diff --git a/marvell/uboot/tools/patman/commit.py b/marvell/uboot/tools/patman/commit.py
new file mode 100644
index 0000000..89cce7f
--- /dev/null
+++ b/marvell/uboot/tools/patman/commit.py
@@ -0,0 +1,74 @@
+# Copyright (c) 2011 The Chromium OS Authors.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+import re
+
+# Separates a tag: at the beginning of the subject from the rest of it
+re_subject_tag = re.compile('([^:\s]*):\s*(.*)')
+
+class Commit:
+    """Holds information about a single commit/patch in the series.
+
+    Args:
+        hash: Commit hash (as a string)
+
+    Variables:
+        hash: Commit hash
+        subject: Subject line
+        tags: List of maintainer tag strings
+        changes: Dict containing a list of changes (single line strings).
+            The dict is indexed by change version (an integer)
+        cc_list: List of people to aliases/emails to cc on this commit
+        notes: List of lines in the commit (not series) notes
+    """
+    def __init__(self, hash):
+        self.hash = hash
+        self.subject = None
+        self.tags = []
+        self.changes = {}
+        self.cc_list = []
+        self.notes = []
+
+    def AddChange(self, version, info):
+        """Add a new change line to the change list for a version.
+
+        Args:
+            version: Patch set version (integer: 1, 2, 3)
+            info: Description of change in this version
+        """
+        if not self.changes.get(version):
+            self.changes[version] = []
+        self.changes[version].append(info)
+
+    def CheckTags(self):
+        """Create a list of subject tags in the commit
+
+        Subject tags look like this:
+
+            propounder: fort: Change the widget to propound correctly
+
+        Here the tags are propounder and fort. Multiple tags are supported.
+        The list is updated in self.tag.
+
+        Returns:
+            None if ok, else the name of a tag with no email alias
+        """
+        str = self.subject
+        m = True
+        while m:
+            m = re_subject_tag.match(str)
+            if m:
+                tag = m.group(1)
+                self.tags.append(tag)
+                str = m.group(2)
+        return None
+
+    def AddCc(self, cc_list):
+        """Add a list of people to Cc when we send this patch.
+
+        Args:
+            cc_list:    List of aliases or email addresses
+        """
+        self.cc_list += cc_list