1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * OMAP4 thermal driver. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2011-2012 Texas Instruments Inc. 6*4882a593Smuzhiyun * Contact: 7*4882a593Smuzhiyun * Eduardo Valentin <eduardo.valentin@ti.com> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include "ti-thermal.h" 11*4882a593Smuzhiyun #include "ti-bandgap.h" 12*4882a593Smuzhiyun #include "omap4xxx-bandgap.h" 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* 15*4882a593Smuzhiyun * OMAP4430 has one instance of thermal sensor for MPU 16*4882a593Smuzhiyun * need to describe the individual bit fields 17*4882a593Smuzhiyun */ 18*4882a593Smuzhiyun static struct temp_sensor_registers 19*4882a593Smuzhiyun omap4430_mpu_temp_sensor_registers = { 20*4882a593Smuzhiyun .temp_sensor_ctrl = OMAP4430_TEMP_SENSOR_CTRL_OFFSET, 21*4882a593Smuzhiyun .bgap_tempsoff_mask = OMAP4430_BGAP_TEMPSOFF_MASK, 22*4882a593Smuzhiyun .bgap_soc_mask = OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK, 23*4882a593Smuzhiyun .bgap_eocz_mask = OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK, 24*4882a593Smuzhiyun .bgap_dtemp_mask = OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK, 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun .bgap_mode_ctrl = OMAP4430_TEMP_SENSOR_CTRL_OFFSET, 27*4882a593Smuzhiyun .mode_ctrl_mask = OMAP4430_SINGLE_MODE_MASK, 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun .bgap_efuse = OMAP4430_FUSE_OPP_BGAP, 30*4882a593Smuzhiyun }; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun /* Thresholds and limits for OMAP4430 MPU temperature sensor */ 33*4882a593Smuzhiyun static struct temp_sensor_data omap4430_mpu_temp_sensor_data = { 34*4882a593Smuzhiyun .min_freq = OMAP4430_MIN_FREQ, 35*4882a593Smuzhiyun .max_freq = OMAP4430_MAX_FREQ, 36*4882a593Smuzhiyun }; 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun /* 39*4882a593Smuzhiyun * Temperature values in milli degree celsius 40*4882a593Smuzhiyun * ADC code values from 13 to 107, see TRM 41*4882a593Smuzhiyun * "18.4.10.2.3 ADC Codes Versus Temperature". 42*4882a593Smuzhiyun */ 43*4882a593Smuzhiyun static const int 44*4882a593Smuzhiyun omap4430_adc_to_temp[OMAP4430_ADC_END_VALUE - OMAP4430_ADC_START_VALUE + 1] = { 45*4882a593Smuzhiyun -40000, -38000, -35000, -34000, -32000, -30000, -28000, -26000, -24000, 46*4882a593Smuzhiyun -22000, -20000, -18500, -17000, -15000, -13500, -12000, -10000, -8000, 47*4882a593Smuzhiyun -6500, -5000, -3500, -1500, 0, 2000, 3500, 5000, 6500, 8500, 10000, 48*4882a593Smuzhiyun 12000, 13500, 15000, 17000, 19000, 21000, 23000, 25000, 27000, 28500, 49*4882a593Smuzhiyun 30000, 32000, 33500, 35000, 37000, 38500, 40000, 42000, 43500, 45000, 50*4882a593Smuzhiyun 47000, 48500, 50000, 52000, 53500, 55000, 57000, 58500, 60000, 62000, 51*4882a593Smuzhiyun 64000, 66000, 68000, 70000, 71500, 73500, 75000, 77000, 78500, 80000, 52*4882a593Smuzhiyun 82000, 83500, 85000, 87000, 88500, 90000, 92000, 93500, 95000, 