Initial release

Makefile

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+#
+# Copyright (C) 2008-2012 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=gpio-meander
+PKG_RELEASE:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define KernelPackage/gpio-sqwave
+  SUBMENU:=Other modules
+  DEPENDS:=@!LINUX_3_3
+  TITLE:=Timer IRQ handler
+  FILES:=$(PKG_BUILD_DIR)/gpio-sqwave.ko
+  AUTOLOAD:=$(call AutoLoad,30,gpio-sqwave,1)
+  KCONFIG:=
+endef
+
+define KernelPackage/gpio-sqwave/description
+ This is GPIO square wave generator for AR9331 devices.
+endef
+
+MAKE_OPTS:= \
+	ARCH="$(LINUX_KARCH)" \
+	CROSS_COMPILE="$(TARGET_CROSS)" \
+	SUBDIRS="$(PKG_BUILD_DIR)"
+
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)
+	$(CP) ./src/* $(PKG_BUILD_DIR)/
+endef
+
+define Build/Compile
+	$(MAKE) -C "$(LINUX_DIR)" \
+		$(MAKE_OPTS) \
+		modules
+endef
+
+$(eval $(call KernelPackage,gpio-sqwave))

src/Makefile

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+obj-m += gpio-sqwave.o