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_CONTINUOUS_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                         TI_BANDGAP_FEATURE_CONT_MODE_ONLY,
  63         .fclock_name = "bandgap_fclk",
  64         .div_ck_name = "bandgap_fclk",
  65         .conv_table = omap4430_adc_to_temp,
  66         .adc_start_val = OMAP4430_ADC_START_VALUE,
  67         .adc_end_val = OMAP4430_ADC_END_VALUE,
  68         .expose_sensor = ti_thermal_expose_sensor,
  69         .remove_sensor = ti_thermal_remove_sensor,
  70         .sensors = {
  71                 {
  72                 .registers = &omap4430_mpu_temp_sensor_registers,
  73                 .ts_data = &omap4430_mpu_temp_sensor_data,
  74                 .domain = "cpu",
  75                 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4430,
  76                 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4430,
  77                 .register_cooling = ti_thermal_register_cpu_cooling,
  78                 .unregister_cooling = ti_thermal_unregister_cpu_cooling,
  79                 },
  80         },
  81         .sensor_count = 1,
  82 };
  83 /*
  84  * OMAP4460 has one instance of thermal sensor for MPU
  85  * need to describe the individual bit fields
  86  */
  87 static struct temp_sensor_registers
  88 omap4460_mpu_temp_sensor_registers = {
  89         .temp_sensor_ctrl = OMAP4460_TEMP_SENSOR_CTRL_OFFSET,
  90         .bgap_tempsoff_mask = OMAP4460_BGAP_TEMPSOFF_MASK,
  91         .bgap_soc_mask = OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK,
  92         .bgap_eocz_mask = OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK,
  93         .bgap_dtemp_mask = OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK,
  94
  95         .bgap_mask_ctrl = OMAP4460_BGAP_CTRL_OFFSET,
  96         .mask_hot_mask = OMAP4460_MASK_HOT_MASK,
  97         .mask_cold_mask = OMAP4460_MASK_COLD_MASK,
  98
  99         .bgap_mode_ctrl = OMAP4460_BGAP_CTRL_OFFSET,
 100         .mode_ctrl_mask = OMAP4460_CONTINUOUS_MODE_MASK,
 101
 102         .bgap_counter = OMAP4460_BGAP_COUNTER_OFFSET,
 103         .counter_mask = OMAP4460_COUNTER_MASK,
 104
 105         .bgap_threshold = OMAP4460_BGAP_THRESHOLD_OFFSET,
 106         .threshold_thot_mask = OMAP4460_T_HOT_MASK,
 107         .threshold_tcold_mask = OMAP4460_T_COLD_MASK,
 108
 109         .tshut_threshold = OMAP4460_BGAP_TSHUT_OFFSET,
 110         .tshut_hot_mask = OMAP4460_TSHUT_HOT_MASK,
 111         .tshut_cold_mask = OMAP4460_TSHUT_COLD_MASK,
 112
 113         .bgap_status = OMAP4460_BGAP_STATUS_OFFSET,
 114         .status_hot_mask = OMAP4460_HOT_FLAG_MASK,
 115         .status_cold_mask = OMAP4460_COLD_FLAG_MASK,
 116
 117         .bgap_efuse = OMAP4460_FUSE_OPP_BGAP,
 118 };
 119
 120 /* Thresholds and limits for OMAP4460 MPU temperature sensor */
 121 static struct temp_sensor_data omap4460_mpu_temp_sensor_data = {
 122         .tshut_hot = OMAP4460_TSHUT_HOT,
 123         .tshut_cold = OMAP4460_TSHUT_COLD,
 124         .t_hot = OMAP4460_T_HOT,
 125         .t_cold = OMAP4460_T_COLD,
 126         .min_freq = OMAP4460_MIN_FREQ,
 127         .max_freq = OMAP4460_MAX_FREQ,
 128 };
 129
 130 /*
 131  * Temperature values in milli degree celsius
 132  * ADC code values from 530 to 923
 133  */
 134 static const int
