diff --git a/lts/config.py b/lts/config.py
new file mode 100644
index 0000000..8caed11
--- /dev/null
+++ b/lts/config.py
@@ -0,0 +1,5 @@
+MESSAGE_TOKENS = r'fix\(cpus\)|revert\(cpus\)|fix\(errata\)|\(security\)|erratum|sden|workaround'
+CPU_PATH_TOKEN = r'lib/cpus/aarch(32|64)/.*\.S'
+CPU_ERRATA_TOKEN = r'^check_erratum_|^workaround_start|^workaround.*_start'
+DOC_PATH_TOKEN = r'docs/design/cpu-specific-build-macros.rst|lib/cpus/cpu-ops\.mk"'
+DOC_ERRATA_TOKEN = r'^^-\s*``ERRATA_'