1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * I2C bus interface for ATC260x PMICs
4 *
5 * Copyright (C) 2019 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
6 * Copyright (C) 2020 Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
7 */
8
9#include <linux/i2c.h>
10#include <linux/mfd/atc260x/core.h>
11#include <linux/module.h>
12#include <linux/of.h>
13#include <linux/regmap.h>
14
15static int atc260x_i2c_probe(struct i2c_client *client)
16{
17	struct atc260x *atc260x;
18	struct regmap_config regmap_cfg;
19	int ret;
20
21	atc260x = devm_kzalloc(&client->dev, sizeof(*atc260x), GFP_KERNEL);
22	if (!atc260x)
23		return -ENOMEM;
24
25	atc260x->dev = &client->dev;
26	atc260x->irq = client->irq;
27
28	ret = atc260x_match_device(atc260x, &regmap_cfg);
29	if (ret)
30		return ret;
31
32	i2c_set_clientdata(client, atc260x);
33
34	atc260x->regmap = devm_regmap_init_i2c(client, &regmap_cfg);
35	if (IS_ERR(atc260x->regmap)) {
36		ret = PTR_ERR(atc260x->regmap);
37		dev_err(&client->dev, "failed to init regmap: %d\n", ret);
38		return ret;
39	}
40
41	return atc260x_device_probe(atc260x);
42}
43
44static const struct of_device_id atc260x_i2c_of_match[] = {
45	{ .compatible = "actions,atc2603c", .data = (void *)ATC2603C },
46	{ .compatible = "actions,atc2609a", .data = (void *)ATC2609A },
47	{ }
48};
49MODULE_DEVICE_TABLE(of, atc260x_i2c_of_match);
50
51static struct i2c_driver atc260x_i2c_driver = {
52	.driver = {
53		.name = "atc260x",
54		.of_match_table	= atc260x_i2c_of_match,
55	},
56	.probe = atc260x_i2c_probe,
57};
58module_i2c_driver(atc260x_i2c_driver);
59
60MODULE_DESCRIPTION("ATC260x PMICs I2C bus interface");
61MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");
62MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@gmail.com>");
63MODULE_LICENSE("GPL");
64