ns9xxx: add clock api

Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>

1 files changed, 35 insertions, 0 deletions

diff --git a/arch/arm/mach-ns9xxx/clock.h b/arch/arm/mach-ns9xxx/clock.h
new file mode 100644
index 000000000000..b86c30dd79eb
--- /dev/null
+++ b/arch/arm/mach-ns9xxx/clock.h
@@ -0,0 +1,35 @@
+/*
+ * arch/arm/mach-ns9xxx/clock.h
+ *
+ * Copyright (C) 2007 by Digi International Inc.
+ * All rights reserved.
+ *
+ * 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.
+ */
+#ifndef __NS9XXX_CLOCK_H
+#define __NS9XXX_CLOCK_H
+
+#include <linux/list.h>
+
+struct clk {
+	struct module *owner;
+	const char *name;
+	int id;
+
+	struct clk *parent;
+
+	unsigned long rate;
+	int (*endisable)(struct clk *, int enable);
+	unsigned long (*get_rate)(struct clk *);
+
+	struct list_head node;
+	unsigned long refcount;
+	unsigned long usage;
+};
+
+int clk_register(struct clk *clk);
+int clk_unregister(struct clk *clk);
+
+#endif /* ifndef __NS9XXX_CLOCK_H */