Thomas Gleixner | c942fdd | 2019-05-27 08:55:06 +0200 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Masahiro Yamada | 734d82f | 2016-09-16 16:40:03 +0900 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2016 Socionext Inc. |
| 4 | * Author: Masahiro Yamada <yamada.masahiro@socionext.com> |
Masahiro Yamada | 734d82f | 2016-09-16 16:40:03 +0900 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #ifndef __CLK_UNIPHIER_H__ |
| 8 | #define __CLK_UNIPHIER_H__ |
| 9 | |
| 10 | struct clk_hw; |
| 11 | struct device; |
| 12 | struct regmap; |
| 13 | |
Masahiro Yamada | d08f1f0 | 2016-12-07 10:32:32 +0900 | [diff] [blame] | 14 | #define UNIPHIER_CLK_CPUGEAR_MAX_PARENTS 16 |
| 15 | #define UNIPHIER_CLK_MUX_MAX_PARENTS 8 |
Masahiro Yamada | 734d82f | 2016-09-16 16:40:03 +0900 | [diff] [blame] | 16 | |
| 17 | enum uniphier_clk_type { |
Masahiro Yamada | d08f1f0 | 2016-12-07 10:32:32 +0900 | [diff] [blame] | 18 | UNIPHIER_CLK_TYPE_CPUGEAR, |
Masahiro Yamada | 734d82f | 2016-09-16 16:40:03 +0900 | [diff] [blame] | 19 | UNIPHIER_CLK_TYPE_FIXED_FACTOR, |
| 20 | UNIPHIER_CLK_TYPE_FIXED_RATE, |
| 21 | UNIPHIER_CLK_TYPE_GATE, |
| 22 | UNIPHIER_CLK_TYPE_MUX, |
| 23 | }; |
| 24 | |
Masahiro Yamada | d08f1f0 | 2016-12-07 10:32:32 +0900 | [diff] [blame] | 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 | |
Masahiro Yamada | 734d82f | 2016-09-16 16:40:03 +0900 | [diff] [blame] | 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 { |
Masahiro Yamada | d08f1f0 | 2016-12-07 10:32:32 +0900 | [diff] [blame] | 61 | struct uniphier_clk_cpugear_data cpugear; |
Masahiro Yamada | 734d82f | 2016-09-16 16:40:03 +0900 | [diff] [blame] | 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 | |
Masahiro Yamada | 1221ae2 | 2016-12-07 10:32:33 +0900 | [diff] [blame] | 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 | |
Masahiro Yamada | 734d82f | 2016-09-16 16:40:03 +0900 | [diff] [blame] | 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 | |
Masahiro Yamada | 734d82f | 2016-09-16 16:40:03 +0900 | [diff] [blame] | 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 | |
Masahiro Yamada | 1221ae2 | 2016-12-07 10:32:33 +0900 | [diff] [blame] | 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 | |
Masahiro Yamada | d08f1f0 | 2016-12-07 10:32:32 +0900 | [diff] [blame] | 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); |
Masahiro Yamada | 734d82f | 2016-09-16 16:40:03 +0900 | [diff] [blame] | 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 | |
Masahiro Yamada | 7f4d3b5 | 2016-09-16 16:40:04 +0900 | [diff] [blame] | 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[]; |
Masahiro Yamada | 736de65 | 2017-08-31 21:03:36 +0900 | [diff] [blame] | 148 | extern const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[]; |
Masahiro Yamada | e66d57a | 2017-07-26 12:34:35 +0900 | [diff] [blame] | 149 | extern const struct uniphier_clk_data uniphier_ld4_mio_clk_data[]; |
Masahiro Yamada | 5c6201e | 2016-10-19 17:22:07 +0900 | [diff] [blame] | 150 | extern const struct uniphier_clk_data uniphier_pro5_sd_clk_data[]; |
Masahiro Yamada | 7f4d3b5 | 2016-09-16 16:40:04 +0900 | [diff] [blame] | 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 | |
Masahiro Yamada | 734d82f | 2016-09-16 16:40:03 +0900 | [diff] [blame] | 154 | #endif /* __CLK_UNIPHIER_H__ */ |