omap5-thermal-data.c (10836B)
1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * OMAP5 thermal driver. 4 * 5 * Copyright (C) 2011-2012 Texas Instruments Inc. 6 * Contact: 7 * Eduardo Valentin <eduardo.valentin@ti.com> 8 */ 9 10#include "ti-thermal.h" 11#include "ti-bandgap.h" 12#include "omap5xxx-bandgap.h" 13 14/* 15 * OMAP5430 has three instances of thermal sensor for MPU, GPU & CORE, 16 * need to describe the individual registers and bit fields. 17 */ 18 19/* 20 * OMAP5430 MPU thermal sensor register offset and bit-fields 21 */ 22static struct temp_sensor_registers 23omap5430_mpu_temp_sensor_registers = { 24 .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_MPU_OFFSET, 25 .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK, 26 .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK, 27 .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK, 28 29 .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET, 30 .mask_hot_mask = OMAP5430_MASK_HOT_MPU_MASK, 31 .mask_cold_mask = OMAP5430_MASK_COLD_MPU_MASK, 32 .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK, 33 .mask_freeze_mask = OMAP5430_MASK_FREEZE_MPU_MASK, 34 35 .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET, 36 .counter_mask = OMAP5430_COUNTER_MASK, 37 38 .bgap_threshold = OMAP5430_BGAP_THRESHOLD_MPU_OFFSET, 39 .threshold_thot_mask = OMAP5430_T_HOT_MASK, 40 .threshold_tcold_mask = OMAP5430_T_COLD_MASK, 41 42 .tshut_threshold = OMAP5430_BGAP_TSHUT_MPU_OFFSET, 43 .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK, 44 .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK, 45 46 .bgap_status = OMAP5430_BGAP_STATUS_OFFSET, 47 .status_hot_mask = OMAP5430_HOT_MPU_FLAG_MASK, 48 .status_cold_mask = OMAP5430_COLD_MPU_FLAG_MASK, 49 50 .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_MPU_1_OFFSET, 51 .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_MPU_2_OFFSET, 52 .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_MPU, 53}; 54 55/* 56 * OMAP5430 GPU thermal sensor register offset and bit-fields 57 */ 58static struct temp_sensor_registers 59omap5430_gpu_temp_sensor_registers = { 60 .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_GPU_OFFSET, 61 .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK, 62 .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK, 63 .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK, 64 65 .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET, 66 .mask_hot_mask = OMAP5430_MASK_HOT_GPU_MASK, 67 .mask_cold_mask = OMAP5430_MASK_COLD_GPU_MASK, 68 .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK, 69 .mask_freeze_mask = OMAP5430_MASK_FREEZE_GPU_MASK, 70 71 .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET, 72 .counter_mask = OMAP5430_COUNTER_MASK, 73 74 .bgap_threshold = OMAP5430_BGAP_THRESHOLD_GPU_OFFSET, 75 .threshold_thot_mask = OMAP5430_T_HOT_MASK, 76 .threshold_tcold_mask = OMAP5430_T_COLD_MASK, 77 78 .tshut_threshold = OMAP5430_BGAP_TSHUT_GPU_OFFSET, 79 .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK, 80 .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK, 81 82 .bgap_status = OMAP5430_BGAP_STATUS_OFFSET, 83 .status_hot_mask = OMAP5430_HOT_GPU_FLAG_MASK, 84 .status_cold_mask = OMAP5430_COLD_GPU_FLAG_MASK, 85 86 .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_GPU_1_OFFSET, 87 .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_GPU_2_OFFSET, 88 89 .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_GPU, 90}; 91 92/* 93 * OMAP5430 CORE thermal sensor register offset and bit-fields 94 */ 95static struct temp_sensor_registers 96omap5430_core_temp_sensor_registers = { 97 .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_CORE_OFFSET, 98 .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK, 99 .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK, 100 .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK, 101 102 .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET, 103 .mask_hot_mask = OMAP5430_MASK_HOT_CORE_MASK, 104 .mask_cold_mask = OMAP5430_MASK_COLD_CORE_MASK, 105 .