1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __ASM_MIPS_CLOCK_H
 3#define __ASM_MIPS_CLOCK_H
 4
 5#include <linux/kref.h>
 6#include <linux/list.h>
 7#include <linux/seq_file.h>
 8#include <linux/clk.h>
 9
 
 
10struct clk;
11
12struct clk_ops {
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);
19};
20
21struct clk {
22	struct list_head node;
23	const char *name;
24	int id;
25	struct module *owner;
26
27	struct clk *parent;
28	struct clk_ops *ops;
29
30	struct kref kref;
31
32	unsigned long rate;
33	unsigned long flags;
34};
35
36#define CLK_ALWAYS_ENABLED	(1 << 0)
37#define CLK_RATE_PROPAGATES	(1 << 1)
38
 
 
 
39int clk_init(void);
40
41int __clk_enable(struct clk *);
42void __clk_disable(struct clk *);
43
44void clk_recalc_rate(struct clk *);
45
46int clk_register(struct clk *);
47void clk_unregister(struct clk *);
 
 
 
 
 
 
 
 
 
 
 
48
49#endif				/* __ASM_MIPS_CLOCK_H */

 
 1#ifndef __ASM_MIPS_CLOCK_H
 2#define __ASM_MIPS_CLOCK_H
 3
 4#include <linux/kref.h>
 5#include <linux/list.h>
 6#include <linux/seq_file.h>
 7#include <linux/clk.h>
 8
 9extern void (*cpu_wait) (void);
10
11struct clk;
12
13struct clk_ops {
14	void (*init) (struct clk *clk);
15	void (*enable) (struct clk *clk);
16	void (*disable) (struct clk *clk);
17	void (*recalc) (struct clk *clk);
18	int (*set_rate) (struct clk *clk, unsigned long rate, int algo_id);
19	long (*round_rate) (struct clk *clk, unsigned long rate);
20};
21
22struct clk {
23	struct list_head node;
24	const char *name;
25	int id;
26	struct module *owner;
27
28	struct clk *parent;
29	struct clk_ops *ops;
30
31	struct kref kref;
32
33	unsigned long rate;
34	unsigned long flags;
35};
36
37#define CLK_ALWAYS_ENABLED	(1 << 0)
38#define CLK_RATE_PROPAGATES	(1 << 1)
39
40/* Should be defined by processor-specific code */
41void arch_init_clk_ops(struct clk_ops **, int type);
42
43int clk_init(void);
44
45int __clk_enable(struct clk *);
46void __clk_disable(struct clk *);
47
48void clk_recalc_rate(struct clk *);
49
50int clk_register(struct clk *);
51void clk_unregister(struct clk *);
52
53/* the exported API, in addition to clk_set_rate */
54/**
55 * clk_set_rate_ex - set the clock rate for a clock source, with additional parameter
56 * @clk: clock source
57 * @rate: desired clock rate in Hz
58 * @algo_id: algorithm id to be passed down to ops->set_rate
59 *
60 * Returns success (0) or negative errno.
61 */
62int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id);
63
64#endif				/* __ASM_MIPS_CLOCK_H */