blob: 15e3384f31169aafa6aee8cf4a9d1075a54db03a [file] [log] [blame]
Alexandre Belloni6f9ba9b2014-05-19 18:43:26 +02001/*
2 * Copyright (c) 2014 Marvell Technology Group Ltd.
3 *
4 * Alexandre Belloni <alexandre.belloni@free-electrons.com>
5 * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19#ifndef __BERLIN2_DIV_H
20#define __BERLIN2_DIV_H
21
22struct clk;
23
24#define BERLIN2_DIV_HAS_GATE BIT(0)
25#define BERLIN2_DIV_HAS_MUX BIT(1)
26
27#define BERLIN2_PLL_SELECT(_off, _sh) \
28 .pll_select_offs = _off, \
29 .pll_select_shift = _sh
30
31#define BERLIN2_PLL_SWITCH(_off, _sh) \
32 .pll_switch_offs = _off, \
33 .pll_switch_shift = _sh
34
35#define BERLIN2_DIV_SELECT(_off, _sh) \
36 .div_select_offs = _off, \
37 .div_select_shift = _sh
38
39#define BERLIN2_DIV_SWITCH(_off, _sh) \
40 .div_switch_offs = _off, \
41 .div_switch_shift = _sh
42
43#define BERLIN2_DIV_D3SWITCH(_off, _sh) \
44 .div3_switch_offs = _off, \
45 .div3_switch_shift = _sh
46
47#define BERLIN2_DIV_GATE(_off, _sh) \
48 .gate_offs = _off, \
49 .gate_shift = _sh
50
51#define BERLIN2_SINGLE_DIV(_off) \
52 BERLIN2_DIV_GATE(_off, 0), \
53 BERLIN2_PLL_SELECT(_off, 1), \
54 BERLIN2_PLL_SWITCH(_off, 4), \
55 BERLIN2_DIV_SWITCH(_off, 5), \
56 BERLIN2_DIV_D3SWITCH(_off, 6), \
57 BERLIN2_DIV_SELECT(_off, 7)
58
59struct berlin2_div_map {
60 u16 pll_select_offs;
61 u16 pll_switch_offs;
62 u16 div_select_offs;
63 u16 div_switch_offs;
64 u16 div3_switch_offs;
65 u16 gate_offs;
66 u8 pll_select_shift;
67 u8 pll_switch_shift;
68 u8 div_select_shift;
69 u8 div_switch_shift;
70 u8 div3_switch_shift;
71 u8 gate_shift;
72};
73
74struct berlin2_div_data {
75 const char *name;
76 const u8 *parent_ids;
77 int num_parents;
78 unsigned long flags;
79 struct berlin2_div_map map;
80 u8 div_flags;
81};
82
83struct clk * __init
84berlin2_div_register(const struct berlin2_div_map *map,
85 void __iomem *base, const char *name, u8 div_flags,
86 const char **parent_names, int num_parents,
87 unsigned long flags, spinlock_t *lock);
88
89#endif /* __BERLIN2_DIV_H */