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7 #ifndef __DRV_CLK_MTK_MUX_H
8 #define __DRV_CLK_MTK_MUX_H
9
10 #include <linux/clk-provider.h>
11
12 struct mtk_clk_mux {
13 struct clk_hw hw;
14 struct regmap *regmap;
15 const struct mtk_mux *data;
16 spinlock_t *lock;
17 };
18
19 struct mtk_mux {
20 int id;
21 const char *name;
22 const char * const *parent_names;
23 unsigned int flags;
24
25 u32 mux_ofs;
26 u32 set_ofs;
27 u32 clr_ofs;
28 u32 upd_ofs;
29
30 u8 mux_shift;
31 u8 mux_width;
32 u8 gate_shift;
33 s8 upd_shift;
34
35 const struct clk_ops *ops;
36
37 signed char num_parents;
38 };
39
40 extern const struct clk_ops mtk_mux_ops;
41 extern const struct clk_ops mtk_mux_clr_set_upd_ops;
42 extern const struct clk_ops mtk_mux_gate_ops;
43 extern const struct clk_ops mtk_mux_gate_clr_set_upd_ops;
44
45 #define GATE_CLR_SET_UPD_FLAGS(_id, _name, _parents, _mux_ofs, \
46 _mux_set_ofs, _mux_clr_ofs, _shift, _width, \
47 _gate, _upd_ofs, _upd, _flags, _ops) { \
48 .id = _id, \
49 .name = _name, \
50 .mux_ofs = _mux_ofs, \
51 .set_ofs = _mux_set_ofs, \
52 .clr_ofs = _mux_clr_ofs, \
53 .upd_ofs = _upd_ofs, \
54 .mux_shift = _shift, \
55 .mux_width = _width, \
56 .gate_shift = _gate, \
57 .upd_shift = _upd, \
58 .parent_names = _parents, \
59 .num_parents = ARRAY_SIZE(_parents), \
60 .flags = _flags, \
61 .ops = &_ops, \
62 }
63
64 #define MUX_GATE_CLR_SET_UPD_FLAGS(_id, _name, _parents, _mux_ofs, \
65 _mux_set_ofs, _mux_clr_ofs, _shift, _width, \
66 _gate, _upd_ofs, _upd, _flags) \
67 GATE_CLR_SET_UPD_FLAGS(_id, _name, _parents, _mux_ofs, \
68 _mux_set_ofs, _mux_clr_ofs, _shift, _width, \
69 _gate, _upd_ofs, _upd, _flags, \
70 mtk_mux_gate_clr_set_upd_ops)
71
72 #define MUX_GATE_CLR_SET_UPD(_id, _name, _parents, _mux_ofs, \
73 _mux_set_ofs, _mux_clr_ofs, _shift, _width, \
74 _gate, _upd_ofs, _upd) \
75 MUX_GATE_CLR_SET_UPD_FLAGS(_id, _name, _parents, \
76 _mux_ofs, _mux_set_ofs, _mux_clr_ofs, _shift, \
77 _width, _gate, _upd_ofs, _upd, \
78 CLK_SET_RATE_PARENT)
79
80 struct clk *mtk_clk_register_mux(const struct mtk_mux *mux,
81 struct regmap *regmap,
82 spinlock_t *lock);
83
84 int mtk_clk_register_muxes(const struct mtk_mux *muxes,
85 int num, struct device_node *node,
86 spinlock_t *lock,
87 struct clk_onecell_data *clk_data);
88
89 #endif