97000, 53*4882a593Smuzhiyun 98500, 100000, 102000, 103500, 105000, 107000, 109000, 111000, 113000, 54*4882a593Smuzhiyun 115000, 117000, 118500, 120000, 122000, 123500, 125000, 55*4882a593Smuzhiyun }; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun /* OMAP4430 data */ 58*4882a593Smuzhiyun const struct ti_bandgap_data omap4430_data = { 59*4882a593Smuzhiyun .features = TI_BANDGAP_FEATURE_MODE_CONFIG | 60*4882a593Smuzhiyun TI_BANDGAP_FEATURE_CLK_CTRL | 61*4882a593Smuzhiyun TI_BANDGAP_FEATURE_POWER_SWITCH, 62*4882a593Smuzhiyun .fclock_name = "bandgap_fclk", 63*4882a593Smuzhiyun .div_ck_name = "bandgap_fclk", 64*4882a593Smuzhiyun .conv_table = omap4430_adc_to_temp, 65*4882a593Smuzhiyun .adc_start_val = OMAP4430_ADC_START_VALUE, 66*4882a593Smuzhiyun .adc_end_val = OMAP4430_ADC_END_VALUE, 67*4882a593Smuzhiyun .expose_sensor = ti_thermal_expose_sensor, 68*4882a593Smuzhiyun .remove_sensor = ti_thermal_remove_sensor, 69*4882a593Smuzhiyun .sensors = { 70*4882a593Smuzhiyun { 71*4882a593Smuzhiyun .registers = &omap4430_mpu_temp_sensor_registers, 72*4882a593Smuzhiyun .ts_data = &omap4430_mpu_temp_sensor_data, 73*4882a593Smuzhiyun .domain = "cpu", 74*4882a593Smuzhiyun .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4430, 75*4882a593Smuzhiyun .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4430, 76*4882a593Smuzhiyun .register_cooling = ti_thermal_register_cpu_cooling, 77*4882a593Smuzhiyun .unregister_cooling = ti_thermal_unregister_cpu_cooling, 78*4882a593Smuzhiyun }, 79*4882a593Smuzhiyun }, 80*4882a593Smuzhiyun .sensor_count = 1, 81*4882a593Smuzhiyun }; 82*4882a593Smuzhiyun /* 83*4882a593Smuzhiyun * OMAP4460 has one instance of thermal sensor for MPU 84*4882a593Smuzhiyun * need to describe the individual bit fields 85*4882a593Smuzhiyun */ 86*4882a593Smuzhiyun static struct temp_sensor_registers 87*4882a593Smuzhiyun omap4460_mpu_temp_sensor_registers = { 88*4882a593Smuzhiyun .temp_sensor_ctrl = OMAP4460_TEMP_SENSOR_CTRL_OFFSET, 89*4882a593Smuzhiyun .bgap_tempsoff_mask = OMAP4460_BGAP_TEMPSOFF_MASK, 90*4882a593Smuzhiyun .bgap_soc_mask = OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK, 91*4882a593Smuzhiyun .bgap_eocz_mask = OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK, 92*4882a593Smuzhiyun .bgap_dtemp_mask = OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK, 93*4882a593Smuzhiyun 94*4882a593Smuzhiyun .bgap_mask_ctrl = OMAP4460_BGAP_CTRL_OFFSET, 95*4882a593Smuzhiyun .mask_hot_mask = OMAP4460_MASK_HOT_MASK, 96*4882a593Smuzhiyun .mask_cold_mask = OMAP4460_MASK_COLD_MASK, 97*4882a593Smuzhiyun 98*4882a593Smuzhiyun .bgap_mode_ctrl = OMAP4460_BGAP_CTRL_OFFSET, 99*4882a593Smuzhiyun .mode_ctrl_mask = OMAP4460_SINGLE_MODE_MASK, 100*4882a593Smuzhiyun 101*4882a593Smuzhiyun .bgap_counter = OMAP4460_BGAP_COUNTER_OFFSET, 102*4882a593Smuzhiyun .counter_mask = OMAP4460_COUNTER_MASK, 103*4882a593Smuzhiyun 104*4882a593Smuzhiyun .bgap_threshold = OMAP4460_BGAP_THRESHOLD_OFFSET, 105*4882a593Smuzhiyun .threshold_thot_mask = OMAP4460_T_HOT_MASK, 106*4882a593Smuzhiyun .threshold_tcold_mask = OMAP4460_T_COLD_MASK, 107*4882a593Smuzhiyun 108*4882a593Smuzhiyun .tshut_threshold = OMAP4460_BGAP_TSHUT_OFFSET, 109*4882a593Smuzhiyun .tshut_hot_mask = OMAP4460_TSHUT_HOT_MASK, 110*4882a593Smuzhiyun .tshut_cold_mask = OMAP4460_TSHUT_COLD_MASK, 111*4882a593Smuzhiyun 112*4882a593Smuzhiyun .bgap_status = OMAP4460_BGAP_STATUS_OFFSET, 113*4882a593Smuzhiyun .status_hot_mask = OMAP4460_HOT_FLAG_MASK, 114*4882a593Smuzhiyun .status_cold_mask = OMAP4460_COLD_FLAG_MASK, 115*4882a593Smuzhiyun 116*4882a593Smuzhiyun .bgap_efuse = OMAP4460_FUSE_OPP_BGAP, 117*4882a593Smuzhiyun }; 118*4882a593Smuzhiyun 119*4882a593Smuzhiyun /* Thresholds and limits for OMAP4460 MPU temperature sensor */ 120*4882a593Smuzhiyun static struct temp_sensor_data omap4460_mpu_temp_sensor_data = { 121*4882a593Smuzhiyun .tshut_hot = OMAP4460_TSHUT_HOT, 122*4882a593Smuzhiyun .tshut_cold = OMAP4460_TSHUT_COLD, 123*4882a593Smuzhiyun .t_hot = OMAP4460_T_HOT, 124*4882a593Smuzhiyun .t_cold = OMAP4460_T_COLD, 125*4882a593Smuzhiyun .min_freq = OMAP4460_MIN_FREQ, 126*4882a593Smuzhiyun .max_freq = OMAP4460_MAX_FREQ, 127*4882a593Smuzhiyun }; 128*4882a593Smuzhiyun 129*4882a593Smuzhiyun /* 130*4882a593Smuzhiyun * Temperature values in milli degree celsius 131*4882a593Smuzhiyun * ADC code values from 530 to 923 132*4882a593Smuzhiyun */ 133*4882a593Smuzhiyun static const int 134*4882a593Smuzhiyun omap4460_adc_to_temp[OMAP4460_ADC_END_VALUE - OMAP4460_ADC_START_VALUE + 1] = { 135*4882a593Smuzhiyun -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200, 136*4882a593Smuzhiyun -37800, -37300, -36800, -36400, -36000, -35600, -35200, -34800, 137*4882a593Smuzhiyun -34300, -33800, -33400, -33000, -32600, -32200, -31800, -31300, 138*4882a593Smuzhiyun -30800, -30400, -30000, -29600, -29200, -28700, -28200, -27800, 139*4882a593Smuzhiyun -27400, -27000, -26600, -26200, -25700, -25200, -24800, -24400, 140*4882a593Smuzhiyun -24000, -23600, -23200, -22700, -22200, -21800, -21400, -21000, 141*4882a593Smuzhiyun -20600, -20200, -19700, -19200, -18800, -18400, -18000, -17600, 142*4882a593Smuzhiyun -17200, -16700, -16200, -15800, -15400, -15000, -14600, -14200, 143*4882a593Smuzhiyun -13700, -13200, -12800, -12400, -12000, -11600, -11200, -10700, 144*4882a593Smuzhiyun -10200, -9800, -9400, -9000, -8600, -8200, -7700, -7200, -6800, 145*4882a593Smuzhiyun -6400, -6000, -5600, -5200, -4800, -4300, -3800, -3400, -3000, 146*4882a593Smuzhiyun -2600, -2200, -1800, -1300, -800, -400, 0, 400, 800, 1200, 1600, 147*4882a593Smuzhiyun 2100, 2600, 3000, 3400, 3800, 4200, 4600, 5100, 5600, 6000, 6400, 148*4882a593Smuzhiyun 6800, 7200, 7600, 8000, 8500, 9000, 9400, 9800, 10200, 10600, 11000, 149*4882a593Smuzhiyun 11400, 11900, 12400, 12800, 13200, 13600, 14000, 14400, 14800, 150*4882a593Smuzhiyun 15300, 15800, 16200, 16600, 17000, 17400, 17800, 18200, 18700, 151*4882a593Smuzhiyun 19200, 19600, 20000, 20400, 20800, 21200, 