quick_dump: Document the register definition format

Add a small comment about what the elements in the register
tuple mean.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/tools/quick_dump/quick_dump.py b/tools/quick_dump/quick_dump.py
index 390cafa4..8fdd1693 100755
--- a/tools/quick_dump/quick_dump.py
+++ b/tools/quick_dump/quick_dump.py
@@ -1,5 +1,12 @@
 #!/usr/bin/env python3
 
+# register definition format:
+# ('register name', 'register offset', 'register type')
+#
+# register types:
+#  '' - normal register
+#  'DPIO' - DPIO register
+
 import argparse
 import os
 import sys