2 * Functions to access LP873X power management chip.
4 * Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation version 2.
10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
11 * kind, whether express or implied; without even the implied warranty
12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
16 #ifndef __LINUX_MFD_LP873X_H
17 #define __LINUX_MFD_LP873X_H
19 #include <linux/i2c.h>
20 #include <linux/regulator/driver.h>
21 #include <linux/regulator/machine.h>
23 /* LP873x chip id list */
26 /* All register addresses */
27 #define LP873X_REG_DEV_REV 0X00
28 #define LP873X_REG_OTP_REV 0X01
29 #define LP873X_REG_BUCK0_CTRL_1 0X02
30 #define LP873X_REG_BUCK0_CTRL_2 0X03
31 #define LP873X_REG_BUCK1_CTRL_1 0X04
32 #define LP873X_REG_BUCK1_CTRL_2 0X05
33 #define LP873X_REG_BUCK0_VOUT 0X06
34 #define LP873X_REG_BUCK1_VOUT 0X07
35 #define LP873X_REG_LDO0_CTRL 0X08
36 #define LP873X_REG_LDO1_CTRL 0X09
37 #define LP873X_REG_LDO0_VOUT 0X0A
38 #define LP873X_REG_LDO1_VOUT 0X0B
39 #define LP873X_REG_BUCK0_DELAY 0X0C
40 #define LP873X_REG_BUCK1_DELAY 0X0D
41 #define LP873X_REG_LDO0_DELAY 0X0E
42 #define LP873X_REG_LDO1_DELAY 0X0F
43 #define LP873X_REG_GPO_DELAY 0X10
44 #define LP873X_REG_GPO2_DELAY 0X11
45 #define LP873X_REG_GPO_CTRL 0X12
46 #define LP873X_REG_CONFIG 0X13
47 #define LP873X_REG_PLL_CTRL 0X14
48 #define LP873X_REG_PGOOD_CTRL1 0X15
49 #define LP873X_REG_PGOOD_CTRL2 0X16
50 #define LP873X_REG_PG_FAULT 0X17
51 #define LP873X_REG_RESET 0X18
52 #define LP873X_REG_INT_TOP_1 0X19
53 #define LP873X_REG_INT_TOP_2 0X1A
54 #define LP873X_REG_INT_BUCK 0X1B
55 #define LP873X_REG_INT_LDO 0X1C
56 #define LP873X_REG_TOP_STAT 0X1D
57 #define LP873X_REG_BUCK_STAT 0X1E
58 #define LP873X_REG_LDO_STAT 0x1F
59 #define LP873X_REG_TOP_MASK_1 0x20
60 #define LP873X_REG_TOP_MASK_2 0x21
61 #define LP873X_REG_BUCK_MASK 0x22
62 #define LP873X_REG_LDO_MASK 0x23
63 #define LP873X_REG_SEL_I_LOAD 0x24
64 #define LP873X_REG_I_LOAD_2 0x25
65 #define LP873X_REG_I_LOAD_1 0x26
67 #define LP873X_REG_MAX LP873X_REG_I_LOAD_1
69 /* Register field definitions */
70 #define LP873X_DEV_REV_DEV_ID 0xC0
71 #define LP873X_DEV_REV_ALL_LAYER 0x30
72 #define LP873X_DEV_REV_METAL_LAYER 0x0F
74 #define LP873X_OTP_REV_OTP_ID 0xFF
