Add Makefile

Makefile

@@ -0,0 +1,58 @@
+################################################################################
+# Makefile - Build Linux kernel modules with Makefile.kbuild receipe
+#            for building out-of-tree kernel modules
+#
+# Copyright (C) 2015 Advantech Corp., Irvine, CA, USA
+# Author: Richard Vidal-Dorsch <richard.dorsch@advantech.com>
+################################################################################
+
+all: clean modules
+
+EXTRA_CFLAGS += -Wall -O2 -g
+# Uncomment below for Red Hat/CentOS/Scientific Linux <= 7.1
+# EXTRA_CFLAGS += -D__RHEL7__
+
+NAME		:= imanager
+
+DEPMOD		:= $(shell which depmod)
+STRIP		:= $(shell which strip)
+DRVPATH		:= /lib/modules/$(shell uname -r)/extra/$(NAME)
+
+# MFD driver is always anabled.
+CONFIG_MFD		:= m
+CONFIG_GPIO		:= m
+CONFIG_I2C		:= m
+CONFIG_SENSORS		:= m
+CONFIG_BACKLIGHT	:= m
+CONFIG_WDT		:= m
+
+# If KERNELRELEASE is defined, we've been invoked from the
+# kernel build system and can use its language.
+ifneq ($(KERNELRELEASE), )
+
+	ccflags-y += $(EXTRA_CFLAGS) -I$(src)/include
+	include $(src)/Makefile.kbuild
+else
+
+# Otherwise we were called directly from the command
+# line; invoke the kernel build system.
+KDIR   := /lib/modules/$(shell uname -r)/build
+PWD    := $(shell pwd)
+
+endif
+
+modules:
+	$(MAKE) -C $(KDIR) M=$(PWD) modules
+
+clean:
+	$(MAKE) -C $(KDIR) M=$(PWD) clean
+	$(RM) -rf *.bak include/linux/mfd/imanager/*.bak
+
+install: modules
+	$(MAKE) -C $(KDIR) M=$(PWD) INSTALL_MOD_DIR=extra/$(NAME) modules_install
+	$(DEPMOD) -a
+
+uninstall:
+	$(RM) -r $(DRVPATH)
+	$(DEPMOD) -a
+

Makefile.kbuild

@@ -0,0 +1,24 @@
+################################################################################
+# Makefile.kbuild - Build receipe for Linux kernel modules
+#
+# Copyright (C) 2015 Advantech Corp., Irvine, CA, USA
+# Author: Richard Vidal-Dorsch <richard.dorsch@advantech.com>
+################################################################################
+
+$(NAME)-objs			:= $(NAME)-core.o $(NAME)-ec.o
+obj-$(CONFIG_MFD)		+= $(NAME).o
+
+gpio-$(NAME)-objs		:= $(NAME)-gpio.o $(NAME)-ec-gpio.o
+obj-$(CONFIG_GPIO)		+= gpio-$(NAME).o
+
+i2c-$(NAME)-objs		:= $(NAME)-i2c.o $(NAME)-ec-i2c.o
+obj-$(CONFIG_I2C)		+= i2c-$(NAME).o
+
+$(NAME)_hwmon-objs		:= $(NAME)-hwmon.o $(NAME)-ec-hwmon.o
+obj-$(CONFIG_SENSORS)		+= $(NAME)_hwmon.o
+
+$(NAME)_bl-objs			:= $(NAME)-bl.o $(NAME)-ec-bl.o
+obj-$(CONFIG_BACKLIGHT)		+= $(NAME)_bl.o
+
+$(NAME)_wdt-objs		:= $(NAME)-wdt.o $(NAME)-ec-wdt.o
+obj-$(CONFIG_WDT)		+= $(NAME)_wdt.o