############################################################################
# drivers/ioexpander/Make.defs
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.  The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################

# Check if I/O expander support is enabled

ifeq ($(CONFIG_IOEXPANDER),y)

# Include the selected I/O expander drivers

ifeq ($(CONFIG_IOEXPANDER_PCA9555),y)
  CSRCS += pca9555.c
endif

ifeq ($(CONFIG_IOEXPANDER_PCA9538),y)
  CSRCS += pca9538.c
endif

ifeq ($(CONFIG_IOEXPANDER_TCA64XX),y)
  CSRCS += tca64xx.c
endif

ifeq ($(CONFIG_IOEXPANDER_PCF8574),y)
  CSRCS += pcf8574.c
endif

ifeq ($(CONFIG_IOEXPANDER_MCP23X17),y)
  CSRCS += mcp23x17.c
endif

endif # CONFIG_IOEXPANDER

# GPIO test device driver (independent of IOEXPANDERS)

ifeq ($(CONFIG_DEV_GPIO),y)
  CSRCS += gpio.c
ifeq ($(CONFIG_GPIO_LOWER_HALF),y)
  CSRCS += gpio_lower_half.c
endif
endif

# The following implements an awkward OR

ifeq ($(CONFIG_IOEXPANDER),y)

# Include ioexpander I/O device driver build support

DEPPATH += --dep-path ioexpander
VPATH += :ioexpander
CFLAGS += ${shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)ioexpander}

else ifeq ($(CONFIG_DEV_GPIO),y)

# Include ioexpander I/O device driver build support

DEPPATH += --dep-path ioexpander
VPATH += :ioexpander
CFLAGS += ${shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)ioexpander}

endif