76 #define LP873X_BUCK0_CTRL_1_BUCK0_FPWM BIT(3)
77 #define LP873X_BUCK0_CTRL_1_BUCK0_RDIS_EN BIT(2)
78 #define LP873X_BUCK0_CTRL_1_BUCK0_EN_PIN_CTRL BIT(1)
79 #define LP873X_BUCK0_CTRL_1_BUCK0_EN BIT(0)
81 #define LP873X_BUCK0_CTRL_2_BUCK0_ILIM 0x38
82 #define LP873X_BUCK0_CTRL_2_BUCK0_SLEW_RATE 0x07
84 #define LP873X_BUCK1_CTRL_1_BUCK1_FPWM BIT(3)
85 #define LP873X_BUCK1_CTRL_1_BUCK1_RDIS_EN BIT(2)
86 #define LP873X_BUCK1_CTRL_1_BUCK1_EN_PIN_CTRL BIT(1)
87 #define LP873X_BUCK1_CTRL_1_BUCK1_EN BIT(0)
89 #define LP873X_BUCK1_CTRL_2_BUCK1_ILIM 0x38
90 #define LP873X_BUCK1_CTRL_2_BUCK1_SLEW_RATE 0x07
92 #define LP873X_BUCK0_VOUT_BUCK0_VSET 0xFF
94 #define LP873X_BUCK1_VOUT_BUCK1_VSET 0xFF
96 #define LP873X_LDO0_CTRL_LDO0_RDIS_EN BIT(2)
97 #define LP873X_LDO0_CTRL_LDO0_EN_PIN_CTRL BIT(1)
98 #define LP873X_LDO0_CTRL_LDO0_EN BIT(0)
100 #define LP873X_LDO1_CTRL_LDO1_RDIS_EN BIT(2)
101 #define LP873X_LDO1_CTRL_LDO1_EN_PIN_CTRL BIT(1)
102 #define LP873X_LDO1_CTRL_LDO1_EN BIT(0)
104 #define LP873X_LDO0_VOUT_LDO0_VSET 0x1F
106 #define LP873X_LDO1_VOUT_LDO1_VSET 0x1F
108 #define LP873X_BUCK0_DELAY_BUCK0_SD_DELAY 0xF0
109 #define LP873X_BUCK0_DELAY_BUCK0_SU_DELAY 0x0F
111 #define LP873X_BUCK1_DELAY_BUCK1_SD_DELAY 0xF0
112 #define LP873X_BUCK1_DELAY_BUCK1_SU_DELAY 0x0F
114 #define LP873X_LDO0_DELAY_LDO0_SD_DELAY 0xF0
115 #define LP873X_LDO0_DELAY_LDO0_SU_DELAY 0x0F
117 #define LP873X_LDO1_DELAY_LDO1_SD_DELAY 0xF0
118 #define LP873X_LDO1_DELAY_LDO1_SU_DELAY 0x0F
120 #define LP873X_GPO_DELAY_GPO_SD_DELAY 0xF0
121 #define LP873X_GPO_DELAY_GPO_SU_DELAY 0x0F
123 #define LP873X_GPO2_DELAY_GPO2_SD_DELAY 0xF0
124 #define LP873X_GPO2_DELAY_GPO2_SU_DELAY 0x0F
126 #define LP873X_GPO_CTRL_GPO2_OD BIT(6)
127 #define LP873X_GPO_CTRL_GPO2_EN_PIN_CTRL BIT(5)
128 #define LP873X_GPO_CTRL_GPO2_EN BIT(4)
129 #define LP873X_GPO_CTRL_GPO_OD BIT(2)
130 #define LP873X_GPO_CTRL_GPO_EN_PIN_CTRL BIT(1)
131 #define LP873X_GPO_CTRL_GPO_EN BIT(0)
133 #define LP873X_CONFIG_SU_DELAY_SEL BIT(6)
134 #define LP873X_CONFIG_SD_DELAY_SEL BIT(5)
135 #define LP873X_CONFIG_CLKIN_PIN_SEL BIT(4)
136 #define LP873X_CONFIG_CLKIN_PD BIT(3)
137 #define LP873X_CONFIG_EN_PD BIT(2)
138 #define LP873X_CONFIG_TDIE_WARN_LEVEL BIT(1)
139 #define LP873X_EN_SPREAD_SPEC BIT(0)
