1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (c) 2016 Maxime Ripard. All rights reserved.
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #ifndef _CCU_NK_H_
7*4882a593Smuzhiyun #define _CCU_NK_H_
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <linux/clk-provider.h>
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include "ccu_common.h"
12*4882a593Smuzhiyun #include "ccu_div.h"
13*4882a593Smuzhiyun #include "ccu_mult.h"
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun /*
16*4882a593Smuzhiyun * struct ccu_nk - Definition of an N-K clock
17*4882a593Smuzhiyun *
18*4882a593Smuzhiyun * Clocks based on the formula parent * N * K
19*4882a593Smuzhiyun */
20*4882a593Smuzhiyun struct ccu_nk {
21*4882a593Smuzhiyun u16 reg;
22*4882a593Smuzhiyun u32 enable;
23*4882a593Smuzhiyun u32 lock;
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun struct ccu_mult_internal n;
26*4882a593Smuzhiyun struct ccu_mult_internal k;
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun unsigned int fixed_post_div;
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun struct ccu_common common;
31*4882a593Smuzhiyun };
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun #define SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(_struct, _name, _parent, _reg, \
34*4882a593Smuzhiyun _nshift, _nwidth, \
35*4882a593Smuzhiyun _kshift, _kwidth, \
36*4882a593Smuzhiyun _gate, _lock, _postdiv, \
37*4882a593Smuzhiyun _flags) \
38*4882a593Smuzhiyun struct ccu_nk _struct = { \
39*4882a593Smuzhiyun .enable = _gate, \
40*4882a593Smuzhiyun .lock = _lock, \
41*4882a593Smuzhiyun .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \
42*4882a593Smuzhiyun .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
43*4882a593Smuzhiyun .fixed_post_div = _postdiv, \
44*4882a593Smuzhiyun .common = { \
45*4882a593Smuzhiyun .reg = _reg, \
46*4882a593Smuzhiyun .features = CCU_FEATURE_FIXED_POSTDIV, \
47*4882a593Smuzhiyun .hw.init = CLK_HW_INIT(_name, \
48*4882a593Smuzhiyun _parent, \
49*4882a593Smuzhiyun &ccu_nk_ops, \
50*4882a593Smuzhiyun _flags), \
51*4882a593Smuzhiyun }, \
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun
hw_to_ccu_nk(struct clk_hw * hw)54*4882a593Smuzhiyun static inline struct ccu_nk *hw_to_ccu_nk(struct clk_hw *hw)
55*4882a593Smuzhiyun {
56*4882a593Smuzhiyun struct ccu_common *common = hw_to_ccu_common(hw);
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun return container_of(common, struct ccu_nk, common);
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun extern const struct clk_ops ccu_nk_ops;
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun #endif /* _CCU_NK_H_ */
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