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 */
15enum {
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 */
35enum {
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
72struct gpio_desc;
73
74struct 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 */
92struct 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
100struct 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 */
114static 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
121static 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
133static 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
141static 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