uart_stm32_config {
int parity;
/* switch to enable single wire / half duplex feature */
bool single_wire;
/* enable tx/rx pin swap */
bool tx_rx_swap;
const struct pinctrl_dev_config *pcfg;
#if defined(CONFIG_UART_INTERRUPT_DRIVEN) || defined(CONFIG_UART_ASYNC_API) || \
defined(CONFIG_PM)