diff --git a/boards/boards_legacy/arm/nucleo_f429zi/Kconfig.board b/boards/boards_legacy/arm/nucleo_f429zi/Kconfig.board
deleted file mode 100644
index b9e033f8622..00000000000
--- a/boards/boards_legacy/arm/nucleo_f429zi/Kconfig.board
+++ /dev/null
@@ -1,8 +0,0 @@
-# NUCLEO-144 F429ZI  board configuration
-
-# Copyright (c) 2017 Linaro Limited
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_NUCLEO_F429ZI
-	bool "NUCLEO-144 F429ZI Development Board"
-	depends on SOC_STM32F429XX
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/Kconfig.defconfig b/boards/st/nucleo_f429zi/Kconfig.defconfig
similarity index 85%
rename from boards/boards_legacy/arm/nucleo_f429zi/Kconfig.defconfig
rename to boards/st/nucleo_f429zi/Kconfig.defconfig
index 99fdd74ade1..2198e75674f 100644
--- a/boards/boards_legacy/arm/nucleo_f429zi/Kconfig.defconfig
+++ b/boards/st/nucleo_f429zi/Kconfig.defconfig
@@ -5,9 +5,6 @@
 
 if BOARD_NUCLEO_F429ZI
 
-config BOARD
-	default "nucleo_f429zi"
-
 if NETWORKING
 
 config NET_L2_ETHERNET
diff --git a/boards/st/nucleo_f429zi/Kconfig.nucleo_f429zi b/boards/st/nucleo_f429zi/Kconfig.nucleo_f429zi
new file mode 100644
index 00000000000..baed70d72d7
--- /dev/null
+++ b/boards/st/nucleo_f429zi/Kconfig.nucleo_f429zi
@@ -0,0 +1,5 @@
+# Copyright (c) 2017 Linaro Limited
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_NUCLEO_F429ZI
+	select SOC_STM32F429XX
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/arduino_r3_connector.dtsi b/boards/st/nucleo_f429zi/arduino_r3_connector.dtsi
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_f429zi/arduino_r3_connector.dtsi
rename to boards/st/nucleo_f429zi/arduino_r3_connector.dtsi
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/board.cmake b/boards/st/nucleo_f429zi/board.cmake
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_f429zi/board.cmake
rename to boards/st/nucleo_f429zi/board.cmake
diff --git a/boards/st/nucleo_f429zi/board.yml b/boards/st/nucleo_f429zi/board.yml
new file mode 100644
index 00000000000..ecf8e93828b
--- /dev/null
+++ b/boards/st/nucleo_f429zi/board.yml
@@ -0,0 +1,5 @@
+board:
+  name: nucleo_f429zi
+  vendor: st
+  socs:
+    - name: stm32f429xx
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/doc/img/nucleo_f429zi.jpg b/boards/st/nucleo_f429zi/doc/img/nucleo_f429zi.jpg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_f429zi/doc/img/nucleo_f429zi.jpg
rename to boards/st/nucleo_f429zi/doc/img/nucleo_f429zi.jpg
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/doc/img/nucleo_f429zi_cn11.jpg b/boards/st/nucleo_f429zi/doc/img/nucleo_f429zi_cn11.jpg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_f429zi/doc/img/nucleo_f429zi_cn11.jpg
rename to boards/st/nucleo_f429zi/doc/img/nucleo_f429zi_cn11.jpg
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/doc/img/nucleo_f429zi_cn12.jpg b/boards/st/nucleo_f429zi/doc/img/nucleo_f429zi_cn12.jpg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_f429zi/doc/img/nucleo_f429zi_cn12.jpg
rename to boards/st/nucleo_f429zi/doc/img/nucleo_f429zi_cn12.jpg
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/doc/img/nucleo_f429zi_cn7.jpg b/boards/st/nucleo_f429zi/doc/img/nucleo_f429zi_cn7.jpg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_f429zi/doc/img/nucleo_f429zi_cn7.jpg
rename to boards/st/nucleo_f429zi/doc/img/nucleo_f429zi_cn7.jpg
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/doc/img/nucleo_f429zi_cn8.jpg b/boards/st/nucleo_f429zi/doc/img/nucleo_f429zi_cn8.jpg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_f429zi/doc/img/nucleo_f429zi_cn8.jpg
rename to boards/st/nucleo_f429zi/doc/img/nucleo_f429zi_cn8.jpg
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/doc/index.rst b/boards/st/nucleo_f429zi/doc/index.rst
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_f429zi/doc/index.rst
rename to boards/st/nucleo_f429zi/doc/index.rst
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/nucleo_f429zi.dts b/boards/st/nucleo_f429zi/nucleo_f429zi.dts
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_f429zi/nucleo_f429zi.dts
rename to boards/st/nucleo_f429zi/nucleo_f429zi.dts
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/nucleo_f429zi.yaml b/boards/st/nucleo_f429zi/nucleo_f429zi.yaml
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_f429zi/nucleo_f429zi.yaml
rename to boards/st/nucleo_f429zi/nucleo_f429zi.yaml
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/nucleo_f429zi_defconfig b/boards/st/nucleo_f429zi/nucleo_f429zi_defconfig
similarity index 85%
rename from boards/boards_legacy/arm/nucleo_f429zi/nucleo_f429zi_defconfig
rename to boards/st/nucleo_f429zi/nucleo_f429zi_defconfig
index 478a485246c..750f99bdff3 100644
--- a/boards/boards_legacy/arm/nucleo_f429zi/nucleo_f429zi_defconfig
+++ b/boards/st/nucleo_f429zi/nucleo_f429zi_defconfig
@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_STM32F4X=y
-CONFIG_SOC_STM32F429XX=y
-
 # Enable MPU
 CONFIG_ARM_MPU=y
 
diff --git a/boards/boards_legacy/arm/nucleo_f429zi/support/openocd.cfg b/boards/st/nucleo_f429zi/support/openocd.cfg
similarity index 100%
rename from boards/boards_legacy/arm/nucleo_f429zi/support/openocd.cfg
rename to boards/st/nucleo_f429zi/support/openocd.cfg