xref: /openbmc/linux/include/linux/mfd/tps65217.h (revision cd5d5810)
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 tps65217 - tps65217 sub-driver chip access routines
248  *
249  * Device data may be used to access the TPS65217 chip
250  */
251 
252 struct tps65217 {
253 	struct device *dev;
254 	struct tps65217_board *pdata;
255 	unsigned int id;
256 	struct regulator_desc desc[TPS65217_NUM_REGULATOR];
257 	struct regulator_dev *rdev[TPS65217_NUM_REGULATOR];
258 	struct regmap *regmap;
259 };
260 
261 static inline struct tps65217 *dev_to_tps65217(struct device *dev)
262 {
263 	return dev_get_drvdata(dev);
264 }
265 
266 static inline int tps65217_chip_id(struct tps65217 *tps65217)
267 {
268 	return tps65217->id;
269 }
270 
271 int tps65217_reg_read(struct tps65217 *tps, unsigned int reg,
272 					unsigned int *val);
273 int tps65217_reg_write(struct tps65217 *tps, unsigned int reg,
274 			unsigned int val, unsigned int level);
275 int tps65217_set_bits(struct tps65217 *tps, unsigned int reg,
276 		unsigned int mask, unsigned int val, unsigned int level);
277 int tps65217_clear_bits(struct tps65217 *tps, unsigned int reg,
278 		unsigned int mask, unsigned int level);
279 
280 #endif /*  __LINUX_MFD_TPS65217_H */
281