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  */
tps65090_write(struct device * dev,int reg,uint8_t val)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 
tps65090_read(struct device * dev,int reg,uint8_t * val)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 
tps65090_set_bits(struct device * dev,int reg,uint8_t bit_num)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 
tps65090_clr_bits(struct device * dev,int reg,uint8_t bit_num)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