Commit | Line | Data |
---|---|---|
4661fda1 | 1 | #include <linux/io.h> |
4661fda1 | 2 | #include <linux/clk-provider.h> |
528b7697 | 3 | #include <linux/slab.h> |
4661fda1 CX |
4 | #include <linux/of.h> |
5 | #include <linux/of_address.h> | |
6 | ||
7 | #include "clk.h" | |
8 | ||
9 | void mmp_clk_init(struct device_node *np, struct mmp_clk_unit *unit, | |
10 | int nr_clks) | |
11 | { | |
12 | static struct clk **clk_table; | |
13 | ||
14 | clk_table = kcalloc(nr_clks, sizeof(struct clk *), GFP_KERNEL); | |
15 | if (!clk_table) | |
16 | return; | |
17 | ||
18 | unit->clk_table = clk_table; | |
19 | unit->nr_clks = nr_clks; | |
20 | unit->clk_data.clks = clk_table; | |
21 | unit->clk_data.clk_num = nr_clks; | |
22 | of_clk_add_provider(np, of_clk_src_onecell_get, &unit->clk_data); | |
23 | } | |
24 | ||
25 | void mmp_register_fixed_rate_clks(struct mmp_clk_unit *unit, | |
26 | struct mmp_param_fixed_rate_clk *clks, | |
27 | int size) | |
28 | { | |
29 | int i; | |
30 | struct clk *clk; | |
31 | ||
32 | for (i = 0; i < size; i++) { | |
33 | clk = clk_register_fixed_rate(NULL, clks[i].name, | |
34 | clks[i].parent_name, | |
35 | clks[i].flags, | |
36 | clks[i].fixed_rate); | |
37 | if (IS_ERR(clk)) { | |
38 | pr_err("%s: failed to register clock %s\n", | |
39 | __func__, clks[i].name); | |
40 | continue; | |
41 | } | |
42 | if (clks[i].id) | |
43 | unit->clk_table[clks[i].id] = clk; | |
44 | } | |
45 | } | |
46 | ||
47 | void mmp_register_fixed_factor_clks(struct mmp_clk_unit *unit, | |
48 | struct mmp_param_fixed_factor_clk *clks, | |
49 | int size) | |
50 | { | |
51 | struct clk *clk; | |
52 | int i; | |
53 | ||
54 | for (i = 0; i < size; i++) { | |
55 | clk = clk_register_fixed_factor(NULL, clks[i].name, | |
56 | clks[i].parent_name, | |
57 | clks[i].flags, clks[i].mult, | |
58 | clks[i].div); | |
59 | if (IS_ERR(clk)) { | |
60 | pr_err("%s: failed to register clock %s\n", | |
61 | __func__, clks[i].name); | |
62 | continue; | |
63 | } | |
64 | if (clks[i].id) | |
65 | unit->clk_table[clks[i].id] = clk; | |
66 | } | |
67 | } | |
68 | ||
69 | void mmp_register_general_gate_clks(struct mmp_clk_unit *unit, | |
70 | struct mmp_param_general_gate_clk *clks, | |
71 | void __iomem *base, int size) | |
72 | { | |
73 | struct clk *clk; | |
74 | int i; | |
75 | ||
76 | for (i = 0; i < size; i++) { | |
77 | clk = clk_register_gate(NULL, clks[i].name, | |
78 | clks[i].parent_name, | |
79 | clks[i].flags, | |
80 | base + clks[i].offset, | |
81 | clks[i].bit_idx, | |
82 | clks[i].gate_flags, | |
83 | clks[i].lock); | |
84 | ||
85 | if (IS_ERR(clk)) { | |
86 | pr_err("%s: failed to register clock %s\n", | |
87 | __func__, clks[i].name); | |
88 | continue; | |
89 | } | |
90 | if (clks[i].id) | |
91 | unit->clk_table[clks[i].id] = clk; | |
92 | } | |
93 | } | |
94 | ||
95 | void mmp_register_gate_clks(struct mmp_clk_unit *unit, | |
96 | struct mmp_param_gate_clk *clks, | |
97 | void __iomem *base, int size) | |
98 | { | |
99 | struct clk *clk; | |
100 | int i; | |
101 | ||
102 | for (i = 0; i < size; i++) { | |
103 | clk = mmp_clk_register_gate(NULL, clks[i].name, | |
104 | clks[i].parent_name, | |
105 | clks[i].flags, | |
106 | base + clks[i].offset, | |
107 | clks[i].mask, | |
108 | clks[i].val_enable, | |
109 | clks[i].val_disable, | |
110 | clks[i].gate_flags, | |
111 | clks[i].lock); | |
112 | ||
113 | if (IS_ERR(clk)) { | |
114 | pr_err("%s: failed to register clock %s\n", | |
115 | __func__, clks[i].name); | |
116 | continue; | |
117 | } | |
118 | if (clks[i].id) | |
119 | unit->clk_table[clks[i].id] = clk; | |
120 | } | |
121 | } | |
122 | ||
123 | void mmp_register_mux_clks(struct mmp_clk_unit *unit, | |
124 | struct mmp_param_mux_clk *clks, | |
125 | void __iomem *base, int size) | |
126 | { | |
127 | struct clk *clk; | |
128 | int i; | |
129 | ||
130 | for (i = 0; i < size; i++) { | |
131 | clk = clk_register_mux(NULL, clks[i].name, | |
132 | clks[i].parent_name, | |
133 | clks[i].num_parents, | |
134 | clks[i].flags, | |
135 | base + clks[i].offset, | |
136 | clks[i].shift, | |
137 | clks[i].width, | |
138 | clks[i].mux_flags, | |
139 | clks[i].lock); | |
140 | ||
141 | if (IS_ERR(clk)) { | |
142 | pr_err("%s: failed to register clock %s\n", | |
143 | __func__, clks[i].name); | |
144 | continue; | |
145 | } | |
146 | if (clks[i].id) | |
147 | unit->clk_table[clks[i].id] = clk; | |
148 | } | |
149 | } | |
150 | ||
151 | void mmp_register_div_clks(struct mmp_clk_unit *unit, | |
152 | struct mmp_param_div_clk *clks, | |
153 | void __iomem *base, int size) | |
154 | { | |
155 | struct clk *clk; | |
156 | int i; | |
157 | ||
158 | for (i = 0; i < size; i++) { | |
159 | clk = clk_register_divider(NULL, clks[i].name, | |
160 | clks[i].parent_name, | |
161 | clks[i].flags, | |
162 | base + clks[i].offset, | |
163 | clks[i].shift, | |
164 | clks[i].width, | |
165 | clks[i].div_flags, | |
166 | clks[i].lock); | |
167 | ||
168 | if (IS_ERR(clk)) { | |
169 | pr_err("%s: failed to register clock %s\n", | |
170 | __func__, clks[i].name); | |
171 | continue; | |
172 | } | |
173 | if (clks[i].id) | |
174 | unit->clk_table[clks[i].id] = clk; | |
175 | } | |
176 | } | |
177 | ||
178 | void mmp_clk_add(struct mmp_clk_unit *unit, unsigned int id, | |
179 | struct clk *clk) | |
180 | { | |
181 | if (IS_ERR_OR_NULL(clk)) { | |
182 | pr_err("CLK %d has invalid pointer %p\n", id, clk); | |
183 | return; | |
184 | } | |
185 | if (id > unit->nr_clks) { | |
186 | pr_err("CLK %d is invalid\n", id); | |
187 | return; | |
188 | } | |
189 | ||
190 | unit->clk_table[id] = clk; | |
191 | } |