diff --git a/.gitmodules b/.gitmodules
index d0b73e2ecf..2d28230a83 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -42,3 +42,6 @@
 [submodule "lib/pico-sdk"]
 	path = lib/pico-sdk
 	url = https://github.com/raspberrypi/pico-sdk.git
+[submodule "lib/fsp"]
+	path = lib/fsp
+	url = https://github.com/renesas/fsp.git
diff --git a/lib/fsp b/lib/fsp
new file mode 160000
index 0000000000..55bffd3a71
--- /dev/null
+++ b/lib/fsp
@@ -0,0 +1 @@
+Subproject commit 55bffd3a71cbeed2104cf30e7a39b641d8c1ff48