diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..0cef98c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "ThreadX"]
+	path = ThreadX
+	url = https://github.com/eclipse-threadx/threadx.git
diff --git a/ThreadX b/ThreadX
new file mode 160000
index 0000000..485a02f
--- /dev/null
+++ b/ThreadX
@@ -0,0 +1 @@
+Subproject commit 485a02faec6edccef14812ddce6844af1d7d2eef