1 #ifndef __ASM_SH_CLOCK_H
2 #define __ASM_SH_CLOCK_H
4 #include <linux/kref.h>
5 #include <linux/list.h>
6 #include <linux/seq_file.h>
13 void (*init)(struct clk *clk);
14 void (*enable)(struct clk *clk);
15 void (*disable)(struct clk *clk);
16 void (*recalc)(struct clk *clk);
17 int (*set_rate)(struct clk *clk, unsigned long rate, int algo_id);
18 long (*round_rate)(struct clk *clk, unsigned long rate);
22 struct list_head node;
34 unsigned long arch_flags;
37 #define CLK_ALWAYS_ENABLED (1 << 0)
38 #define CLK_RATE_PROPAGATES (1 << 1)
40 /* Should be defined by processor-specific code */
41 void arch_init_clk_ops(struct clk_ops **, int type);
43 /* arch/sh/kernel/cpu/clock.c */
46 void clk_recalc_rate(struct clk *);
48 int clk_register(struct clk *);
49 void clk_unregister(struct clk *);
51 static inline int clk_always_enable(const char *id)
56 clk = clk_get(NULL, id);
60 ret = clk_enable(clk);
67 /* the exported API, in addition to clk_set_rate */
69 * clk_set_rate_ex - set the clock rate for a clock source, with additional parameter
71 * @rate: desired clock rate in Hz
72 * @algo_id: algorithm id to be passed down to ops->set_rate
74 * Returns success (0) or negative errno.
76 int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id);
97 #endif /* __ASM_SH_CLOCK_H */