NFTL Disk Driver

MAINTAINERS.yml

@@ -5766,6 +5766,16 @@ West:
   labels:
     - "area: CMSIS_6"
 
+"West project: dhara":
+  status: maintained
+  maintainers:
+    - tpambor
+  files:
+    - drivers/disk/ftl_dhara.c
+    - modules/dhara/
+  labels:
+    - "area: Disk Access"
+
 "West project: edtt":
   status: maintained
   maintainers:

drivers/disk/CMakeLists.txt

@@ -11,6 +11,7 @@ add_subdirectory_ifdef(CONFIG_NVME nvme)
 
 # zephyr-keep-sorted-start
 zephyr_library_sources_ifdef(CONFIG_DISK_DRIVER_FLASH flashdisk.c)
+zephyr_library_sources_ifdef(CONFIG_DISK_DRIVER_FTL ftl_dhara.c)
 zephyr_library_sources_ifdef(CONFIG_DISK_DRIVER_LOOPBACK loopback_disk.c)
 zephyr_library_sources_ifdef(CONFIG_DISK_DRIVER_RAM ramdisk.c)
 zephyr_library_sources_ifdef(CONFIG_SDMMC_STM32 sdmmc_stm32.c)

drivers/disk/Kconfig

@@ -10,6 +10,7 @@ if DISK_DRIVERS
 
 # zephyr-keep-sorted-start
 source "drivers/disk/Kconfig.flash"
+source "drivers/disk/Kconfig.ftl"
 source "drivers/disk/Kconfig.loopback"
 source "drivers/disk/Kconfig.mmc"
 source "drivers/disk/Kconfig.ram"

drivers/disk/Kconfig.ftl

@@ -0,0 +1,35 @@
+# Copyright (c) 2025 Endress+Hauser GmbH+Co. KG
+# SPDX-License-Identifier: Apache-2.0
+
+config DISK_DRIVER_FTL
+	bool "Flash translation layer"
+	default y
+	depends on ZEPHYR_DHARA_MODULE
+	depends on DT_HAS_ZEPHYR_FTL_DHARA_ENABLED
+	select FLASH
+	select FLASH_MAP
+	select FLASH_EX_OP_ENABLED
+	help
+	  Enable flash translation layer disk driver for NAND flashes.
+
+if DISK_DRIVER_FTL
+
+config DISK_FTL_GC_RATIO
+	int "Garbage collection ratio"
+	default 15
+	help
+	  This is the ratio of garbage collection operations to real writes when
+	  automatic collection is active. Smaller values lead to faster and more
+	  predictable input/output at the expense of capacity.
+
+config DISK_FTL_SUPPORT_CONCURRENT_ACCESS
+	bool "Support concurrent access"
+	help
+	  Enable support for concurrent access to the disk. This allows multiple threads
+	  to access the disk at the same time.
+
+module = DISK_FTL
+module-str = disk_ftl
+source "subsys/logging/Kconfig.template.log_config"
+
+endif # DISK_DRIVER_FTL