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| 1 | +// SPDX-License-Identifier: GPL-2.0-only |
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1 | 2 | /* |
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2 | 3 | * OMAP3/OMAP4 smartreflex device file |
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3 | 4 | * |
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.. | .. |
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12 | 13 | * |
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13 | 14 | * Copyright (C) 2007 Texas Instruments, Inc. |
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14 | 15 | * Lesly A M <x0080970@ti.com> |
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15 | | - * |
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16 | | - * This program is free software; you can redistribute it and/or modify |
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17 | | - * it under the terms of the GNU General Public License version 2 as |
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18 | | - * published by the Free Software Foundation. |
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19 | 16 | */ |
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20 | 17 | #include <linux/power/smartreflex.h> |
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21 | 18 | |
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.. | .. |
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91 | 88 | |
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92 | 89 | extern struct omap_sr_data omap_sr_pdata[]; |
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93 | 90 | |
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94 | | -static int __init sr_dev_init(struct omap_hwmod *oh, void *user) |
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| 91 | +static int __init sr_init_by_name(const char *name, const char *voltdm) |
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95 | 92 | { |
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96 | 93 | struct omap_sr_data *sr_data = NULL; |
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97 | 94 | struct omap_volt_data *volt_data; |
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98 | | - struct omap_smartreflex_dev_attr *sr_dev_attr; |
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99 | 95 | static int i; |
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100 | 96 | |
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101 | | - if (!strncmp(oh->name, "smartreflex_mpu_iva", 20) || |
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102 | | - !strncmp(oh->name, "smartreflex_mpu", 16)) |
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| 97 | + if (!strncmp(name, "smartreflex_mpu_iva", 20) || |
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| 98 | + !strncmp(name, "smartreflex_mpu", 16)) |
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103 | 99 | sr_data = &omap_sr_pdata[OMAP_SR_MPU]; |
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104 | | - else if (!strncmp(oh->name, "smartreflex_core", 17)) |
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| 100 | + else if (!strncmp(name, "smartreflex_core", 17)) |
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105 | 101 | sr_data = &omap_sr_pdata[OMAP_SR_CORE]; |
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106 | | - else if (!strncmp(oh->name, "smartreflex_iva", 16)) |
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| 102 | + else if (!strncmp(name, "smartreflex_iva", 16)) |
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107 | 103 | sr_data = &omap_sr_pdata[OMAP_SR_IVA]; |
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108 | 104 | |
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109 | 105 | if (!sr_data) { |
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110 | | - pr_err("%s: Unknown instance %s\n", __func__, oh->name); |
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| 106 | + pr_err("%s: Unknown instance %s\n", __func__, name); |
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111 | 107 | return -EINVAL; |
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112 | 108 | } |
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113 | 109 | |
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114 | | - sr_dev_attr = (struct omap_smartreflex_dev_attr *)oh->dev_attr; |
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115 | | - if (!sr_dev_attr || !sr_dev_attr->sensor_voltdm_name) { |
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116 | | - pr_err("%s: No voltage domain specified for %s. Cannot initialize\n", |
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117 | | - __func__, oh->name); |
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118 | | - goto exit; |
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119 | | - } |
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120 | | - |
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121 | | - sr_data->name = oh->name; |
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122 | | - sr_data->ip_type = oh->class->rev; |
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| 110 | + sr_data->name = name; |
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| 111 | + if (cpu_is_omap343x()) |
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| 112 | + sr_data->ip_type = 1; |
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| 113 | + else |
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| 114 | + sr_data->ip_type = 2; |
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123 | 115 | sr_data->senn_mod = 0x1; |
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124 | 116 | sr_data->senp_mod = 0x1; |
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125 | 117 | |
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.. | .. |
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136 | 128 | } |
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137 | 129 | } |
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138 | 130 | |
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139 | | - sr_data->voltdm = voltdm_lookup(sr_dev_attr->sensor_voltdm_name); |
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| 131 | + sr_data->voltdm = voltdm_lookup(voltdm); |
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140 | 132 | if (!sr_data->voltdm) { |
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141 | 133 | pr_err("%s: Unable to get voltage domain pointer for VDD %s\n", |
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142 | | - __func__, sr_dev_attr->sensor_voltdm_name); |
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| 134 | + __func__, voltdm); |
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143 | 135 | goto exit; |
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144 | 136 | } |
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145 | 137 | |
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.. | .. |
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160 | 152 | return 0; |
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161 | 153 | } |
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162 | 154 | |
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| 155 | +static int __init sr_dev_init(struct omap_hwmod *oh, void *user) |
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| 156 | +{ |
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| 157 | + struct omap_smartreflex_dev_attr *sr_dev_attr; |
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| 158 | + |
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| 159 | + sr_dev_attr = (struct omap_smartreflex_dev_attr *)oh->dev_attr; |
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| 160 | + if (!sr_dev_attr || !sr_dev_attr->sensor_voltdm_name) { |
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| 161 | + pr_err("%s: No voltage domain specified for %s. Cannot initialize\n", |
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| 162 | + __func__, oh->name); |
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| 163 | + return 0; |
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| 164 | + } |
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| 165 | + |
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| 166 | + return sr_init_by_name(oh->name, sr_dev_attr->sensor_voltdm_name); |
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| 167 | +} |
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| 168 | + |
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163 | 169 | /* |
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164 | 170 | * API to be called from board files to enable smartreflex |
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165 | 171 | * autocompensation at init. |
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.. | .. |
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169 | 175 | sr_enable_on_init = true; |
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170 | 176 | } |
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171 | 177 | |
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| 178 | +static const char * const omap4_sr_instances[] = { |
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| 179 | + "mpu", |
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| 180 | + "iva", |
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| 181 | + "core", |
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| 182 | +}; |
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| 183 | + |
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| 184 | +static const char * const dra7_sr_instances[] = { |
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| 185 | + "mpu", |
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| 186 | + "core", |
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| 187 | +}; |
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| 188 | + |
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172 | 189 | int __init omap_devinit_smartreflex(void) |
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173 | 190 | { |
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| 191 | + const char * const *sr_inst = NULL; |
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| 192 | + int i, nr_sr = 0; |
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| 193 | + |
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| 194 | + if (soc_is_omap44xx()) { |
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| 195 | + sr_inst = omap4_sr_instances; |
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| 196 | + nr_sr = ARRAY_SIZE(omap4_sr_instances); |
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| 197 | + |
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| 198 | + } else if (soc_is_dra7xx()) { |
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| 199 | + sr_inst = dra7_sr_instances; |
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| 200 | + nr_sr = ARRAY_SIZE(dra7_sr_instances); |
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| 201 | + } |
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| 202 | + |
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| 203 | + if (nr_sr) { |
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| 204 | + const char *name, *voltdm; |
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| 205 | + |
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| 206 | + for (i = 0; i < nr_sr; i++) { |
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| 207 | + name = kasprintf(GFP_KERNEL, "smartreflex_%s", sr_inst[i]); |
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| 208 | + voltdm = sr_inst[i]; |
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| 209 | + sr_init_by_name(name, voltdm); |
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| 210 | + } |
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| 211 | + |
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| 212 | + return 0; |
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| 213 | + } |
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| 214 | + |
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174 | 215 | return omap_hwmod_for_each_by_class("smartreflex", sr_dev_init, NULL); |
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175 | 216 | } |
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