devtools: add script to check for non inclusive naming

diff --git a/MAINTAINERS b/MAINTAINERS
index 8df23e50999f..141d70596020 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -89,6 +89,7 @@  F: devtools/check-doc-vs-code.sh
 F: devtools/check-dup-includes.sh
 F: devtools/check-maintainers.sh
 F: devtools/check-forbidden-tokens.awk
+F: devtools/check-inclusive-naming.py
 F: devtools/check-git-log.sh
 F: devtools/check-spdx-tag.sh
 F: devtools/check-symbol-change.sh
diff --git a/devtools/check-inclusive-naming.py b/devtools/check-inclusive-naming.py
new file mode 100755
index 000000000000..916d49aa2ecf
--- /dev/null
+++ b/devtools/check-inclusive-naming.py
@@ -0,0 +1,137 @@ 
+#!/usr/bin/env python3
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright 2023 Stephen Hemminger
+#
+# This script scans the source tree and creates list of files
+# containing words that are recommended to avoided by the
+# Inclusive Naming Initiative.
+# See: https://inclusivenaming.org/word-lists/
+
+"""Script to run git grep to finds strings in inclusive naming word list."""
+
+import argparse
+import json
+import subprocess
+import sys
+from urllib.request import urlopen
+
+WORDLIST_URL = 'https://inclusivenaming.org/word-lists/index.json'
+
+# These give false positives
+dont_scan = [
+    'doc/guides/rel_notes/',
+    'doc/guides/contributing/coding_style.rst'
+    'doc/guides/prog_guide/glossary.rst'
+]
+
+
+def args_parse():
+    "parse arguments and return the argument object back to main"
+
+    parser = argparse.ArgumentParser(
+        description="Identify word usage not aligned with inclusive naming")
+    parser.add_argument("-c",
+                        "--count",
+                        help="Show the number of lines that match",
+                        action='store_true')
+    parser.add_argument("-d",
+                        "--debug",
+                        default=False,
+                        help="Debug this script",
+                        action='store_true')
+    parser.add_argument("-l",
+                        "--files-with-matches",
+                        help="Show only names of files with hits",
+                        action='store_true')
+    parser.add_argument("-n",
+                        "--line-number",
+                        help="Prefix with line number to matching lines",
+                        action='store_true')
+    # note: tier 0 is "OK to use"
+    parser.add_argument("-t",
+                        "--tier",
+                        type=int,
+                        choices=range(0, 4),
+                        action='append',
+                        help="Show non-conforming words of particular tier")
+    parser.add_argument('-x',
+                        "--exclude",
+                        default=dont_scan,
+                        action='append',
+                        help="Exclude path from scan")
+    parser.add_argument('--url',
+                        default=WORDLIST_URL,
+                        help="URL for the non-inclusive naming word list")
+    parser.add_argument('paths', nargs='*',
+                        help='files and directory to scan')
+
+    return parser.parse_args()
+
+
+def fetch_wordlist(url, tiers):
+    "Read list of words from inclusivenaming.org"
+
+    # The word list is returned as JSON like:
+    # {
+    # "data" :
+    #         [
+    #             {
+    #                 "term": "abort",
+    #                 "tier" : "1",
+    #                 "recommendation": "Replace when possible.",
+    # ...
+    with urlopen(url) as response:
+        entries = json.loads(response.read())['data']
+
+    wordlist = []
+    for item in entries:
+        tier = int(item['tier'])
+        if tiers.count(tier) > 0:
+            # convert minus sign to minus or space regex
+            pattern = item['term'].replace('-', '[- ]')
+            wordlist.append(pattern.lower())
+    return wordlist
+
+
+def git_args(args):
+    "Construct command line based on args"
+
+    # Default to Tier 1, 2 and 3.
+    if args.tier:
+        tiers = args.tier
+    else:
+        tiers = list(range(1, 4))
+
+    wordlist = fetch_wordlist(args.url, tiers)
+    if args.debug:
+        print(f"Matching on: {wordlist}")
+
+    cmd = ['git', 'grep', '-i']
+    if args.files_with_matches:
+        cmd.append('-l')
+    if args.count:
+        cmd.append('-c')
+    if args.line_number:
+        cmd.append('-n')
+    for word in wordlist:
+        cmd.append('-e')
+        cmd.append(word)
+    cmd.append('--')
+    # convert the dont_scan paths to regexp
+    for path in dont_scan:
+        cmd.append(f":^{path}")
+    cmd += args.paths
+    if args.debug:
+        print(cmd)
+    return cmd
+
+
+def main():
+    "decode command line arguments then run setup to run"
+
+    grep = subprocess.run(git_args(args_parse()), check=False)
+    sys.exit(grep.returncode)
+
+
+if __name__ == "__main__":
+    main()