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76 lines
2.4 KiB
76 lines
2.4 KiB
/* |
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* fixed.h |
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* |
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* Copyright 2008 Wolfson Microelectronics PLC. |
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* |
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* Author: Mark Brown <broonie@opensource.wolfsonmicro.com> |
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* |
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* Copyright (c) 2009 Nokia Corporation |
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* Roger Quadros <ext-roger.quadros@nokia.com> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of the |
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* License, or (at your option) any later version. |
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*/ |
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#ifndef __REGULATOR_FIXED_H |
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#define __REGULATOR_FIXED_H |
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struct regulator_init_data; |
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/** |
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* struct fixed_voltage_config - fixed_voltage_config structure |
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* @supply_name: Name of the regulator supply |
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* @input_supply: Name of the input regulator supply |
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* @microvolts: Output voltage of regulator |
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* @gpio: GPIO to use for enable control |
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* set to -EINVAL if not used |
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* @startup_delay: Start-up time in microseconds |
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* @gpio_is_open_drain: Gpio pin is open drain or normal type. |
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* If it is open drain type then HIGH will be set |
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* through PULL-UP with setting gpio as input |
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* and low will be set as gpio-output with driven |
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* to low. For non-open-drain case, the gpio will |
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* will be in output and drive to low/high accordingly. |
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* @enable_high: Polarity of enable GPIO |
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* 1 = Active high, 0 = Active low |
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* @enabled_at_boot: Whether regulator has been enabled at |
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* boot or not. 1 = Yes, 0 = No |
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* This is used to keep the regulator at |
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* the default state |
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* @init_data: regulator_init_data |
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* |
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* This structure contains fixed voltage regulator configuration |
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* information that must be passed by platform code to the fixed |
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* voltage regulator driver. |
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*/ |
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struct fixed_voltage_config { |
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const char *supply_name; |
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const char *input_supply; |
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int microvolts; |
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int gpio; |
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unsigned startup_delay; |
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unsigned gpio_is_open_drain:1; |
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unsigned enable_high:1; |
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unsigned enabled_at_boot:1; |
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struct regulator_init_data *init_data; |
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}; |
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struct regulator_consumer_supply; |
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#if IS_ENABLED(CONFIG_REGULATOR) |
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struct platform_device *regulator_register_always_on(int id, const char *name, |
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struct regulator_consumer_supply *supplies, int num_supplies, int uv); |
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#else |
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static inline struct platform_device *regulator_register_always_on(int id, const char *name, |
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struct regulator_consumer_supply *supplies, int num_supplies, int uv) |
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{ |
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return NULL; |
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} |
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#endif |
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#define regulator_register_fixed(id, s, ns) regulator_register_always_on(id, \ |
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"fixed-dummy", s, ns, 0) |
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#endif
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