add pinmux docs

[pinmux.git] / src / spec / testing_stage1.py

diff --git a/src/spec/testing_stage1.py b/src/spec/testing_stage1.py
index 751665b69d3c02d1a43079ef2a90d6b2440c9f97..a2f1c5c5959d321999ae1bbdf861d414dd5c01a1 100644 (file)
--- a/src/spec/testing_stage1.py
+++ b/src/spec/testing_stage1.py
@@ -1,4 +1,7 @@
 #!/usr/bin/env python3
+"""
+pinmux documented here https://libre-soc.org/docs/pinmux/
+"""
 from nmigen.build.dsl import Resource, Subsignal, Pins
 from nmigen.build.plat import TemplatedPlatform
 from nmigen.build.res import ResourceManager, ResourceError