mirror of https://gitee.com/openkylin/linux.git
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
|
/*
|
||
|
|
* I2C access driver for TI TPS65912x PMICs
|
||
|
|
*
|
||
|
|
* Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
|
||
|
|
* Andrew F. Davis <afd@ti.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
|
||
|
|
* kind, whether expressed or implied; without even the implied warranty
|
||
|
|
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License version 2 for more details.
|
||
|
|
*
|
||
|
|
* Based on the TPS65218 driver and the previous TPS65912 driver by
|
||
|
|
* Margarita Olaya Cabrera <magi@slimlogic.co.uk>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/i2c.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/regmap.h>
|
||
|
|
|
||
|
|
#include <linux/mfd/tps65912.h>
|
||
|
|
|
||
|
|
static const struct of_device_id tps65912_i2c_of_match_table[] = {
|
||
|
|
{ .compatible = "ti,tps65912", },
|
||
|
|
{ /* sentinel */ }
|
||
|
|
};
|
||
|
|
|
||
|
|
static int tps65912_i2c_probe(struct i2c_client *client,
|
||
|
|
const struct i2c_device_id *ids)
|
||
|
|
{
|
||
|
|
struct tps65912 *tps;
|
||
|
|
|
||
|
|
tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
|
||
|
|
if (!tps)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
i2c_set_clientdata(client, tps);
|
||
|
|
tps->dev = &client->dev;
|
||
|
|
tps->irq = client->irq;
|
||
|
|
|
||
|
|
tps->regmap = devm_regmap_init_i2c(client, &tps65912_regmap_config);
|
||
|
|
if (IS_ERR(tps->regmap)) {
|
||
|
|
dev_err(tps->dev, "Failed to initialize register map\n");
|
||
|
|
return PTR_ERR(tps->regmap);
|
||
|
|
}
|
||
|
|
|
||
|
|
return tps65912_device_init(tps);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int tps65912_i2c_remove(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
struct tps65912 *tps = i2c_get_clientdata(client);
|
||
|
|
|
||
|
|
return tps65912_device_exit(tps);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct i2c_device_id tps65912_i2c_id_table[] = {
|
||
|
|
{ "tps65912", 0 },
|
||
|
|
{ /* sentinel */ }
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(i2c, tps65912_i2c_id_table);
|
||
|
|
|
||
|
|
static struct i2c_driver tps65912_i2c_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "tps65912",
|
||
|
|
.of_match_table = tps65912_i2c_of_match_table,
|
||
|
|
},
|
||
|
|
.probe = tps65912_i2c_probe,
|
||
|
|
.remove = tps65912_i2c_remove,
|
||
|
|
.id_table = tps65912_i2c_id_table,
|
||
|
|
};
|
||
|
|
module_i2c_driver(tps65912_i2c_driver);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
|
||
|
|
MODULE_DESCRIPTION("TPS65912x I2C Interface Driver");
|
||
|
|
MODULE_LICENSE("GPL v2");
|