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9c92ab61 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
1a31270e EV |
2 | /* |
3 | * OMAP4 thermal driver. | |
4 | * | |
5 | * Copyright (C) 2011-2012 Texas Instruments Inc. | |
6 | * Contact: | |
7 | * Eduardo Valentin <eduardo.valentin@ti.com> | |
1a31270e EV |
8 | */ |
9 | ||
7372add4 EV |
10 | #include "ti-thermal.h" |
11 | #include "ti-bandgap.h" | |
787f3c27 | 12 | #include "omap4xxx-bandgap.h" |
1a31270e EV |
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, | |
c13636ba | 27 | .mode_ctrl_mask = OMAP4430_CONTINUOUS_MODE_MASK, |
1a31270e EV |
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, | |
1a31270e EV |
36 | }; |
37 | ||
38 | /* | |
39 | * Temperature values in milli degree celsius | |
30d24fab TL |
40 | * ADC code values from 13 to 107, see TRM |
41 | * "18.4.10.2.3 ADC Codes Versus Temperature". | |
1a31270e EV |
42 | */ |
43 | static const int | |
44 | omap4430_adc_to_temp[OMAP4430_ADC_END_VALUE - OMAP4430_ADC_START_VALUE + 1] = { | |
30d24fab TL |
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, | |
1a31270e EV |
55 | }; |
56 | ||
57 | /* OMAP4430 data */ | |
03e859d3 EV |
58 | const struct ti_bandgap_data omap4430_data = { |
59 | .features = TI_BANDGAP_FEATURE_MODE_CONFIG | | |
60 | TI_BANDGAP_FEATURE_CLK_CTRL | | |
735c3535 TL |
61 | TI_BANDGAP_FEATURE_POWER_SWITCH | |
62 | TI_BANDGAP_FEATURE_CONT_MODE_ONLY, | |
1a31270e EV |
63 | .fclock_name = "bandgap_fclk", |
64 | .div_ck_name = "bandgap_fclk", | |
65 | .conv_table = omap4430_adc_to_temp, | |
26a70ed9 EV |
66 | .adc_start_val = OMAP4430_ADC_START_VALUE, |
67 | .adc_end_val = OMAP4430_ADC_END_VALUE, | |
03e859d3 EV |
68 | .expose_sensor = ti_thermal_expose_sensor, |
69 | .remove_sensor = ti_thermal_remove_sensor, | |
1a31270e EV |
70 | .sensors = { |
71 | { | |
cff860f5 EV |
72 | .registers = &omap4430_mpu_temp_sensor_registers, |
73 | .ts_data = &omap4430_mpu_temp_sensor_data, | |
74 | .domain = "cpu", | |
b763fdae EV |
75 | .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4430, |
76 | .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4430, | |
03e859d3 EV |
77 | .register_cooling = ti_thermal_register_cpu_cooling, |
78 | .unregister_cooling = ti_thermal_unregister_cpu_cooling, | |
1a31270e EV |
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, | |
c13636ba | 100 | .mode_ctrl_mask = OMAP4460_CONTINUOUS_MODE_MASK, |
1a31270e EV |
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, | |
1a31270e EV |
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, | |
1a31270e EV |
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 */ | |
03e859d3 EV |
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, | |
1a31270e EV |
193 | .fclock_name = "bandgap_ts_fclk", |
194 | .div_ck_name = "div_ts_ck", | |
195 | .conv_table = omap4460_adc_to_temp, | |
26a70ed9 EV |
196 | .adc_start_val = OMAP4460_ADC_START_VALUE, |
197 | .adc_end_val = OMAP4460_ADC_END_VALUE, | |
03e859d3 EV |
198 | .expose_sensor = ti_thermal_expose_sensor, |
199 | .remove_sensor = ti_thermal_remove_sensor, | |
7a779490 | 200 | .report_temperature = ti_thermal_report_sensor_temperature, |
1a31270e EV |
201 | .sensors = { |
202 | { | |
cff860f5 EV |
203 | .registers = &omap4460_mpu_temp_sensor_registers, |
204 | .ts_data = &omap4460_mpu_temp_sensor_data, | |
205 | .domain = "cpu", | |
cff860f5 EV |
206 | .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4460, |
207 | .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4460, | |
03e859d3 EV |
208 | .register_cooling = ti_thermal_register_cpu_cooling, |
209 | .unregister_cooling = ti_thermal_unregister_cpu_cooling, | |
1a31270e EV |
210 | }, |
211 | }, | |
212 | .sensor_count = 1, | |
213 | }; | |
214 | ||
215 | /* OMAP4470 data */ | |
03e859d3 EV |
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, | |
1a31270e EV |
224 | .fclock_name = "bandgap_ts_fclk", |
225 | .div_ck_name = "div_ts_ck", | |
226 | .conv_table = omap4460_adc_to_temp, | |
26a70ed9 EV |
227 | .adc_start_val = OMAP4460_ADC_START_VALUE, |
228 | .adc_end_val = OMAP4460_ADC_END_VALUE, | |
03e859d3 EV |
229 | .expose_sensor = ti_thermal_expose_sensor, |
230 | .remove_sensor = ti_thermal_remove_sensor, | |
7a779490 | 231 | .report_temperature = ti_thermal_report_sensor_temperature, |
1a31270e EV |
232 | .sensors = { |
233 | { | |
cff860f5 EV |
234 | .registers = &omap4460_mpu_temp_sensor_registers, |
235 | .ts_data = &omap4460_mpu_temp_sensor_data, | |
236 | .domain = "cpu", | |
cff860f5 EV |
237 | .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4470, |
238 | .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4470, | |
03e859d3 EV |
239 | .register_cooling = ti_thermal_register_cpu_cooling, |
240 | .unregister_cooling = ti_thermal_unregister_cpu_cooling, | |
1a31270e EV |
241 | }, |
242 | }, | |
243 | .sensor_count = 1, | |
244 | }; |