1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Core driver interface for TI TPS65090 PMIC family
4 *
5 * Copyright (C) 2012 NVIDIA Corporation
6 */
7
8 #ifndef __LINUX_MFD_TPS65090_H
9 #define __LINUX_MFD_TPS65090_H
10
11 #include <linux/irq.h>
12 #include <linux/regmap.h>
13
14 /* TPS65090 IRQs */
15 enum {
16 TPS65090_IRQ_INTERRUPT,
17 TPS65090_IRQ_VAC_STATUS_CHANGE,
18 TPS65090_IRQ_VSYS_STATUS_CHANGE,
19 TPS65090_IRQ_BAT_STATUS_CHANGE,
20 TPS65090_IRQ_CHARGING_STATUS_CHANGE,
21 TPS65090_IRQ_CHARGING_COMPLETE,
22 TPS65090_IRQ_OVERLOAD_DCDC1,
23 TPS65090_IRQ_OVERLOAD_DCDC2,
24 TPS65090_IRQ_OVERLOAD_DCDC3,
25 TPS65090_IRQ_OVERLOAD_FET1,
26 TPS65090_IRQ_OVERLOAD_FET2,
27 TPS65090_IRQ_OVERLOAD_FET3,
28 TPS65090_IRQ_OVERLOAD_FET4,
29 TPS65090_IRQ_OVERLOAD_FET5,
30 TPS65090_IRQ_OVERLOAD_FET6,
31 TPS65090_IRQ_OVERLOAD_FET7,
32 };
33
34 /* TPS65090 Regulator ID */
35 enum {
36 TPS65090_REGULATOR_DCDC1,
37 TPS65090_REGULATOR_DCDC2,
38 TPS65090_REGULATOR_DCDC3,
39 TPS65090_REGULATOR_FET1,
40 TPS65090_REGULATOR_FET2,
41 TPS65090_REGULATOR_FET3,
42 TPS65090_REGULATOR_FET4,
43 TPS65090_REGULATOR_FET5,
44 TPS65090_REGULATOR_FET6,
45 TPS65090_REGULATOR_FET7,
46 TPS65090_REGULATOR_LDO1,
47 TPS65090_REGULATOR_LDO2,
48
49 /* Last entry for maximum ID */
50 TPS65090_REGULATOR_MAX,
51 };
52
53 /* Register addresses */
54 #define TPS65090_REG_INTR_STS 0x00
55 #define TPS65090_REG_INTR_STS2 0x01
56 #define TPS65090_REG_INTR_MASK 0x02
57 #define TPS65090_REG_INTR_MASK2 0x03
58 #define TPS65090_REG_CG_CTRL0 0x04
59 #define TPS65090_REG_CG_CTRL1 0x05
60 #define TPS65090_REG_CG_CTRL2 0x06
61 #define TPS65090_REG_CG_CTRL3 0x07
62 #define TPS65090_REG_CG_CTRL4 0x08
63 #define TPS65090_REG_CG_CTRL5 0x09
64 #define TPS65090_REG_CG_STATUS1 0x0a
65 #define TPS65090_REG_CG_STATUS2 0x0b
66 #define TPS65090_REG_AD_OUT1 0x17
67 #define TPS65090_REG_AD_OUT2 0x18
68
69 #define TPS65090_MAX_REG TPS65090_REG_AD_OUT2
70 #define TPS65090_NUM_REGS (TPS65090_MAX_REG + 1)
71
72 struct gpio_desc;
73
74 struct tps65090 {
75 struct device *dev;
76 struct regmap *rmap;
77 struct regmap_irq_chip_data *irq_data;
78 };
79
80 /*
81 * struct tps65090_regulator_plat_data
82 *
83 * @reg_init_data: The regulator init data.
84 * @enable_ext_control: Enable extrenal control or not. Only available for
85 * DCDC1, DCDC2 and DCDC3.
86 * @gpiod: Gpio descriptor if external control is enabled and controlled through
87 * gpio
88 * @overcurrent_wait_valid: True if the overcurrent_wait should be applied.
89 * @overcurrent_wait: Value to set as the overcurrent wait time. This is the
90 * actual bitfield value, not a time in ms (valid value are 0 - 3).
91 */
92 struct tps65090_regulator_plat_data {
93 struct regulator_init_data *reg_init_data;
94 bool enable_ext_control;
95 struct gpio_desc *gpiod;
96 bool overcurrent_wait_valid;
97 int overcurrent_wait;
98 };
99
100 struct tps65090_platform_data {
101 int irq_base;
102
103 char **supplied_to;
104 size_t num_supplicants;
105 int enable_low_current_chrg;
106
107 struct tps65090_regulator_plat_data *reg_pdata[TPS65090_REGULATOR_MAX];
108 };
109
110 /*
111 * NOTE: the functions below are not intended for use outside
112 * of the TPS65090 sub-device drivers
113 */
114 static inline int tps65090_write(struct device *dev, int reg, uint8_t val)
115 {
116 struct tps65090 *tps = dev_get_drvdata(dev);
117
118 return regmap_write(tps->rmap, reg, val);
119 }
120
121 static inline int tps65090_read(struct device *dev, int reg, uint8_t *val)
122 {
123 struct tps65090 *tps = dev_get_drvdata(dev);
124 unsigned int temp_val;
125 int ret;
126
127 ret = regmap_read(tps->rmap, reg, &temp_val);
128 if (!ret)
129 *val = temp_val;
130 return ret;
131 }
132
133 static inline int tps65090_set_bits(struct device *dev, int reg,
134 uint8_t bit_num)
135 {
136 struct tps65090 *tps = dev_get_drvdata(dev);
137
138 return regmap_update_bits(tps->rmap, reg, BIT(bit_num), ~0u);
139 }
140
141 static inline int tps65090_clr_bits(struct device *dev, int reg,
142 uint8_t bit_num)
143 {
144 struct tps65090 *tps = dev_get_drvdata(dev);
145
146 return regmap_update_bits(tps->rmap, reg, BIT(bit_num), 0u);
147 }
148
149 #endif /*__LINUX_MFD_TPS65090_H */
150
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