diff options
Diffstat (limited to 'drivers/clk/hisilicon/clk.h')
-rw-r--r-- | drivers/clk/hisilicon/clk.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/clk/hisilicon/clk.h b/drivers/clk/hisilicon/clk.h new file mode 100644 index 000000000000..4a6beebefb7a --- /dev/null +++ b/drivers/clk/hisilicon/clk.h | |||
@@ -0,0 +1,103 @@ | |||
1 | /* | ||
2 | * Hisilicon Hi3620 clock gate driver | ||
3 | * | ||
4 | * Copyright (c) 2012-2013 Hisilicon Limited. | ||
5 | * Copyright (c) 2012-2013 Linaro Limited. | ||
6 | * | ||
7 | * Author: Haojian Zhuang <haojian.zhuang@linaro.org> | ||
8 | * Xin Li <li.xin@linaro.org> | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation; either version 2 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | * | ||
15 | * This program is distributed in the hope that it will be useful, | ||
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
18 | * GNU General Public License for more details. | ||
19 | * | ||
20 | * You should have received a copy of the GNU General Public License along | ||
21 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
22 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
23 | * | ||
24 | */ | ||
25 | |||
26 | #ifndef __HISI_CLK_H | ||
27 | #define __HISI_CLK_H | ||
28 | |||
29 | #include <linux/clk-provider.h> | ||
30 | #include <linux/io.h> | ||
31 | #include <linux/spinlock.h> | ||
32 | |||
33 | struct hisi_fixed_rate_clock { | ||
34 | unsigned int id; | ||
35 | char *name; | ||
36 | const char *parent_name; | ||
37 | unsigned long flags; | ||
38 | unsigned long fixed_rate; | ||
39 | }; | ||
40 | |||
41 | struct hisi_fixed_factor_clock { | ||
42 | unsigned int id; | ||
43 | char *name; | ||
44 | const char *parent_name; | ||
45 | unsigned long mult; | ||
46 | unsigned long div; | ||
47 | unsigned long flags; | ||
48 | }; | ||
49 | |||
50 | struct hisi_mux_clock { | ||
51 | unsigned int id; | ||
52 | const char *name; | ||
53 | const char **parent_names; | ||
54 | u8 num_parents; | ||
55 | unsigned long flags; | ||
56 | unsigned long offset; | ||
57 | u8 shift; | ||
58 | u8 width; | ||
59 | u8 mux_flags; | ||
60 | const char *alias; | ||
61 | }; | ||
62 | |||
63 | struct hisi_divider_clock { | ||
64 | unsigned int id; | ||
65 | const char *name; | ||
66 | const char *parent_name; | ||
67 | unsigned long flags; | ||
68 | unsigned long offset; | ||
69 | u8 shift; | ||
70 | u8 width; | ||
71 | u8 div_flags; | ||
72 | struct clk_div_table *table; | ||
73 | const char *alias; | ||
74 | }; | ||
75 | |||
76 | struct hisi_gate_clock { | ||
77 | unsigned int id; | ||
78 | const char *name; | ||
79 | const char *parent_name; | ||
80 | unsigned long flags; | ||
81 | unsigned long offset; | ||
82 | u8 bit_idx; | ||
83 | u8 gate_flags; | ||
84 | const char *alias; | ||
85 | }; | ||
86 | |||
87 | struct clk *hisi_register_clkgate_sep(struct device *, const char *, | ||
88 | const char *, unsigned long, | ||
89 | void __iomem *, u8, | ||
90 | u8, spinlock_t *); | ||
91 | |||
92 | void __init hisi_clk_init(struct device_node *, int); | ||
93 | void __init hisi_clk_register_fixed_rate(struct hisi_fixed_rate_clock *, | ||
94 | int, void __iomem *); | ||
95 | void __init hisi_clk_register_fixed_factor(struct hisi_fixed_factor_clock *, | ||
96 | int, void __iomem *); | ||
97 | void __init hisi_clk_register_mux(struct hisi_mux_clock *, int, | ||
98 | void __iomem *); | ||
99 | void __init hisi_clk_register_divider(struct hisi_divider_clock *, | ||
100 | int, void __iomem *); | ||
101 | void __init hisi_clk_register_gate_sep(struct hisi_gate_clock *, | ||
102 | int, void __iomem *); | ||
103 | #endif /* __HISI_CLK_H */ | ||