[nrf fromlist] drivers: flash: Add generic NOR flash driver for MSPI …

…devices Add a flash driver intended to handle various flash devices connected over MSPI bus as long as they support JEDEC SFDP. This is an initial commit providing only basic operations in Octal I/O mode with some hard-coded values for Macronix MX25Ux series chips. Upstream PR #: 80042 Signed-off-by: Andrzej Głąbek <[email protected]>
nrfconnect · Dec 16, 2024 · c6ace4b · c6ace4b
1 parent e957c23
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diff --git a/drivers/flash/CMakeLists.txt b/drivers/flash/CMakeLists.txt
@@ -34,6 +34,7 @@ zephyr_library_sources_ifdef(CONFIG_FLASH_MCUX_FLEXSPI_MX25UM51345G flash_mcux_f
 zephyr_library_sources_ifdef(CONFIG_FLASH_MCUX_FLEXSPI_NOR flash_mcux_flexspi_nor.c)
 zephyr_library_sources_ifdef(CONFIG_FLASH_MSPI_ATXP032 flash_mspi_atxp032.c)
 zephyr_library_sources_ifdef(CONFIG_FLASH_MSPI_EMUL_DEVICE flash_mspi_emul_device.c)
+zephyr_library_sources_ifdef(CONFIG_FLASH_MSPI_NOR flash_mspi_nor.c)
 zephyr_library_sources_ifdef(CONFIG_FLASH_NPCX_FIU_NOR flash_npcx_fiu_nor.c)
 zephyr_library_sources_ifdef(CONFIG_FLASH_NPCX_FIU_QSPI flash_npcx_fiu_qspi.c)
 zephyr_library_sources_ifdef(CONFIG_FLASH_RPI_PICO flash_rpi_pico.c)

diff --git a/drivers/flash/Kconfig.mspi b/drivers/flash/Kconfig.mspi
@@ -28,4 +28,22 @@ config FLASH_MSPI_ATXP032
 	select FLASH_JESD216
 	select MSPI_AMBIQ_AP3 if SOC_SERIES_APOLLO3X
 
+menuconfig FLASH_MSPI_NOR
+	bool "Generic MSPI NOR Flash"
+	default y
+	depends on DT_HAS_JEDEC_MSPI_NOR_ENABLED
+	select FLASH_MSPI
+	select FLASH_HAS_EXPLICIT_ERASE
+	select FLASH_JESD216
+	select GPIO if $(dt_compat_any_has_prop,$(DT_COMPAT_JEDEC_MSPI_NOR),reset-gpios)
+
+config FLASH_MSPI_NOR_INIT_PRIORITY
+	int
+	depends on FLASH_MSPI_NOR
+	default 80
+	help
+	  Device driver initialization priority.
+	  Device is connected to MSPI bus, it has to
+	  be initialized after MSPI driver.
+
 endmenu