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bcee8d676 dm: gpio: Allow control of GPIO uclass in SPL ... Browse Code »
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At present if CONFIG_SPL_GPIO_SUPPORT is enabled then the GPIO uclass
is included in SPL/TPL without any control for boards. Some boards may
want to disable this to reduce code size where GPIOs are not needed in
SPL or TPL.

Add a new Kconfig option to permit this. Default it to 'y' so that
existing boards work correctly.

Change existing uses of CONFIG_DM_GPIO to CONFIG_IS_ENABLED(DM_GPIO) to
preserve the current behaviour. Also update the 74x164 GPIO driver since
it cannot build with SPL.

This allows us to remove the hacks in config_uncmd_spl.h and
Makefile.uncmd_spl (eventually those files should be removed).

Signed-off-by: Simon Glass
Reviewed-by: Bin Meng

Simon Glass
2019-12-15 08:52:29 +0800

Makefile.uncmd_spl 241 Bytes

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# SPDX-License-Identifier: GPL-2.0+
# Makefile version of include/config_uncmd_spl.h
# TODO: Invent a better way

ifdef CONFIG_SPL_BUILD

ifndef CONFIG_SPL_DM
CONFIG_DM_SERIAL=
CONFIG_DM_I2C=
CONFIG_DM_SPI=
CONFIG_DM_SPI_FLASH=
endif

endif