include/linux/mfd/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 */
  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 */