tps65090.h

  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 */