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2874c5fd28
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
114 lines
2.5 KiB
C
114 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* internal.h -- Voltage/Current Regulator framework internal code
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*
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* Copyright 2007, 2008 Wolfson Microelectronics PLC.
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* Copyright 2008 SlimLogic Ltd.
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*
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* Author: Liam Girdwood <lrg@slimlogic.co.uk>
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*/
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#ifndef __REGULATOR_INTERNAL_H
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#define __REGULATOR_INTERNAL_H
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#include <linux/suspend.h>
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#define REGULATOR_STATES_NUM (PM_SUSPEND_MAX + 1)
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struct regulator_voltage {
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int min_uV;
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int max_uV;
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};
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/*
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* struct regulator
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*
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* One for each consumer device.
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* @voltage - a voltage array for each state of runtime, i.e.:
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* PM_SUSPEND_ON
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* PM_SUSPEND_TO_IDLE
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* PM_SUSPEND_STANDBY
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* PM_SUSPEND_MEM
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* PM_SUSPEND_MAX
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*/
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struct regulator {
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struct device *dev;
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struct list_head list;
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unsigned int always_on:1;
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unsigned int bypass:1;
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int uA_load;
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unsigned int enable_count;
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unsigned int deferred_disables;
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struct regulator_voltage voltage[REGULATOR_STATES_NUM];
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const char *supply_name;
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struct device_attribute dev_attr;
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struct regulator_dev *rdev;
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struct dentry *debugfs;
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};
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extern struct class regulator_class;
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static inline struct regulator_dev *dev_to_rdev(struct device *dev)
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{
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return container_of(dev, struct regulator_dev, dev);
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}
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#ifdef CONFIG_OF
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struct regulator_dev *of_find_regulator_by_node(struct device_node *np);
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struct regulator_init_data *regulator_of_get_init_data(struct device *dev,
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const struct regulator_desc *desc,
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struct regulator_config *config,
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struct device_node **node);
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struct regulator_dev *of_parse_coupled_regulator(struct regulator_dev *rdev,
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int index);
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int of_get_n_coupled(struct regulator_dev *rdev);
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bool of_check_coupling_data(struct regulator_dev *rdev);
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#else
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static inline struct regulator_dev *
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of_find_regulator_by_node(struct device_node *np)
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{
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return NULL;
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}
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static inline struct regulator_init_data *
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regulator_of_get_init_data(struct device *dev,
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const struct regulator_desc *desc,
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struct regulator_config *config,
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struct device_node **node)
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{
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return NULL;
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}
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static inline struct regulator_dev *
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of_parse_coupled_regulator(struct regulator_dev *rdev,
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int index)
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{
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return NULL;
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}
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static inline int of_get_n_coupled(struct regulator_dev *rdev)
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{
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return 0;
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}
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static inline bool of_check_coupling_data(struct regulator_dev *rdev)
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{
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return false;
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}
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#endif
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enum regulator_get_type {
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NORMAL_GET,
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EXCLUSIVE_GET,
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OPTIONAL_GET,
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MAX_GET_TYPE
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};
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struct regulator *_regulator_get(struct device *dev, const char *id,
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enum regulator_get_type get_type);
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#endif
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