1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2016 Maxime Ripard. All rights reserved. 4 */ 5 6 #ifndef _CCU_NM_H_ 7 #define _CCU_NM_H_ 8 9 #include <linux/clk-provider.h> 10 11 #include "ccu_common.h" 12 #include "ccu_div.h" 13 #include "ccu_frac.h" 14 #include "ccu_mult.h" 15 #include "ccu_sdm.h" 16 17 /* 18 * struct ccu_nm - Definition of an N-M clock 19 * 20 * Clocks based on the formula parent * N / M 21 */ 22 struct ccu_nm { 23 u32 enable; 24 u32 lock; 25 26 struct ccu_mult_internal n; 27 struct ccu_div_internal m; 28 struct ccu_frac_internal frac; 29 struct ccu_sdm_internal sdm; 30 31 unsigned int fixed_post_div; 32 unsigned int min_rate; 33 unsigned int max_rate; 34 35 struct ccu_common common; 36 }; 37 38 #define SUNXI_CCU_NM_WITH_SDM_GATE_LOCK(_struct, _name, _parent, _reg, \ 39 _nshift, _nwidth, \ 40 _mshift, _mwidth, \ 41 _sdm_table, _sdm_en, \ 42 _sdm_reg, _sdm_reg_en, \ 43 _gate, _lock, _flags) \ 44 struct ccu_nm _struct = { \ 45 .enable = _gate, \ 46 .lock = _lock, \ 47 .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ 48 .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ 49 .sdm = _SUNXI_CCU_SDM(_sdm_table, _sdm_en, \ 50 _sdm_reg, _sdm_reg_en),\ 51 .common = { \ 52 .reg = _reg, \ 53 .features = CCU_FEATURE_SIGMA_DELTA_MOD, \ 54 .hw.init = CLK_HW_INIT(_name, \ 55 _parent, \ 56 &ccu_nm_ops, \ 57 _flags), \ 58 }, \ 59 } 60 61 #define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(_struct, _name, _parent, _reg, \ 62 _nshift, _nwidth, \ 63 _mshift, _mwidth, \ 64 _frac_en, _frac_sel, \ 65 _frac_rate_0, _frac_rate_1, \ 66 _gate, _lock, _flags) \ 67 struct ccu_nm _struct = { \ 68 .enable = _gate, \ 69 .lock = _lock, \ 70 .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ 71 .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ 72 .frac = _SUNXI_CCU_FRAC(_frac_en, _frac_sel, \ 73 _frac_rate_0, \ 74 _frac_rate_1), \ 75 .common = { \ 76 .reg = _reg, \ 77 .features = CCU_FEATURE_FRACTIONAL, \ 78 .hw.init = CLK_HW_INIT(_name, \ 79 _parent, \ 80 &ccu_nm_ops, \ 81 _flags), \ 82 }, \ 83 } 84 85 #define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN(_struct, _name, _parent, \ 86 _reg, _min_rate, \ 87 _nshift, _nwidth, \ 88 _mshift, _mwidth, \ 89 _frac_en, _frac_sel, \ 90 _frac_rate_0, _frac_rate_1,\ 91 _gate, _lock, _flags) \ 92 struct ccu_nm _struct = { \ 93 .enable = _gate, \ 94 .lock = _lock, \ 95 .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ 96 .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ 97 .frac = _SUNXI_CCU_FRAC(_frac_en, _frac_sel, \ 98 _frac_rate_0, \ 99 _frac_rate_1), \ 100 .min_rate = _min_rate, \ 101 .common = { \ 102 .reg = _reg, \ 103 .features = CCU_FEATURE_FRACTIONAL, \ 104 .hw.init = CLK_HW_INIT(_name, \ 105 _parent, \ 106 &ccu_nm_ops, \ 107 _flags), \ 108 }, \ 109 } 110 111 #define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX(_struct, _name, \ 112 _parent, _reg, \ 113 _min_rate, _max_rate, \ 114 _nshift, _nwidth, \ 115 _mshift, _mwidth, \ 116 _frac_en, _frac_sel, \ 117 _frac_rate_0, \ 118 _frac_rate_1, \ 119 _gate, _lock, _flags) \ 120 struct ccu_nm _struct = { \ 121 .enable = _gate, \ 122 .lock = _lock, \ 123 .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ 124 .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ 125 .frac = _SUNXI_CCU_FRAC(_frac_en, _frac_sel, \ 126 _frac_rate_0, \ 127 _frac_rate_1), \ 128 .min_rate = _min_rate, \ 129 .max_rate = _max_rate, \ 130 .common = { \ 131 .reg = _reg, \ 132 .features = CCU_FEATURE_FRACTIONAL, \ 133 .hw.init = CLK_HW_INIT(_name, \ 134 _parent, \ 135 &ccu_nm_ops, \ 136 _flags), \ 137 }, \ 138 } 139 140 #define SUNXI_CCU_NM_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \ 141 _nshift, _nwidth, \ 142 _mshift, _mwidth, \ 143 _gate, _lock, _flags) \ 144 struct ccu_nm _struct = { \ 145 .enable = _gate, \ 146 .lock = _lock, \ 147 .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ 148 .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ 149 .common = { \ 150 .reg = _reg, \ 151 .hw.init = CLK_HW_INIT(_name, \ 152 _parent, \ 153 &ccu_nm_ops, \ 154 _flags), \ 155 }, \ 156 } 157 158 static inline struct ccu_nm *hw_to_ccu_nm(struct clk_hw *hw) 159 { 160 struct ccu_common *common = hw_to_ccu_common(hw); 161 162 return container_of(common, struct ccu_nm, common); 163 } 164 165 extern const struct clk_ops ccu_nm_ops; 166 167 #endif /* _CCU_NM_H_ */ 168