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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 | /* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2014 Google, Inc. */ #ifndef __PISTACHIO_CLK_H #define __PISTACHIO_CLK_H #include <linux/clk-provider.h> struct pistachio_gate { unsigned int id; unsigned long reg; unsigned int shift; const char *name; const char *parent; }; #define GATE(_id, _name, _pname, _reg, _shift) \ { \ .id = _id, \ .reg = _reg, \ .shift = _shift, \ .name = _name, \ .parent = _pname, \ } struct pistachio_mux { unsigned int id; unsigned long reg; unsigned int shift; unsigned int num_parents; const char *name; const char *const *parents; }; #define PNAME(x) static const char *const x[] __initconst #define MUX(_id, _name, _pnames, _reg, _shift) \ { \ .id = _id, \ .reg = _reg, \ .shift = _shift, \ .name = _name, \ .parents = _pnames, \ .num_parents = ARRAY_SIZE(_pnames) \ } struct pistachio_div { unsigned int id; unsigned long reg; unsigned int width; unsigned int div_flags; const char *name; const char *parent; }; #define DIV(_id, _name, _pname, _reg, _width) \ { \ .id = _id, \ .reg = _reg, \ .width = _width, \ .div_flags = 0, \ .name = _name, \ .parent = _pname, \ } #define DIV_F(_id, _name, _pname, _reg, _width, _div_flags) \ { \ .id = _id, \ .reg = _reg, \ .width = _width, \ .div_flags = _div_flags, \ .name = _name, \ .parent = _pname, \ } struct pistachio_fixed_factor { unsigned int id; unsigned int div; const char *name; const char *parent; }; #define FIXED_FACTOR(_id, _name, _pname, _div) \ { \ .id = _id, \ .div = _div, \ .name = _name, \ .parent = _pname, \ } struct pistachio_pll_rate_table { unsigned long long fref; unsigned long long fout; unsigned long long refdiv; unsigned long long fbdiv; unsigned long long postdiv1; unsigned long long postdiv2; unsigned long long frac; }; enum pistachio_pll_type { PLL_GF40LP_LAINT, PLL_GF40LP_FRAC, }; struct pistachio_pll { unsigned int id; unsigned long reg_base; enum pistachio_pll_type type; struct pistachio_pll_rate_table *rates; unsigned int nr_rates; const char *name; const char *parent; }; #define PLL(_id, _name, _pname, _type, _reg, _rates) \ { \ .id = _id, \ .reg_base = _reg, \ .type = _type, \ .rates = _rates, \ .nr_rates = ARRAY_SIZE(_rates), \ .name = _name, \ .parent = _pname, \ } #define PLL_FIXED(_id, _name, _pname, _type, _reg) \ { \ .id = _id, \ .reg_base = _reg, \ .type = _type, \ .rates = NULL, \ .nr_rates = 0, \ .name = _name, \ .parent = _pname, \ } struct pistachio_clk_provider { struct device_node *node; void __iomem *base; struct clk_onecell_data clk_data; }; extern struct pistachio_clk_provider * pistachio_clk_alloc_provider(struct device_node *node, unsigned int num_clks); extern void pistachio_clk_register_provider(struct pistachio_clk_provider *p); extern void pistachio_clk_register_gate(struct pistachio_clk_provider *p, struct pistachio_gate *gate, unsigned int num); extern void pistachio_clk_register_mux(struct pistachio_clk_provider *p, struct pistachio_mux *mux, unsigned int num); extern void pistachio_clk_register_div(struct pistachio_clk_provider *p, struct pistachio_div *div, unsigned int num); extern void pistachio_clk_register_fixed_factor(struct pistachio_clk_provider *p, struct pistachio_fixed_factor *ff, unsigned int num); extern void pistachio_clk_register_pll(struct pistachio_clk_provider *p, struct pistachio_pll *pll, unsigned int num); extern void pistachio_clk_force_enable(struct pistachio_clk_provider *p, unsigned int *clk_ids, unsigned int num); #endif |