1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Functions to access TPS65219 Power Management IC.
5 * Copyright (C) 2022 BayLibre Incorporated - https://www.baylibre.com/
11 #include <linux/bitops.h>
12 #include <linux/notifier.h>
13 #include <linux/regmap.h>
14 #include <linux/regulator/driver.h>
16 /* TPS chip id list */
19 /* I2C ID for TPS65219 part */
20 #define TPS65219_I2C_ID 0x24
22 /* All register addresses */
23 #define TPS65219_REG_TI_DEV_ID 0x00
24 #define TPS65219_REG_NVM_ID 0x01
25 #define TPS65219_REG_ENABLE_CTRL 0x02
26 #define TPS65219_REG_BUCKS_CONFIG 0x03
27 #define TPS65219_REG_LDO4_VOUT 0x04
28 #define TPS65219_REG_LDO3_VOUT 0x05
29 #define TPS65219_REG_LDO2_VOUT 0x06
30 #define TPS65219_REG_LDO1_VOUT 0x07
31 #define TPS65219_REG_BUCK3_VOUT 0x8
32 #define TPS65219_REG_BUCK2_VOUT 0x9
33 #define TPS65219_REG_BUCK1_VOUT 0xA
34 #define TPS65219_REG_LDO4_SEQUENCE_SLOT 0xB
35 #define TPS65219_REG_LDO3_SEQUENCE_SLOT 0xC
36 #define TPS65219_REG_LDO2_SEQUENCE_SLOT 0xD
37 #define TPS65219_REG_LDO1_SEQUENCE_SLOT 0xE
38 #define TPS65219_REG_BUCK3_SEQUENCE_SLOT 0xF
39 #define TPS65219_REG_BUCK2_SEQUENCE_SLOT 0x10
40 #define TPS65219_REG_BUCK1_SEQUENCE_SLOT 0x11
41 #define TPS65219_REG_nRST_SEQUENCE_SLOT 0x12
42 #define TPS65219_REG_GPIO_SEQUENCE_SLOT 0x13
43 #define TPS65219_REG_GPO2_SEQUENCE_SLOT 0x14
44 #define TPS65219_REG_GPO1_SEQUENCE_SLOT 0x15
45 #define TPS65219_REG_POWER_UP_SLOT_DURATION_1 0x16
46 #define TPS65219_REG_POWER_UP_SLOT_DURATION_2 0x17
47 #define TPS65219_REG_POWER_UP_SLOT_DURATION_3 0x18
48 #define TPS65219_REG_POWER_UP_SLOT_DURATION_4 0x19
49 #define TPS65219_REG_POWER_DOWN_SLOT_DURATION_1 0x1A
50 #define TPS65219_REG_POWER_DOWN_SLOT_DURATION_2 0x1B
51 #define TPS65219_REG_POWER_DOWN_SLOT_DURATION_3 0x1C
52 #define TPS65219_REG_POWER_DOWN_SLOT_DURATION_4 0x1D
53 #define TPS65219_REG_GENERAL_CONFIG 0x1E
54 #define TPS65219_REG_MFP_1_CONFIG 0x1F
55 #define TPS65219_REG_MFP_2_CONFIG 0x20
56 #define TPS65219_REG_STBY_1_CONFIG 0x21
57 #define TPS65219_REG_STBY_2_CONFIG 0x22
58 #define TPS65219_REG_OC_DEGL_CONFIG 0x23
59 /* 'sub irq' MASK registers */
60 #define TPS65219_REG_INT_MASK_UV 0x24
61 #define TPS65219_REG_MASK_CONFIG 0x25
63 #define TPS65219_REG_I2C_ADDRESS_REG 0x26
64 #define TPS65219_REG_USER_GENERAL_NVM_STORAGE 0x27
65 #define TPS65219_REG_MANUFACTURING_VER 0x28
