1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (c) 2016 Maxime Ripard. All rights reserved. |
4 | */ |
5 | |
6 | #ifndef _CCU_NKM_H_ |
7 | #define _CCU_NKM_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_nkm - Definition of an N-K-M clock |
17 | * |
18 | * Clocks based on the formula parent * N * K / M |
19 | */ |
20 | struct ccu_nkm { |
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_mux_internal mux; |
28 | |
29 | unsigned int fixed_post_div; |
30 | |
31 | struct ccu_common common; |
32 | }; |
33 | |
34 | #define SUNXI_CCU_NKM_WITH_MUX_GATE_LOCK(_struct, _name, _parents, _reg, \ |
35 | _nshift, _nwidth, \ |
36 | _kshift, _kwidth, \ |
37 | _mshift, _mwidth, \ |
38 | _muxshift, _muxwidth, \ |
39 | _gate, _lock, _flags) \ |
40 | struct ccu_nkm _struct = { \ |
41 | .enable = _gate, \ |
42 | .lock = _lock, \ |
43 | .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \ |
44 | .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ |
45 | .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ |
46 | .mux = _SUNXI_CCU_MUX(_muxshift, _muxwidth), \ |
47 | .common = { \ |
48 | .reg = _reg, \ |
49 | .hw.init = CLK_HW_INIT_PARENTS(_name, \ |
50 | _parents, \ |
51 | &ccu_nkm_ops, \ |
52 | _flags), \ |
53 | }, \ |
54 | } |
55 | |
56 | #define SUNXI_CCU_NKM_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \ |
57 | _nshift, _nwidth, \ |
58 | _kshift, _kwidth, \ |
59 | _mshift, _mwidth, \ |
60 | _gate, _lock, _flags) \ |
61 | struct ccu_nkm _struct = { \ |
62 | .enable = _gate, \ |
63 | .lock = _lock, \ |
64 | .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \ |
65 | .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ |
66 | .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ |
67 | .common = { \ |
68 | .reg = _reg, \ |
69 | .hw.init = CLK_HW_INIT(_name, \ |
70 | _parent, \ |
71 | &ccu_nkm_ops, \ |
72 | _flags), \ |
73 | }, \ |
74 | } |
75 | |
76 | static inline struct ccu_nkm *hw_to_ccu_nkm(struct clk_hw *hw) |
77 | { |
78 | struct ccu_common *common = hw_to_ccu_common(hw); |
79 | |
80 | return container_of(common, struct ccu_nkm, common); |
81 | } |
82 | |
83 | extern const struct clk_ops ccu_nkm_ops; |
84 | |
85 | #endif /* _CCU_NKM_H_ */ |
86 | |