diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..370116a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "embedded-common"]
+	path = embedded-common
+	url = ./embedded-common
diff --git a/embedded-common b/embedded-common
new file mode 160000
index 0000000..25a9ebe
--- /dev/null
+++ b/embedded-common
@@ -0,0 +1 @@
+Subproject commit 25a9ebe3f336d81954d227d56420f18ff5c93915