66 #define TPS65219_REG_MFP_CTRL 0x29
67 #define TPS65219_REG_DISCHARGE_CONFIG 0x2A
68 /* main irq registers */
69 #define TPS65219_REG_INT_SOURCE 0x2B
70 /* 'sub irq' registers */
71 #define TPS65219_REG_INT_LDO_3_4 0x2C
72 #define TPS65219_REG_INT_LDO_1_2 0x2D
73 #define TPS65219_REG_INT_BUCK_3 0x2E
74 #define TPS65219_REG_INT_BUCK_1_2 0x2F
75 #define TPS65219_REG_INT_SYSTEM 0x30
76 #define TPS65219_REG_INT_RV 0x31
77 #define TPS65219_REG_INT_TIMEOUT_RV_SD 0x32
78 #define TPS65219_REG_INT_PB 0x33
80 #define TPS65219_REG_INT_LDO_3_4_POS 0
81 #define TPS65219_REG_INT_LDO_1_2_POS 1
82 #define TPS65219_REG_INT_BUCK_3_POS 2
83 #define TPS65219_REG_INT_BUCK_1_2_POS 3
84 #define TPS65219_REG_INT_SYS_POS 4
85 #define TPS65219_REG_INT_RV_POS 5
86 #define TPS65219_REG_INT_TO_RV_POS 6
87 #define TPS65219_REG_INT_PB_POS 7
89 #define TPS65219_REG_USER_NVM_CMD 0x34
90 #define TPS65219_REG_POWER_UP_STATUS 0x35
91 #define TPS65219_REG_SPARE_2 0x36
92 #define TPS65219_REG_SPARE_3 0x37
93 #define TPS65219_REG_FACTORY_CONFIG_2 0x41
95 /* Register field definitions */
96 #define TPS65219_DEVID_REV_MASK GENMASK(7, 0)
97 #define TPS65219_BUCKS_LDOS_VOUT_VSET_MASK GENMASK(5, 0)
98 #define TPS65219_BUCKS_UV_THR_SEL_MASK BIT(6)
99 #define TPS65219_BUCKS_BW_SEL_MASK BIT(7)
100 #define LDO_BYP_SHIFT 6
101 #define TPS65219_LDOS_BYP_CONFIG_MASK BIT(LDO_BYP_SHIFT)
102 #define TPS65219_LDOS_LSW_CONFIG_MASK BIT(7)
103 /* Regulators enable control */
104 #define TPS65219_ENABLE_BUCK1_EN_MASK BIT(0)
105 #define TPS65219_ENABLE_BUCK2_EN_MASK BIT(1)
106 #define TPS65219_ENABLE_BUCK3_EN_MASK BIT(2)
107 #define TPS65219_ENABLE_LDO1_EN_MASK BIT(3)
108 #define TPS65219_ENABLE_LDO2_EN_MASK BIT(4)
109 #define TPS65219_ENABLE_LDO3_EN_MASK BIT(5)
110 #define TPS65219_ENABLE_LDO4_EN_MASK BIT(6)
111 /* power ON-OFF sequence slot */
112 #define TPS65219_BUCKS_LDOS_SEQUENCE_OFF_SLOT_MASK GENMASK(3, 0)
113 #define TPS65219_BUCKS_LDOS_SEQUENCE_ON_SLOT_MASK GENMASK(7, 4)
114 /* TODO: Not needed, same mapping as TPS65219_ENABLE_REGNAME_EN, factorize */
115 #define TPS65219_STBY1_BUCK1_STBY_EN_MASK BIT(0)
116 #define TPS65219_STBY1_BUCK2_STBY_EN_MASK BIT(1)
117 #define TPS65219_STBY1_BUCK3_STBY_EN_MASK BIT(2)
118 #define TPS65219_STBY1_LDO1_STBY_EN_MASK BIT(3)
119 #define TPS65219_STBY1_LDO2_STBY_EN_MASK BIT(4)
