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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 | // SPDX-License-Identifier: GPL-2.0-only /* * OMAP4 thermal driver. * * Copyright (C) 2011-2012 Texas Instruments Inc. * Contact: * Eduardo Valentin <eduardo.valentin@ti.com> */ #include "ti-thermal.h" #include "ti-bandgap.h" #include "omap4xxx-bandgap.h" /* * OMAP4430 has one instance of thermal sensor for MPU * need to describe the individual bit fields */ static struct temp_sensor_registers omap4430_mpu_temp_sensor_registers = { .temp_sensor_ctrl = OMAP4430_TEMP_SENSOR_CTRL_OFFSET, .bgap_tempsoff_mask = OMAP4430_BGAP_TEMPSOFF_MASK, .bgap_soc_mask = OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK, .bgap_eocz_mask = OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK, .bgap_dtemp_mask = OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK, .bgap_mode_ctrl = OMAP4430_TEMP_SENSOR_CTRL_OFFSET, .mode_ctrl_mask = OMAP4430_CONTINUOUS_MODE_MASK, .bgap_efuse = OMAP4430_FUSE_OPP_BGAP, }; /* Thresholds and limits for OMAP4430 MPU temperature sensor */ static struct temp_sensor_data omap4430_mpu_temp_sensor_data = { .min_freq = OMAP4430_MIN_FREQ, .max_freq = OMAP4430_MAX_FREQ, }; /* * Temperature values in milli degree celsius * ADC code values from 13 to 107, see TRM * "18.4.10.2.3 ADC Codes Versus Temperature". */ static const int omap4430_adc_to_temp[OMAP4430_ADC_END_VALUE - OMAP4430_ADC_START_VALUE + 1] = { -40000, -38000, -35000, -34000, -32000, -30000, -28000, -26000, -24000, -22000, -20000, -18500, -17000, -15000, -13500, -12000, -10000, -8000, -6500, -5000, -3500, -1500, 0, 2000, 3500, 5000, 6500, 8500, 10000, 12000, 13500, 15000, 17000, 19000, 21000, 23000, 25000, 27000, 28500, 30000, 32000, 33500, 35000, 37000, 38500, 40000, 42000, 43500, 45000, 47000, 48500, 50000, 52000, 53500, 55000, 57000, 58500, 60000, 62000, 64000, 66000, 68000, 70000, 71500, 73500, 75000, 77000, 78500, 80000, 82000, 83500, 85000, 87000, 88500, 90000, 92000, 93500, 95000, 97000, 98500, 100000, 102000, 103500, 105000, 107000, 109000, 111000, 113000, 115000, 117000, 118500, 120000, 122000, 123500, 125000, }; /* OMAP4430 data */ const struct ti_bandgap_data omap4430_data = { .features = TI_BANDGAP_FEATURE_MODE_CONFIG | TI_BANDGAP_FEATURE_CLK_CTRL | TI_BANDGAP_FEATURE_POWER_SWITCH | TI_BANDGAP_FEATURE_CONT_MODE_ONLY, .fclock_name = "bandgap_fclk", .div_ck_name = "bandgap_fclk", .conv_table = omap4430_adc_to_temp, .adc_start_val = OMAP4430_ADC_START_VALUE, .adc_end_val = OMAP4430_ADC_END_VALUE, .expose_sensor = ti_thermal_expose_sensor, .remove_sensor = ti_thermal_remove_sensor, .sensors = { { .registers = &omap4430_mpu_temp_sensor_registers, .ts_data = &omap4430_mpu_temp_sensor_data, .domain = "cpu", .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4430, .