LXR linux/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 */
  29enum {
  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 */
  49enum {
  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
  86struct gpio_desc;
  87
  88struct tps65090 {
  89        struct device           *dev;
  90        struct regmap           *rmap;
  91        struct regmap_irq_chip_data *irq_data;
  92};
  93
  94/*
  95 * struct tps65090_regulator_plat_data
  96 *
  97 * @reg_init_data: The regulator init data.
  98 * @enable_ext_control: Enable extrenal control or not. Only available for
  99 *     DCDC1, DCDC2 and DCDC3.
 100 * @gpiod: Gpio descriptor if external control is enabled and controlled through
 101 *     gpio
 102 * @overcurrent_wait_valid: True if the overcurrent_wait should be applied.
 103 * @overcurrent_wait: Value to set as the overcurrent wait time.  This is the
 104 *     actual bitfield value, not a time in ms (valid value are 0 - 3).
 105 */
 106struct tps65090_regulator_plat_data {
 107        struct regulator_init_data *reg_init_data;
 108        bool enable_ext_control;
 109        struct gpio_desc *gpiod;
 110        bool overcurrent_wait_valid;
 111        int overcurrent_wait;
 112};
 113
 114struct tps65090_platform_data {
 115        int irq_base;
 116
 117        char **supplied_to;
 118        size_t num_supplicants;
 119        int enable_low_current_chrg;
 120
 121        struct tps65090_regulator_plat_data *reg_pdata[TPS65090_REGULATOR_MAX];
 122};
 123
 124/*
 125 * NOTE: the functions below are not intended for use outside
 126 * of the TPS65090 sub-device drivers
 127 */
 128static inline int tps65090_write(struct device *dev, int reg, uint8_t val)
 129{
 130        struct tps65090 *tps = dev_get_drvdata(dev);
 131
 132        return regmap_write(tps->rmap, reg, val);
 133}
 134
 135static inline int tps65090_read(struct device *dev, int reg, uint8_t *val)
 136{
 137        struct tps65090 *tps = dev_get_drvdata(dev);
 138        unsigned int temp_val;
 139        int ret;
 140
 141        ret = regmap_read(tps->rmap, reg, &temp_val);
 142        if (!ret)
 143                *val = temp_val;
 144        return ret;
 145}
 146
 147static inline int tps65090_set_bits(struct device *dev, int reg,
 148                uint8_t bit_num)
 149{
 150        struct tps65090 *tps = dev_get_drvdata(dev);
 151
 152        return regmap_update_bits(tps->rmap, reg, BIT(bit_num), ~0u);
 153}
 154
 155static inline int tps65090_clr_bits(struct device *dev, int reg,
 156                uint8_t bit_num)
 157{
 158        struct tps65090 *tps = dev_get_drvdata(dev);
 159
 160        return regmap_update_bits(tps->rmap, reg, BIT(bit_num), 0u);
 161}
 162
 163#endif /*__LINUX_MFD_TPS65090_H */
 164