ifneq (,$(filter saul_default,$(USEMODULE)))
  USEMODULE += saul_gpio
endif

ifneq (,$(filter mtd,$(USEMODULE)))
  FEATURES_REQUIRED += periph_spi_on_qspi
  USEMODULE += mtd_spi_nor
endif

# default to using littlefs2 on the external flash
ifneq (,$(filter vfs_default,$(USEMODULE)))
  USEPKG += littlefs2
  USEMODULE += mtd
endif

# setup the samd21 arduino bootloader related dependencies
include $(RIOTBOARD)/common/samdx1-arduino-bootloader/Makefile.dep