mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-21 16:29:59 +00:00
![Jonathan Cameron](/assets/img/avatar_default.png)
Enables probing via ACPI PRP0001 and removes an example that we don't want people to cut and paste into new drivers. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* STMicroelectronics uvis25 i2c driver
|
|
*
|
|
* Copyright 2017 STMicroelectronics Inc.
|
|
*
|
|
* Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/mod_devicetable.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/regmap.h>
|
|
|
|
#include "st_uvis25.h"
|
|
|
|
#define UVIS25_I2C_AUTO_INCREMENT BIT(7)
|
|
|
|
static const struct regmap_config st_uvis25_i2c_regmap_config = {
|
|
.reg_bits = 8,
|
|
.val_bits = 8,
|
|
.write_flag_mask = UVIS25_I2C_AUTO_INCREMENT,
|
|
.read_flag_mask = UVIS25_I2C_AUTO_INCREMENT,
|
|
};
|
|
|
|
static int st_uvis25_i2c_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct regmap *regmap;
|
|
|
|
regmap = devm_regmap_init_i2c(client, &st_uvis25_i2c_regmap_config);
|
|
if (IS_ERR(regmap)) {
|
|
dev_err(&client->dev, "Failed to register i2c regmap %ld\n",
|
|
PTR_ERR(regmap));
|
|
return PTR_ERR(regmap);
|
|
}
|
|
|
|
return st_uvis25_probe(&client->dev, client->irq, regmap);
|
|
}
|
|
|
|
static const struct of_device_id st_uvis25_i2c_of_match[] = {
|
|
{ .compatible = "st,uvis25", },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, st_uvis25_i2c_of_match);
|
|
|
|
static const struct i2c_device_id st_uvis25_i2c_id_table[] = {
|
|
{ ST_UVIS25_DEV_NAME },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, st_uvis25_i2c_id_table);
|
|
|
|
static struct i2c_driver st_uvis25_driver = {
|
|
.driver = {
|
|
.name = "st_uvis25_i2c",
|
|
.pm = &st_uvis25_pm_ops,
|
|
.of_match_table = st_uvis25_i2c_of_match,
|
|
},
|
|
.probe = st_uvis25_i2c_probe,
|
|
.id_table = st_uvis25_i2c_id_table,
|
|
};
|
|
module_i2c_driver(st_uvis25_driver);
|
|
|
|
MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
|
|
MODULE_DESCRIPTION("STMicroelectronics uvis25 i2c driver");
|
|
MODULE_LICENSE("GPL v2");
|