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-rw-r--r--include/asm-sh/clock.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/include/asm-sh/clock.h b/include/asm-sh/clock.h
new file mode 100644
index 00000000000..fdfb75b30f0
--- /dev/null
+++ b/include/asm-sh/clock.h
@@ -0,0 +1,61 @@
+#ifndef __ASM_SH_CLOCK_H
+#define __ASM_SH_CLOCK_H
+
+#include <linux/kref.h>
+#include <linux/list.h>
+#include <linux/seq_file.h>
+
+struct clk;
+
+struct clk_ops {
+ void (*init)(struct clk *clk);
+ void (*enable)(struct clk *clk);
+ void (*disable)(struct clk *clk);
+ void (*recalc)(struct clk *clk);
+ int (*set_rate)(struct clk *clk, unsigned long rate);
+};
+
+struct clk {
+ struct list_head node;
+ const char *name;
+
+ struct module *owner;
+
+ struct clk *parent;
+ struct clk_ops *ops;
+
+ struct kref kref;
+
+ unsigned long rate;
+ unsigned long flags;
+};
+
+#define CLK_ALWAYS_ENABLED (1 << 0)
+#define CLK_RATE_PROPAGATES (1 << 1)
+
+/* Should be defined by processor-specific code */
+void arch_init_clk_ops(struct clk_ops **, int type);
+
+/* arch/sh/kernel/cpu/clock.c */
+int clk_init(void);
+
+int __clk_enable(struct clk *);
+int clk_enable(struct clk *);
+
+void __clk_disable(struct clk *);
+void clk_disable(struct clk *);
+
+int clk_set_rate(struct clk *, unsigned long rate);
+unsigned long clk_get_rate(struct clk *);
+void clk_recalc_rate(struct clk *);
+
+struct clk *clk_get(const char *id);
+void clk_put(struct clk *);
+
+int clk_register(struct clk *);
+void clk_unregister(struct clk *);
+
+int show_clocks(struct seq_file *m);
+
+#endif /* __ASM_SH_CLOCK_H */
+