diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..33da6b5
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "utils/ethercat_src"]
+	path = utils/ethercat_src
+	url = https://github.com/r2k-in-the-vortex/ethercat_src.git
diff --git a/utils/ethercat_src b/utils/ethercat_src
new file mode 160000
index 0000000..906092f
--- /dev/null
+++ b/utils/ethercat_src
@@ -0,0 +1 @@
+Subproject commit 906092f407638c426ed7d37e4ad1b6db7333649f