diff --git a/.mypy.ini b/.mypy.ini
new file mode 100644
index 00000000..9789f51f
--- /dev/null
+++ b/.mypy.ini
@@ -0,0 +1,5 @@
+[mypy]
+disable_error_code=import-untyped,var-annotated,import-not-found
+
+[mypy-chirp.drivers.*]
+disable_error_code=assignment
diff --git a/tox.ini b/tox.ini
index 1b7b1a59..dc78f07c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,8 +23,10 @@ sitepackages = False
 deps =
     pep8
     flake8
+    mypy
 commands =
     python ./tools/cpep8.py {posargs}
+    mypy --config-file .mypy.ini chirp --exclude='/drivers/*' --exclude='chirp/share/*'
 
 [textenv:py3clean]
 commands =