suit: Add flash_ipuc pseudo-driver

Add pseudo-driver to access NVM memory through flash API using IPUC SSF
services.

Ref: NCSDK-30809

Signed-off-by: Tomasz Chyrowicz <[email protected]>

Author: tomchy

.github/test-spec.yml

@@ -129,10 +129,12 @@
   - "include/fw_info.*"
   - "include/mgmt/*"
   - "include/dfu/**/*"
+  - "include/drivers/flash/flash_ipuc.h"
   - "include/net/**/*"
   - "lib/lte_link_control/**/*"
   - "modules/mcuboot/**/*"
   - "modules/trusted-firmware-m/*"
+  - "drivers/flash/flash_ipuc/*"
   - "samples/cellular/*fota/**/*"
   - "samples/cellular/fmfu_smp_svr/**/*"
   - "samples/cellular/http_update/**/*"

CODEOWNERS

@@ -290,6 +290,7 @@
 /drivers/bluetooth/                       @nrfconnect/ncs-co-drivers @nrfconnect/ncs-dragoon
 /drivers/entropy/                         @nrfconnect/ncs-co-drivers @nrfconnect/ncs-aegir
 /drivers/flash/                           @nrfconnect/ncs-co-drivers
+/drivers/flash/flash_ipuc/                @nrfconnect/ncs-co-drivers @nrfconnect/ncs-charon
 /drivers/gpio/                            @nrfconnect/ncs-co-drivers @nrfconnect/ncs-ll-ursus
 /drivers/hw_cc3xx/                        @nrfconnect/ncs-co-drivers @nrfconnect/ncs-aegir
 /drivers/mpsl/                            @nrfconnect/ncs-co-drivers @nrfconnect/ncs-dragoon
@@ -328,6 +329,7 @@
 /include/dfu/suit_dfu_fetch_source.h      @nrfconnect/ncs-charon
 /include/dfu/suit_dfu.h                   @nrfconnect/ncs-charon
 /include/drivers/flash/                   @nrfconnect/ncs-co-drivers
+/include/drivers/flash/flash_ipuc.h       @nrfconnect/ncs-co-drivers @nrfconnect/ncs-charon
 /include/drivers/gpio/                    @nrfconnect/ncs-co-drivers @nrfconnect/ncs-ll-ursus
 /include/drivers/bme68x_iaq.h             @nrfconnect/ncs-co-drivers @nrfconnect/ncs-cia
 /include/drivers/mspi/nrfe_mspi.h         @nrfconnect/ncs-co-drivers @nrfconnect/ncs-ll-ursus

drivers/flash/CMakeLists.txt

@@ -5,3 +5,4 @@
 #
 
 add_subdirectory_ifdef(CONFIG_FLASH_RPC flash_rpc)
+add_subdirectory_ifdef(CONFIG_FLASH_IPUC flash_ipuc)

drivers/flash/Kconfig

@@ -4,6 +4,25 @@
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #
 
+config FLASH_IPUC
+	bool "Flash over SUIT IPUC [EXPERIMENTAL]"
+	depends on SUIT
+	depends on SUIT_UTILS
+	depends on SUIT_IPUC
+	select EXPERIMENTAL
+
+if FLASH_IPUC
+
+config FLASH_IPUC_COUNT
+	int "Number of available flash IPUC drivers"
+	default 1
+
+module = FLASH_IPUC
+module-str = Flash over SUIT IPUC
+source "${ZEPHYR_BASE}/subsys/logging/Kconfig.template.log_config"
+
+endif # FLASH_IPUC
+
 config FLASH_RPC
 	bool "Flash over RPC [EXPERIMENTAL]"
 	select NRF_RPC

drivers/flash/flash_ipuc/CMakeLists.txt

@@ -0,0 +1,10 @@
+#
+# Copyright (c) 2025 Nordic Semiconductor
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+zephyr_library()
+zephyr_library_sources(flash_ipuc.c)
+zephyr_library_link_libraries(suit_utils)
+zephyr_library_link_libraries(suit_ipuc)