include/linux/mfd/tps65090.h

   1 /*
   2  * Core driver interface for TI TPS65090 PMIC family
   3  *
   4  * Copyright (C) 2012 NVIDIA Corporation
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  *
  20  */
  21
  22 #ifndef __LINUX_MFD_TPS65090_H
  23 #define __LINUX_MFD_TPS65090_H
  24
  25 #include <linux/irq.h>
  26 #include <linux/regmap.h>
  27
  28 /* TPS65090 IRQs */
  29 enum {
  30         TPS65090_IRQ_INTERRUPT,
  31         TPS65090_IRQ_VAC_STATUS_CHANGE,
  32         TPS65090_IRQ_VSYS_STATUS_CHANGE,
  33         TPS65090_IRQ_BAT_STATUS_CHANGE,
  34         TPS65090_IRQ_CHARGING_STATUS_CHANGE,
  35         TPS65090_IRQ_CHARGING_COMPLETE,
  36         TPS65090_IRQ_OVERLOAD_DCDC1,
  37         TPS65090_IRQ_OVERLOAD_DCDC2,
  38         TPS65090_IRQ_OVERLOAD_DCDC3,
  39         TPS65090_IRQ_OVERLOAD_FET1,
  40         TPS65090_IRQ_OVERLOAD_FET2,
  41         TPS65090_IRQ_OVERLOAD_FET3,
  42         TPS65090_IRQ_OVERLOAD_FET4,
  43         TPS65090_IRQ_OVERLOAD_FET5,
  44         TPS65090_IRQ_OVERLOAD_FET6,
  45         TPS65090_IRQ_OVERLOAD_FET7,
  46 };
  47
  48 /* TPS65090 Regulator ID */
  49 enum {
  50         TPS65090_REGULATOR_DCDC1,
  51         TPS65090_REGULATOR_DCDC2,
  52         TPS65090_REGULATOR_DCDC3,
  53         TPS65090_REGULATOR_FET1,
  54         TPS65090_REGULATOR_FET2,
  55         TPS65090_REGULATOR_FET3,
  56         TPS65090_REGULATOR_FET4,
  57         TPS65090_REGULATOR_FET5,
  58         TPS65090_REGULATOR_FET6,
  59         TPS65090_REGULATOR_FET7,
  60         TPS65090_REGULATOR_LDO1,
  61         TPS65090_REGULATOR_LDO2,
  62
  63         /* Last entry for maximum ID */
  64         TPS65090_REGULATOR_MAX,
  65 };
  66
  67 /* Register addresses */
  68 #define TPS65090_REG_INTR_STS   0x00
  69 #define TPS65090_REG_INTR_STS2  0x01
  70 #define TPS65090_REG_INTR_MASK  0x02
  71 #define TPS65090_REG_INTR_MASK2 0x03
  72 #define TPS65090_REG_CG_CTRL0   0x04
  73 #define TPS65090_REG_CG_CTRL1   0x05
  74 #define TPS65090_REG_CG_CTRL2   0x06
  75 #define TPS65090_REG_CG_CTRL3   0x07
  76 #define TPS65090_REG_CG_CTRL4   0x08
  77 #define TPS65090_REG_CG_CTRL5   0x09
  78 #define TPS65090_REG_CG_STATUS1 0x0a
  79 #define TPS65090_REG_CG_STATUS2 0x0b
  80 #define TPS65090_REG_AD_OUT1    0x17
  81 #define TPS65090_REG_AD_OUT2    0x18
  82
  83 #define TPS65090_MAX_REG        TPS65090_REG_AD_OUT2
  84 #define TPS65090_NUM_REGS       (TPS65090_MAX_REG + 1)
  85
  86 struct tps65090 {
  87         struct device           *dev;
  88         struct regmap           *rmap;
  89         struct regmap_irq_chip_data *irq_data;
  90 };
  91
  92 /*
  93  * struct tps65090_regulator_plat_data
  94  *
  95  * @reg_init_data: The regulator init data.
  96  * @enable_ext_control: Enable extrenal control or not. Only available for
  97  *     DCDC1, DCDC2 and DCDC3.
  98  * @gpio: Gpio number if external control is enabled and controlled through
  99  *     gpio.
 100  * @overcurrent_wait_valid: True if the overcurrent_wait should be applied.
 101  * @overcurrent_wait: Value to set as the overcurrent wait time.  This is the
 102  *     actual bitfield value, not a time in ms (valid value are 0 - 3).
 103  */
 104 struct tps65090_regulator_plat_data {
 105         struct regulator_init_data *reg_init_data;
 106         bool enable_ext_control;
 107         int gpio;
 108         bool overcurrent_wait_valid;
 109         int overcurrent_wait;
 110 };
 111
 112 struct tps65090_platform_data {
 113         int irq_base;
 114
 115         char **supplied_to;
 116         size_t num_supplicants;
 117         int enable_low_current_chrg;
 118
 119         struct tps65090_regulator_plat_data *reg_pdata[TPS65090_REGULATOR_MAX];
 120 };
 121
 122 /*
 123  * NOTE: the functions below are not intended for use outside
 124  * of the TPS65090 sub-device drivers
 125  */
 126 static inline int tps65090_write(struct device *dev, int reg, uint8_t val)
 127 {
 128         struct tps65090 *tps = dev_get_drvdata(dev);
 129
 130         return regmap_write(tps->rmap, reg, val);
 131 }
 132
 133 static inline int tps65090_read(struct device *dev, int reg, uint8_t *val)
 134 {
 135         struct tps65090 *tps = dev_get_drvdata(dev);
 136         unsigned int temp_val;
 137         int ret;
 138
 139         ret = regmap_read(tps->rmap, reg, &temp_val);
 140         if (!ret)
 141                 *val = temp_val;
 142         return ret;
 143 }
 144
 145 static inline int tps65090_set_bits(struct device *dev, int reg,
 146                 uint8_t bit_num)
 147 {
 148         struct tps65090 *tps = dev_get_drvdata(dev);
 149
 150         return regmap_update_bits(tps->rmap, reg, BIT(bit_num), ~0u);
 151 }
 152
 153 static inline int tps65090_clr_bits(struct device *dev, int reg,
 154                 uint8_t bit_num)
 155 {
 156         struct tps65090 *tps = dev_get_drvdata(dev);
 157
 158         return regmap_update_bits(tps->rmap, reg, BIT(bit_num), 0u);
 159 }
 160
 161 #endif /*__LINUX_MFD_TPS65090_H */