1 /*
2 * linux/mfd/tps65217.h
3 *
4 * Functions to access TPS65217 power management chip.
5 *
6 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation version 2.
11 *
12 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
13 * kind, whether express or implied; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 */
17
18 #ifndef __LINUX_MFD_TPS65217_H
19 #define __LINUX_MFD_TPS65217_H
20
21 #include <linux/i2c.h>
22 #include <linux/regulator/driver.h>
23 #include <linux/regulator/machine.h>
24
25 /* TPS chip id list */
26 #define TPS65217 0xF0
27
28 /* I2C ID for TPS65217 part */
29 #define TPS65217_I2C_ID 0x24
30
31 /* All register addresses */
32 #define TPS65217_REG_CHIPID 0X00
33 #define TPS65217_REG_PPATH 0X01
34 #define TPS65217_REG_INT 0X02
35 #define TPS65217_REG_CHGCONFIG0 0X03
36 #define TPS65217_REG_CHGCONFIG1 0X04
37 #define TPS65217_REG_CHGCONFIG2 0X05
38 #define TPS65217_REG_CHGCONFIG3 0X06
39 #define TPS65217_REG_WLEDCTRL1 0X07
40 #define TPS65217_REG_WLEDCTRL2 0X08
41 #define TPS65217_REG_MUXCTRL 0X09
42 #define TPS65217_REG_STATUS 0X0A
43 #define TPS65217_REG_PASSWORD 0X0B
44 #define TPS65217_REG_PGOOD 0X0C
45 #define TPS65217_REG_DEFPG 0X0D
46 #define TPS65217_REG_DEFDCDC1 0X0E
47 #define TPS65217_REG_DEFDCDC2 0X0F
48 #define TPS65217_REG_DEFDCDC3 0X10
49 #define TPS65217_REG_DEFSLEW 0X11
50 #define TPS65217_REG_DEFLDO1 0X12
51 #define TPS65217_REG_DEFLDO2 0X13
52 #define TPS65217_REG_DEFLS1 0X14
53 #define TPS65217_REG_DEFLS2 0X15
54 #define TPS65217_REG_ENABLE 0X16
55 #define TPS65217_REG_DEFUVLO 0X18
56 #define TPS65217_REG_SEQ1 0X19
57 #define TPS65217_REG_SEQ2 0X1A
58 #define TPS65217_REG_SEQ3 0X1B
59 #define TPS65217_REG_SEQ4 0X1C
60 #define TPS65217_REG_SEQ5 0X1D
61 #define TPS65217_REG_SEQ6 0X1E
62
63 /* Register field definitions */
64 #define TPS65217_CHIPID_CHIP_MASK 0xF0
65 #define TPS65217_CHIPID_REV_MASK 0x0F
66
67 #define TPS65217_PPATH_ACSINK_ENABLE BIT(7)
68 #define TPS65217_PPATH_USBSINK_ENABLE BIT(6)
69 #define TPS65217_PPATH_AC_PW_ENABLE BIT(5)
70 #define TPS65217_PPATH_USB_PW_ENABLE BIT(4)
71 #define TPS65217_PPATH_AC_CURRENT_MASK 0x0C
72 #define TPS65217_PPATH_USB_CURRENT_MASK 0x03
73
74 #define TPS65217_INT_PBM BIT(6)
75 #define TPS65217_INT_ACM BIT(5)
76 #define TPS65217_INT_USBM BIT(4)
77 #define TPS65217_INT_PBI BIT(2)
78 #define TPS65217_INT_ACI BIT(1)
79 #define TPS65217_INT_USBI BIT(0)
80
81 #define TPS65217_CHGCONFIG0_TREG BIT(7)
82 #define TPS65217_CHGCONFIG0_DPPM BIT(6)
83 #define TPS65217_CHGCONFIG0_TSUSP BIT(5)
84 #define TPS65217_CHGCONFIG0_TERMI BIT(4)
85 #define TPS65217_CHGCONFIG0_ACTIVE BIT(3)
86 #define TPS65217_CHGCONFIG0_CHGTOUT BIT(2)
87 #define TPS65217_CHGCONFIG0_PCHGTOUT BIT(1)
88 #define TPS65217_CHGCONFIG0_BATTEMP BIT(0)
89
90 #define TPS65217_CHGCONFIG1_TMR_MASK 0xC0
91 #define TPS65217_CHGCONFIG1_TMR_ENABLE BIT(5)
92 #define TPS65217_CHGCONFIG1_NTC_TYPE BIT(4)
93 #define TPS65217_CHGCONFIG1_RESET BIT(3)
94 #define TPS65217_CHGCONFIG1_TERM BIT(2)
95 #define TPS65217_CHGCONFIG1_SUSP BIT(1)
96 #define TPS65217_CHGCONFIG1_CHG_EN BIT(0)
97
98 #define TPS65217_CHGCONFIG2_DYNTMR BIT(7)
99 #define TPS65217_CHGCONFIG2_VPREGHG BIT(6)
