# STM32 UART configuration

# Copyright (c) 2016 Open-RnD Sp. z o.o.
# SPDX-License-Identifier: Apache-2.0

DT_COMPAT_ST_STM32_DMA_V1 := st,stm32-dma-v1
DT_COMPAT_ST_STM32_DMA_V2 := st,stm32-dma-v2

config UART_STM32
	bool "STM32 MCU serial driver"
	select SERIAL_HAS_DRIVER
	select SERIAL_SUPPORT_INTERRUPT
	# the ASYNC implementation requires a DMA controller
	select SERIAL_SUPPORT_ASYNC \
		if $(dt_compat_enabled,$(DT_COMPAT_ST_STM32_DMA_V1)) || \
		   $(dt_compat_enabled,$(DT_COMPAT_ST_STM32_DMA_V2))
	select DMA if UART_ASYNC_API
	depends on SOC_FAMILY_STM32
	help
	  This option enables the UART driver for STM32 family of
	  processors.
	  Say y if you wish to use serial port on STM32 MCU.