120 #define TPS65219_STBY1_LDO3_STBY_EN_MASK BIT(5)
121 #define TPS65219_STBY1_LDO4_STBY_EN_MASK BIT(6)
123 #define TPS65219_STBY2_GPO1_STBY_EN_MASK BIT(0)
124 #define TPS65219_STBY2_GPO2_STBY_EN_MASK BIT(1)
125 #define TPS65219_STBY2_GPIO_STBY_EN_MASK BIT(2)
127 #define TPS65219_MFP_I2C_OFF_REQ_MASK BIT(0)
128 #define TPS65219_MFP_STBY_I2C_CTRL_MASK BIT(1)
129 #define TPS65219_MFP_COLD_RESET_I2C_CTRL_MASK BIT(2)
130 #define TPS65219_MFP_WARM_RESET_I2C_CTRL_MASK BIT(3)
131 #define TPS65219_MFP_GPIO_STATUS_MASK BIT(4)
133 #define TPS65219_MFP_1_VSEL_DDR_SEL_MASK BIT(0)
134 #define TPS65219_MFP_1_VSEL_SD_POL_MASK BIT(1)
135 #define TPS65219_MFP_1_VSEL_RAIL_MASK BIT(2)
137 #define TPS65219_MFP_2_MODE_STBY_MASK GENMASK(1, 0)
138 #define TPS65219_MFP_2_MODE_RESET_MASK BIT(2)
139 #define TPS65219_MFP_2_EN_PB_VSENSE_DEGL_MASK BIT(3)
140 #define TPS65219_MFP_2_EN_PB_VSENSE_MASK GENMASK(5, 4)
141 #define TPS65219_MFP_2_WARM_COLD_RESET_MASK BIT(6)
142 #define TPS65219_MFP_2_PU_ON_FSD_MASK BIT(7)
143 #define TPS65219_MFP_2_EN 0
144 #define TPS65219_MFP_2_PB BIT(4)
145 #define TPS65219_MFP_2_VSENSE BIT(5)
147 #define TPS65219_REG_MASK_UV_LDO1_UV_MASK BIT(0)
148 #define TPS65219_REG_MASK_UV_LDO2_UV_MASK BIT(1)
149 #define TPS65219_REG_MASK_UV_LDO3_UV_MASK BIT(2)
150 #define TPS65219_REG_MASK_UV_LDO4_UV_MASK BIT(3)
151 #define TPS65219_REG_MASK_UV_BUCK1_UV_MASK BIT(4)
152 #define TPS65219_REG_MASK_UV_BUCK2_UV_MASK BIT(5)
153 #define TPS65219_REG_MASK_UV_BUCK3_UV_MASK BIT(6)
154 #define TPS65219_REG_MASK_UV_RETRY_MASK BIT(7)
156 // SENSOR_N_WARM_MASK already defined in Thermal
157 #define TPS65219_REG_MASK_INT_FOR_RV_MASK BIT(4)
158 #define TPS65219_REG_MASK_EFFECT_MASK GENMASK(2, 1)
159 #define TPS65219_REG_MASK_INT_FOR_PB_MASK BIT(7)
160 /* UnderVoltage - Short to GND - OverCurrent*/
162 #define TPS65219_INT_LDO3_SCG_MASK BIT(0)
163 #define TPS65219_INT_LDO3_OC_MASK BIT(1)
164 #define TPS65219_INT_LDO3_UV_MASK BIT(2)
165 #define TPS65219_INT_LDO4_SCG_MASK BIT(3)
166 #define TPS65219_INT_LDO4_OC_MASK BIT(4)
167 #define TPS65219_INT_LDO4_UV_MASK BIT(5)
169 #define TPS65219_INT_LDO1_SCG_MASK BIT(0)
170 #define TPS65219_INT_LDO1_OC_MASK BIT(1)
171 #define TPS65219_INT_LDO1_UV_MASK BIT(2)
172 #define TPS65219_INT_LDO2_SCG_MASK BIT(3)
173 #define TPS65219_INT_LDO2_OC_MASK BIT(4)
174 #define TPS65219_INT_LDO2_UV_MASK BIT(5)