 135 omap4460_adc_to_temp[OMAP4460_ADC_END_VALUE - OMAP4460_ADC_START_VALUE + 1] = {
 136         -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200,
 137         -37800, -37300, -36800, -36400, -36000, -35600, -35200, -34800,
 138         -34300, -33800, -33400, -33000, -32600, -32200, -31800, -31300,
 139         -30800, -30400, -30000, -29600, -29200, -28700, -28200, -27800,
 140         -27400, -27000, -26600, -26200, -25700, -25200, -24800, -24400,
 141         -24000, -23600, -23200, -22700, -22200, -21800, -21400, -21000,
 142         -20600, -20200, -19700, -19200, -18800, -18400, -18000, -17600,
 143         -17200, -16700, -16200, -15800, -15400, -15000, -14600, -14200,
 144         -13700, -13200, -12800, -12400, -12000, -11600, -11200, -10700,
 145         -10200, -9800, -9400, -9000, -8600, -8200, -7700, -7200, -6800,
 146         -6400, -6000, -5600, -5200, -4800, -4300, -3800, -3400, -3000,
 147         -2600, -2200, -1800, -1300, -800, -400, 0, 400, 800, 1200, 1600,
 148         2100, 2600, 3000, 3400, 3800, 4200, 4600, 5100, 5600, 6000, 6400,
 149         6800, 7200, 7600, 8000, 8500, 9000, 9400, 9800, 10200, 10600, 11000,
 150         11400, 11900, 12400, 12800, 13200, 13600, 14000, 14400, 14800,
 151         15300, 15800, 16200, 16600, 17000, 17400, 17800, 18200, 18700,
 152         19200, 19600, 20000, 20400, 20800, 21200, 21600, 22100, 22600,
 153         23000, 23400, 23800, 24200, 24600, 25000, 25400, 25900, 26400,
 154         26800, 27200, 27600, 28000, 28400, 28800, 29300, 29800, 30200,
 155         30600, 31000, 31400, 31800, 32200, 32600, 33100, 33600, 34000,
 156         34400, 34800, 35200, 35600, 36000, 36400, 36800, 37300, 37800,
 157         38200, 38600, 39000, 39400, 39800, 40200, 40600, 41100, 41600,
 158         42000, 42400, 42800, 43200, 43600, 44000, 44400, 44800, 45300,
 159         45800, 46200, 46600, 47000, 47400, 47800, 48200, 48600, 49000,
 160         49500, 50000, 50400, 50800, 51200, 51600, 52000, 52400, 52800,
 161         53200, 53700, 54200, 54600, 55000, 55400, 55800, 56200, 56600,
 162         57000, 57400, 57800, 58200, 58700, 59200, 59600, 60000, 60400,
 163         60800, 61200, 61600, 62000, 62400, 62800, 63300, 63800, 64200,
 164         64600, 65000, 65400, 65800, 66200, 66600, 67000, 67400, 67800,
 165         68200, 68700, 69200, 69600, 70000, 70400, 70800, 71200, 71600,
 166         72000, 72400, 72800, 73200, 73600, 74100, 74600, 75000, 75400,
 167         75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000,
 168         79400, 79800, 80300, 80800, 81200, 81600, 82000, 82400, 82800,
 169         83200, 83600, 84000, 84400, 84800, 85200, 85600, 86000, 86400,
 170         86800, 87300, 87800, 88200, 88600, 89000, 89400, 89800, 90200,
 171         90600, 91000, 91400, 91800, 92200, 92600, 93000, 93400, 93800,
 172         94200, 94600, 95000, 95500, 96000, 96400, 96800, 97200, 97600,
 173         98000, 98400, 98800, 99200, 99600, 100000, 100400, 100800, 101200,
 174         101600, 102000, 102400, 102800, 103200, 103600, 104000, 104400,
 175         104800, 105200, 105600, 106100, 106600, 107000, 107400, 107800,
 176         108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000,
 177         111400, 111800, 112200, 112600, 113000, 113400, 113800, 114200,
 178         114600, 115000, 115400, 115800, 116200, 116600, 117000, 117400,
