1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | // |
3 | // Spreadtrum composite clock driver |
4 | // |
5 | // Copyright (C) 2017 Spreadtrum, Inc. |
6 | // Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com> |
7 | |
8 | #ifndef _SPRD_COMPOSITE_H_ |
9 | #define _SPRD_COMPOSITE_H_ |
10 | |
11 | #include "common.h" |
12 | #include "mux.h" |
13 | #include "div.h" |
14 | |
15 | struct sprd_comp { |
16 | struct sprd_mux_ssel mux; |
17 | struct sprd_div_internal div; |
18 | struct sprd_clk_common common; |
19 | }; |
20 | |
21 | #define SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table, \ |
22 | _mshift, _mwidth, _doffset, _dshift, \ |
23 | _dwidth, _flags, _fn) \ |
24 | struct sprd_comp _struct = { \ |
25 | .mux = _SPRD_MUX_CLK(_mshift, _mwidth, _table), \ |
26 | .div = _SPRD_DIV_CLK(_doffset, _dshift, _dwidth), \ |
27 | .common = { \ |
28 | .regmap = NULL, \ |
29 | .reg = _reg, \ |
30 | .hw.init = _fn(_name, _parent, \ |
31 | &sprd_comp_ops, _flags), \ |
32 | } \ |
33 | } |
34 | |
35 | #define SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, _table, \ |
36 | _mshift, _mwidth, _dshift, _dwidth, _flags) \ |
37 | SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table, \ |
38 | _mshift, _mwidth, 0x0, _dshift, \ |
39 | _dwidth, _flags, CLK_HW_INIT_PARENTS) |
40 | |
41 | #define SPRD_COMP_CLK(_struct, _name, _parent, _reg, _mshift, \ |
42 | _mwidth, _dshift, _dwidth, _flags) \ |
43 | SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, NULL, \ |
44 | _mshift, _mwidth, _dshift, _dwidth, _flags) |
45 | |
46 | #define SPRD_COMP_CLK_DATA_TABLE(_struct, _name, _parent, _reg, _table, \ |
47 | _mshift, _mwidth, _dshift, \ |
48 | _dwidth, _flags) \ |
49 | SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table, \ |
50 | _mshift, _mwidth, 0x0, _dshift, \ |
51 | _dwidth, _flags, \ |
52 | CLK_HW_INIT_PARENTS_DATA) |
53 | |
54 | #define SPRD_COMP_CLK_DATA(_struct, _name, _parent, _reg, _mshift, \ |
55 | _mwidth, _dshift, _dwidth, _flags) \ |
56 | SPRD_COMP_CLK_DATA_TABLE(_struct, _name, _parent, _reg, NULL, \ |
57 | _mshift, _mwidth, _dshift, _dwidth, \ |
58 | _flags) |
59 | |
60 | #define SPRD_COMP_CLK_DATA_TABLE_OFFSET(_struct, _name, _parent, _reg, \ |
61 | _table, _mshift, _mwidth, \ |
62 | _doffset, _dshift, _dwidth, \ |
63 | _flags) \ |
64 | SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table, \ |
65 | _mshift, _mwidth, _doffset, _dshift, \ |
66 | _dwidth, _flags, \ |
67 | CLK_HW_INIT_PARENTS_DATA) |
68 | |
69 | #define SPRD_COMP_CLK_DATA_OFFSET(_struct, _name, _parent, _reg, \ |
70 | _mshift, _mwidth, _doffset, _dshift, \ |
71 | _dwidth, _flags) \ |
72 | SPRD_COMP_CLK_DATA_TABLE_OFFSET(_struct, _name, _parent, _reg, \ |
73 | NULL, _mshift, _mwidth, \ |
74 | _doffset, _dshift, _dwidth, \ |
75 | _flags) |
76 | |
77 | static inline struct sprd_comp *hw_to_sprd_comp(const struct clk_hw *hw) |
78 | { |
79 | struct sprd_clk_common *common = hw_to_sprd_clk_common(hw); |
80 | |
81 | return container_of(common, struct sprd_comp, common); |
82 | } |
83 | |
84 | extern const struct clk_ops sprd_comp_ops; |
85 | |
86 | #endif /* _SPRD_COMPOSITE_H_ */ |
87 | |