1/*
2 * STMicroelectronics magnetometers driver
3 *
4 * Copyright 2012-2013 STMicroelectronics Inc.
5 *
6 * Denis Ciocca <denis.ciocca@st.com>
7 *
8 * Licensed under the GPL-2.
9 */
10
11#include <linux/kernel.h>
12#include <linux/module.h>
13#include <linux/slab.h>
14#include <linux/i2c.h>
15#include <linux/iio/iio.h>
16
17#include <linux/iio/common/st_sensors.h>
18#include <linux/iio/common/st_sensors_i2c.h>
19#include "st_magn.h"
20
21#ifdef CONFIG_OF
22static const struct of_device_id st_magn_of_match[] = {
23	{
24		.compatible = "st,lsm303dlh-magn",
25		.data = LSM303DLH_MAGN_DEV_NAME,
26	},
27	{
28		.compatible = "st,lsm303dlhc-magn",
29		.data = LSM303DLHC_MAGN_DEV_NAME,
30	},
31	{
32		.compatible = "st,lsm303dlm-magn",
33		.data = LSM303DLM_MAGN_DEV_NAME,
34	},
35	{
36		.compatible = "st,lis3mdl-magn",
37		.data = LIS3MDL_MAGN_DEV_NAME,
38	},
39	{
40		.compatible = "st,lsm303agr-magn",
41		.data = LSM303AGR_MAGN_DEV_NAME,
42	},
43	{},
44};
45MODULE_DEVICE_TABLE(of, st_magn_of_match);
46#else
47#define st_magn_of_match NULL
48#endif
49
50static int st_magn_i2c_probe(struct i2c_client *client,
51						const struct i2c_device_id *id)
52{
53	struct iio_dev *indio_dev;
54	struct st_sensor_data *mdata;
55	int err;
56
57	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*mdata));
58	if (!indio_dev)
59		return -ENOMEM;
60
61	mdata = iio_priv(indio_dev);
62	st_sensors_of_i2c_probe(client, st_magn_of_match);
63
64	st_sensors_i2c_configure(indio_dev, client, mdata);
65
66	err = st_magn_common_probe(indio_dev);
67	if (err < 0)
68		return err;
69
70	return 0;
71}
72
73static int st_magn_i2c_remove(struct i2c_client *client)
74{
75	struct iio_dev *indio_dev = i2c_get_clientdata(client);
76	st_magn_common_remove(indio_dev);
77
78	return 0;
79}
80
81static const struct i2c_device_id st_magn_id_table[] = {
82	{ LSM303DLH_MAGN_DEV_NAME },
83	{ LSM303DLHC_MAGN_DEV_NAME },
84	{ LSM303DLM_MAGN_DEV_NAME },
85	{ LIS3MDL_MAGN_DEV_NAME },
86	{ LSM303AGR_MAGN_DEV_NAME },
87	{},
88};
89MODULE_DEVICE_TABLE(i2c, st_magn_id_table);
90
91static struct i2c_driver st_magn_driver = {
92	.driver = {
93		.name = "st-magn-i2c",
94		.of_match_table = of_match_ptr(st_magn_of_match),
95	},
96	.probe = st_magn_i2c_probe,
97	.remove = st_magn_i2c_remove,
98	.id_table = st_magn_id_table,
99};
100module_i2c_driver(st_magn_driver);
101
102MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
103MODULE_DESCRIPTION("STMicroelectronics magnetometers i2c driver");
104MODULE_LICENSE("GPL v2");
105