Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * fixed.h
3 *
4 * Copyright 2008 Wolfson Microelectronics PLC.
5 *
6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7 *
8 * Copyright (c) 2009 Nokia Corporation
9 * Roger Quadros <ext-roger.quadros@nokia.com>
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of the
14 * License, or (at your option) any later version.
15 */
16
17#ifndef __REGULATOR_FIXED_H
18#define __REGULATOR_FIXED_H
19
20struct regulator_init_data;
21
22/**
23 * struct fixed_voltage_config - fixed_voltage_config structure
24 * @supply_name: Name of the regulator supply
25 * @input_supply: Name of the input regulator supply
26 * @microvolts: Output voltage of regulator
27 * @startup_delay: Start-up time in microseconds
28 * @gpio_is_open_drain: Gpio pin is open drain or normal type.
29 * If it is open drain type then HIGH will be set
30 * through PULL-UP with setting gpio as input
31 * and low will be set as gpio-output with driven
32 * to low. For non-open-drain case, the gpio will
33 * will be in output and drive to low/high accordingly.
34 * @enable_high: Polarity of enable GPIO
35 * 1 = Active high, 0 = Active low
36 * @enabled_at_boot: Whether regulator has been enabled at
37 * boot or not. 1 = Yes, 0 = No
38 * This is used to keep the regulator at
39 * the default state
40 * @init_data: regulator_init_data
41 *
42 * This structure contains fixed voltage regulator configuration
43 * information that must be passed by platform code to the fixed
44 * voltage regulator driver.
45 */
46struct fixed_voltage_config {
47 const char *supply_name;
48 const char *input_supply;
49 int microvolts;
50 unsigned startup_delay;
51 unsigned gpio_is_open_drain:1;
52 unsigned enable_high:1;
53 unsigned enabled_at_boot:1;
54 struct regulator_init_data *init_data;
55};
56
57struct regulator_consumer_supply;
58
59#if IS_ENABLED(CONFIG_REGULATOR)
60struct platform_device *regulator_register_always_on(int id, const char *name,
61 struct regulator_consumer_supply *supplies, int num_supplies, int uv);
62#else
63static inline struct platform_device *regulator_register_always_on(int id, const char *name,
64 struct regulator_consumer_supply *supplies, int num_supplies, int uv)
65{
66 return NULL;
67}
68#endif
69
70#define regulator_register_fixed(id, s, ns) regulator_register_always_on(id, \
71 "fixed-dummy", s, ns, 0)
72
73#endif