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[karo-tx-linux.git] / include / linux / mfd / tps65090.h
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_VAC_STATUS_CHANGE,
31         TPS65090_IRQ_VSYS_STATUS_CHANGE,
32         TPS65090_IRQ_BAT_STATUS_CHANGE,
33         TPS65090_IRQ_CHARGING_STATUS_CHANGE,
34         TPS65090_IRQ_CHARGING_COMPLETE,
35         TPS65090_IRQ_OVERLOAD_DCDC1,
36         TPS65090_IRQ_OVERLOAD_DCDC2,
37         TPS65090_IRQ_OVERLOAD_DCDC3,
38         TPS65090_IRQ_OVERLOAD_FET1,
39         TPS65090_IRQ_OVERLOAD_FET2,
40         TPS65090_IRQ_OVERLOAD_FET3,
41         TPS65090_IRQ_OVERLOAD_FET4,
42         TPS65090_IRQ_OVERLOAD_FET5,
43         TPS65090_IRQ_OVERLOAD_FET6,
44         TPS65090_IRQ_OVERLOAD_FET7,
45 };
46
47 /* TPS65090 Regulator ID */
48 enum {
49         TPS65090_REGULATOR_DCDC1,
50         TPS65090_REGULATOR_DCDC2,
51         TPS65090_REGULATOR_DCDC3,
52         TPS65090_REGULATOR_FET1,
53         TPS65090_REGULATOR_FET2,
54         TPS65090_REGULATOR_FET3,
55         TPS65090_REGULATOR_FET4,
56         TPS65090_REGULATOR_FET5,
57         TPS65090_REGULATOR_FET6,
58         TPS65090_REGULATOR_FET7,
59         TPS65090_REGULATOR_LDO1,
60         TPS65090_REGULATOR_LDO2,
61
62         /* Last entry for maximum ID */
63         TPS65090_REGULATOR_MAX,
64 };
65
66 struct tps65090 {
67         struct device           *dev;
68         struct regmap           *rmap;
69         struct regmap_irq_chip_data *irq_data;
70 };
71
72 /*
73  * struct tps65090_regulator_plat_data
74  *
75  * @reg_init_data: The regulator init data.
76  * @enable_ext_control: Enable extrenal control or not. Only available for
77  *     DCDC1, DCDC2 and DCDC3.
78  * @gpio: Gpio number if external control is enabled and controlled through
79  *     gpio.
80  */
81 struct tps65090_regulator_plat_data {
82         struct regulator_init_data *reg_init_data;
83         bool enable_ext_control;
84         int gpio;
85 };
86
87 struct tps65090_platform_data {
88         int irq_base;
89         struct tps65090_regulator_plat_data *reg_pdata[TPS65090_REGULATOR_MAX];
90 };
91
92 /*
93  * NOTE: the functions below are not intended for use outside
94  * of the TPS65090 sub-device drivers
95  */
96 static inline int tps65090_write(struct device *dev, int reg, uint8_t val)
97 {
98         struct tps65090 *tps = dev_get_drvdata(dev);
99
100         return regmap_write(tps->rmap, reg, val);
101 }
102
103 static inline int tps65090_read(struct device *dev, int reg, uint8_t *val)
104 {
105         struct tps65090 *tps = dev_get_drvdata(dev);
106         unsigned int temp_val;
107         int ret;
108
109         ret = regmap_read(tps->rmap, reg, &temp_val);
110         if (!ret)
111                 *val = temp_val;
112         return ret;
113 }
114
115 static inline int tps65090_set_bits(struct device *dev, int reg,
116                 uint8_t bit_num)
117 {
118         struct tps65090 *tps = dev_get_drvdata(dev);
119
120         return regmap_update_bits(tps->rmap, reg, BIT(bit_num), ~0u);
121 }
122
123 static inline int tps65090_clr_bits(struct device *dev, int reg,
124                 uint8_t bit_num)
125 {
126         struct tps65090 *tps = dev_get_drvdata(dev);
127
128         return regmap_update_bits(tps->rmap, reg, BIT(bit_num), 0u);
129 }
130
131 #endif /*__LINUX_MFD_TPS65090_H */