zephyr: battery: deprecate named-batteries
Add a comment that named-batteries is deprecated so that users don't
extend this file.
BRANCH=none
TEST=commit-queue
@@ -2,7 +2,11 @@ description: Named Batteries parent node
compatible: "named-batteries"
-# TODO(b/183544739): Move this to use compatible strings
+# TODO(b/218888909): Delete this file after all boards have been converted to
+# use the "batteries" node
+
+# This file is deprecated. Do not additional enum-name. Instead create
+# a new battery descriptor file matching the battery-info.yaml format.
child-binding:
description: Named batteries child node
