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[deliverable/linux.git] / include / linux / mfd / tps65218.h
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1/*
2 * linux/mfd/tps65218.h
3 *
4 * Functions to access TPS65219 power management chip.
5 *
6 * Copyright (C) 2014 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 version 2 as
10 * published by the Free Software Foundation.
11 *
12 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
13 * kind, whether expressed or implied; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License version 2 for more details.
16 */
17
18#ifndef __LINUX_MFD_TPS65218_H
19#define __LINUX_MFD_TPS65218_H
20
21#include <linux/i2c.h>
22#include <linux/regulator/driver.h>
23#include <linux/regulator/machine.h>
24#include <linux/bitops.h>
25
26/* TPS chip id list */
27#define TPS65218 0xF0
28
29/* I2C ID for TPS65218 part */
30#define TPS65218_I2C_ID 0x24
31
32/* All register addresses */
33#define TPS65218_REG_CHIPID 0x00
34#define TPS65218_REG_INT1 0x01
35#define TPS65218_REG_INT2 0x02
36#define TPS65218_REG_INT_MASK1 0x03
37#define TPS65218_REG_INT_MASK2 0x04
38#define TPS65218_REG_STATUS 0x05
39#define TPS65218_REG_CONTROL 0x06
40#define TPS65218_REG_FLAG 0x07
41
42#define TPS65218_REG_PASSWORD 0x10
43#define TPS65218_REG_ENABLE1 0x11
44#define TPS65218_REG_ENABLE2 0x12
45#define TPS65218_REG_CONFIG1 0x13
46#define TPS65218_REG_CONFIG2 0x14
47#define TPS65218_REG_CONFIG3 0x15
48#define TPS65218_REG_CONTROL_DCDC1 0x16
49#define TPS65218_REG_CONTROL_DCDC2 0x17
50#define TPS65218_REG_CONTROL_DCDC3 0x18
51#define TPS65218_REG_CONTROL_DCDC4 0x19
52#define TPS65218_REG_CONTRL_SLEW_RATE 0x1A
53#define TPS65218_REG_CONTROL_LDO1 0x1B
54#define TPS65218_REG_SEQ1 0x20
55#define TPS65218_REG_SEQ2 0x21
56#define TPS65218_REG_SEQ3 0x22
57#define TPS65218_REG_SEQ4 0x23
58#define TPS65218_REG_SEQ5 0x24
59#define TPS65218_REG_SEQ6 0x25
60#define TPS65218_REG_SEQ7 0x26
61
62/* Register field definitions */
63#define TPS65218_CHIPID_CHIP_MASK 0xF8
64#define TPS65218_CHIPID_REV_MASK 0x07
65
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66#define TPS65218_REV_1_0 0x0
67#define TPS65218_REV_1_1 0x1
68#define TPS65218_REV_2_0 0x2
69#define TPS65218_REV_2_1 0x3
70
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71#define TPS65218_INT1_VPRG BIT(5)
72#define TPS65218_INT1_AC BIT(4)
73#define TPS65218_INT1_PB BIT(3)
74#define TPS65218_INT1_HOT BIT(2)
75#define TPS65218_INT1_CC_AQC BIT(1)
76#define TPS65218_INT1_PRGC BIT(0)
77
78#define TPS65218_INT2_LS3_F BIT(5)
79#define TPS65218_INT2_LS2_F BIT(4)
80#define TPS65218_INT2_LS1_F BIT(3)
81#define TPS65218_INT2_LS3_I BIT(2)
82#define TPS65218_INT2_LS2_I BIT(1)
83#define TPS65218_INT2_LS1_I BIT(0)
84
85#define TPS65218_INT_MASK1_VPRG BIT(5)
86#define TPS65218_INT_MASK1_AC BIT(4)
87#define TPS65218_INT_MASK1_PB BIT(3)
88#define TPS65218_INT_MASK1_HOT BIT(2)
89#define TPS65218_INT_MASK1_CC_AQC BIT(1)
90#define TPS65218_INT_MASK1_PRGC BIT(0)
91
92#define TPS65218_INT_MASK2_LS3_F BIT(5)
93#define TPS65218_INT_MASK2_LS2_F BIT(4)
94#define TPS65218_INT_MASK2_LS1_F BIT(3)
95#define TPS65218_INT_MASK2_LS3_I BIT(2)
96#define TPS65218_INT_MASK2_LS2_I BIT(1)
97#define TPS65218_INT_MASK2_LS1_I BIT(0)
98
99#define TPS65218_STATUS_FSEAL BIT(7)
