diff --git a/.gitmodules b/.gitmodules
index 3548c22..6f8b872 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,7 @@
 	path = li-mt9m021
 	url = https://git.spirirobotics.com/dchvs/li-mt9m021.git
 	branch = master
+[submodule "mu_kernel_sources"]
+	path = mu_kernel_sources
+	url = https://git.spirirobotics.com/Spiri/mu_kernel_sources.git
+	branch = jetpack-4.2.2-dev
diff --git a/mu_kernel_sources b/mu_kernel_sources
new file mode 160000
index 0000000..7fa28fc
--- /dev/null
+++ b/mu_kernel_sources
@@ -0,0 +1 @@
+Subproject commit 7fa28fcfc45b5eaf96a60e9baf193bc47637ede6