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 struct tps65090 {
  68         struct device           *dev;
  69         struct regmap           *rmap;
  70         struct regmap_irq_chip_data *irq_data;
  71 };
  72
  73 /*
  74  * struct tps65090_regulator_plat_data
  75  *
  76  * @reg_init_data: The regulator init data.
  77  * @enable_ext_control: Enable extrenal control or not. Only available for
  78  *     DCDC1, DCDC2 and DCDC3.
  79  * @gpio: Gpio number if external control is enabled and controlled through
  80  *     gpio.
  81  */
  82 struct tps65090_regulator_plat_data {
  83         struct regulator_init_data *reg_init_data;
  84         bool enable_ext_control;
  85         int gpio;
  86 };
  87
  88 struct tps65090_platform_data {
  89         int irq_base;
  90
  91         char **supplied_to;
  92         size_t num_supplicants;
  93         int enable_low_current_chrg;
  94
  95         struct tps65090_regulator_plat_data *reg_pdata[TPS65090_REGULATOR_MAX];
  96 };
  97
  98 /*
  99  * NOTE: the functions below are not intended for use outside
 100  * of the TPS65090 sub-device drivers
 101  */
 102 static inline int tps65090_write(struct device *dev, int reg, uint8_t val)
 103 {
 104         struct tps65090 *tps = dev_get_drvdata(dev);
 105
 106         return regmap_write(tps->rmap, reg, val);
 107 }
 108
 109 static inline int tps65090_read(struct device *dev, int reg, uint8_t *val)
 110 {
 111         struct tps65090 *tps = dev_get_drvdata(dev);
 112         unsigned int temp_val;
 113         int ret;
 114
 115         ret = regmap_read(tps->rmap, reg, &temp_val);
 116         if (!ret)
 117                 *val = temp_val;
 118         return ret;
 119 }
 120
 121 static inline int tps65090_set_bits(struct device *dev, int reg,
 122                 uint8_t bit_num)
 123 {
 124         struct tps65090 *tps = dev_get_drvdata(dev);
 125
 126         return regmap_update_bits(tps->rmap, reg, BIT(bit_num), ~0u);
 127 }
 128
 129 static inline int tps65090_clr_bits(struct device *dev, int reg,
 130                 uint8_t bit_num)
 131 {
 132         struct tps65090 *tps = dev_get_drvdata(dev);
 133
 134         return regmap_update_bits(tps->rmap, reg, BIT(bit_num), 0u);
 135 }
 136
 137 #endif /*__LINUX_MFD_TPS65090_H */