diff options
-rw-r--r-- | Documentation/devicetree/bindings/Makefile | 3 | ||||
-rw-r--r-- | Makefile | 4 | ||||
-rwxr-xr-x | scripts/dtc/dt-extract-compatibles | 69 |
3 files changed, 76 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile index 1eaccf135b30..bf2d8a8ced77 100644 --- a/Documentation/devicetree/bindings/Makefile +++ b/Documentation/devicetree/bindings/Makefile @@ -75,3 +75,6 @@ always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dtb, # build artifacts here before they are processed by scripts/Makefile.clean clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \ -name '*.example.dtb' \) -delete 2>/dev/null) + +dt_compatible_check: $(obj)/processed-schema.json + $(Q)$(srctree)/scripts/dtc/dt-extract-compatibles $(srctree) | xargs dt-check-compatible -v -s $< @@ -1419,6 +1419,10 @@ PHONY += dt_binding_check dt_binding_check: scripts_dtc $(Q)$(MAKE) $(build)=Documentation/devicetree/bindings +PHONY += dt_compatible_check +dt_compatible_check: dt_binding_check + $(Q)$(MAKE) $(build)=Documentation/devicetree/bindings $@ + # --------------------------------------------------------------------------- # Modules diff --git a/scripts/dtc/dt-extract-compatibles b/scripts/dtc/dt-extract-compatibles new file mode 100755 index 000000000000..a1119762ed08 --- /dev/null +++ b/scripts/dtc/dt-extract-compatibles @@ -0,0 +1,69 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0-only + +import os +import glob +import re +import argparse + + +def parse_of_declare_macros(data): + """ Find all compatible strings in OF_DECLARE() style macros """ + compat_list = [] + # CPU_METHOD_OF_DECLARE does not have a compatible string + for m in re.finditer(r'(?<!CPU_METHOD_)(IRQCHIP|OF)_(DECLARE|MATCH)(_DRIVER)?\(.*?\)', data): + try: + compat = re.search(r'"(.*?)"', m[0])[1] + except: + # Fails on compatible strings in #define, so just skip + continue + compat_list += [compat] + + return compat_list + + +def parse_of_device_id(data): + """ Find all compatible strings in of_device_id structs """ + compat_list = [] + for m in re.finditer(r'of_device_id\s+[a-zA-Z0-9_]+\[\]\s*=\s*({.*?);', data): + compat_list += re.findall(r'\.compatible\s+=\s+"([a-zA-Z0-9_\-,]+)"', m[1]) + + return compat_list + + +def parse_compatibles(file): + with open(file, 'r', encoding='utf-8') as f: + data = f.read().replace('\n', '') + + compat_list = parse_of_declare_macros(data) + compat_list += parse_of_device_id(data) + + return compat_list + +def print_compat(filename, compatibles): + if not compatibles: + return + if show_filename: + compat_str = ' '.join(compatibles) + print(filename + ": compatible(s): " + compat_str) + else: + print(*compatibles, sep='\n') + +show_filename = False + +if __name__ == "__main__": + ap = argparse.ArgumentParser() + ap.add_argument("cfile", type=str, nargs='*', help="C source files or directories to parse") + ap.add_argument('-H', '--with-filename', help="Print filename with compatibles", action="store_true") + args = ap.parse_args() + + show_filename = args.with_filename + + for f in args.cfile: + if os.path.isdir(f): + for filename in glob.iglob(f + "/**/*.c", recursive=True): + compat_list = parse_compatibles(filename) + print_compat(filename, compat_list) + else: + compat_list = parse_compatibles(f) + print_compat(f, compat_list) |