Release 4.18 drivers/regulator/internal.h
/*
* internal.h -- Voltage/Current Regulator framework internal code
*
* Copyright 2007, 2008 Wolfson Microelectronics PLC.
* Copyright 2008 SlimLogic Ltd.
*
* Author: Liam Girdwood <lrg@slimlogic.co.uk>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#ifndef __REGULATOR_INTERNAL_H
#define __REGULATOR_INTERNAL_H
#include <linux/suspend.h>
#define REGULATOR_STATES_NUM (PM_SUSPEND_MAX + 1)
struct regulator_voltage {
int min_uV;
int max_uV;
};
/*
* struct regulator
*
* One for each consumer device.
* @voltage - a voltage array for each state of runtime, i.e.:
* PM_SUSPEND_ON
* PM_SUSPEND_TO_IDLE
* PM_SUSPEND_STANDBY
* PM_SUSPEND_MEM
* PM_SUSPEND_MAX
*/
struct regulator {
struct device *dev;
struct list_head list;
unsigned int always_on:1;
unsigned int bypass:1;
int uA_load;
struct regulator_voltage voltage[REGULATOR_STATES_NUM];
const char *supply_name;
struct device_attribute dev_attr;
struct regulator_dev *rdev;
struct dentry *debugfs;
};
extern struct class regulator_class;
static inline struct regulator_dev *dev_to_rdev(struct device *dev)
{
return container_of(dev, struct regulator_dev, dev);
}
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#ifdef CONFIG_OF
struct regulator_dev *of_find_regulator_by_node(struct device_node *np);
struct regulator_init_data *regulator_of_get_init_data(struct device *dev,
const struct regulator_desc *desc,
struct regulator_config *config,
struct device_node **node);
struct regulator_dev *of_parse_coupled_regulator(struct regulator_dev *rdev,
int index);
int of_get_n_coupled(struct regulator_dev *rdev);
bool of_check_coupling_data(struct regulator_dev *rdev);
#else
static inline struct regulator_dev *
of_find_regulator_by_node(struct device_node *np)
{
return NULL;
}
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static inline struct regulator_init_data *
regulator_of_get_init_data(struct device *dev,
const struct regulator_desc *desc,
struct regulator_config *config,
struct device_node **node)
{
return NULL;
}
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static inline struct regulator_dev *
of_parse_coupled_regulator(struct regulator_dev *rdev,
int index)
{
return NULL;
}
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static inline int of_get_n_coupled(struct regulator_dev *rdev)
{
return 0;
}
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static inline bool of_check_coupling_data(struct regulator_dev *rdev)
{
return false;
}
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#endif
enum regulator_get_type {
NORMAL_GET,
EXCLUSIVE_GET,
OPTIONAL_GET,
MAX_GET_TYPE
};
struct regulator *_regulator_get(struct device *dev, const char *id,
enum regulator_get_type get_type);
#endif
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