diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..95975258
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "laditools"]
+	path = laditools
+	url = git://repo.or.cz/laditools.git
diff --git a/laditools b/laditools
new file mode 160000
index 00000000..41b44721
--- /dev/null
+++ b/laditools
@@ -0,0 +1 @@
+Subproject commit 41b44721c1d3b29fdc5912e0ce3fd21b855de051