176 #define TPS65219_INT_BUCK3_SCG_MASK BIT(0)
177 #define TPS65219_INT_BUCK3_OC_MASK BIT(1)
178 #define TPS65219_INT_BUCK3_NEG_OC_MASK BIT(2)
179 #define TPS65219_INT_BUCK3_UV_MASK BIT(3)
181 #define TPS65219_INT_BUCK1_SCG_MASK BIT(0)
182 #define TPS65219_INT_BUCK1_OC_MASK BIT(1)
183 #define TPS65219_INT_BUCK1_NEG_OC_MASK BIT(2)
184 #define TPS65219_INT_BUCK1_UV_MASK BIT(3)
185 #define TPS65219_INT_BUCK2_SCG_MASK BIT(4)
186 #define TPS65219_INT_BUCK2_OC_MASK BIT(5)
187 #define TPS65219_INT_BUCK2_NEG_OC_MASK BIT(6)
188 #define TPS65219_INT_BUCK2_UV_MASK BIT(7)
190 #define TPS65219_INT_SENSOR_3_WARM_MASK BIT(0)
191 #define TPS65219_INT_SENSOR_2_WARM_MASK BIT(1)
192 #define TPS65219_INT_SENSOR_1_WARM_MASK BIT(2)
193 #define TPS65219_INT_SENSOR_0_WARM_MASK BIT(3)
194 #define TPS65219_INT_SENSOR_3_HOT_MASK BIT(4)
195 #define TPS65219_INT_SENSOR_2_HOT_MASK BIT(5)
196 #define TPS65219_INT_SENSOR_1_HOT_MASK BIT(6)
197 #define TPS65219_INT_SENSOR_0_HOT_MASK BIT(7)
198 /* Residual Voltage */
199 #define TPS65219_INT_BUCK1_RV_MASK BIT(0)
200 #define TPS65219_INT_BUCK2_RV_MASK BIT(1)
201 #define TPS65219_INT_BUCK3_RV_MASK BIT(2)
202 #define TPS65219_INT_LDO1_RV_MASK BIT(3)
203 #define TPS65219_INT_LDO2_RV_MASK BIT(4)
204 #define TPS65219_INT_LDO3_RV_MASK BIT(5)
205 #define TPS65219_INT_LDO4_RV_MASK BIT(6)
206 /* Residual Voltage ShutDown */
207 #define TPS65219_INT_BUCK1_RV_SD_MASK BIT(0)
208 #define TPS65219_INT_BUCK2_RV_SD_MASK BIT(1)
209 #define TPS65219_INT_BUCK3_RV_SD_MASK BIT(2)
210 #define TPS65219_INT_LDO1_RV_SD_MASK BIT(3)
211 #define TPS65219_INT_LDO2_RV_SD_MASK BIT(4)
212 #define TPS65219_INT_LDO3_RV_SD_MASK BIT(5)
213 #define TPS65219_INT_LDO4_RV_SD_MASK BIT(6)
214 #define TPS65219_INT_TIMEOUT_MASK BIT(7)
216 #define TPS65219_INT_PB_FALLING_EDGE_DETECT_MASK BIT(0)
217 #define TPS65219_INT_PB_RISING_EDGE_DETECT_MASK BIT(1)
218 #define TPS65219_INT_PB_REAL_TIME_STATUS_MASK BIT(2)
220 #define TPS65219_PB_POS 7
221 #define TPS65219_TO_RV_POS 6
222 #define TPS65219_RV_POS 5
223 #define TPS65219_SYS_POS 4
224 #define TPS65219_BUCK_1_2_POS 3
225 #define TPS65219_BUCK_3_POS 2
226 #define TPS65219_LDO_1_2_POS 1
227 #define TPS65219_LDO_3_4_POS 0
231 /* LDO3-4 register IRQs */
232 TPS65219_INT_LDO3_SCG,
233 TPS65219_INT_LDO3_OC,
234 TPS65219_INT_LDO3_UV,
235 TPS65219_INT_LDO4_SCG,
236 TPS65219_INT_LDO4_OC,