100 #define TPS65217_CHGCONFIG2_VOREG_MASK 0x30
101
102 #define TPS65217_CHGCONFIG3_ICHRG_MASK 0xC0
103 #define TPS65217_CHGCONFIG3_DPPMTH_MASK 0x30
104 #define TPS65217_CHGCONFIG2_PCHRGT BIT(3)
105 #define TPS65217_CHGCONFIG2_TERMIF 0x06
106 #define TPS65217_CHGCONFIG2_TRANGE BIT(0)
107
108 #define TPS65217_WLEDCTRL1_ISINK_ENABLE BIT(3)
109 #define TPS65217_WLEDCTRL1_ISEL BIT(2)
110 #define TPS65217_WLEDCTRL1_FDIM_MASK 0x03
111
112 #define TPS65217_WLEDCTRL2_DUTY_MASK 0x7F
113
114 #define TPS65217_MUXCTRL_MUX_MASK 0x07
115
116 #define TPS65217_STATUS_OFF BIT(7)
117 #define TPS65217_STATUS_ACPWR BIT(3)
118 #define TPS65217_STATUS_USBPWR BIT(2)
119 #define TPS65217_STATUS_PB BIT(0)
120
121 #define TPS65217_PASSWORD_REGS_UNLOCK 0x7D
122
123 #define TPS65217_PGOOD_LDO3_PG BIT(6)
124 #define TPS65217_PGOOD_LDO4_PG BIT(5)
125 #define TPS65217_PGOOD_DC1_PG BIT(4)
126 #define TPS65217_PGOOD_DC2_PG BIT(3)
127 #define TPS65217_PGOOD_DC3_PG BIT(2)
128 #define TPS65217_PGOOD_LDO1_PG BIT(1)
129 #define TPS65217_PGOOD_LDO2_PG BIT(0)
130
131 #define TPS65217_DEFPG_LDO1PGM BIT(3)
132 #define TPS65217_DEFPG_LDO2PGM BIT(2)
133 #define TPS65217_DEFPG_PGDLY_MASK 0x03
134
135 #define TPS65217_DEFDCDCX_XADJX BIT(7)
136 #define TPS65217_DEFDCDCX_DCDC_MASK 0x3F
137
138 #define TPS65217_DEFSLEW_GO BIT(7)
139 #define TPS65217_DEFSLEW_GODSBL BIT(6)
140 #define TPS65217_DEFSLEW_PFM_EN1 BIT(5)
141 #define TPS65217_DEFSLEW_PFM_EN2 BIT(4)
142 #define TPS65217_DEFSLEW_PFM_EN3 BIT(3)
143 #define TPS65217_DEFSLEW_SLEW_MASK 0x07
144
145 #define TPS65217_DEFLDO1_LDO1_MASK 0x0F
146
147 #define TPS65217_DEFLDO2_TRACK BIT(6)
148 #define TPS65217_DEFLDO2_LDO2_MASK 0x3F
149
150 #define TPS65217_DEFLDO3_LDO3_EN BIT(5)
151 #define TPS65217_DEFLDO3_LDO3_MASK 0x1F
152
153 #define TPS65217_DEFLDO4_LDO4_EN BIT(5)
154 #define TPS65217_DEFLDO4_LDO4_MASK 0x1F
155
156 #define TPS65217_ENABLE_LS1_EN BIT(6)
157 #define TPS65217_ENABLE_LS2_EN BIT(5)
158 #define TPS65217_ENABLE_DC1_EN BIT(4)
159 #define TPS65217_ENABLE_DC2_EN BIT(3)
160 #define TPS65217_ENABLE_DC3_EN BIT(2)
161 #define TPS65217_ENABLE_LDO1_EN BIT(1)
162 #define TPS65217_ENABLE_LDO2_EN BIT(0)
163
164 #define TPS65217_DEFUVLO_UVLOHYS BIT(2)
165 #define TPS65217_DEFUVLO_UVLO_MASK 0x03
166
167 #define TPS65217_SEQ1_DC1_SEQ_MASK 0xF0
168 #define TPS65217_SEQ1_DC2_SEQ_MASK 0x0F
169
170 #define TPS65217_SEQ2_DC3_SEQ_MASK 0xF0
171 #define TPS65217_SEQ2_LDO1_SEQ_MASK 0x0F
172
173 #define TPS65217_SEQ3_LDO2_SEQ_MASK 0xF0
174 #define TPS65217_SEQ3_LDO3_SEQ_MASK 0x0F
175
176 #define TPS65217_SEQ4_LDO4_SEQ_MASK 0xF0
177
178 #define TPS65217_SEQ5_DLY1_MASK 0xC0
179 #define TPS65217_SEQ5_DLY2_MASK 0x30
180 #define TPS65217_SEQ5_DLY3_MASK 0x0C
181 #define TPS65217_SEQ5_DLY4_MASK 0x03
182
183 #define TPS65217_SEQ6_DLY5_MASK 0xC0
184 #define TPS65217_SEQ6_DLY6_MASK 0x30
185 #define TPS65217_SEQ6_SEQUP BIT(2)
186 #define TPS65217_SEQ6_SEQDWN BIT(1)
187 #define TPS65217_SEQ6_INSTDWN BIT(0)
188
189 #define TPS65217_MAX_REGISTER 0x1E
190 #define TPS65217_PROTECT_NONE 0
191 #define TPS65217_PROTECT_L1 1
192 #define TPS65217_PROTECT_L2 2
193
194
195 enum tps65217_regulator_id {
