mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-30 08:02:30 +00:00
af873fcece
Based on 1 normalized pattern(s): license terms gnu general public license gpl version 2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 161 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528170027.447718015@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
113 lines
3.1 KiB
C
113 lines
3.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Driver for TPS61050/61052 boost converters, typically used for white LEDs
|
|
* or audio amplifiers.
|
|
*
|
|
* Copyright (C) 2011 ST-Ericsson SA
|
|
* Written on behalf of Linaro for ST-Ericsson
|
|
*
|
|
* Author: Linus Walleij <linus.walleij@linaro.org>
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/err.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/regulator/driver.h>
|
|
#include <linux/mfd/core.h>
|
|
#include <linux/mfd/tps6105x.h>
|
|
|
|
static const unsigned int tps6105x_voltages[] = {
|
|
4500000,
|
|
5000000,
|
|
5250000,
|
|
5000000, /* There is an additional 5V */
|
|
};
|
|
|
|
static struct regulator_ops tps6105x_regulator_ops = {
|
|
.enable = regulator_enable_regmap,
|
|
.disable = regulator_disable_regmap,
|
|
.is_enabled = regulator_is_enabled_regmap,
|
|
.get_voltage_sel = regulator_get_voltage_sel_regmap,
|
|
.set_voltage_sel = regulator_set_voltage_sel_regmap,
|
|
.list_voltage = regulator_list_voltage_table,
|
|
};
|
|
|
|
static const struct regulator_desc tps6105x_regulator_desc = {
|
|
.name = "tps6105x-boost",
|
|
.ops = &tps6105x_regulator_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.id = 0,
|
|
.owner = THIS_MODULE,
|
|
.n_voltages = ARRAY_SIZE(tps6105x_voltages),
|
|
.volt_table = tps6105x_voltages,
|
|
.vsel_reg = TPS6105X_REG_0,
|
|
.vsel_mask = TPS6105X_REG0_VOLTAGE_MASK,
|
|
.enable_reg = TPS6105X_REG_0,
|
|
.enable_mask = TPS6105X_REG0_MODE_MASK,
|
|
.enable_val = TPS6105X_REG0_MODE_VOLTAGE <<
|
|
TPS6105X_REG0_MODE_SHIFT,
|
|
};
|
|
|
|
/*
|
|
* Registers the chip as a voltage regulator
|
|
*/
|
|
static int tps6105x_regulator_probe(struct platform_device *pdev)
|
|
{
|
|
struct tps6105x *tps6105x = dev_get_platdata(&pdev->dev);
|
|
struct tps6105x_platform_data *pdata = tps6105x->pdata;
|
|
struct regulator_config config = { };
|
|
int ret;
|
|
|
|
/* This instance is not set for regulator mode so bail out */
|
|
if (pdata->mode != TPS6105X_MODE_VOLTAGE) {
|
|
dev_info(&pdev->dev,
|
|
"chip not in voltage mode mode, exit probe\n");
|
|
return 0;
|
|
}
|
|
|
|
config.dev = &tps6105x->client->dev;
|
|
config.init_data = pdata->regulator_data;
|
|
config.driver_data = tps6105x;
|
|
config.regmap = tps6105x->regmap;
|
|
|
|
/* Register regulator with framework */
|
|
tps6105x->regulator = devm_regulator_register(&pdev->dev,
|
|
&tps6105x_regulator_desc,
|
|
&config);
|
|
if (IS_ERR(tps6105x->regulator)) {
|
|
ret = PTR_ERR(tps6105x->regulator);
|
|
dev_err(&tps6105x->client->dev,
|
|
"failed to register regulator\n");
|
|
return ret;
|
|
}
|
|
platform_set_drvdata(pdev, tps6105x);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver tps6105x_regulator_driver = {
|
|
.driver = {
|
|
.name = "tps6105x-regulator",
|
|
},
|
|
.probe = tps6105x_regulator_probe,
|
|
};
|
|
|
|
static __init int tps6105x_regulator_init(void)
|
|
{
|
|
return platform_driver_register(&tps6105x_regulator_driver);
|
|
}
|
|
subsys_initcall(tps6105x_regulator_init);
|
|
|
|
static __exit void tps6105x_regulator_exit(void)
|
|
{
|
|
platform_driver_unregister(&tps6105x_regulator_driver);
|
|
}
|
|
module_exit(tps6105x_regulator_exit);
|
|
|
|
MODULE_AUTHOR("Linus Walleij <linus.walleij@linaro.org>");
|
|
MODULE_DESCRIPTION("TPS6105x regulator driver");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_ALIAS("platform:tps6105x-regulator");
|