1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
4 */
5
6#ifndef _CCU_NKMP_H_
7#define _CCU_NKMP_H_
8
9#include <linux/clk-provider.h>
10
11#include "ccu_common.h"
12#include "ccu_div.h"
13#include "ccu_mult.h"
14
15/*
16 * struct ccu_nkmp - Definition of an N-K-M-P clock
17 *
18 * Clocks based on the formula parent * N * K >> P / M
19 */
20struct ccu_nkmp {
21	u32			enable;
22	u32			lock;
23
24	struct ccu_mult_internal	n;
25	struct ccu_mult_internal	k;
26	struct ccu_div_internal		m;
27	struct ccu_div_internal		p;
28
29	unsigned int		fixed_post_div;
30	unsigned int		max_rate;
31
32	struct ccu_common	common;
33};
34
35#define SUNXI_CCU_NKMP_WITH_GATE_LOCK(_struct, _name, _parent, _reg,	\
36				      _nshift, _nwidth,			\
37				      _kshift, _kwidth,			\
38				      _mshift, _mwidth,			\
39				      _pshift, _pwidth,			\
40				      _gate, _lock, _flags)		\
41	struct ccu_nkmp _struct = {					\
42		.enable		= _gate,				\
43		.lock		= _lock,				\
44		.n		= _SUNXI_CCU_MULT(_nshift, _nwidth),	\
45		.k		= _SUNXI_CCU_MULT(_kshift, _kwidth),	\
46		.m		= _SUNXI_CCU_DIV(_mshift, _mwidth),	\
47		.p		= _SUNXI_CCU_DIV(_pshift, _pwidth),	\
48		.common		= {					\
49			.reg		= _reg,				\
50			.hw.init	= CLK_HW_INIT(_name,		\
51						      _parent,		\
52						      &ccu_nkmp_ops,	\
53						      _flags),		\
54		},							\
55	}
56
57static inline struct ccu_nkmp *hw_to_ccu_nkmp(struct clk_hw *hw)
58{
59	struct ccu_common *common = hw_to_ccu_common(hw);
60
61	return container_of(common, struct ccu_nkmp, common);
62}
63
64extern const struct clk_ops ccu_nkmp_ops;
65
66#endif /* _CCU_NKMP_H_ */
67