100#define TPS65218_STATUS_EE BIT(6)
101#define TPS65218_STATUS_AC_STATE BIT(5)
102#define TPS65218_STATUS_PB_STATE BIT(4)
103#define TPS65218_STATUS_STATE_MASK 0xC
104#define TPS65218_STATUS_CC_STAT 0x3
105
106#define TPS65218_CONTROL_OFFNPFO BIT(1)
107#define TPS65218_CONTROL_CC_AQ BIT(0)
108
109#define TPS65218_FLAG_GPO3_FLG BIT(7)
110#define TPS65218_FLAG_GPO2_FLG BIT(6)
111#define TPS65218_FLAG_GPO1_FLG BIT(5)
112#define TPS65218_FLAG_LDO1_FLG BIT(4)
113#define TPS65218_FLAG_DC4_FLG BIT(3)
114#define TPS65218_FLAG_DC3_FLG BIT(2)
115#define TPS65218_FLAG_DC2_FLG BIT(1)
116#define TPS65218_FLAG_DC1_FLG BIT(0)
117
118#define TPS65218_ENABLE1_DC6_EN BIT(5)
119#define TPS65218_ENABLE1_DC5_EN BIT(4)
120#define TPS65218_ENABLE1_DC4_EN BIT(3)
121#define TPS65218_ENABLE1_DC3_EN BIT(2)
122#define TPS65218_ENABLE1_DC2_EN BIT(1)
123#define TPS65218_ENABLE1_DC1_EN BIT(0)
124
125#define TPS65218_ENABLE2_GPIO3 BIT(6)
126#define TPS65218_ENABLE2_GPIO2 BIT(5)
127#define TPS65218_ENABLE2_GPIO1 BIT(4)
128#define TPS65218_ENABLE2_LS3_EN BIT(3)
129#define TPS65218_ENABLE2_LS2_EN BIT(2)
130#define TPS65218_ENABLE2_LS1_EN BIT(1)
131#define TPS65218_ENABLE2_LDO1_EN BIT(0)
132
133
134#define TPS65218_CONFIG1_TRST BIT(7)
135#define TPS65218_CONFIG1_GPO2_BUF BIT(6)
136#define TPS65218_CONFIG1_IO1_SEL BIT(5)
137#define TPS65218_CONFIG1_PGDLY_MASK 0x18
138#define TPS65218_CONFIG1_STRICT BIT(2)
139#define TPS65218_CONFIG1_UVLO_MASK 0x3
140
141#define TPS65218_CONFIG2_DC12_RST BIT(7)
142#define TPS65218_CONFIG2_UVLOHYS BIT(6)
143#define TPS65218_CONFIG2_LS3ILIM_MASK 0xC
144#define TPS65218_CONFIG2_LS2ILIM_MASK 0x3
145
146#define TPS65218_CONFIG3_LS3NPFO BIT(5)
147#define TPS65218_CONFIG3_LS2NPFO BIT(4)
148#define TPS65218_CONFIG3_LS1NPFO BIT(3)
149#define TPS65218_CONFIG3_LS3DCHRG BIT(2)
150#define TPS65218_CONFIG3_LS2DCHRG BIT(1)
151#define TPS65218_CONFIG3_LS1DCHRG BIT(0)
152
153#define TPS65218_CONTROL_DCDC1_PFM BIT(7)
154#define TPS65218_CONTROL_DCDC1_MASK 0x7F
155
156#define TPS65218_CONTROL_DCDC2_PFM BIT(7)
157#define TPS65218_CONTROL_DCDC2_MASK 0x3F
158
159#define TPS65218_CONTROL_DCDC3_PFM BIT(7)
160#define TPS65218_CONTROL_DCDC3_MASK 0x3F
161
162#define TPS65218_CONTROL_DCDC4_PFM BIT(7)
163#define TPS65218_CONTROL_DCDC4_MASK 0x3F
164
165#define TPS65218_SLEW_RATE_GO BIT(7)
166#define TPS65218_SLEW_RATE_GODSBL BIT(6)
167#define TPS65218_SLEW_RATE_SLEW_MASK 0x7
168
169#define TPS65218_CONTROL_LDO1_MASK 0x3F
170
171#define TPS65218_SEQ1_DLY8 BIT(7)
172#define TPS65218_SEQ1_DLY7 BIT(6)
173#define TPS65218_SEQ1_DLY6 BIT(5)
174#define TPS65218_SEQ1_DLY5 BIT(4)
175#define TPS65218_SEQ1_DLY4 BIT(3)
176#define TPS65218_SEQ1_DLY3 BIT(2)
177#define TPS65218_SEQ1_DLY2 BIT(1)
178#define TPS65218_SEQ1_DLY1 BIT(0)
179
180#define TPS65218_SEQ2_DLYFCTR BIT(7)
181#define TPS65218_SEQ2_DLY9 BIT(0)
182
183#define TPS65218_SEQ3_DC2_SEQ_MASK 0xF0
184#define TPS65218_SEQ3_DC1_SEQ_MASK 0xF
185
186#define TPS65218_SEQ4_DC4_SEQ_MASK 0xF0
187#define TPS65218_SEQ4_DC3_SEQ_MASK 0xF
188
189#define TPS65218_SEQ5_DC6_SEQ_MASK 0xF0
190#define TPS65218_SEQ5_DC5_SEQ_MASK 0xF
191
192#define TPS65218_SEQ6_LS1_SEQ_MASK 0xF0
193#define TPS65218_SEQ6_LDO1_SEQ_MASK 0xF
194
195#define TPS65218_SEQ7_GPO3_SEQ_MASK 0xF0
196#define TPS65218_SEQ7_GPO1_SEQ_MASK 0xF
197#define TPS65218_PROTECT_NONE 0
