f5b17d4138
It's confusing that "address" is often used within the same function to refer to both node paths and e.g. address cells. Make things easier to understand by calling /foo/bar a path instead. Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
#
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# Copyright (c) 2018 Bobby Noelte
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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from extract.globals import *
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from extract.directive import DTDirective
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##
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# @brief Manage pinctrl-x directive.
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#
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class DTPinCtrl(DTDirective):
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def __init__(self):
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pass
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##
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# @brief Extract pinctrl information.
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#
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# @param node_path Path to node owning the pinctrl definition.
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# @param prop pinctrl-x key
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# @param def_label Define label string of client node owning the pinctrl
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# definition.
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#
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def extract(self, node_path, prop, def_label):
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pinconf = reduced[node_path]['props'][prop]
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prop_list = []
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if not isinstance(pinconf, list):
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prop_list.append(pinconf)
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else:
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prop_list = list(pinconf)
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def_prefix = def_label.split('_')
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prop_def = {}
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for p in prop_list:
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pin_node_path = phandles[p]
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pin_subnode = '/'.join(pin_node_path.split('/')[-1:])
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cell_yaml = get_binding(pin_node_path)
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cell_prefix = 'PINMUX'
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post_fix = []
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if cell_prefix is not None:
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post_fix.append(cell_prefix)
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for subnode in reduced:
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if pin_subnode in subnode and pin_node_path != subnode:
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# found a subnode underneath the pinmux handle
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pin_label = def_prefix + post_fix + subnode.split('/')[-2:]
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for i, cells in enumerate(reduced[subnode]['props']):
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key_label = list(pin_label) + \
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[cell_yaml['#cells'][0]] + [str(i)]
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func_label = key_label[:-2] + \
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[cell_yaml['#cells'][1]] + [str(i)]
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key_label = str_to_label('_'.join(key_label))
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func_label = str_to_label('_'.join(func_label))
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prop_def[key_label] = cells
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prop_def[func_label] = \
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reduced[subnode]['props'][cells]
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insert_defs(node_path, prop_def, {})
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##
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# @brief Management information for pinctrl-[x].
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pinctrl = DTPinCtrl()
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