mm: memcontrol: fix cgroup creation failure after many small jobs
[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
66#define TPS65218_INT1_VPRG BIT(5)
67#define TPS65218_INT1_AC BIT(4)
68#define TPS65218_INT1_PB BIT(3)
69#define TPS65218_INT1_HOT BIT(2)
70#define TPS65218_INT1_CC_AQC BIT(1)
71#define TPS65218_INT1_PRGC BIT(0)
72
73#define TPS65218_INT2_LS3_F BIT(5)
74#define TPS65218_INT2_LS2_F BIT(4)
75#define TPS65218_INT2_LS1_F BIT(3)
76#define TPS65218_INT2_LS3_I BIT(2)
77#define TPS65218_INT2_LS2_I BIT(1)
78#define TPS65218_INT2_LS1_I BIT(0)
79
80#define TPS65218_INT_MASK1_VPRG BIT(5)
81#define TPS65218_INT_MASK1_AC BIT(4)
82#define TPS65218_INT_MASK1_PB BIT(3)
83#define TPS65218_INT_MASK1_HOT BIT(2)
84#define TPS65218_INT_MASK1_CC_AQC BIT(1)
85#define TPS65218_INT_MASK1_PRGC BIT(0)
86
87#define TPS65218_INT_MASK2_LS3_F BIT(5)
88#define TPS65218_INT_MASK2_LS2_F BIT(4)
89#define TPS65218_INT_MASK2_LS1_F BIT(3)
90#define TPS65218_INT_MASK2_LS3_I BIT(2)
91#define TPS65218_INT_MASK2_LS2_I BIT(1)
92#define TPS65218_INT_MASK2_LS1_I BIT(0)
93
94#define TPS65218_STATUS_FSEAL BIT(7)
95#define TPS65218_STATUS_EE BIT(6)
96#define TPS65218_STATUS_AC_STATE BIT(5)
97#define TPS65218_STATUS_PB_STATE BIT(4)
98#define TPS65218_STATUS_STATE_MASK 0xC
99#define TPS65218_STATUS_CC_STAT 0x3
100
101#define TPS65218_CONTROL_OFFNPFO BIT(1)
102#define TPS65218_CONTROL_CC_AQ BIT(0)
103
104#define TPS65218_FLAG_GPO3_FLG BIT(7)
105#define TPS65218_FLAG_GPO2_FLG BIT(6)
106#define TPS65218_FLAG_GPO1_FLG BIT(5)
107#define TPS65218_FLAG_LDO1_FLG BIT(4)
108#define TPS65218_FLAG_DC4_FLG BIT(3)
109#define TPS65218_FLAG_DC3_FLG BIT(2)
110#define TPS65218_FLAG_DC2_FLG BIT(1)
111#define TPS65218_FLAG_DC1_FLG BIT(0)
112
113#define TPS65218_ENABLE1_DC6_EN BIT(5)
114#define TPS65218_ENABLE1_DC5_EN BIT(4)
115#define TPS65218_ENABLE1_DC4_EN BIT(3)
116#define TPS65218_ENABLE1_DC3_EN BIT(2)
117#define TPS65218_ENABLE1_DC2_EN BIT(1)
118#define TPS65218_ENABLE1_DC1_EN BIT(0)
119
120#define TPS65218_ENABLE2_GPIO3 BIT(6)
121#define TPS65218_ENABLE2_GPIO2 BIT(5)
122#define TPS65218_ENABLE2_GPIO1 BIT(4)
123#define TPS65218_ENABLE2_LS3_EN BIT(3)
124#define TPS65218_ENABLE2_LS2_EN BIT(2)
125#define TPS65218_ENABLE2_LS1_EN BIT(1)
126#define TPS65218_ENABLE2_LDO1_EN BIT(0)
127
128
129#define TPS65218_CONFIG1_TRST BIT(7)
130#define TPS65218_CONFIG1_GPO2_BUF BIT(6)
131#define TPS65218_CONFIG1_IO1_SEL BIT(5)
132#define TPS65218_CONFIG1_PGDLY_MASK 0x18
133#define TPS65218_CONFIG1_STRICT BIT(2)
134#define TPS65218_CONFIG1_UVLO_MASK 0x3
135
136#define TPS65218_CONFIG2_DC12_RST BIT(7)
137#define TPS65218_CONFIG2_UVLOHYS BIT(6)
138#define TPS65218_CONFIG2_LS3ILIM_MASK 0xC
139#define TPS65218_CONFIG2_LS2ILIM_MASK 0x3
140
141#define TPS65218_CONFIG3_LS3NPFO BIT(5)
142#define TPS65218_CONFIG3_LS2NPFO BIT(4)
143#define TPS65218_CONFIG3_LS1NPFO BIT(3)
144#define TPS65218_CONFIG3_LS3DCHRG BIT(2)
145#define TPS65218_CONFIG3_LS2DCHRG BIT(1)
146#define TPS65218_CONFIG3_LS1DCHRG BIT(0)
147
148#define TPS65218_CONTROL_DCDC1_PFM BIT(7)
149#define TPS65218_CONTROL_DCDC1_MASK 0x7F
150
151#define TPS65218_CONTROL_DCDC2_PFM BIT(7)
152#define TPS65218_CONTROL_DCDC2_MASK 0x3F
153
154#define TPS65218_CONTROL_DCDC3_PFM BIT(7)
155#define TPS65218_CONTROL_DCDC3_MASK 0x3F
156
157#define TPS65218_CONTROL_DCDC4_PFM BIT(7)
158#define TPS65218_CONTROL_DCDC4_MASK 0x3F
159
160#define TPS65218_SLEW_RATE_GO BIT(7)
161#define TPS65218_SLEW_RATE_GODSBL BIT(6)
162#define TPS65218_SLEW_RATE_SLEW_MASK 0x7
163
164#define TPS65218_CONTROL_LDO1_MASK 0x3F
165
166#define TPS65218_SEQ1_DLY8 BIT(7)
167#define TPS65218_SEQ1_DLY7 BIT(6)
168#define TPS65218_SEQ1_DLY6 BIT(5)
169#define TPS65218_SEQ1_DLY5 BIT(4)
170#define TPS65218_SEQ1_DLY4 BIT(3)
