linux/drivers/mfd/act8945a.c
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
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>
2019-05-30 11:26:32 -07:00

93 lines
2.0 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* MFD driver for Active-semi ACT8945a PMIC
*
* Copyright (C) 2015 Atmel Corporation.
*
* Author: Wenyou Yang <wenyou.yang@atmel.com>
*/
#include <linux/i2c.h>
#include <linux/mfd/core.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/regmap.h>
static const struct mfd_cell act8945a_devs[] = {
{
.name = "act8945a-regulator",
},
{
.name = "act8945a-charger",
.of_compatible = "active-semi,act8945a-charger",
},
};
static const struct regmap_config act8945a_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
};
static int act8945a_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
int ret;
struct regmap *regmap;
regmap = devm_regmap_init_i2c(i2c, &act8945a_regmap_config);
if (IS_ERR(regmap)) {
ret = PTR_ERR(regmap);
dev_err(&i2c->dev, "regmap init failed: %d\n", ret);
return ret;
}
i2c_set_clientdata(i2c, regmap);
ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_NONE,
act8945a_devs, ARRAY_SIZE(act8945a_devs),
NULL, 0, NULL);
if (ret) {
dev_err(&i2c->dev, "Failed to add sub devices\n");
return ret;
}
return 0;
}
static const struct i2c_device_id act8945a_i2c_id[] = {
{ "act8945a", 0 },
{}
};
MODULE_DEVICE_TABLE(i2c, act8945a_i2c_id);
static const struct of_device_id act8945a_of_match[] = {
{ .compatible = "active-semi,act8945a", },
{},
};
MODULE_DEVICE_TABLE(of, act8945a_of_match);
static struct i2c_driver act8945a_i2c_driver = {
.driver = {
.name = "act8945a",
.of_match_table = of_match_ptr(act8945a_of_match),
},
.probe = act8945a_i2c_probe,
.id_table = act8945a_i2c_id,
};
static int __init act8945a_i2c_init(void)
{
return i2c_add_driver(&act8945a_i2c_driver);
}
subsys_initcall(act8945a_i2c_init);
static void __exit act8945a_i2c_exit(void)
{
i2c_del_driver(&act8945a_i2c_driver);
}
module_exit(act8945a_i2c_exit);
MODULE_DESCRIPTION("ACT8945A PMIC multi-function driver");
MODULE_AUTHOR("Wenyou Yang <wenyou.yang@atmel.com>");
MODULE_LICENSE("GPL");