linux: add ev3dev extension
This adds an ev3dev Linux drivers extension that provides Linux kernel
drivers for LEGO MINDSTORMS EV3 from the ev3dev project.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
diff --git a/linux/linux-ext-ev3dev-linux-drivers.mk b/linux/linux-ext-ev3dev-linux-drivers.mk
new file mode 100644
index 0000000..c8afeeb
--- /dev/null
+++ b/linux/linux-ext-ev3dev-linux-drivers.mk
@@ -0,0 +1,12 @@
+################################################################################
+# Linux ev3dev extensions
+#
+# Patch the linux kernel with ev3dev extension
+################################################################################
+
+LINUX_EXTENSIONS += ev3dev-linux-drivers
+
+define EV3DEV_LINUX_DRIVERS_PREPARE_KERNEL
+ mkdir -p $(LINUX_DIR)/drivers/lego
+ cp -dpfr $(EV3DEV_LINUX_DRIVERS_DIR)/* $(LINUX_DIR)/drivers/lego/
+endef
