drivers: mspi: stm32 mspi controller entity

Enable the stm32 MSPI controller based on the xspi peripheral

Signed-off-by: Francois Ramu <[email protected]>

Author: FRASTM

drivers/mspi/CMakeLists.txt

@@ -5,3 +5,4 @@ zephyr_syscall_header(${ZEPHYR_BASE}/include/zephyr/drivers/mspi.h)
 zephyr_library()
 zephyr_library_sources_ifdef(CONFIG_MSPI_AMBIQ_AP3   mspi_ambiq_ap3.c)
 zephyr_library_sources_ifdef(CONFIG_MSPI_EMUL        mspi_emul.c)
+zephyr_library_sources_ifdef(CONFIG_MSPI_STM32       mspi_stm32.c)

drivers/mspi/Kconfig

@@ -61,5 +61,6 @@ source "subsys/logging/Kconfig.template.log_config"
 
 source "drivers/mspi/Kconfig.ambiq"
 source "drivers/mspi/Kconfig.mspi_emul"
+source "drivers/mspi/Kconfig.stm32"
 
 endif # MSPI

drivers/mspi/Kconfig.stm32

@@ -0,0 +1,22 @@
+# STM32 MSPI flash driver configuration options
+
+# Copyright (c) 2024 STMicroelectronics
+# SPDX-License-Identifier: Apache-2.0
+
+DT_STM32_MSPI_1_HAS_DMA := $(dt_nodelabel_has_prop,xspi1,dmas)
+DT_STM32_MSPI_2_HAS_DMA := $(dt_nodelabel_has_prop,xspi2,dmas)
+
+config MSPI_STM32
+	bool "STM32 XSPI Flash driver"
+	default y
+	depends on DT_HAS_ST_STM32_MSPI_CONTROLLER_ENABLED
+	select USE_STM32_HAL_XSPI
+	select USE_STM32_LL_DLYB
+	select DMA if $(DT_STM32_MSPI_1_HAS_DMA) || $(DT_STM32_MSPI_2_HAS_DMA)
+	select USE_STM32_HAL_DMA if $(DT_STM32_MSPI_1_HAS_DMA) || \
+					$(DT_STM32_MSPI_2_HAS_DMA)
+	select USE_STM32_HAL_DMA_EX if SOC_SERIES_STM32H5X && \
+					($(DT_STM32_MSPI_1_HAS_DMA) || \
+					 $(DT_STM32_MSPI_2_HAS_DMA))
+	help
+	  Enable driver for STM32 family of processors.