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4430, .register_cooling = ti_thermal_register_cpu_cooling, .unregister_cooling = ti_thermal_unregister_cpu_cooling, }, }, .sensor_count = 1, }; /* * OMAP4460 has one instance of thermal sensor for MPU * need to describe the individual bit fields */ static struct temp_sensor_registers omap4460_mpu_temp_sensor_registers = { .temp_sensor_ctrl = OMAP4460_TEMP_SENSOR_CTRL_OFFSET, .bgap_tempsoff_mask = OMAP4460_BGAP_TEMPSOFF_MASK, .bgap_soc_mask = OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK, .bgap_eocz_mask = OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK, .bgap_dtemp_mask = OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK, .bgap_mask_ctrl = OMAP4460_BGAP_CTRL_OFFSET, .mask_hot_mask = OMAP4460_MASK_HOT_MASK, .mask_cold_mask = OMAP4460_MASK_COLD_MASK, .bgap_mode_ctrl = OMAP4460_BGAP_CTRL_OFFSET, .mode_ctrl_mask = OMAP4460_CONTINUOUS_MODE_MASK, .bgap_counter = OMAP4460_BGAP_COUNTER_OFFSET, .counter_mask = OMAP4460_COUNTER_MASK, .bgap_threshold = OMAP4460_BGAP_THRESHOLD_OFFSET, .threshold_thot_mask = OMAP4460_T_HOT_MASK, .threshold_tcold_mask = OMAP4460_T_COLD_MASK, .tshut_threshold = OMAP4460_BGAP_TSHUT_OFFSET, .tshut_hot_mask = OMAP4460_TSHUT_HOT_MASK, .tshut_cold_mask = OMAP4460_TSHUT_COLD_MASK, .bgap_status = OMAP4460_BGAP_STATUS_OFFSET, .status_hot_mask = OMAP4460_HOT_FLAG_MASK, .status_cold_mask = OMAP4460_COLD_FLAG_MASK, .bgap_efuse = OMAP4460_FUSE_OPP_BGAP, }; /* Thresholds and limits for OMAP4460 MPU temperature sensor */ static struct temp_sensor_data omap4460_mpu_temp_sensor_data = { .tshut_hot = OMAP4460_TSHUT_HOT, .tshut_cold = OMAP4460_TSHUT_COLD, .t_hot = OMAP4460_T_HOT, .t_cold = OMAP4460_T_COLD, .min_freq = OMAP4460_MIN_FREQ, .max_freq = OMAP4460_MAX_FREQ, }; /* * Temperature values in milli degree celsius * ADC code values from 530 to 923 */ static const int omap4460_adc_to_temp[OMAP4460_ADC_END_VALUE - OMAP4460_ADC_START_VALUE + 1] = { -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200, -37800, -37300, -36800, -36400, -36000, -35600, -35200, -34800, -34300, -33800, -33400, -33000, -32600, -32200, -31800, -31300, -30800, -30400, -30000, -29600, -29200, -28700, -28200, -27800, -27400, -27000, -26600, -26200, -25700, -25200, -24800, -24400, -24000, -23600, -23200, -22700, -22200, -21800, -21400, -21000, -20600, -20200, -19700, -19200, -18800, -18400, -18000, -17600, -17200, -16700, -16200, -15800, -15400, -15000, -14600, -14200, -13700, -13200, -12800, -12400, -12000, -11600, -11200, -10700, -10200, -9800, -9400, -9000, -8600, -8200, -7700, -7200, -6800, -6400, -6000, -5600, -5200, -4800, -4300, -3800, -3400, -3000, -2600, -2200, -1800, -1300, -800, -400, 0, 400, 800, 1200, 1600, 2100, 2600, 3000, 3400, 3800, 4200, 4600, 5100, 5600, 6000, 6400, 6800, 7200, 7600, 8000, 8500, 9000, 9400, 9800, 10200, 10600, 11000, 11400, 11900, 12400, 12800, 13200, 13600, 14000, 14400, 14800, 15300, 15800, 16200, 16600, 17000, 17400, 17800, 18200, 18700, 19200, 19600, 20000, 20400, 20800, 21200, 21600, 22100, 22600, 23000, 23400, 23800, 24200, 24600, 25000, 25400, 25900, 26400, 26800, 27200, 27600, 28000, 28400, 28800, 29300, 29800, 30200, 30600, 31000, 31400, 31800, 32200, 32600, 33100, 33600, 34000, 34400, 34800, 35200, 35600, 36000, 36400, 36800, 37300, 37800, 38200, 38600, 39000, 39400, 39800, 40200, 40600, 41100, 41600, 42000, 42400, 42800, 43200, 43600, 44000, 44400, 44800, 45300, 45800, 46200, 46600, 47000, 47400, 47800, 48200, 48600, 49000, 49500, 50000, 50400, 50800, 51200, 51600, 52000, 52400, 52800, 53200, 53700, 54200, 54600, 55000, 55400, 55800, 56200, 56600, 57000, 57400, 57800, 58200, 58700, 59200, 59600, 60000, 60400, 60800, 