drivers/thermal/ti-soc-thermal/omap4-thermal-data.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * OMAP4 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 "omap4xxx-bandgap.h"
  13
  14 /*
  15  * OMAP4430 has one instance of thermal sensor for MPU
  16  * need to describe the individual bit fields
  17  */
  18 static struct temp_sensor_registers
  19 omap4430_mpu_temp_sensor_registers = {
  20         .temp_sensor_ctrl = OMAP4430_TEMP_SENSOR_CTRL_OFFSET,
  21         .bgap_tempsoff_mask = OMAP4430_BGAP_TEMPSOFF_MASK,
  22         .bgap_soc_mask = OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK,
  23         .bgap_eocz_mask = OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK,
  24         .bgap_dtemp_mask = OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK,
  25
  26         .bgap_mode_ctrl = OMAP4430_TEMP_SENSOR_CTRL_OFFSET,
  27         .mode_ctrl_mask = OMAP4430_SINGLE_MODE_MASK,
  28
  29         .bgap_efuse = OMAP4430_FUSE_OPP_BGAP,
  30 };
  31
  32 /* Thresholds and limits for OMAP4430 MPU temperature sensor */
  33 static struct temp_sensor_data omap4430_mpu_temp_sensor_data = {
  34         .min_freq = OMAP4430_MIN_FREQ,
  35         .max_freq = OMAP4430_MAX_FREQ,
  36 };
  37
  38 /*
  39  * Temperature values in milli degree celsius
  40  * ADC code values from 13 to 107, see TRM
  41  * "18.4.10.2.3 ADC Codes Versus Temperature".
  42  */
  43 static const int
  44 omap4430_adc_to_temp[OMAP4430_ADC_END_VALUE - OMAP4430_ADC_START_VALUE + 1] = {
  45         -40000, -38000, -35000, -34000, -32000, -30000, -28000, -26000, -24000,
  46         -22000, -20000, -18500, -17000, -15000, -13500, -12000, -10000, -8000,
  47         -6500, -5000, -3500, -1500, 0, 2000, 3500, 5000, 6500, 8500, 10000,
  48         12000, 13500, 15000, 17000, 19000, 21000, 23000, 25000, 27000, 28500,
  49         30000, 32000, 33500, 35000, 37000, 38500, 40000, 42000, 43500, 45000,
  50         47000, 48500, 50000, 52000, 53500, 55000, 57000, 58500, 60000, 62000,
  51         64000, 66000, 68000, 70000, 71500, 73500, 75000, 77000, 78500, 80000,
  52         82000, 83500, 85000, 87000, 88500, 90000, 92000, 93500, 95000, 97000,
  53         98500, 100000, 102000, 103500, 105000, 107000, 109000, 111000, 113000,
  54         115000, 117000, 118500, 120000, 122000, 123500, 125000,
  55 };
  56
  57 /* OMAP4430 data */
  58 const struct ti_bandgap_data omap4430_data = {
  59         .features = TI_BANDGAP_FEATURE_MODE_CONFIG |
  60                         TI_BANDGAP_FEATURE_CLK_CTRL |
  61                         TI_BANDGAP_FEATURE_POWER_SWITCH,
  62         .fclock_name = "bandgap_fclk",
  63         .div_ck_name = "bandgap_fclk",
  64         .conv_table = omap4430_adc_to_temp,
  65         .adc_start_val = OMAP4430_ADC_START_VALUE,
  66         .adc_end_val = OMAP4430_ADC_END_VALUE,
  67         .expose_sensor = ti_thermal_expose_sensor,
  68         .remove_sensor = ti_thermal_remove_sensor,
  69         .sensors = {
  70                 {
  71                 .registers = &omap4430_mpu_temp_sensor_registers,
  72                 .ts_data = &omap4430_mpu_temp_sensor_data,
  73                 .domain = "cpu",
  74                 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4430,
  75                 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4430,
  76                 .register_cooling = ti_thermal_register_cpu_cooling,
  77                 .unregister_cooling = ti_thermal_unregister_cpu_cooling,
  78                 },
  79         },
  80         .sensor_count = 1,
  81 };
  82 /*
  83  * OMAP4460 has one instance of thermal sensor for MPU
  84  * need to describe the individual bit fields
  85  */
  86 static struct temp_sensor_registers
  87 omap4460_mpu_temp_sensor_registers = {
  88         .temp_sensor_ctrl = OMAP4460_TEMP_SENSOR_CTRL_OFFSET,
  89         .bgap_tempsoff_mask = OMAP4460_BGAP_TEMPSOFF_MASK,
  90         .bgap_soc_mask = OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK,
  91         .bgap_eocz_mask = OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK,
  92         .bgap_dtemp_mask = OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK,