 179         117800, 118200, 118600, 119000, 119400, 119800, 120200, 120600,
 180         121000, 121400, 121800, 122200, 122600, 123000, 123400, 123800, 124200,
 181         124600, 124900, 125000, 125000, 125000, 125000
 182 };
 183
 184 /* OMAP4460 data */
 185 const struct ti_bandgap_data omap4460_data = {
 186         .features = TI_BANDGAP_FEATURE_TSHUT |
 187                         TI_BANDGAP_FEATURE_TSHUT_CONFIG |
 188                         TI_BANDGAP_FEATURE_TALERT |
 189                         TI_BANDGAP_FEATURE_MODE_CONFIG |
 190                         TI_BANDGAP_FEATURE_POWER_SWITCH |
 191                         TI_BANDGAP_FEATURE_CLK_CTRL |
 192                         TI_BANDGAP_FEATURE_COUNTER,
 193         .fclock_name = "bandgap_ts_fclk",
 194         .div_ck_name = "div_ts_ck",
 195         .conv_table = omap4460_adc_to_temp,
 196         .adc_start_val = OMAP4460_ADC_START_VALUE,
 197         .adc_end_val = OMAP4460_ADC_END_VALUE,
 198         .expose_sensor = ti_thermal_expose_sensor,
 199         .remove_sensor = ti_thermal_remove_sensor,
 200         .report_temperature = ti_thermal_report_sensor_temperature,
 201         .sensors = {
 202                 {
 203                 .registers = &omap4460_mpu_temp_sensor_registers,
 204                 .ts_data = &omap4460_mpu_temp_sensor_data,
 205                 .domain = "cpu",
 206                 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4460,
 207                 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4460,
 208                 .register_cooling = ti_thermal_register_cpu_cooling,
 209                 .unregister_cooling = ti_thermal_unregister_cpu_cooling,
 210                 },
 211         },
 212         .sensor_count = 1,
 213 };
 214
 215 /* OMAP4470 data */
 216 const struct ti_bandgap_data omap4470_data = {
 217         .features = TI_BANDGAP_FEATURE_TSHUT |
 218                         TI_BANDGAP_FEATURE_TSHUT_CONFIG |
 219                         TI_BANDGAP_FEATURE_TALERT |
 220                         TI_BANDGAP_FEATURE_MODE_CONFIG |
 221                         TI_BANDGAP_FEATURE_POWER_SWITCH |
 222                         TI_BANDGAP_FEATURE_CLK_CTRL |
 223                         TI_BANDGAP_FEATURE_COUNTER,
 224         .fclock_name = "bandgap_ts_fclk",
 225         .div_ck_name = "div_ts_ck",
 226         .conv_table = omap4460_adc_to_temp,
 227         .adc_start_val = OMAP4460_ADC_START_VALUE,
 228         .adc_end_val = OMAP4460_ADC_END_VALUE,
 229         .expose_sensor = ti_thermal_expose_sensor,
 230         .remove_sensor = ti_thermal_remove_sensor,
 231         .report_temperature = ti_thermal_report_sensor_temperature,
 232         .sensors = {
 233                 {
 234                 .registers = &omap4460_mpu_temp_sensor_registers,
 235                 .ts_data = &omap4460_mpu_temp_sensor_data,
 236                 .domain = "cpu",
 237                 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4470,
 238                 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4470,
 239                 .register_cooling = ti_thermal_register_cpu_cooling,
 240                 .unregister_cooling = ti_thermal_unregister_cpu_cooling,
 241                 },
 242         },
 243         .sensor_count = 1,
 244 };