linux/include/linux/mfd/tps65090.h
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   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