diff --git a/drivers/memory/of_memory.h b/drivers/memory/of_memory.h
new file mode 100644
index 0000000..20b496e
--- /dev/null
+++ b/drivers/memory/of_memory.h
@@ -0,0 +1,36 @@
+/*
+ * OpenFirmware helpers for memory drivers
+ *
+ * Copyright (C) 2012 Texas Instruments, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __LINUX_MEMORY_OF_REG_H
+#define __LINUX_MEMORY_OF_REG_H
+
+#ifdef CONFIG_OF
+extern const struct lpddr2_min_tck *of_get_min_tck(struct device_node *np,
+		struct device *dev);
+extern const struct lpddr2_timings
+	*of_get_ddr_timings(struct device_node *np_ddr, struct device *dev,
+	u32 device_type, u32 *nr_frequencies);
+#else
+static inline const struct lpddr2_min_tck
+	*of_get_min_tck(struct device_node *np, struct device *dev)
+{
+	return NULL;
+}
+
+static inline const struct lpddr2_timings
+	*of_get_ddr_timings(struct device_node *np_ddr, struct device *dev,
+	u32 device_type, u32 *nr_frequencies)
+{
+	return NULL;
+}
+#endif /* CONFIG_OF */
+
+#endif /* __LINUX_MEMORY_OF_REG_ */