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>
70 lines
2.1 KiB
Python
70 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 compatible directives.
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#
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# Handles:
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# - compatible
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#
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class DTCompatible(DTDirective):
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def __init__(self):
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pass
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##
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# @brief Extract compatible
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#
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# @param node_path Path to node owning the
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# compatible definition.
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# @param prop compatible property name
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# @param def_label Define label string of node owning the
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# compatible definition.
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#
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def extract(self, node_path, prop, def_label):
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# compatible definition
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binding = get_binding(node_path)
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compatible = reduced[node_path]['props'][prop]
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if not isinstance(compatible, list):
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compatible = [compatible, ]
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for i, comp in enumerate(compatible):
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# Generate #define
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insert_defs(node_path,
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{'DT_COMPAT_' + str_to_label(comp): '1'},
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{})
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# Generate #define for BUS a "sensor" might be on, for example
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# #define DT_ST_LPS22HB_PRESS_BUS_SPI 1
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if 'parent' in binding:
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compat_def = 'DT_' + str_to_label(comp) + '_BUS_' + \
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binding['parent']['bus'].upper()
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insert_defs(node_path, {compat_def: '1'}, {})
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# Generate defines of the form:
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# #define DT_<COMPAT>_<INSTANCE ID> 1
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for compat, instance_id in reduced[node_path]['instance_id'].items():
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compat_instance = 'DT_' + str_to_label(compat) + '_' + str(instance_id)
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insert_defs(node_path, {compat_instance: '1'}, {})
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# Generate defines of the form:
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# #define DT_<COMPAT>_<INSTANCE ID>_BUS_<BUS> 1
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if 'parent' in binding:
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bus = binding['parent']['bus']
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insert_defs(node_path,
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{compat_instance + '_BUS_' + bus.upper(): '1'},
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{})
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##
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# @brief Management information for compatible.
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compatible = DTCompatible()
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