diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..4afc5b7
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "zaf_protocol"]
+	path = zaf_protocol
+	url = zwsd@192.168.1.3:p_camera_light_source_timing_controller/zaf_protocol.git
diff --git a/zaf_protocol b/zaf_protocol
new file mode 160000
index 0000000..1f37a71
--- /dev/null
+++ b/zaf_protocol
@@ -0,0 +1 @@
+Subproject commit 1f37a710c5a4cb8fee30ced8e246488310f9017a