198#define TPS65218_PROTECT_L1 1
199
200enum tps65218_regulator_id {
201 /* DCDC's */
202 TPS65218_DCDC_1,
203 TPS65218_DCDC_2,
204 TPS65218_DCDC_3,
205 TPS65218_DCDC_4,
206 TPS65218_DCDC_5,
207 TPS65218_DCDC_6,
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208 /* LS's */
209 TPS65218_LS_3,
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210 /* LDOs */
211 TPS65218_LDO_1,
212};
213
214#define TPS65218_MAX_REG_ID TPS65218_LDO_1
215
216/* Number of step-down converters available */
217#define TPS65218_NUM_DCDC 6
218/* Number of LDO voltage regulators available */
219#define TPS65218_NUM_LDO 1
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220/* Number of total LS current regulators available */
221#define TPS65218_NUM_LS 1
44b4dc61 222/* Number of total regulators available */
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223#define TPS65218_NUM_REGULATOR (TPS65218_NUM_DCDC + TPS65218_NUM_LDO \
224 + TPS65218_NUM_LS)
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225
226/* Define the TPS65218 IRQ numbers */
227enum tps65218_irqs {
228 /* INT1 registers */
229 TPS65218_PRGC_IRQ,
230 TPS65218_CC_AQC_IRQ,
231 TPS65218_HOT_IRQ,
232 TPS65218_PB_IRQ,
233 TPS65218_AC_IRQ,
234 TPS65218_VPRG_IRQ,
235 TPS65218_INVALID1_IRQ,
236 TPS65218_INVALID2_IRQ,
237 /* INT2 registers */
238 TPS65218_LS1_I_IRQ,
239 TPS65218_LS2_I_IRQ,
240 TPS65218_LS3_I_IRQ,
241 TPS65218_LS1_F_IRQ,
242 TPS65218_LS2_F_IRQ,
243 TPS65218_LS3_F_IRQ,
244 TPS65218_INVALID3_IRQ,
245 TPS65218_INVALID4_IRQ,
246};
247
248/**
249 * struct tps_info - packages regulator constraints
250 * @id: Id of the regulator
251 * @name: Voltage regulator name
252 * @min_uV: minimum micro volts
253 * @max_uV: minimum micro volts
b9a0d359 254 * @strobe: sequencing strobe value for the regulator
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255 *
256 * This data is used to check the regualtor voltage limits while setting.
257 */
258struct tps_info {
259 int id;
260 const char *name;
261 int min_uV;
262 int max_uV;
b9a0d359 263 int strobe;
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264};
265
266/**
267 * struct tps65218 - tps65218 sub-driver chip access routines
268 *
269 * Device data may be used to access the TPS65218 chip
270 */
271
272struct tps65218 {
273 struct device *dev;
274 unsigned int id;
f11fa179 275 u8 rev;
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276
277 struct mutex tps_lock; /* lock guarding the data structure */
278 /* IRQ Data */
279 int irq;
280 u32 irq_mask;
281 struct regmap_irq_chip_data *irq_data;
282 struct regulator_desc desc[TPS65218_NUM_REGULATOR];
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283 struct tps_info *info[TPS65218_NUM_REGULATOR];
284 struct regmap *regmap;
285};
286
287int tps65218_reg_read(struct tps65218 *tps, unsigned int reg,
288 unsigned int *val);
289int tps65218_reg_write(struct tps65218 *tps, unsigned int reg,
290 unsigned int val, unsigned int level);
291int tps65218_set_bits(struct tps65218 *tps, unsigned int reg,
292 unsigned int mask, unsigned int val, unsigned int level);
293int tps65218_clear_bits(struct tps65218 *tps, unsigned int reg,
294 unsigned int mask, unsigned int level);
295
296#endif /* __LINUX_MFD_TPS65218_H */
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