# Silabs EUSART SPI configuration option

# Copyright (c) 2024 Daikin Comfort Technologies North America, Inc.
# Copyright (c) 2025 Silicon Laboratories Inc.
# SPDX-License-Identifier: Apache-2.0

config SPI_SILABS_EUSART
	bool "Silabs EUSART SPI controller driver"
	default y
	depends on DT_HAS_SILABS_EUSART_SPI_ENABLED
	depends on GPIO
	select SOC_GECKO_EUSART
	select PINCTRL if SOC_FAMILY_SILABS_S2
	help
	  Enable the EUSART SPI driver

config SPI_SILABS_EUSART_DMA
	bool "Silabs EUSART SPI controller driver DMA enabled transfer"
	depends on SPI_SILABS_EUSART
	select DMA
	default y if SPI_ASYNC

config SPI_SILABS_EUSART_DMA_MAX_BLOCKS
	int "Silabs EUSART SPI controller driver maximum DMA transfer block per channel for a transaction."
	depends on SPI_SILABS_EUSART_DMA
	default 8
	help
	  One block is needed for every chunk found in the SPI transaction and every 2048 bytes