ccflags-$(CONFIG_CAIF_DEBUG) := -DDEBUG
  
  # Serial interface
  obj-$(CONFIG_CAIF_TTY) += caif_serial.o
  
  # SPI slave physical interfaces module
  cfspi_slave-objs := caif_spi.o caif_spi_slave.o
  obj-$(CONFIG_CAIF_SPI_SLAVE) += cfspi_slave.o
  
  # HSI interface
  obj-$(CONFIG_CAIF_HSI) += caif_hsi.o
  
  # Virtio interface
  obj-$(CONFIG_CAIF_VIRTIO) += caif_virtio.o