61200, 61600, 62000, 62400, 62800, 63300, 63800, 64200, 64600, 65000, 65400, 65800, 66200, 66600, 67000, 67400, 67800, 68200, 68700, 69200, 69600, 70000, 70400, 70800, 71200, 71600, 72000, 72400, 72800, 73200, 73600, 74100, 74600, 75000, 75400, 75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000, 79400, 79800, 80300, 80800, 81200, 81600, 82000, 82400, 82800, 83200, 83600, 84000, 84400, 84800, 85200, 85600, 86000, 86400, 86800, 87300, 87800, 88200, 88600, 89000, 89400, 89800, 90200, 90600, 91000, 91400, 91800, 92200, 92600, 93000, 93400, 93800, 94200, 94600, 95000, 95500, 96000, 96400, 96800, 97200, 97600, 98000, 98400, 98800, 99200, 99600, 100000, 100400, 100800, 101200, 101600, 102000, 102400, 102800, 103200, 103600, 104000, 104400, 104800, 105200, 105600, 106100, 106600, 107000, 107400, 107800, 108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000, 111400, 111800, 112200, 112600, 113000, 113400, 113800, 114200, 114600, 115000, 115400, 115800, 116200, 116600, 117000, 117400, 117800, 118200, 118600, 119000, 119400, 119800, 120200, 120600, 121000, 121400, 121800, 122200, 122600, 123000, 123400, 123800, 124200, 124600, 124900, 125000, 125000, 125000, 125000 }; /* OMAP4460 data */ const struct ti_bandgap_data omap4460_data = { .features = TI_BANDGAP_FEATURE_TSHUT | TI_BANDGAP_FEATURE_TSHUT_CONFIG | TI_BANDGAP_FEATURE_TALERT | TI_BANDGAP_FEATURE_MODE_CONFIG | TI_BANDGAP_FEATURE_POWER_SWITCH | TI_BANDGAP_FEATURE_CLK_CTRL | TI_BANDGAP_FEATURE_COUNTER, .fclock_name = "bandgap_ts_fclk", .div_ck_name = "div_ts_ck", .conv_table = omap4460_adc_to_temp, .adc_start_val = OMAP4460_ADC_START_VALUE, .adc_end_val = OMAP4460_ADC_END_VALUE, .expose_sensor = ti_thermal_expose_sensor, .remove_sensor = ti_thermal_remove_sensor, .report_temperature = ti_thermal_report_sensor_temperature, .sensors = { { .registers = &omap4460_mpu_temp_sensor_registers, .ts_data = &omap4460_mpu_temp_sensor_data, .domain = "cpu", .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4460, .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4460, .register_cooling = ti_thermal_register_cpu_cooling, .unregister_cooling = ti_thermal_unregister_cpu_cooling, }, }, .sensor_count = 1, }; /* OMAP4470 data */ const struct ti_bandgap_data omap4470_data = { .features = TI_BANDGAP_FEATURE_TSHUT | TI_BANDGAP_FEATURE_TSHUT_CONFIG | TI_BANDGAP_FEATURE_TALERT | TI_BANDGAP_FEATURE_MODE_CONFIG | TI_BANDGAP_FEATURE_POWER_SWITCH | TI_BANDGAP_FEATURE_CLK_CTRL | TI_BANDGAP_FEATURE_COUNTER, .fclock_name = "bandgap_ts_fclk", .div_ck_name = "div_ts_ck", .conv_table = omap4460_adc_to_temp, .adc_start_val = OMAP4460_ADC_START_VALUE, .adc_end_val = OMAP4460_ADC_END_VALUE, .expose_sensor = ti_thermal_expose_sensor, .remove_sensor = ti_thermal_remove_sensor, .report_temperature = ti_thermal_report_sensor_temperature, .sensors = { { .registers = &omap4460_mpu_temp_sensor_registers, .ts_data = &omap4460_mpu_temp_sensor_data, .domain = "cpu", .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4470, .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4470, .register_cooling = ti_thermal_register_cpu_cooling, .unregister_cooling = ti_thermal_unregister_cpu_cooling, }, }, .sensor_count = 1, }; 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