mirror of
https://github.com/torvalds/linux.git
synced 2024-11-26 14:12:06 +00:00
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/*
|
|
* 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);
|
|
}
|
|
|
|
struct regulator_dev *of_find_regulator_by_node(struct device_node *np);
|
|
|
|
#ifdef CONFIG_OF
|
|
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);
|
|
#else
|
|
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;
|
|
}
|
|
#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
|