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 | |
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 | |