Buildroot included

Config.in

@@ -0,0 +1,10 @@
+config BR2_PACKAGE_SHARP_DRM
+	bool "sharp_drm"
+	default y
+	depends on BR2_LINUX_KERNEL
+	select BR2_PACKAGE_LIBDRM
+	select BR2_PACKAGE_SPI
+	select BR2_PACKAGE_GPIO
+	select BR2_PACKAGE_RASPI_GPIO
+	help
+	  DRM driver for Sharp Memory LCD

Makefile

@@ -1,12 +1,11 @@
 obj-m += sharp.o
-sharp-objs += main.o drm_iface.o params_iface.o ioctl_iface.o
+sharp-objs += src/main.o src/drm_iface.o src/params_iface.o src/ioctl_iface.o
+ccflags-y := -DDEBUG -g -std=gnu99 -Wno-declaration-after-statement
 
-export KROOT=/lib/modules/$(shell uname -r)/build
+.PHONY: all clean
 
-all:  modules
+all:
+	$(MAKE) -C '$(LINUX_DIR)' M='$(PWD)' modules
 
-modules modules_install clean::
+clean:
-	@$(MAKE) -C $(KROOT) M=$(shell pwd) $@
+	$(MAKE) -C '$(LINUX_DIR)' M='$(PWD)' clean
-
-clean::
-	rm -rf   Module.symvers modules.order

init/S01sharp

@@ -0,0 +1,35 @@
+#!/bin/sh
+#
+# sharp_drm        Loads sharp_drm driver.
+#
+
+umask 077
+
+start() {
+	/sbin/modprobe sharp
+	echo "OK"
+}
+stop() {
+	echo "OK"
+}
+restart() {
+	stop
+	start
+}
+
+case "$1" in
+  start)
+	start
+	;;
+  stop)
+	stop
+	;;
+  restart|reload)
+	restart
+	;;
+  *)
+	echo "Usage: $0 {start|stop|restart}"
+	exit 1
+esac
+
+exit $?

sharp.mk

@@ -0,0 +1,25 @@
+SHARP_VERSION = 1.0
+SHARP_SITE = $(BR2_EXTERNAL_BB_DRIVERS_PATH)/package/sharp
+SHARP_SITE_METHOD = local
+
+SHARP_INSTALL_IMAGES = YES
+SHARP_MODULE_SUBDIRS = .
+
+define SHARP_BUILD_CMDS
+	for dts in $(@D)/*.dts; do \
+		$(HOST_DIR)/bin/dtc -@ -I dts -O dtb -W no-unit_address_vs_reg -o $${dts%.dts}.dtbo $${dts}; \
+	done
+endef
+
+define SHARP_INSTALL_TARGET_CMDS
+	$(INSTALL) -D -m 0755 $(@D)/init/S01sharp $(TARGET_DIR)/etc/init.d/;
+endef
+
+define SHARP_INSTALL_IMAGES_CMDS
+	for dtbo in $(@D)/*.dtbo; do \
+		$(INSTALL) -D -m 0644 $${dtbo} $(BINARIES_DIR)/rpi-firmware/overlays; \
+	done
+endef
+
+$(eval $(kernel-module))
+$(eval $(generic-package))