diff --git a/arch/arm/src/lpc54xx/CMakeLists.txt b/arch/arm/src/lpc54xx/CMakeLists.txt
new file mode 100644
index 0000000000000..42a9b5ab83388
--- /dev/null
+++ b/arch/arm/src/lpc54xx/CMakeLists.txt
@@ -0,0 +1,98 @@
+# ##############################################################################
+# arch/arm/src/lpc54xx/CMakeLists.txt
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+set(SRCS
+    lpc54_start.c
+    lpc54_clockconfig.c
+    lpc54_irq.c
+    lpc54_clrpend.c
+    lpc54_allocateheap.c
+    lpc54_lowputc.c
+    lpc54_gpio.c
+    lpc54_reset.c)
+
+if(NOT CONFIG_SCHED_TICKLESS)
+  list(APPEND SRCS lpc54_timerisr.c)
+else()
+  list(APPEND SRCS lpc54_tickless.c)
+endif()
+
+if(CONFIG_BUILD_PROTECTED)
+  list(APPEND SRCS lpc54_userspace.c lpc54_mpuinit.c)
+endif()
+
+if(CONFIG_LPC54_DMA)
+  list(APPEND SRCS lpc54_dma.c)
+endif()
+
+if(NOT CONFIG_ARCH_IDLE_CUSTOM)
+  list(APPEND SRCS lpc54_idle.c)
+endif()
+
+if(CONFIG_LPC54_GPIOIRQ)
+  list(APPEND SRCS lpc54_gpioirq.c)
+endif()
+
+if(CONFIG_RTC)
+  list(APPEND SRCS lpc54_rtc.c)
+  if(CONFIG_RTC_DRIVER)
+    list(APPEND SRCS lpc54_rtc_lowerhalf.c)
+  endif()
+endif()
+
+if(CONFIG_LPC54_WWDT)
+  list(APPEND SRCS lpc54_wwdt.c)
+endif()
+
+if(CONFIG_LPC54_RNG)
+  list(APPEND SRCS lpc54_rng.c)
+endif()
+
+if(CONFIG_LPC54_HAVE_USART)
+  list(APPEND SRCS lpc54_serial.c)
+endif()
+
+if(CONFIG_LPC54_HAVE_I2C_MASTER)
+  list(APPEND SRCS lpc54_i2c_master.c)
+endif()
+
+if(CONFIG_LPC54_HAVE_SPI_MASTER)
+  list(APPEND SRCS lpc54_spi_master.c)
+endif()
+
+if(CONFIG_LPC54_EMC)
+  list(APPEND SRCS lpc54_emc.c)
+endif()
+
+if(CONFIG_LPC54_ETHERNET)
+  list(APPEND SRCS lpc54_ethernet.c)
+endif()
+
+if(CONFIG_LPC54_LCD)
+  list(APPEND SRCS lpc54_lcd.c)
+endif()
+
+if(CONFIG_LPC54_SDMMC)
+  list(APPEND SRCS lpc54_sdmmc.c)
+endif()
+
+target_sources(arch PRIVATE ${SRCS})
diff --git a/boards/arm/lpc54xx/lpcxpresso-lpc54628/CMakeLists.txt b/boards/arm/lpc54xx/lpcxpresso-lpc54628/CMakeLists.txt
new file mode 100644
index 0000000000000..f5828af63b57d
--- /dev/null
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/CMakeLists.txt
@@ -0,0 +1,23 @@
+# ##############################################################################
+# boards/arm/lpc54xx/lpcxpresso-lpc54628/CMakeLists.txt
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+add_subdirectory(src)
diff --git a/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/CMakeLists.txt b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/CMakeLists.txt
new file mode 100644
index 0000000000000..b932a0b093007
--- /dev/null
+++ b/boards/arm/lpc54xx/lpcxpresso-lpc54628/src/CMakeLists.txt
@@ -0,0 +1,57 @@
+# ##############################################################################
+# boards/arm/lpc54xx/lpcxpresso-lpc54628/src/CMakeLists.txt
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+set(SRCS lpc54_boot.c lpc54_bringup.c lpc54_userleds.c lpc54_lcd.c)
+
+if(CONFIG_ARCH_LEDS)
+  list(APPEND SRCS lpc54_autoleds.c)
+endif()
+
+if(CONFIG_ARCH_BUTTONS)
+  list(APPEND SRCS lpc54_buttons.c)
+endif()
+
+if(CONFIG_BOARDCTL)
+  list(APPEND SRCS lpc54_appinit.c)
+endif()
+
+if(CONFIG_LPC54_HAVE_I2C_MASTER)
+  list(APPEND SRCS lpc54_i2c.c)
+endif()
+
+if(CONFIG_SYSTEM_I2CTOOL)
+  list(APPEND SRCS lpc54_i2ctool.c)
+endif()
+
+if(CONFIG_INPUT_FT5X06)
+  list(APPEND SRCS lpc54_ft5x06.c)
+endif()
+
+if(CONFIG_LPC54_EMC)
+  if(CONFIG_LPC54_EMC_DYNAMIC)
+    list(APPEND SRCS lpc54_sdram.c)
+  endif()
+endif()
+
+target_sources(board PRIVATE ${SRCS})
+
+set_property(GLOBAL PROPERTY LD_SCRIPT "${NUTTX_BOARD_DIR}/scripts/flash.ld")