196 /* DCDC's */
197 TPS65217_DCDC_1,
198 TPS65217_DCDC_2,
199 TPS65217_DCDC_3,
200 /* LDOs */
201 TPS65217_LDO_1,
202 TPS65217_LDO_2,
203 TPS65217_LDO_3,
204 TPS65217_LDO_4,
205 };
206
207 #define TPS65217_MAX_REG_ID TPS65217_LDO_4
208
209 /* Number of step-down converters available */
210 #define TPS65217_NUM_DCDC 3
211 /* Number of LDO voltage regulators available */
212 #define TPS65217_NUM_LDO 4
213 /* Number of total regulators available */
214 #define TPS65217_NUM_REGULATOR (TPS65217_NUM_DCDC + TPS65217_NUM_LDO)
215
216 enum tps65217_bl_isel {
217 TPS65217_BL_ISET1 = 1,
218 TPS65217_BL_ISET2,
219 };
220
221 enum tps65217_bl_fdim {
222 TPS65217_BL_FDIM_100HZ,
223 TPS65217_BL_FDIM_200HZ,
224 TPS65217_BL_FDIM_500HZ,
225 TPS65217_BL_FDIM_1000HZ,
226 };
227
228 struct tps65217_bl_pdata {
229 enum tps65217_bl_isel isel;
230 enum tps65217_bl_fdim fdim;
231 int dft_brightness;
232 };
233
234 /**
235 * struct tps65217_board - packages regulator init data
236 * @tps65217_regulator_data: regulator initialization values
237 *
238 * Board data may be used to initialize regulator.
239 */
240 struct tps65217_board {
241 struct regulator_init_data *tps65217_init_data[TPS65217_NUM_REGULATOR];
242 struct device_node *of_node[TPS65217_NUM_REGULATOR];
243 struct tps65217_bl_pdata *bl_pdata;
244 };
245
246 /**
247 * struct tps_info - packages regulator constraints
248 * @name: Voltage regulator name
249 * @min_uV: minimum micro volts
250 * @max_uV: minimum micro volts
251 * @vsel_to_uv: Function pointer to get voltage from selector
252 * @uv_to_vsel: Function pointer to get selector from voltage
253 *
254 * This data is used to check the regualtor voltage limits while setting.
255 */
256 struct tps_info {
257 const char *name;
258 int min_uV;
259 int max_uV;
260 int (*vsel_to_uv)(unsigned int vsel);
261 int (*uv_to_vsel)(int uV, unsigned int *vsel);
262 };
263
264 /**
265 * struct tps65217 - tps65217 sub-driver chip access routines
266 *
267 * Device data may be used to access the TPS65217 chip
268 */
269
270 struct tps65217 {
271 struct device *dev;
272 struct tps65217_board *pdata;
273 unsigned int id;
274 struct regulator_desc desc[TPS65217_NUM_REGULATOR];
275 struct regulator_dev *rdev[TPS65217_NUM_REGULATOR];
276 struct tps_info *info[TPS65217_NUM_REGULATOR];
277 struct regmap *regmap;
278 };
279
dev_to_tps65217(struct device * dev)280 static inline struct tps65217 *dev_to_tps65217(struct device *dev)
281 {
282 return dev_get_drvdata(dev);
283 }
284
tps65217_chip_id(struct tps65217 * tps65217)285 static inline int tps65217_chip_id(struct tps65217 *tps65217)
286 {
287 return tps65217->id;
288 }
289
290 int tps65217_reg_read(struct tps65217 *tps, unsigned int reg,
291 unsigned int *val);
292 int tps65217_reg_write(struct tps65217 *tps, unsigned int reg,
293 unsigned int val, unsigned int level);
294 int tps65217_set_bits(struct tps65217 *tps, unsigned int reg,
295 unsigned int mask, unsigned int val, unsigned int level);
296 int tps65217_clear_bits(struct tps65217 *tps, unsigned int reg,
297 unsigned int mask, unsigned int level);
298
299 #endif /* __LINUX_MFD_TPS65217_H */
300