diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..c7bb97f
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "ql570"]
+	path = ql570
+	url = https://github.com/sudomesh/ql570.git
diff --git a/ql570 b/ql570
new file mode 160000
index 0000000..166afdd
--- /dev/null
+++ b/ql570
@@ -0,0 +1 @@
+Subproject commit 166afdd26a41c6b96edc1f9c5eea06cb2d36a91d