diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..8b4feec
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "SDK"]
+	path = SDK
+	url = https://github.com/m5stack/M5Stack_Linux_Libs.git