74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
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#
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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_address Address of node owning the pinctrl definition.
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# @param yaml YAML definition for the owning node.
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# @param prop pinctrl-x key
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# @param names Names assigned to pinctrl state pinctrl-<index>.
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# @param[out] defs Property definitions for each node address
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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_address, yaml, prop, names, defs, def_label):
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pinconf = reduced[node_address]['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_address = phandles[p]
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pin_subnode = '/'.join(pin_node_address.split('/')[-1:])
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cell_yaml = yaml[get_compat(pin_node_address)]
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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.keys():
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if pin_subnode in subnode and pin_node_address != 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 = convert_string_to_label('_'.join(key_label))
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func_label = convert_string_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_address, defs, 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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