1 /*
2 * Core driver interface for TI TPS65090 PMIC family
3 *
4 * Copyright (C) 2012 NVIDIA Corporation
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 *
20 */
21
22 #ifndef __LINUX_MFD_TPS65090_H
23 #define __LINUX_MFD_TPS65090_H
24
25 #include <linux/irq.h>
26 #include <linux/regmap.h>
27
28 /* TPS65090 IRQs */
29 enum {
30 TPS65090_IRQ_INTERRUPT,
31 TPS65090_IRQ_VAC_STATUS_CHANGE,
32 TPS65090_IRQ_VSYS_STATUS_CHANGE,
33 TPS65090_IRQ_BAT_STATUS_CHANGE,
34 TPS65090_IRQ_CHARGING_STATUS_CHANGE,
35 TPS65090_IRQ_CHARGING_COMPLETE,
36 TPS65090_IRQ_OVERLOAD_DCDC1,
37 TPS65090_IRQ_OVERLOAD_DCDC2,
38 TPS65090_IRQ_OVERLOAD_DCDC3,
39 TPS65090_IRQ_OVERLOAD_FET1,
40 TPS65090_IRQ_OVERLOAD_FET2,
41 TPS65090_IRQ_OVERLOAD_FET3,
42 TPS65090_IRQ_OVERLOAD_FET4,
43 TPS65090_IRQ_OVERLOAD_FET5,
44 TPS65090_IRQ_OVERLOAD_FET6,
45 TPS65090_IRQ_OVERLOAD_FET7,
46 };
47
48 /* TPS65090 Regulator ID */
49 enum {
50 TPS65090_REGULATOR_DCDC1,
51 TPS65090_REGULATOR_DCDC2,
52 TPS65090_REGULATOR_DCDC3,
53 TPS65090_REGULATOR_FET1,
54 TPS65090_REGULATOR_FET2,
55 TPS65090_REGULATOR_FET3,
56 TPS65090_REGULATOR_FET4,
57 TPS65090_REGULATOR_FET5,
58 TPS65090_REGULATOR_FET6,
59 TPS65090_REGULATOR_FET7,
60 TPS65090_REGULATOR_LDO1,
61 TPS65090_REGULATOR_LDO2,
62
63 /* Last entry for maximum ID */
64 TPS65090_REGULATOR_MAX,
65 };
66
67 /* Register addresses */
68 #define TPS65090_REG_INTR_STS 0x00
69 #define TPS65090_REG_INTR_STS2 0x01
70 #define TPS65090_REG_INTR_MASK 0x02
71 #define TPS65090_REG_INTR_MASK2 0x03
72 #define TPS65090_REG_CG_CTRL0 0x04
73 #define TPS65090_REG_CG_CTRL1 0x05
74 #define TPS65090_REG_CG_CTRL2 0x06
75 #define TPS65090_REG_CG_CTRL3 0x07
76 #define TPS65090_REG_CG_CTRL4 0x08
77 #define TPS65090_REG_CG_CTRL5 0x09
78 #define TPS65090_REG_CG_STATUS1 0x0a
79 #define TPS65090_REG_CG_STATUS2 0x0b
80
81 struct tps65090 {
82 struct device *dev;
83 struct regmap *rmap;
84 struct regmap_irq_chip_data *irq_data;
85 };
86
87 /*
88 * struct tps65090_regulator_plat_data
89 *
90 * @reg_init_data: The regulator init data.
91 * @enable_ext_control: Enable extrenal control or not. Only available for
92 * DCDC1, DCDC2 and DCDC3.
93 * @gpio: Gpio number if external control is enabled and controlled through
94 * gpio.
95 * @overcurrent_wait_valid: True if the overcurrent_wait should be applied.
96 * @overcurrent_wait: Value to set as the overcurrent wait time. This is the
97 * actual bitfield value, not a time in ms (valid value are 0 - 3).
98 */
99 struct tps65090_regulator_plat_data {
100 struct regulator_init_data *reg_init_data;
101 bool enable_ext_control;
102 int gpio;
103 bool overcurrent_wait_valid;
104 int overcurrent_wait;
105 };
106
107 struct tps65090_platform_data {
108 int irq_base;
109
110 char **supplied_to;
111 size_t num_supplicants;
112 int enable_low_current_chrg;
113
114 struct tps65090_regulator_plat_data *reg_pdata[TPS65090_REGULATOR_MAX];
115 };
116
117 /*
118 * NOTE: the functions below are not intended for use outside
119 * of the TPS65090 sub-device drivers
120 */
tps65090_write(struct device * dev,int reg,uint8_t val)121 static inline int tps65090_write(struct device *dev, int reg, uint8_t val)
122 {
123 struct tps65090 *tps = dev_get_drvdata(dev);
124
125 return regmap_write(tps->rmap, reg, val);
126 }
127
tps65090_read(struct device * dev,int reg,uint8_t * val)128 static inline int tps65090_read(struct device *dev, int reg, uint8_t *val)
129 {
130 struct tps65090 *tps = dev_get_drvdata(dev);
131 unsigned int temp_val;
132 int ret;
133
134 ret = regmap_read(tps->rmap, reg, &temp_val);
135 if (!ret)
136 *val = temp_val;
137 return ret;
138 }
139
tps65090_set_bits(struct device * dev,int reg,uint8_t bit_num)140 static inline int tps65090_set_bits(struct device *dev, int reg,
141 uint8_t bit_num)
142 {
143 struct tps65090 *tps = dev_get_drvdata(dev);
144
145 return regmap_update_bits(tps->rmap, reg, BIT(bit_num), ~0u);
146 }
147
tps65090_clr_bits(struct device * dev,int reg,uint8_t bit_num)148 static inline int tps65090_clr_bits(struct device *dev, int reg,
149 uint8_t bit_num)
150 {
151 struct tps65090 *tps = dev_get_drvdata(dev);
152
153 return regmap_update_bits(tps->rmap, reg, BIT(bit_num), 0u);
154 }
155
156 #endif /*__LINUX_MFD_TPS65090_H */
157