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Maxime Ripard2ab836d2016-06-29 21:05:29 +02001/*
2 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
3 *
4 * This software is licensed under the terms of the GNU General Public
5 * License version 2, as published by the Free Software Foundation, and
6 * may be copied, distributed, and modified under those terms.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 */
13
14#ifndef _CCU_MP_H_
15#define _CCU_MP_H_
16
17#include <linux/clk-provider.h>
18
19#include "ccu_common.h"
20#include "ccu_div.h"
21#include "ccu_mult.h"
22#include "ccu_mux.h"
23
24/*
25 * struct ccu_mp - Definition of an M-P clock
26 *
27 * Clocks based on the formula parent >> P / M
28 */
29struct ccu_mp {
30 u32 enable;
31
32 struct _ccu_div m;
33 struct _ccu_div p;
34 struct ccu_mux_internal mux;
35 struct ccu_common common;
36};
37
38#define SUNXI_CCU_MP_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
39 _mshift, _mwidth, \
40 _pshift, _pwidth, \
41 _muxshift, _muxwidth, \
42 _gate, _flags) \
43 struct ccu_mp _struct = { \
44 .enable = _gate, \
45 .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
46 .p = _SUNXI_CCU_DIV(_pshift, _pwidth), \
Maxime Ripard89af8522016-07-20 23:45:35 +020047 .mux = _SUNXI_CCU_MUX(_muxshift, _muxwidth), \
Maxime Ripard2ab836d2016-06-29 21:05:29 +020048 .common = { \
49 .reg = _reg, \
50 .hw.init = CLK_HW_INIT_PARENTS(_name, \
51 _parents, \
52 &ccu_mp_ops, \
53 _flags), \
54 } \
55 }
56
57#define SUNXI_CCU_MP_WITH_MUX(_struct, _name, _parents, _reg, \
58 _mshift, _mwidth, \
59 _pshift, _pwidth, \
60 _muxshift, _muxwidth, \
61 _flags) \
62 SUNXI_CCU_MP_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
63 _mshift, _mwidth, \
64 _pshift, _pwidth, \
65 _muxshift, _muxwidth, \
66 0, _flags)
67
68static inline struct ccu_mp *hw_to_ccu_mp(struct clk_hw *hw)
69{
70 struct ccu_common *common = hw_to_ccu_common(hw);
71
72 return container_of(common, struct ccu_mp, common);
73}
74
75extern const struct clk_ops ccu_mp_ops;
76
77#endif /* _CCU_MP_H_ */