boards: nxp: add mcx_n9xx_evk

Another board for the MCXN947 SOC, very similar to FRDM-MCXN947

Signed-off-by: Derek Snell <[email protected]>

Author: DerekSnell

boards/nxp/mcx_n9xx_evk/CMakeLists.txt

@@ -0,0 +1,8 @@
+#
+# Copyright 2024 NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+zephyr_library()
+zephyr_library_sources(board.c)

boards/nxp/mcx_n9xx_evk/Kconfig

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+# Copyright 2024-2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_MCX_N9XX_EVK
+	select BOARD_EARLY_INIT_HOOK

boards/nxp/mcx_n9xx_evk/Kconfig.defconfig

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+# Copyright 2024-2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+if BOARD_MCX_N9XX_EVK
+
+config NET_L2_ETHERNET
+	default y if NETWORKING
+
+if SD_STACK
+
+# SD stack requires larger main stack size
+config MAIN_STACK_SIZE
+	default 1536
+
+endif
+
+if BOOTLOADER_MCUBOOT
+choice MCUBOOT_BOOTLOADER_MODE
+	# Board only supports MCUBoot via "upgrade only" method:
+	default MCUBOOT_BOOTLOADER_MODE_OVERWRITE_ONLY
+endchoice
+endif #BOOTLOADER_MCUBOOT
+
+endif

boards/nxp/mcx_n9xx_evk/Kconfig.mcx_n9xx_evk

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+# Copyright 2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_MCX_N9XX_EVK
+	select SOC_MCXN947_CPU0 if BOARD_MCX_N9XX_EVK_MCXN947_CPU0 || BOARD_MCX_N9XX_EVK_MCXN947_CPU0_QSPI
+	select SOC_MCXN947_CPU1 if BOARD_MCX_N9XX_EVK_MCXN947_CPU1
+	select SOC_PART_NUMBER_MCXN947VDF

boards/nxp/mcx_n9xx_evk/Kconfig.sysbuild

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+# Copyright 2024 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+choice MCUBOOT_MODE
+	default MCUBOOT_MODE_OVERWRITE_ONLY
+endchoice