  93
  94         .bgap_mask_ctrl = OMAP4460_BGAP_CTRL_OFFSET,
  95         .mask_hot_mask = OMAP4460_MASK_HOT_MASK,
  96         .mask_cold_mask = OMAP4460_MASK_COLD_MASK,
  97
  98         .bgap_mode_ctrl = OMAP4460_BGAP_CTRL_OFFSET,
  99         .mode_ctrl_mask = OMAP4460_SINGLE_MODE_MASK,
 100
 101         .bgap_counter = OMAP4460_BGAP_COUNTER_OFFSET,
 102         .counter_mask = OMAP4460_COUNTER_MASK,
 103
 104         .bgap_threshold = OMAP4460_BGAP_THRESHOLD_OFFSET,
 105         .threshold_thot_mask = OMAP4460_T_HOT_MASK,
 106         .threshold_tcold_mask = OMAP4460_T_COLD_MASK,
 107
 108         .tshut_threshold = OMAP4460_BGAP_TSHUT_OFFSET,
 109         .tshut_hot_mask = OMAP4460_TSHUT_HOT_MASK,
 110         .tshut_cold_mask = OMAP4460_TSHUT_COLD_MASK,
 111
 112         .bgap_status = OMAP4460_BGAP_STATUS_OFFSET,
 113         .status_hot_mask = OMAP4460_HOT_FLAG_MASK,
 114         .status_cold_mask = OMAP4460_COLD_FLAG_MASK,
 115
 116         .bgap_efuse = OMAP4460_FUSE_OPP_BGAP,
 117 };
 118
 119 /* Thresholds and limits for OMAP4460 MPU temperature sensor */
 120 static struct temp_sensor_data omap4460_mpu_temp_sensor_data = {
 121         .tshut_hot = OMAP4460_TSHUT_HOT,
 122         .tshut_cold = OMAP4460_TSHUT_COLD,
 123         .t_hot = OMAP4460_T_HOT,
 124         .t_cold = OMAP4460_T_COLD,
 125         .min_freq = OMAP4460_MIN_FREQ,
 126         .max_freq = OMAP4460_MAX_FREQ,
 127 };
 128
 129 /*
 130  * Temperature values in milli degree celsius
 131  * ADC code values from 530 to 923
 132  */
 133 static const int
 134 omap4460_adc_to_temp[OMAP4460_ADC_END_VALUE - OMAP4460_ADC_START_VALUE + 1] = {
 135         -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200,
 136         -37800, -37300, -36800, -36400, -36000, -35600, -35200, -34800,
 137         -34300, -33800, -33400, -33000, -32600, -32200, -31800, -31300,
 138         -30800, -30400, -30000, -29600, -29200, -28700, -28200, -27800,
 139         -27400, -27000, -26600, -26200, -25700, -25200, -24800, -24400,
 140         -24000, -23600, -23200, -22700, -22200, -21800, -21400, -21000,
 141         -20600, -20200, -19700, -19200, -18800, -18400, -18000, -17600,
 142         -17200, -16700, -16200, -15800, -15400, -15000, -14600, -14200,
 143         -13700, -13200, -12800, -12400, -12000, -11600, -11200, -10700,
 144         -10200, -9800, -9400, -9000, -8600, -8200, -7700, -7200, -6800,
 145         -6400, -6000, -5600, -5200, -4800, -4300, -3800, -3400, -3000,
 146         -2600, -2200, -1800, -1300, -800, -400, 0, 400, 800, 1200, 1600,
 147         2100, 2600, 3000, 3400, 3800, 4200, 4600, 5100, 5600, 6000, 6400,
 148         6800, 7200, 7600, 8000, 8500, 9000, 9400, 9800, 10200, 10600, 11000,
 149         11400, 11900, 12400, 12800, 13200, 13600, 14000, 14400, 14800,
 150         15300, 15800, 16200, 16600, 17000, 17400, 17800, 18200, 18700,
 151         19200, 19600, 20000, 20400, 20800, 21200, 21600, 22100, 22600,
 152         23000, 23400, 23800, 24200, 24600, 25000, 25400, 25900, 26400,
 153         26800, 27200, 27600, 28000, 28400, 28800, 29300, 29800, 30200,
 154         30600, 31000, 31400, 31800, 32200, 32600, 33100, 33600, 34000,
 155         34400, 34800, 35200, 35600, 36000, 36400, 36800, 37300, 37800,
 156         38200, 38600, 39000, 39400, 39800, 40200, 40600, 41100, 41600,
 157         42000, 42400, 42800, 43200, 43600, 44000, 44400, 44800, 45300,
 158         45800, 46200, 46600, 47000, 47400, 47800, 48200, 48600, 49000,
 159         49500, 50000, 50400, 50800, 51200, 51600, 52000, 52400, 52800,
 160         53200, 53700, 54200, 54600, 55000, 55400, 55800, 56200, 56600,
 161         57000, 57400, 57800, 58200, 58700, 59200, 59600, 60000, 60400,
 162         60800, 61200, 61600, 62000, 62400, 62800, 63300, 63800, 64200,
 163         64600, 65000, 65400, 65800, 66200, 66600, 67000, 67400, 67800,
 164         68200, 68700, 69200, 69600, 70000, 70400, 70800, 71200, 71600,
 165         72000, 72400, 72800, 73200, 73600, 74100, 74600, 75000, 75400,
 166         75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000,
