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Most of these are from source'ing a file within an 'if GPIO', and then
adding another 'depends on GPIO' within it.
'if FOO' is just shorthand for adding 'depends on FOO' to each item
within the 'if'. There are no "conditional includes" in Kconfig, so
'if FOO' has no special meaning around a 'source'. Conditional includes
wouldn't be possible, because an 'if' condition could include (directly
or indirectly) forward references to symbols not defined yet.
Tip: When adding a symbol, check its dependencies in the menuconfig
('ninja menuconfig', then / to jump to the symbol). The menuconfig also
shows how the file with the symbol got included, so if you see
duplicated dependencies, it's easy to hunt down where they come from.
Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>
12 lines
301 B
Plaintext
12 lines
301 B
Plaintext
# Kconfig.sam - Atmel SAM GPIO configuration options
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#
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# Copyright (c) 2018 Justin Watson
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# SPDX-License-Identifier: Apache-2.0
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menuconfig GPIO_SAM
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bool "Atmel SAM GPIO (PORT) driver"
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depends on SOC_FAMILY_SAM
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select HAS_DTS_GPIO
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help
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Enable support for the Atmel SAM 'PORT' GPIO controllers.
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