diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..42fc9b9
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "plutosdr-fw"]
+	path = plutosdr-fw
+	url = https://github.com/analogdevicesinc/plutosdr-fw.git
diff --git a/plutosdr-fw b/plutosdr-fw
new file mode 160000
index 0000000..6666e50
--- /dev/null
+++ b/plutosdr-fw
@@ -0,0 +1 @@
+Subproject commit 6666e500a2fca43dd34cdb6133c2eba287482201