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1// SPDX-License-Identifier: GPL-2.0-only2/*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-fields21 */22static struct temp_sensor_registers23omap5430_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-fields57 */58static struct temp_sensor_registers59omap5430_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-fields94 */95static struct temp_sensor_registers96omap5430_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 celsius161 * ADC code values from 540 to 945162 */163static int164omap5430_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};304