21600, 22100, 22600, 152*4882a593Smuzhiyun 23000, 23400, 23800, 24200, 24600, 25000, 25400, 25900, 26400, 153*4882a593Smuzhiyun 26800, 27200, 27600, 28000, 28400, 28800, 29300, 29800, 30200, 154*4882a593Smuzhiyun 30600, 31000, 31400, 31800, 32200, 32600, 33100, 33600, 34000, 155*4882a593Smuzhiyun 34400, 34800, 35200, 35600, 36000, 36400, 36800, 37300, 37800, 156*4882a593Smuzhiyun 38200, 38600, 39000, 39400, 39800, 40200, 40600, 41100, 41600, 157*4882a593Smuzhiyun 42000, 42400, 42800, 43200, 43600, 44000, 44400, 44800, 45300, 158*4882a593Smuzhiyun 45800, 46200, 46600, 47000, 47400, 47800, 48200, 48600, 49000, 159*4882a593Smuzhiyun 49500, 50000, 50400, 50800, 51200, 51600, 52000, 52400, 52800, 160*4882a593Smuzhiyun 53200, 53700, 54200, 54600, 55000, 55400, 55800, 56200, 56600, 161*4882a593Smuzhiyun 57000, 57400, 57800, 58200, 58700, 59200, 59600, 60000, 60400, 162*4882a593Smuzhiyun 60800, 61200, 61600, 62000, 62400, 62800, 63300, 63800, 64200, 163*4882a593Smuzhiyun 64600, 65000, 65400, 65800, 66200, 66600, 67000, 67400, 67800, 164*4882a593Smuzhiyun 68200, 68700, 69200, 69600, 70000, 70400, 70800, 71200, 71600, 165*4882a593Smuzhiyun 72000, 72400, 72800, 73200, 73600, 74100, 74600, 75000, 75400, 166*4882a593Smuzhiyun 75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000, 167*4882a593Smuzhiyun 79400, 79800, 80300, 80800, 81200, 81600, 82000, 82400, 82800, 168*4882a593Smuzhiyun 83200, 83600, 84000, 84400, 84800, 85200, 85600, 86000, 86400, 169*4882a593Smuzhiyun 86800, 87300, 87800, 88200, 88600, 89000, 89400, 89800, 90200, 170*4882a593Smuzhiyun 90600, 91000, 91400, 91800, 92200, 92600, 93000, 93400, 93800, 171*4882a593Smuzhiyun 94200, 94600, 95000, 95500, 96000, 96400, 96800, 97200, 97600, 172*4882a593Smuzhiyun 98000, 98400, 98800, 99200, 99600, 100000, 100400, 100800, 101200, 173*4882a593Smuzhiyun 101600, 102000, 102400, 102800, 103200, 103600, 104000, 104400, 174*4882a593Smuzhiyun 104800, 105200, 105600, 106100, 106600, 107000, 107400, 107800, 175*4882a593Smuzhiyun 108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000, 176*4882a593Smuzhiyun 111400, 111800, 112200, 112600, 113000, 113400, 113800, 114200, 177*4882a593Smuzhiyun 114600, 115000, 115400, 115800, 116200, 116600, 117000, 117400, 178*4882a593Smuzhiyun 117800, 118200, 118600, 119000, 119400, 119800, 120200, 120600, 179*4882a593Smuzhiyun 121000, 121400, 121800, 122200, 122600, 123000, 123400, 123800, 124200, 180*4882a593Smuzhiyun 124600, 124900, 125000, 125000, 125000, 125000 181*4882a593Smuzhiyun }; 182*4882a593Smuzhiyun 183*4882a593Smuzhiyun /* OMAP4460 data */ 184*4882a593Smuzhiyun const struct ti_bandgap_data omap4460_data = { 185*4882a593Smuzhiyun .features = TI_BANDGAP_FEATURE_TSHUT | 186*4882a593Smuzhiyun TI_BANDGAP_FEATURE_TSHUT_CONFIG | 187*4882a593Smuzhiyun TI_BANDGAP_FEATURE_TALERT | 188*4882a593Smuzhiyun TI_BANDGAP_FEATURE_MODE_CONFIG | 189*4882a593Smuzhiyun TI_BANDGAP_FEATURE_POWER_SWITCH | 190*4882a593Smuzhiyun TI_BANDGAP_FEATURE_CLK_CTRL | 191*4882a593Smuzhiyun TI_BANDGAP_FEATURE_COUNTER, 192*4882a593Smuzhiyun .fclock_name = "bandgap_ts_fclk", 193*4882a593Smuzhiyun .div_ck_name = "div_ts_ck", 194*4882a593Smuzhiyun .conv_table = omap4460_adc_to_temp, 195*4882a593Smuzhiyun .adc_start_val = OMAP4460_ADC_START_VALUE, 196*4882a593Smuzhiyun .adc_end_val = OMAP4460_ADC_END_VALUE, 197*4882a593Smuzhiyun .expose_sensor = ti_thermal_expose_sensor, 198*4882a593Smuzhiyun .remove_sensor = ti_thermal_remove_sensor, 199*4882a593Smuzhiyun .report_temperature = ti_thermal_report_sensor_temperature, 200*4882a593Smuzhiyun .sensors = { 201*4882a593Smuzhiyun { 202*4882a593Smuzhiyun .registers = &omap4460_mpu_temp_sensor_registers, 203*4882a593Smuzhiyun .ts_data = &omap4460_mpu_temp_sensor_data, 204*4882a593Smuzhiyun .domain = "cpu", 205*4882a593Smuzhiyun .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4460, 206*4882a593Smuzhiyun .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4460, 207*4882a593Smuzhiyun .register_cooling = ti_thermal_register_cpu_cooling, 208*4882a593Smuzhiyun .unregister_cooling = ti_thermal_unregister_cpu_cooling, 209*4882a593Smuzhiyun }, 210*4882a593Smuzhiyun }, 211*4882a593Smuzhiyun .sensor_count = 1, 212*4882a593Smuzhiyun }; 213*4882a593Smuzhiyun 214*4882a593Smuzhiyun /* OMAP4470 data */ 215*4882a593Smuzhiyun const struct ti_bandgap_data omap4470_data = { 216*4882a593Smuzhiyun .features = TI_BANDGAP_FEATURE_TSHUT | 217*4882a593Smuzhiyun TI_BANDGAP_FEATURE_TSHUT_CONFIG | 218*4882a593Smuzhiyun TI_BANDGAP_FEATURE_TALERT | 219*4882a593Smuzhiyun TI_BANDGAP_FEATURE_MODE_CONFIG | 220*4882a593Smuzhiyun TI_BANDGAP_FEATURE_POWER_SWITCH | 221*4882a593Smuzhiyun TI_BANDGAP_FEATURE_CLK_CTRL | 222*4882a593Smuzhiyun TI_BANDGAP_FEATURE_COUNTER, 223*4882a593Smuzhiyun .fclock_name = "bandgap_ts_fclk", 224*4882a593Smuzhiyun .div_ck_name = "div_ts_ck", 225*4882a593Smuzhiyun .conv_table = omap4460_adc_to_temp, 226*4882a593Smuzhiyun .adc_start_val = OMAP4460_ADC_START_VALUE, 227*4882a593Smuzhiyun .adc_end_val = OMAP4460_ADC_END_VALUE, 228*4882a593Smuzhiyun .expose_sensor = ti_thermal_expose_sensor, 229*4882a593Smuzhiyun .remove_sensor = ti_thermal_remove_sensor, 230*4882a593Smuzhiyun .report_temperature = ti_thermal_report_sensor_temperature, 231*4882a593Smuzhiyun .sensors = { 232*4882a593Smuzhiyun { 233*4882a593Smuzhiyun .registers = &omap4460_mpu_temp_sensor_registers, 234*4882a593Smuzhiyun .ts_data = &omap4460_mpu_temp_sensor_data, 235*4882a593Smuzhiyun .domain = "cpu", 236*4882a593Smuzhiyun .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4470, 237*4882a593Smuzhiyun .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4470, 238*4882a593Smuzhiyun .register_cooling = ti_thermal_register_cpu_cooling, 239*4882a593Smuzhiyun .unregister_cooling = ti_thermal_unregister_cpu_cooling, 240*4882a593Smuzhiyun }, 241*4882a593Smuzhiyun }, 242*4882a593Smuzhiyun .sensor_count = 1, 243*4882a593Smuzhiyun }; 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