drivers: flash: import flash_mspi_nor driver from upstream

Import flash_mspi_nor driver from upstream, based on PR:
zephyrproject-rtos/zephyr#85520

This driver has been heavily patched to enable runtime JEDEC ID probing.
Once the PR merges, these changes will be sent upstream.

Signed-off-by: Daniel DeGrasse <[email protected]>

Author: danieldegrasse

drivers/flash/CMakeLists.txt

@@ -5,6 +5,8 @@ zephyr_library_amend()
 zephyr_library_include_directories("${ZEPHYR_BASE}/drivers/flash")
 
 # zephyr-keep-sorted-start
+zephyr_library_sources_ifdef(CONFIG_FLASH_MSPI_NOR flash_mspi_nor.c)
+zephyr_library_sources_ifdef(CONFIG_FLASH_MSPI_NOR flash_mspi_nor_devs.c)
 zephyr_library_sources_ifdef(CONFIG_FLASH_SPI_DW spi_dw_flash.c)
 # zephyr-keep-sorted-stop
 

drivers/flash/Kconfig

@@ -6,6 +6,7 @@ if FLASH
 menu "Flash drivers"
 
 # zephyr-keep-sorted-start
+rsource "Kconfig.mspi"
 rsource "Kconfig.spi_dw"
 # zephyr-keep-sorted-stop
 

drivers/flash/Kconfig.mspi

@@ -0,0 +1,36 @@
+# Copyright (c) 2024 Ambiq Micro Inc. <www.ambiq.com>
+# SPDX-License-Identifier: Apache-2.0
+
+menu "MSPI flash device driver"
+
+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_HAS_PAGE_LAYOUT
+	select FLASH_JESD216
+	select GPIO if $(dt_compat_any_has_prop,$(DT_COMPAT_JEDEC_MSPI_NOR),reset-gpios)
+
+if FLASH_MSPI_NOR
+
+config FLASH_MSPI_NOR_LAYOUT_PAGE_SIZE
+	int "Page size to use for FLASH_LAYOUT feature"
+	depends on FLASH_PAGE_LAYOUT
+	default 65536
+	help
+	  When CONFIG_FLASH_PAGE_LAYOUT is used, this driver will support that
+	  API. By default the page size corresponds to the block size (65536).
+	  Other options include the 32K-byte erase size (32768), the sector
+	  size (4096), or any non-zero multiple of the sector size.
+
+config FLASH_MSPI_NOR_RUNTIME_PROBE
+	bool "Probe flash details at runtime"
+	help
+	  If enabled, the driver will probe the flash device's JEDEC ID at
+	  runtime, and used that to determine the command set and flash size.
+
+endif # FLASH_MSPI_NOR
+
+endmenu