237 TPS65219_INT_LDO4_UV,
239 TPS65219_INT_LDO1_SCG,
240 TPS65219_INT_LDO1_OC,
241 TPS65219_INT_LDO1_UV,
242 TPS65219_INT_LDO2_SCG,
243 TPS65219_INT_LDO2_OC,
244 TPS65219_INT_LDO2_UV,
246 TPS65219_INT_BUCK3_SCG,
247 TPS65219_INT_BUCK3_OC,
248 TPS65219_INT_BUCK3_NEG_OC,
249 TPS65219_INT_BUCK3_UV,
251 TPS65219_INT_BUCK1_SCG,
252 TPS65219_INT_BUCK1_OC,
253 TPS65219_INT_BUCK1_NEG_OC,
254 TPS65219_INT_BUCK1_UV,
255 TPS65219_INT_BUCK2_SCG,
256 TPS65219_INT_BUCK2_OC,
257 TPS65219_INT_BUCK2_NEG_OC,
258 TPS65219_INT_BUCK2_UV,
260 TPS65219_INT_SENSOR_3_WARM,
261 TPS65219_INT_SENSOR_2_WARM,
262 TPS65219_INT_SENSOR_1_WARM,
263 TPS65219_INT_SENSOR_0_WARM,
264 TPS65219_INT_SENSOR_3_HOT,
265 TPS65219_INT_SENSOR_2_HOT,
266 TPS65219_INT_SENSOR_1_HOT,
267 TPS65219_INT_SENSOR_0_HOT,
268 /* Residual Voltage */
269 TPS65219_INT_BUCK1_RV,
270 TPS65219_INT_BUCK2_RV,
271 TPS65219_INT_BUCK3_RV,
272 TPS65219_INT_LDO1_RV,
273 TPS65219_INT_LDO2_RV,
274 TPS65219_INT_LDO3_RV,
275 TPS65219_INT_LDO4_RV,
276 /* Residual Voltage ShutDown */
277 TPS65219_INT_BUCK1_RV_SD,
278 TPS65219_INT_BUCK2_RV_SD,
279 TPS65219_INT_BUCK3_RV_SD,
280 TPS65219_INT_LDO1_RV_SD,
281 TPS65219_INT_LDO2_RV_SD,
282 TPS65219_INT_LDO3_RV_SD,
283 TPS65219_INT_LDO4_RV_SD,
284 TPS65219_INT_TIMEOUT,
286 TPS65219_INT_PB_FALLING_EDGE_DETECT,
287 TPS65219_INT_PB_RISING_EDGE_DETECT,
290 enum tps65219_regulator_id {
302 /* Number of step-down converters available */
303 #define TPS65219_NUM_DCDC 3
304 /* Number of LDO voltage regulators available */
305 #define TPS65219_NUM_LDO 4
306 /* Number of total regulators available */
307 #define TPS65219_NUM_REGULATOR (TPS65219_NUM_DCDC + TPS65219_NUM_LDO)
309 /* Define the TPS65219 IRQ numbers */
311 /* INT source registers */
312 TPS65219_TO_RV_SD_SET_IRQ,
314 TPS65219_SYS_SET_IRQ,
315 TPS65219_BUCK_1_2_SET_IRQ,
316 TPS65219_BUCK_3_SET_IRQ,
317 TPS65219_LDO_1_2_SET_IRQ,
318 TPS65219_LDO_3_4_SET_IRQ,
323 * struct tps65219 - tps65219 sub-driver chip access routines
325 * Device data may be used to access the TPS65219 chip
328 * @regmap: Regmap for accessing the device registers
329 * @irq_data: Regmap irq data used for the irq chip
330 * @nb: notifier block for the restart handler
334 struct regmap *regmap;
336 struct regmap_irq_chip_data *irq_data;
337 struct notifier_block nb;
340 #endif /* MFD_TPS65219_H */