diff options
Diffstat (limited to 'tools/dtoc/dtb_platdata.py')
| -rw-r--r-- | tools/dtoc/dtb_platdata.py | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tools/dtoc/dtb_platdata.py b/tools/dtoc/dtb_platdata.py index ef0454c890..f6dcf47d49 100644 --- a/tools/dtoc/dtb_platdata.py +++ b/tools/dtoc/dtb_platdata.py @@ -647,6 +647,29 @@ class DtbPlatdata(): self._output_prop(node, node.props[pname]) self.buf('};\n') + def read_aliases(self): + """Read the aliases and attach the information to self._alias + + Raises: + ValueError: The alias path is not found + """ + alias_node = self._fdt.GetNode('/aliases') + if not alias_node: + return + re_num = re.compile('(^[a-z0-9-]+[a-z]+)([0-9]+)$') + for prop in alias_node.props.values(): + m_alias = re_num.match(prop.name) + if not m_alias: + raise ValueError("Cannot decode alias '%s'" % prop.name) + name, num = m_alias.groups() + node = self._fdt.GetNode(prop.value) + result = self._scan.add_uclass_alias(name, num, node) + if result is None: + raise ValueError("Alias '%s' path '%s' not found" % + (prop.name, prop.value)) + elif result is False: + print("Could not find uclass for alias '%s'" % prop.name) + def process_nodes(self, need_drivers): nodes_to_output = list(self._valid_nodes) @@ -757,6 +780,9 @@ def run_steps(args, dtb_file, include_disabled, output, output_dirs, phase, scan (src_src.Scanner): Scanner from a previous run. This can help speed up tests. Use None for normal operation + Returns: + DtbPlatdata object + Raises: ValueError: if args has no command, or an unknown command """ @@ -782,6 +808,7 @@ def run_steps(args, dtb_file, include_disabled, output, output_dirs, phase, plat.scan_phandles() if do_process: plat.process_nodes(False) + plat.read_aliases() cmds = args[0].split(',') if 'all' in cmds: @@ -796,3 +823,4 @@ def run_steps(args, dtb_file, include_disabled, output, output_dirs, phase, plat.out_header(outfile) outfile.method(plat) plat.finish_output() + return plat |