141 #define LP873X_PLL_CTRL_EN_PLL BIT(6)
142 #define LP873X_EXT_CLK_FREQ 0x1F
144 #define LP873X_PGOOD_CTRL1_PGOOD_POL BIT(7)
145 #define LP873X_PGOOD_CTRL1_PGOOD_OD BIT(6)
146 #define LP873X_PGOOD_CTRL1_PGOOD_WINDOW_LDO BIT(5)
147 #define LP873X_PGOOD_CTRL1_PGOOD_WINDOWN_BUCK BIT(4)
148 #define LP873X_PGOOD_CTRL1_PGOOD_EN_PGOOD_LDO1 BIT(3)
149 #define LP873X_PGOOD_CTRL1_PGOOD_EN_PGOOD_LDO0 BIT(2)
150 #define LP873X_PGOOD_CTRL1_PGOOD_EN_PGOOD_BUCK1 BIT(1)
151 #define LP873X_PGOOD_CTRL1_PGOOD_EN_PGOOD_BUCK0 BIT(0)
153 #define LP873X_PGOOD_CTRL2_EN_PGOOD_TWARN BIT(2)
154 #define LP873X_PGOOD_CTRL2_EN_PG_FAULT_GATE BIT(1)
155 #define LP873X_PGOOD_CTRL2_PGOOD_MODE BIT(0)
157 #define LP873X_PG_FAULT_PG_FAULT_LDO1 BIT(3)
158 #define LP873X_PG_FAULT_PG_FAULT_LDO0 BIT(2)
159 #define LP873X_PG_FAULT_PG_FAULT_BUCK1 BIT(1)
160 #define LP873X_PG_FAULT_PG_FAULT_BUCK0 BIT(0)
162 #define LP873X_RESET_SW_RESET BIT(0)
164 #define LP873X_INT_TOP_1_PGOOD_INT BIT(7)
165 #define LP873X_INT_TOP_1_LDO_INT BIT(6)
166 #define LP873X_INT_TOP_1_BUCK_INT BIT(5)
167 #define LP873X_INT_TOP_1_SYNC_CLK_INT BIT(4)
168 #define LP873X_INT_TOP_1_TDIE_SD_INT BIT(3)
169 #define LP873X_INT_TOP_1_TDIE_WARN_INT BIT(2)
170 #define LP873X_INT_TOP_1_OVP_INT BIT(1)
171 #define LP873X_INT_TOP_1_I_MEAS_INT BIT(0)
173 #define LP873X_INT_TOP_2_RESET_REG_INT BIT(0)
175 #define LP873X_INT_BUCK_BUCK1_PG_INT BIT(6)
176 #define LP873X_INT_BUCK_BUCK1_SC_INT BIT(5)
177 #define LP873X_INT_BUCK_BUCK1_ILIM_INT BIT(4)
178 #define LP873X_INT_BUCK_BUCK0_PG_INT BIT(2)
179 #define LP873X_INT_BUCK_BUCK0_SC_INT BIT(1)
180 #define LP873X_INT_BUCK_BUCK0_ILIM_INT BIT(0)
182 #define LP873X_INT_LDO_LDO1_PG_INT BIT(6)
183 #define LP873X_INT_LDO_LDO1_SC_INT BIT(5)
184 #define LP873X_INT_LDO_LDO1_ILIM_INT BIT(4)
185 #define LP873X_INT_LDO_LDO0_PG_INT BIT(2)
186 #define LP873X_INT_LDO_LDO0_SC_INT BIT(1)
187 #define LP873X_INT_LDO_LDO0_ILIM_INT BIT(0)
189 #define LP873X_TOP_STAT_PGOOD_STAT BIT(7)
190 #define LP873X_TOP_STAT_SYNC_CLK_STAT BIT(4)
191 #define LP873X_TOP_STAT_TDIE_SD_STAT BIT(3)
192 #define LP873X_TOP_STAT_TDIE_WARN_STAT BIT(2)
193 #define LP873X_TOP_STAT_OVP_STAT BIT(1)
195 #define LP873X_BUCK_STAT_BUCK1_STAT BIT(7)
196 #define LP873X_BUCK_STAT_BUCK1_PG_STAT BIT(6)
