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 | */ |
20 | struct 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 | |
57 | static 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 | |
64 | extern const struct clk_ops ccu_nkmp_ops; |
65 | |
66 | #endif /* _CCU_NKMP_H_ */ |
67 | |