diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..d392e4e
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "avr-can-lib"]
+	path = avr-can-lib
+	url = https://github.com/onitake/avr-can-lib
+	branch = atmega32m1
diff --git a/avr-can-lib b/avr-can-lib
new file mode 160000
index 0000000..137b171
--- /dev/null
+++ b/avr-can-lib
@@ -0,0 +1 @@
+Subproject commit 137b1710c49f72fed6f7bb665b8220eae8e14b57