diff --git a/.gitignore b/.gitignore
index c682507..f1ea227 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
-CHIP-tools/
+CHIP-tools/.dl
+CHIP-tools/.git
+CHIP-tools/.new
 sunxi-tools/
diff --git a/CHIP-tools b/CHIP-tools
new file mode 160000
index 0000000..22a800e
--- /dev/null
+++ b/CHIP-tools
@@ -0,0 +1 @@
+Subproject commit 22a800e5ce9fb39cd3d23cf97b1305e543a6adc2