diff --git a/.gitmodules b/.gitmodules
index e69de29..c79fb37 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "CMSIS_5"]
+	path = CMSIS_5
+	url = https://github.com/ARM-software/CMSIS_5.git
+[submodule "NXP_LPC"]
+	path = NXP_LPC
+	url = https://github.com/ARM-software/NXP_LPC.git
diff --git a/CMSIS_5 b/CMSIS_5
new file mode 160000
index 0000000..ffbbd7f
--- /dev/null
+++ b/CMSIS_5
@@ -0,0 +1 @@
+Subproject commit ffbbd7fc7f93cc96a6d236f2653c14d11b2db331
diff --git a/NXP_LPC b/NXP_LPC
new file mode 160000
index 0000000..7bdff1d
--- /dev/null
+++ b/NXP_LPC
@@ -0,0 +1 @@
+Subproject commit 7bdff1d436672cde095f89e4963e3ebdc381d8d5