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7 #ifndef __CLK_UNIPHIER_H__
8 #define __CLK_UNIPHIER_H__
9
10 struct clk_hw;
11 struct device;
12 struct regmap;
13
14 #define UNIPHIER_CLK_CPUGEAR_MAX_PARENTS 16
15 #define UNIPHIER_CLK_MUX_MAX_PARENTS 8
16
17 enum uniphier_clk_type {
18 UNIPHIER_CLK_TYPE_CPUGEAR,
19 UNIPHIER_CLK_TYPE_FIXED_FACTOR,
20 UNIPHIER_CLK_TYPE_FIXED_RATE,
21 UNIPHIER_CLK_TYPE_GATE,
22 UNIPHIER_CLK_TYPE_MUX,
23 };
24
25 struct uniphier_clk_cpugear_data {
26 const char *parent_names[UNIPHIER_CLK_CPUGEAR_MAX_PARENTS];
27 unsigned int num_parents;
28 unsigned int regbase;
29 unsigned int mask;
30 };
31
32 struct uniphier_clk_fixed_factor_data {
33 const char *parent_name;
34 unsigned int mult;
35 unsigned int div;
36 };
37
38 struct uniphier_clk_fixed_rate_data {
39 unsigned long fixed_rate;
40 };
41
42 struct uniphier_clk_gate_data {
43 const char *parent_name;
44 unsigned int reg;
45 unsigned int bit;
46 };
47
48 struct uniphier_clk_mux_data {
49 const char *parent_names[UNIPHIER_CLK_MUX_MAX_PARENTS];
50 unsigned int num_parents;
51 unsigned int reg;
52 unsigned int masks[UNIPHIER_CLK_MUX_MAX_PARENTS];
53 unsigned int vals[UNIPHIER_CLK_MUX_MAX_PARENTS];
54 };
55
56 struct uniphier_clk_data {
57 const char *name;
58 enum uniphier_clk_type type;
59 int idx;
60 union {
61 struct uniphier_clk_cpugear_data cpugear;
62 struct uniphier_clk_fixed_factor_data factor;
63 struct uniphier_clk_fixed_rate_data rate;
64 struct uniphier_clk_gate_data gate;
65 struct uniphier_clk_mux_data mux;
66 } data;
67 };
68
69 #define UNIPHIER_CLK_CPUGEAR(_name, _idx, _regbase, _mask, \
70 _num_parents, ...) \
71 { \
72 .name = (_name), \
73 .type = UNIPHIER_CLK_TYPE_CPUGEAR, \
74 .idx = (_idx), \
75 .data.cpugear = { \
76 .parent_names = { __VA_ARGS__ }, \
77 .num_parents = (_num_parents), \
78 .regbase = (_regbase), \
79 .mask = (_mask) \
80 }, \
81 }
82
83 #define UNIPHIER_CLK_FACTOR(_name, _idx, _parent, _mult, _div) \
84 { \
85 .name = (_name), \
86 .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, \
87 .idx = (_idx), \
88 .data.factor = { \
89 .parent_name = (_parent), \
90 .mult = (_mult), \
91 .div = (_div), \
92 }, \
93 }
94
95 #define UNIPHIER_CLK_GATE(_name, _idx, _parent, _reg, _bit) \
96 { \
97 .name = (_name), \
98 .type = UNIPHIER_CLK_TYPE_GATE, \
99 .idx = (_idx), \
100 .data.gate = { \
101 .parent_name = (_parent), \
102 .reg = (_reg), \
103 .bit = (_bit), \
104 }, \
105 }
106
107 #define UNIPHIER_CLK_DIV(parent, div) \
108 UNIPHIER_CLK_FACTOR(parent "/" #div, -1, parent, 1, div)
109
110 #define UNIPHIER_CLK_DIV2(parent, div0, div1) \
111 UNIPHIER_CLK_DIV(parent, div0), \
112 UNIPHIER_CLK_DIV(parent, div1)
113
114 #define UNIPHIER_CLK_DIV3(parent, div0, div1, div2) \
115 UNIPHIER_CLK_DIV2(parent, div0, div1), \
116 UNIPHIER_CLK_DIV(parent, div2)
117
118 #define UNIPHIER_CLK_DIV4(parent, div0, div1, div2, div3) \
119 UNIPHIER_CLK_DIV2(parent, div0, div1), \
120 UNIPHIER_CLK_DIV2(parent, div2, div3)
121
122 struct clk_hw *uniphier_clk_register_cpugear(struct device *dev,
123 struct regmap *regmap,
124 const char *name,
125 const struct uniphier_clk_cpugear_data *data);
126 struct clk_hw *uniphier_clk_register_fixed_factor(struct device *dev,
127 const char *name,
128 const struct uniphier_clk_fixed_factor_data *data);
129 struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev,
130 const char *name,
131 const struct uniphier_clk_fixed_rate_data *data);
132 struct clk_hw *uniphier_clk_register_gate(struct device *dev,
133 struct regmap *regmap,
134 const char *name,
135 const struct uniphier_clk_gate_data *data);
136 struct clk_hw *uniphier_clk_register_mux(struct device *dev,
137 struct regmap *regmap,
138 const char *name,
139 const struct uniphier_clk_mux_data *data);
140
141 extern const struct uniphier_clk_data uniphier_ld4_sys_clk_data[];
142 extern const struct uniphier_clk_data uniphier_pro4_sys_clk_data[];
143 extern const struct uniphier_clk_data uniphier_sld8_sys_clk_data[];
144 extern const struct uniphier_clk_data uniphier_pro5_sys_clk_data[];
145 extern const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[];
146 extern const struct uniphier_clk_data uniphier_ld11_sys_clk_data[];
147 extern const struct uniphier_clk_data uniphier_ld20_sys_clk_data[];
148 extern const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[];
149 extern const struct uniphier_clk_data uniphier_ld4_mio_clk_data[];
150 extern const struct uniphier_clk_data uniphier_pro5_sd_clk_data[];
151 extern const struct uniphier_clk_data uniphier_ld4_peri_clk_data[];
152 extern const struct uniphier_clk_data uniphier_pro4_peri_clk_data[];
153
154 #endif