Adding NXP runtime.

Author: jirioc

CMakeLists.txt

@@ -170,6 +170,8 @@ option(EXECUTORCH_BUILD_ARM_BAREMETAL
        "Build the Arm Baremetal flow for Cortex-M and Ethos-U" OFF
 )
 
+option(EXECUTORCH_BUILD_NXP_NEUTRON "Build the NXP Neutron NPU library" OFF)
+
 option(EXECUTORCH_BUILD_COREML "Build the Core ML backend" OFF)
 
 option(EXECUTORCH_BUILD_KERNELS_CUSTOM "Build the custom kernels" OFF)
@@ -710,6 +712,10 @@ if(EXECUTORCH_BUILD_CADENCE)
   add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/backends/cadence)
 endif()
 
+if(EXECUTORCH_BUILD_NXP_NEUTRON)
+  add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/backends/nxp)
+endif()
+
 if(EXECUTORCH_BUILD_COREML)
   add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/backends/apple/coreml)
 endif()

backends/nxp/CMakeLists.txt

@@ -0,0 +1,28 @@
+# Copyright 2024 NXP
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
+cmake_minimum_required(VERSION 3.19)
+project(neutron_backend)
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+# Source root directory for executorch.
+if(NOT EXECUTORCH_ROOT)
+  set(EXECUTORCH_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../..)
+endif()
+
+include(${EXECUTORCH_ROOT}/tools/cmake/Utils.cmake)
+
+set(_common_include_directories ${EXECUTORCH_ROOT}/.. ${EXECUTORCH_ROOT}/runtime/core/portable_type/c10)
+add_compile_definitions(C10_USING_CUSTOM_GENERATED_MACROS)
+
+set(_neutron_sources backends/nxp/runtime/NeutronBackend.cpp )
+
+list(TRANSFORM _neutron_sources PREPEND "${EXECUTORCH_ROOT}/")
+
+add_library(executorch_delegate_neutron STATIC ${_neutron_sources})
+target_include_directories(
+  executorch_delegate_neutron PUBLIC ${_common_include_directories}
+)