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK, 106 .mask_freeze_mask = OMAP5430_MASK_FREEZE_CORE_MASK, 107 108 .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET, 109 .counter_mask = OMAP5430_COUNTER_MASK, 110 111 .bgap_threshold = OMAP5430_BGAP_THRESHOLD_CORE_OFFSET, 112 .threshold_thot_mask = OMAP5430_T_HOT_MASK, 113 .threshold_tcold_mask = OMAP5430_T_COLD_MASK, 114 115 .tshut_threshold = OMAP5430_BGAP_TSHUT_CORE_OFFSET, 116 .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK, 117 .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK, 118 119 .bgap_status = OMAP5430_BGAP_STATUS_OFFSET, 120 .status_hot_mask = OMAP5430_HOT_CORE_FLAG_MASK, 121 .status_cold_mask = OMAP5430_COLD_CORE_FLAG_MASK, 122 123 .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_CORE_1_OFFSET, 124 .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_CORE_2_OFFSET, 125 126 .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_CORE, 127}; 128 129/* Thresholds and limits for OMAP5430 MPU temperature sensor */ 130static struct temp_sensor_data omap5430_mpu_temp_sensor_data = { 131 .tshut_hot = OMAP5430_MPU_TSHUT_HOT, 132 .tshut_cold = OMAP5430_MPU_TSHUT_COLD, 133 .t_hot = OMAP5430_MPU_T_HOT, 134 .t_cold = OMAP5430_MPU_T_COLD, 135 .min_freq = OMAP5430_MPU_MIN_FREQ, 136 .max_freq = OMAP5430_MPU_MAX_FREQ, 137}; 138 139/* Thresholds and limits for OMAP5430 GPU temperature sensor */ 140static struct temp_sensor_data omap5430_gpu_temp_sensor_data = { 141 .tshut_hot = OMAP5430_GPU_TSHUT_HOT, 142 .tshut_cold = OMAP5430_GPU_TSHUT_COLD, 143 .t_hot = OMAP5430_GPU_T_HOT, 144 .t_cold = OMAP5430_GPU_T_COLD, 145 .min_freq = OMAP5430_GPU_MIN_FREQ, 146 .max_freq = OMAP5430_GPU_MAX_FREQ, 147}; 148 149/* Thresholds and limits for OMAP5430 CORE temperature sensor */ 150static struct temp_sensor_data omap5430_core_temp_sensor_data = { 151 .tshut_hot = OMAP5430_CORE_TSHUT_HOT, 152 .tshut_cold = OMAP5430_CORE_TSHUT_COLD, 153 .t_hot = OMAP5430_CORE_T_HOT, 154 .t_cold = OMAP5430_CORE_T_COLD, 155 .min_freq = OMAP5430_CORE_MIN_FREQ, 156 .max_freq = OMAP5430_CORE_MAX_FREQ, 157}; 158 159/* 160 * OMAP54xx ES2.0 : Temperature values in milli degree celsius 161 * ADC code values from 540 to 945 162 */ 163static int 164omap5430_adc_to_temp[ 165 OMAP5430_ADC_END_VALUE - OMAP5430_ADC_START_VALUE + 1] = { 166 /* Index 540 - 549 */ 167 -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200, 168 -37800, 169 /* Index 550 - 559 */ 170 -37400, -37000, -36600, -36200, -35800, -35300, -34700, -34200, -33800, 171 -33400, 172 /* Index 560 - 569 */ 173 -33000, -32600, -32200, -31800, -31400, -31000, -30600, -30200, -29800, 174 -29400, 175 /* Index 570 - 579 */ 176 -29000, -28600, -28200, -27700, -27100, -26600, -26200, -25800, -25400, 177 -25000, 178 /* Index 580 - 589 */ 179 -24600, -24200, -23800, -23400, -23000, -22600, -22200, -21600, -21400, 180 -21000, 181 /* Index 590 - 599 */ 182 -20500, -19900, -19400, -19000, -18600, -18200, -17800, -17400, -17000, 183 -16600, 184 /* Index 600 - 609 */ 185 -16200, -15800, -15400, -15000, -14600, -14200, -13800, -13400, -13000, 186 -12500, 187 /* Index 610 - 619 */ 188 -11900, -11400, -11000, -10600, -10200, -9800, -9400, -9000, -8600, 189 -8200, 190 /* Index 620 - 629 */ 191 -7800, -7400, -7000, -6600, -6200, -5800, -5400, -5000, -4500, -3900, 192 /* Index 630 - 639 */ 193 -3400, -3000, -2600, -2200, -1800, -1400, -1000, -600, -200, 200, 194 /* Index 640 - 649 */ 195 600, 1000, 1400, 1800, 2200, 2600, 3000, 3400, 3900, 4500, 196 /* Index 650 - 659 */ 197 5000, 5400, 5800, 6200, 6600, 7000, 7400, 7800, 8200, 8600, 198 /* Index 660 - 669 */ 199 9000, 9400, 9800, 10200, 10600, 11000, 11400, 11800, 12200, 12700, 200 /* Index 670 - 679 */ 201 13300, 13800, 14200, 14600, 15000, 15400, 15800, 16200, 16600, 17000, 202 /* Index 680 - 689 */ 203 17400, 17800, 18200, 18600, 19000, 19400, 19800, 20200, 20600, 21100, 204 /* Index 690 - 699 */ 205 21400, 21900, 22500, 23000, 23400, 23800, 24200, 24600, 25000, 25400, 206 /* Index 700 - 709 */ 207 25800, 26200, 26600, 27000, 27400, 27800, 28200, 28600, 29000, 29400, 208 /* Index 710 - 719 */ 209 29800, 30200, 30600, 31000, 31400, 31900, 32500, 33000, 33400, 33800, 210 /* Index 720 - 729 */ 211 34200, 34600, 35000, 35400, 35800, 36200, 36600, 37000, 37400, 37800, 212 /* Index 730 - 739 */ 213 38200, 38600, 39000, 39400, 39800, 40200, 40600, 41000, 41400, 41800, 214 /* Index 740 - 749 */ 215 42200, 42600, 43100, 43700, 44200, 44600, 45000, 45400, 45800, 46200, 216 /* Index 750 - 759 */ 217 46600, 47000, 47400, 47800, 48200, 48600, 49000, 49400, 49800, 50200, 218 /* Index 760 - 769 */ 219 50600, 51000, 51400, 51800, 52200, 52600, 53000, 53400, 53800, 54200, 220 /* Index 770 - 779 */ 221 54600, 55000, 55400, 55900, 56500, 57000, 57400, 57800, 58200, 58600, 222 /* Index 780 - 789 */ 223 59000, 59400, 59800, 60200, 60600, 61000, 61400, 61800, 62200, 62600, 224 /* Index 790 - 799 */ 225 63000, 63400, 63800, 64200, 64600, 65000, 65400, 65800, 66200, 66600, 226 /* Index 800 - 809 */ 227 67000, 67400, 67800, 68200, 68600, 69000, 69400, 69800, 70200, 70600, 228 /* Index 810 - 819 */ 229 71000, 71500, 72100, 72600, 73000, 73400, 73800, 74200, 74600, 75000, 230 /* Index 820 - 829 */ 231 75400, 75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000, 232 /* Index 830 - 839 */ 233 79400, 79800, 80200, 80600, 81000, 81400, 81800, 82200, 82600, 83000, 234 /* Index 840 - 849 */ 235 83400, 83800, 84200, 84600, 85000, 85400, 85800, 86200, 86600, 87000, 236 /* Index 850 - 859 */ 237 87400, 87800, 88200, 88600, 89000, 89400, 89800, 90200, 90600, 91000, 238 /* Index 860 - 869 */ 239 91400, 91800, 92200, 92600, 93000, 93400, 93800, 94200, 94600, 95000, 240 /* Index 870 - 879 */ 241 95400, 95800, 96200, 96600, 97000, 97500, 98100, 98600, 99000, 99400, 242 /* Index 880 - 889 */ 243 99800, 100200, 100600, 101000, 101400, 101800, 102200, 102600, 103000, 244 103400, 245 /* Index 890 - 899 */ 246 103800, 104200, 104600, 105000, 105400, 105800, 106200, 106600, 107000, 247 107400, 248 /* Index 900 - 909 */ 249 107800, 108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000, 250 111400, 251 /* Index 910 - 919 */ 252 111800, 112200, 112600, 113000, 113400, 113800, 114200, 114600, 115000, 253 115400, 254 /* Index 920 - 929 */ 255 115800, 116200, 116600, 117000, 117400, 117800, 118200, 118600, 119000, 256 119400, 257 /* Index 930 - 939 */ 258 119800, 120200, 120600, 121000, 121400, 121800, 122400, 122600, 123000, 259 123400, 260 /* Index 940 - 945 */ 261 123800, 124200, 124600, 124900, 125000, 125000, 262}; 263 264/* OMAP54xx ES2.0 data */ 265const struct ti_bandgap_data omap5430_data = { 266 .features = TI_BANDGAP_FEATURE_TSHUT_CONFIG | 267 TI_BANDGAP_FEATURE_FREEZE_BIT | 268 TI_BANDGAP_FEATURE_TALERT | 269 TI_BANDGAP_FEATURE_COUNTER_DELAY | 270 TI_BANDGAP_FEATURE_HISTORY_BUFFER, 271 .fclock_name = "l3instr_ts_gclk_div", 272 .div_ck_name = "l3instr_ts_gclk_div", 273 .conv_table = omap5430_adc_to_temp, 274 .adc_start_val = OMAP5430_ADC_START_VALUE, 275 .adc_end_val = OMAP5430_ADC_END_VALUE, 276 .expose_sensor = ti_thermal_expose_sensor, 277 .remove_sensor = ti_thermal_remove_sensor, 278 .report_temperature = ti_thermal_report_sensor_temperature, 279 .sensors = { 280 { 281 .registers = &omap5430_mpu_temp_sensor_registers, 282 .ts_data = &omap5430_mpu_temp_sensor_data, 283 .domain = "cpu", 284 .register_cooling = ti_thermal_register_cpu_cooling, 285 .unregister_cooling = ti_thermal_unregister_cpu_cooling, 286 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU, 287 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_CPU, 288 }, 289 { 290 .registers = &omap5430_gpu_temp_sensor_registers, 291 .ts_data = &omap5430_gpu_temp_sensor_data, 292 .domain = "gpu", 293 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU, 294 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_GPU, 295 }, 296 { 297 .registers = &omap5430_core_temp_sensor_registers, 298 .ts_data = &omap5430_core_temp_sensor_data, 299 .domain = "core", 300 }, 301 }, 302 .sensor_count = 3, 303};