diff options
Diffstat (limited to 'include/asm-sh/clock.h')
-rw-r--r-- | include/asm-sh/clock.h | 61 |
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 */ + |