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https://github.com/zephyrproject-rtos/zephyr
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35ecc78cdf
Add support to generate defines of the form DT_<COMPAT>_<INSTANCE>_<PROP>. The idea is that we can utilize this in drivers to remove the need for dts_fixup.h. The <INSTANCE> value is determined by the script and starts at 0 and counts up for each instance of a given <COMPAT>. Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
82 lines
2.5 KiB
Python
82 lines
2.5 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_address Address of 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_address, prop, def_label):
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# compatible definition
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binding = get_binding(node_address)
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compatible = reduced[node_address]['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's
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compat_label = convert_string_to_label(str(comp))
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compat_defs = 'DT_COMPAT_' + compat_label
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load_defs = {
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compat_defs: "1",
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}
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insert_defs(node_address, load_defs, {})
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# Generate #define for BUS a "sensor" might be on
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# 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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bus = binding['parent']['bus']
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compat_defs = 'DT_' + compat_label + '_BUS_' + bus.upper()
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load_defs = {
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compat_defs: "1",
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}
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insert_defs(node_address, load_defs, {})
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# Generate defines of the form:
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# #define DT_<COMPAT>_<INSTANCE ID> 1
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instance = reduced[node_address]['instance_id']
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for k in instance:
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i = instance[k]
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compat_instance = 'DT_' + convert_string_to_label(k) + '_' + str(i)
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load_defs = {
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compat_instance: "1",
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}
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insert_defs(node_address, load_defs, {})
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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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compat_instance += '_BUS_' + bus.upper()
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load_defs = {
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compat_instance: "1",
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}
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insert_defs(node_address, load_defs, {})
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##
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# @brief Management information for compatible.
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compatible = DTCompatible()
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