diff --git a/.gitmodules b/.gitmodules
index e69de29b..1481ef2b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "lib"]
+	path = lib
+	url = https://github.com/PJ-568/568tools.git
+	branch = tools
diff --git a/lib b/lib
new file mode 160000
index 00000000..6faf5c92
--- /dev/null
+++ b/lib
@@ -0,0 +1 @@
+Subproject commit 6faf5c92c2e880314b021aae28d7e19b6ea685e2