197 #define LP873X_BUCK_STAT_BUCK1_ILIM_STAT BIT(4)
198 #define LP873X_BUCK_STAT_BUCK0_STAT BIT(3)
199 #define LP873X_BUCK_STAT_BUCK0_PG_STAT BIT(2)
200 #define LP873X_BUCK_STAT_BUCK0_ILIM_STAT BIT(0)
202 #define LP873X_LDO_STAT_LDO1_STAT BIT(7)
203 #define LP873X_LDO_STAT_LDO1_PG_STAT BIT(6)
204 #define LP873X_LDO_STAT_LDO1_ILIM_STAT BIT(4)
205 #define LP873X_LDO_STAT_LDO0_STAT BIT(3)
206 #define LP873X_LDO_STAT_LDO0_PG_STAT BIT(2)
207 #define LP873X_LDO_STAT_LDO0_ILIM_STAT BIT(0)
209 #define LP873X_TOP_MASK_1_PGOOD_INT_MASK BIT(7)
210 #define LP873X_TOP_MASK_1_SYNC_CLK_MASK BIT(4)
211 #define LP873X_TOP_MASK_1_TDIE_WARN_MASK BIT(2)
212 #define LP873X_TOP_MASK_1_I_MEAS_MASK BIT(0)
214 #define LP873X_TOP_MASK_2_RESET_REG_MASK BIT(0)
216 #define LP873X_BUCK_MASK_BUCK1_PGF_MASK BIT(7)
217 #define LP873X_BUCK_MASK_BUCK1_PGR_MASK BIT(6)
218 #define LP873X_BUCK_MASK_BUCK1_ILIM_MASK BIT(4)
219 #define LP873X_BUCK_MASK_BUCK0_PGF_MASK BIT(3)
220 #define LP873X_BUCK_MASK_BUCK0_PGR_MASK BIT(2)
221 #define LP873X_BUCK_MASK_BUCK0_ILIM_MASK BIT(0)
223 #define LP873X_LDO_MASK_LDO1_PGF_MASK BIT(7)
224 #define LP873X_LDO_MASK_LDO1_PGR_MASK BIT(6)
225 #define LP873X_LDO_MASK_LDO1_ILIM_MASK BIT(4)
226 #define LP873X_LDO_MASK_LDO0_PGF_MASK BIT(3)
227 #define LP873X_LDO_MASK_LDO0_PGR_MASK BIT(2)
228 #define LP873X_LDO_MASK_LDO0_ILIM_MASK BIT(0)
230 #define LP873X_SEL_I_LOAD_CURRENT_BUCK_SELECT BIT(0)
232 #define LP873X_I_LOAD_2_BUCK_LOAD_CURRENT BIT(0)
234 #define LP873X_I_LOAD_1_BUCK_LOAD_CURRENT 0xFF
236 #define LP873X_MAX_REG_ID LP873X_LDO_1
238 /* Number of step-down converters available */
239 #define LP873X_NUM_BUCK 2
240 /* Number of LDO voltage regulators available */
241 #define LP873X_NUM_LDO 2
242 /* Number of total regulators available */
243 #define LP873X_NUM_REGULATOR (LP873X_NUM_BUCK + LP873X_NUM_LDO)
245 enum lp873x_regulator_id {
255 * struct lp873x - state holder for the lp873x driver
256 * @dev: struct device pointer for MFD device
257 * @rev: revision of the lp873x
258 * @lock: lock guarding the data structure
259 * @regmap: register map of the lp873x PMIC
261 * Device data may be used to access the LP873X chip
266 struct regmap *regmap;
268 #endif /* __LINUX_MFD_LP873X_H */