 167         79400, 79800, 80300, 80800, 81200, 81600, 82000, 82400, 82800,
 168         83200, 83600, 84000, 84400, 84800, 85200, 85600, 86000, 86400,
 169         86800, 87300, 87800, 88200, 88600, 89000, 89400, 89800, 90200,
 170         90600, 91000, 91400, 91800, 92200, 92600, 93000, 93400, 93800,
 171         94200, 94600, 95000, 95500, 96000, 96400, 96800, 97200, 97600,
 172         98000, 98400, 98800, 99200, 99600, 100000, 100400, 100800, 101200,
 173         101600, 102000, 102400, 102800, 103200, 103600, 104000, 104400,
 174         104800, 105200, 105600, 106100, 106600, 107000, 107400, 107800,
 175         108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000,
 176         111400, 111800, 112200, 112600, 113000, 113400, 113800, 114200,
 177         114600, 115000, 115400, 115800, 116200, 116600, 117000, 117400,
 178         117800, 118200, 118600, 119000, 119400, 119800, 120200, 120600,
 179         121000, 121400, 121800, 122200, 122600, 123000, 123400, 123800, 124200,
 180         124600, 124900, 125000, 125000, 125000, 125000
 181 };
 182
 183 /* OMAP4460 data */
 184 const struct ti_bandgap_data omap4460_data = {
 185         .features = TI_BANDGAP_FEATURE_TSHUT |
 186                         TI_BANDGAP_FEATURE_TSHUT_CONFIG |
 187                         TI_BANDGAP_FEATURE_TALERT |
 188                         TI_BANDGAP_FEATURE_MODE_CONFIG |
 189                         TI_BANDGAP_FEATURE_POWER_SWITCH |
 190                         TI_BANDGAP_FEATURE_CLK_CTRL |
 191                         TI_BANDGAP_FEATURE_COUNTER,
 192         .fclock_name = "bandgap_ts_fclk",
 193         .div_ck_name = "div_ts_ck",
 194         .conv_table = omap4460_adc_to_temp,
 195         .adc_start_val = OMAP4460_ADC_START_VALUE,
 196         .adc_end_val = OMAP4460_ADC_END_VALUE,
 197         .expose_sensor = ti_thermal_expose_sensor,
 198         .remove_sensor = ti_thermal_remove_sensor,
 199         .report_temperature = ti_thermal_report_sensor_temperature,
 200         .sensors = {
 201                 {
 202                 .registers = &omap4460_mpu_temp_sensor_registers,
 203                 .ts_data = &omap4460_mpu_temp_sensor_data,
 204                 .domain = "cpu",
 205                 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4460,
 206                 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4460,
 207                 .register_cooling = ti_thermal_register_cpu_cooling,
 208                 .unregister_cooling = ti_thermal_unregister_cpu_cooling,
 209                 },
 210         },
 211         .sensor_count = 1,
 212 };
 213
 214 /* OMAP4470 data */
 215 const struct ti_bandgap_data omap4470_data = {
 216         .features = TI_BANDGAP_FEATURE_TSHUT |
 217                         TI_BANDGAP_FEATURE_TSHUT_CONFIG |
 218                         TI_BANDGAP_FEATURE_TALERT |
 219                         TI_BANDGAP_FEATURE_MODE_CONFIG |
 220                         TI_BANDGAP_FEATURE_POWER_SWITCH |
 221                         TI_BANDGAP_FEATURE_CLK_CTRL |
 222                         TI_BANDGAP_FEATURE_COUNTER,
 223         .fclock_name = "bandgap_ts_fclk",
 224         .div_ck_name = "div_ts_ck",
 225         .conv_table = omap4460_adc_to_temp,
 226         .adc_start_val = OMAP4460_ADC_START_VALUE,
 227         .adc_end_val = OMAP4460_ADC_END_VALUE,
 228         .expose_sensor = ti_thermal_expose_sensor,
 229         .remove_sensor = ti_thermal_remove_sensor,
 230         .report_temperature = ti_thermal_report_sensor_temperature,
 231         .sensors = {
 232                 {
 233                 .registers = &omap4460_mpu_temp_sensor_registers,
 234                 .ts_data = &omap4460_mpu_temp_sensor_data,
 235                 .domain = "cpu",
 236                 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4470,
 237                 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4470,
 238                 .register_cooling = ti_thermal_register_cpu_cooling,
 239                 .unregister_cooling = ti_thermal_unregister_cpu_cooling,
 240                 },
 241         },
 242         .sensor_count = 1,
 243 };