aboutsummaryrefslogtreecommitdiff
path: root/drivers/clk/hisilicon/clk.h
blob: 4a6beebefb7a691d4dc3b6bb4a5d0c29d93b0a32 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
/*
 * Hisilicon Hi3620 clock gate driver
 *
 * Copyright (c) 2012-2013 Hisilicon Limited.
 * Copyright (c) 2012-2013 Linaro Limited.
 *
 * Author: Haojian Zhuang <haojian.zhuang@linaro.org>
 *	   Xin Li <li.xin@linaro.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 */

#ifndef	__HISI_CLK_H
#define	__HISI_CLK_H

#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/spinlock.h>

struct hisi_fixed_rate_clock {
	unsigned int		id;
	char			*name;
	const char		*parent_name;
	unsigned long		flags;
	unsigned long		fixed_rate;
};

struct hisi_fixed_factor_clock {
	unsigned int		id;
	char			*name;
	const char		*parent_name;
	unsigned long		mult;
	unsigned long		div;
	unsigned long		flags;
};

struct hisi_mux_clock {
	unsigned int		id;
	const char		*name;
	const char		**parent_names;
	u8			num_parents;
	unsigned long		flags;
	unsigned long		offset;
	u8			shift;
	u8			width;
	u8			mux_flags;
	const char		*alias;
};

struct hisi_divider_clock {
	unsigned int		id;
	const char		*name;
	const char		*parent_name;
	unsigned long		flags;
	unsigned long		offset;
	u8			shift;
	u8			width;
	u8			div_flags;
	struct clk_div_table	*table;
	const char		*alias;
};

struct hisi_gate_clock {
	unsigned int		id;
	const char		*name;
	const char		*parent_name;
	unsigned long		flags;
	unsigned long		offset;
	u8			bit_idx;
	u8			gate_flags;
	const char		*alias;
};

struct clk *hisi_register_clkgate_sep(struct device *, const char *,
				const char *, unsigned long,
				void __iomem *, u8,
				u8, spinlock_t *);

void __init hisi_clk_init(struct device_node *, int);
void __init hisi_clk_register_fixed_rate(struct hisi_fixed_rate_clock *,
					int, void __iomem *);
void __init hisi_clk_register_fixed_factor(struct hisi_fixed_factor_clock *,
					int, void __iomem *);
void __init hisi_clk_register_mux(struct hisi_mux_clock *, int,
				void __iomem *);
void __init hisi_clk_register_divider(struct hisi_divider_clock *,
				int, void __iomem *);
void __init hisi_clk_register_gate_sep(struct hisi_gate_clock *,
					int, void __iomem *);
#endif	/* __HISI_CLK_H */