diff --git a/arch/arm/mach-versatile/clock.h b/arch/arm/mach-versatile/clock.h
new file mode 100644
index 0000000..8b0b61d
--- /dev/null
+++ b/arch/arm/mach-versatile/clock.h
@@ -0,0 +1,25 @@
+/*
+ *  linux/arch/arm/mach-versatile/clock.h
+ *
+ *  Copyright (C) 2004 ARM Limited.
+ *  Written by Deep Blue Solutions Limited.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+struct module;
+struct icst307_params;
+
+struct clk {
+	struct list_head	node;
+	unsigned long		rate;
+	struct module		*owner;
+	const char		*name;
+	const struct icst307_params *params;
+	void			*data;
+	void			(*setvco)(struct clk *, struct icst307_vco vco);
+};
+
+int clk_register(struct clk *clk);
+void clk_unregister(struct clk *clk);