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7be56a8f DC |
1 | /* |
2 | * STMicroelectronics gyroscopes 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> | |
7be56a8f DC |
16 | |
17 | #include <linux/iio/common/st_sensors.h> | |
18 | #include <linux/iio/common/st_sensors_i2c.h> | |
19 | #include "st_gyro.h" | |
20 | ||
2d7768a8 LW |
21 | #ifdef CONFIG_OF |
22 | static const struct of_device_id st_gyro_of_match[] = { | |
23 | { | |
24 | .compatible = "st,l3g4200d-gyro", | |
25 | .data = L3G4200D_GYRO_DEV_NAME, | |
26 | }, | |
27 | { | |
28 | .compatible = "st,lsm330d-gyro", | |
29 | .data = LSM330D_GYRO_DEV_NAME, | |
30 | }, | |
31 | { | |
32 | .compatible = "st,lsm330dl-gyro", | |
33 | .data = LSM330DL_GYRO_DEV_NAME, | |
34 | }, | |
35 | { | |
36 | .compatible = "st,lsm330dlc-gyro", | |
37 | .data = LSM330DLC_GYRO_DEV_NAME, | |
38 | }, | |
39 | { | |
40 | .compatible = "st,l3gd20-gyro", | |
41 | .data = L3GD20_GYRO_DEV_NAME, | |
42 | }, | |
43 | { | |
44 | .compatible = "st,l3g4is-gyro", | |
45 | .data = L3G4IS_GYRO_DEV_NAME, | |
46 | }, | |
47 | { | |
48 | .compatible = "st,lsm330-gyro", | |
49 | .data = LSM330_GYRO_DEV_NAME, | |
50 | }, | |
51 | {}, | |
52 | }; | |
53 | MODULE_DEVICE_TABLE(of, st_gyro_of_match); | |
54 | #else | |
55 | #define st_gyro_of_match NULL | |
56 | #endif | |
57 | ||
7be56a8f DC |
58 | static int st_gyro_i2c_probe(struct i2c_client *client, |
59 | const struct i2c_device_id *id) | |
60 | { | |
61 | struct iio_dev *indio_dev; | |
62 | struct st_sensor_data *gdata; | |
63 | int err; | |
64 | ||
7a842ed6 SK |
65 | indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*gdata)); |
66 | if (!indio_dev) | |
67 | return -ENOMEM; | |
7be56a8f DC |
68 | |
69 | gdata = iio_priv(indio_dev); | |
2d7768a8 | 70 | st_sensors_of_i2c_probe(client, st_gyro_of_match); |
7be56a8f DC |
71 | |
72 | st_sensors_i2c_configure(indio_dev, client, gdata); | |
73 | ||
ef67b341 | 74 | err = st_gyro_common_probe(indio_dev); |
7be56a8f | 75 | if (err < 0) |
7a842ed6 | 76 | return err; |
7be56a8f DC |
77 | |
78 | return 0; | |
7be56a8f DC |
79 | } |
80 | ||
81 | static int st_gyro_i2c_remove(struct i2c_client *client) | |
82 | { | |
83 | st_gyro_common_remove(i2c_get_clientdata(client)); | |
84 | ||
85 | return 0; | |
86 | } | |
87 | ||
88 | static const struct i2c_device_id st_gyro_id_table[] = { | |
89 | { L3G4200D_GYRO_DEV_NAME }, | |
90 | { LSM330D_GYRO_DEV_NAME }, | |
91 | { LSM330DL_GYRO_DEV_NAME }, | |
92 | { LSM330DLC_GYRO_DEV_NAME }, | |
93 | { L3GD20_GYRO_DEV_NAME }, | |
7be56a8f DC |
94 | { L3G4IS_GYRO_DEV_NAME }, |
95 | { LSM330_GYRO_DEV_NAME }, | |
96 | {}, | |
97 | }; | |
98 | MODULE_DEVICE_TABLE(i2c, st_gyro_id_table); | |
99 | ||
100 | static struct i2c_driver st_gyro_driver = { | |
101 | .driver = { | |
7be56a8f | 102 | .name = "st-gyro-i2c", |
2d7768a8 | 103 | .of_match_table = of_match_ptr(st_gyro_of_match), |
7be56a8f DC |
104 | }, |
105 | .probe = st_gyro_i2c_probe, | |
106 | .remove = st_gyro_i2c_remove, | |
107 | .id_table = st_gyro_id_table, | |
108 | }; | |
109 | module_i2c_driver(st_gyro_driver); | |
110 | ||
111 | MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); | |
112 | MODULE_DESCRIPTION("STMicroelectronics gyroscopes i2c driver"); | |
113 | MODULE_LICENSE("GPL v2"); |