171#define TPS65218_SEQ1_DLY3 BIT(2)
172#define TPS65218_SEQ1_DLY2 BIT(1)
173#define TPS65218_SEQ1_DLY1 BIT(0)
174
175#define TPS65218_SEQ2_DLYFCTR BIT(7)
176#define TPS65218_SEQ2_DLY9 BIT(0)
177
178#define TPS65218_SEQ3_DC2_SEQ_MASK 0xF0
179#define TPS65218_SEQ3_DC1_SEQ_MASK 0xF
180
181#define TPS65218_SEQ4_DC4_SEQ_MASK 0xF0
182#define TPS65218_SEQ4_DC3_SEQ_MASK 0xF
183
184#define TPS65218_SEQ5_DC6_SEQ_MASK 0xF0
185#define TPS65218_SEQ5_DC5_SEQ_MASK 0xF
186
187#define TPS65218_SEQ6_LS1_SEQ_MASK 0xF0
188#define TPS65218_SEQ6_LDO1_SEQ_MASK 0xF
189
190#define TPS65218_SEQ7_GPO3_SEQ_MASK 0xF0
191#define TPS65218_SEQ7_GPO1_SEQ_MASK 0xF
192#define TPS65218_PROTECT_NONE 0
193#define TPS65218_PROTECT_L1 1
194
195enum tps65218_regulator_id {
196 /* DCDC's */
197 TPS65218_DCDC_1,
198 TPS65218_DCDC_2,
199 TPS65218_DCDC_3,
200 TPS65218_DCDC_4,
201 TPS65218_DCDC_5,
202 TPS65218_DCDC_6,
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203 /* LS's */
204 TPS65218_LS_3,
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205 /* LDOs */
206 TPS65218_LDO_1,
207};
208
209#define TPS65218_MAX_REG_ID TPS65218_LDO_1
210
211/* Number of step-down converters available */
212#define TPS65218_NUM_DCDC 6
213/* Number of LDO voltage regulators available */
214#define TPS65218_NUM_LDO 1
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215/* Number of total LS current regulators available */
216#define TPS65218_NUM_LS 1
44b4dc61 217/* Number of total regulators available */
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218#define TPS65218_NUM_REGULATOR (TPS65218_NUM_DCDC + TPS65218_NUM_LDO \
219 + TPS65218_NUM_LS)
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220
221/* Define the TPS65218 IRQ numbers */
222enum tps65218_irqs {
223 /* INT1 registers */
224 TPS65218_PRGC_IRQ,
225 TPS65218_CC_AQC_IRQ,
226 TPS65218_HOT_IRQ,
227 TPS65218_PB_IRQ,
228 TPS65218_AC_IRQ,
229 TPS65218_VPRG_IRQ,
230 TPS65218_INVALID1_IRQ,
231 TPS65218_INVALID2_IRQ,
232 /* INT2 registers */
233 TPS65218_LS1_I_IRQ,
234 TPS65218_LS2_I_IRQ,
235 TPS65218_LS3_I_IRQ,
236 TPS65218_LS1_F_IRQ,
237 TPS65218_LS2_F_IRQ,
238 TPS65218_LS3_F_IRQ,
239 TPS65218_INVALID3_IRQ,
240 TPS65218_INVALID4_IRQ,
241};
242
243/**
244 * struct tps_info - packages regulator constraints
245 * @id: Id of the regulator
246 * @name: Voltage regulator name
247 * @min_uV: minimum micro volts
248 * @max_uV: minimum micro volts
249 *
250 * This data is used to check the regualtor voltage limits while setting.
251 */
252struct tps_info {
253 int id;
254 const char *name;
255 int min_uV;
256 int max_uV;
257};
258
259/**
260 * struct tps65218 - tps65218 sub-driver chip access routines
261 *
262 * Device data may be used to access the TPS65218 chip
263 */
264
265struct tps65218 {
266 struct device *dev;
267 unsigned int id;
268
269 struct mutex tps_lock; /* lock guarding the data structure */
270 /* IRQ Data */
271 int irq;
272 u32 irq_mask;
273 struct regmap_irq_chip_data *irq_data;
274 struct regulator_desc desc[TPS65218_NUM_REGULATOR];
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275 struct tps_info *info[TPS65218_NUM_REGULATOR];
276 struct regmap *regmap;
277};
278
279int tps65218_reg_read(struct tps65218 *tps, unsigned int reg,
280 unsigned int *val);
281int tps65218_reg_write(struct tps65218 *tps, unsigned int reg,
282 unsigned int val, unsigned int level);
283int tps65218_set_bits(struct tps65218 *tps, unsigned int reg,
284 unsigned int mask, unsigned int val, unsigned int level);
285int tps65218_clear_bits(struct tps65218 *tps, unsigned int reg,
286 unsigned int mask, unsigned int level);
287
288#endif /* __LINUX_MFD_TPS65218_H */
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