1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2016 Maxime Ripard. All rights reserved.
4  */
5 
6 #ifndef _CCU_NK_H_
7 #define _CCU_NK_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_nk - Definition of an N-K clock
17  *
18  * Clocks based on the formula parent * N * K
19  */
20 struct ccu_nk {
21 	u16			reg;
22 	u32			enable;
23 	u32			lock;
24 
25 	struct ccu_mult_internal	n;
26 	struct ccu_mult_internal	k;
27 
28 	unsigned int		fixed_post_div;
29 
30 	struct ccu_common	common;
31 };
32 
33 #define SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(_struct, _name, _parent, _reg, \
34 					    _nshift, _nwidth,		\
35 					    _kshift, _kwidth,		\
36 					    _gate, _lock, _postdiv,	\
37 					    _flags)			\
38 	struct ccu_nk _struct = {					\
39 		.enable		= _gate,				\
40 		.lock		= _lock,				\
41 		.k		= _SUNXI_CCU_MULT(_kshift, _kwidth),	\
42 		.n		= _SUNXI_CCU_MULT(_nshift, _nwidth),	\
43 		.fixed_post_div	= _postdiv,				\
44 		.common		= {					\
45 			.reg		= _reg,				\
46 			.features	= CCU_FEATURE_FIXED_POSTDIV,	\
47 			.hw.init	= CLK_HW_INIT(_name,		\
48 						      _parent,		\
49 						      &ccu_nk_ops,	\
50 						      _flags),		\
51 		},							\
52 	}
53 
hw_to_ccu_nk(struct clk_hw * hw)54 static inline struct ccu_nk *hw_to_ccu_nk(struct clk_hw *hw)
55 {
56 	struct ccu_common *common = hw_to_ccu_common(hw);
57 
58 	return container_of(common, struct ccu_nk, common);
59 }
60 
61 extern const struct clk_ops ccu_nk_ops;
62 
63 #endif /* _CCU_NK_H_ */
64