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Commit | Line | Data |
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fda8d26e | 1 | // SPDX-License-Identifier: GPL-2.0-only |
7be56a8f DC |
2 | /* |
3 | * STMicroelectronics gyroscopes driver | |
4 | * | |
5 | * Copyright 2012-2013 STMicroelectronics Inc. | |
6 | * | |
7 | * Denis Ciocca <denis.ciocca@st.com> | |
7be56a8f DC |
8 | */ |
9 | ||
10 | #include <linux/kernel.h> | |
11 | #include <linux/module.h> | |
9c6cd755 | 12 | #include <linux/mod_devicetable.h> |
7be56a8f DC |
13 | #include <linux/i2c.h> |
14 | #include <linux/iio/iio.h> | |
7be56a8f DC |
15 | |
16 | #include <linux/iio/common/st_sensors.h> | |
17 | #include <linux/iio/common/st_sensors_i2c.h> | |
18 | #include "st_gyro.h" | |
19 | ||
2d7768a8 LW |
20 | static const struct of_device_id st_gyro_of_match[] = { |
21 | { | |
22 | .compatible = "st,l3g4200d-gyro", | |
23 | .data = L3G4200D_GYRO_DEV_NAME, | |
24 | }, | |
25 | { | |
26 | .compatible = "st,lsm330d-gyro", | |
27 | .data = LSM330D_GYRO_DEV_NAME, | |
28 | }, | |
29 | { | |
30 | .compatible = "st,lsm330dl-gyro", | |
31 | .data = LSM330DL_GYRO_DEV_NAME, | |
32 | }, | |
33 | { | |
34 | .compatible = "st,lsm330dlc-gyro", | |
35 | .data = LSM330DLC_GYRO_DEV_NAME, | |
36 | }, | |
37 | { | |
38 | .compatible = "st,l3gd20-gyro", | |
39 | .data = L3GD20_GYRO_DEV_NAME, | |
40 | }, | |
45a4e422 LB |
41 | { |
42 | .compatible = "st,l3gd20h-gyro", | |
43 | .data = L3GD20H_GYRO_DEV_NAME, | |
44 | }, | |
2d7768a8 LW |
45 | { |
46 | .compatible = "st,l3g4is-gyro", | |
47 | .data = L3G4IS_GYRO_DEV_NAME, | |
48 | }, | |
49 | { | |
50 | .compatible = "st,lsm330-gyro", | |
51 | .data = LSM330_GYRO_DEV_NAME, | |
52 | }, | |
41c128cb CDL |
53 | { |
54 | .compatible = "st,lsm9ds0-gyro", | |
55 | .data = LSM9DS0_GYRO_DEV_NAME, | |
56 | }, | |
2d7768a8 LW |
57 | {}, |
58 | }; | |
59 | MODULE_DEVICE_TABLE(of, st_gyro_of_match); | |
2d7768a8 | 60 | |
7be56a8f | 61 | static int st_gyro_i2c_probe(struct i2c_client *client, |
3c05484c | 62 | const struct i2c_device_id *id) |
7be56a8f | 63 | { |
3c05484c | 64 | const struct st_sensor_settings *settings; |
7be56a8f | 65 | struct st_sensor_data *gdata; |
3c05484c | 66 | struct iio_dev *indio_dev; |
7be56a8f DC |
67 | int err; |
68 | ||
efc78983 | 69 | st_sensors_dev_name_probe(&client->dev, client->name, sizeof(client->name)); |
3c05484c DC |
70 | |
71 | settings = st_gyro_get_settings(client->name); | |
72 | if (!settings) { | |
73 | dev_err(&client->dev, "device name %s not recognized.\n", | |
74 | client->name); | |
75 | return -ENODEV; | |
76 | } | |
77 | ||
7a842ed6 SK |
78 | indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*gdata)); |
79 | if (!indio_dev) | |
80 | return -ENOMEM; | |
7be56a8f DC |
81 | |
82 | gdata = iio_priv(indio_dev); | |
3c05484c | 83 | gdata->sensor_settings = (struct st_sensor_settings *)settings; |
7be56a8f | 84 | |
062809ef DC |
85 | err = st_sensors_i2c_configure(indio_dev, client); |
86 | if (err < 0) | |
87 | return err; | |
7be56a8f | 88 | |
7db4f2ca AS |
89 | err = st_sensors_power_enable(indio_dev); |
90 | if (err) | |
91 | return err; | |
92 | ||
ef67b341 | 93 | err = st_gyro_common_probe(indio_dev); |
7be56a8f | 94 | if (err < 0) |
7db4f2ca | 95 | goto st_gyro_power_off; |
7be56a8f DC |
96 | |
97 | return 0; | |
7db4f2ca AS |
98 | |
99 | st_gyro_power_off: | |
100 | st_sensors_power_disable(indio_dev); | |
101 | ||
102 | return err; | |
7be56a8f DC |
103 | } |
104 | ||
105 | static int st_gyro_i2c_remove(struct i2c_client *client) | |
106 | { | |
7db4f2ca AS |
107 | struct iio_dev *indio_dev = i2c_get_clientdata(client); |
108 | ||
7db4f2ca | 109 | st_gyro_common_remove(indio_dev); |
7be56a8f | 110 | |
daf92494 AA |
111 | st_sensors_power_disable(indio_dev); |
112 | ||
7be56a8f DC |
113 | return 0; |
114 | } | |
115 | ||
116 | static const struct i2c_device_id st_gyro_id_table[] = { | |
117 | { L3G4200D_GYRO_DEV_NAME }, | |
118 | { LSM330D_GYRO_DEV_NAME }, | |
119 | { LSM330DL_GYRO_DEV_NAME }, | |
120 | { LSM330DLC_GYRO_DEV_NAME }, | |
121 | { L3GD20_GYRO_DEV_NAME }, | |
45a4e422 | 122 | { L3GD20H_GYRO_DEV_NAME }, |
7be56a8f DC |
123 | { L3G4IS_GYRO_DEV_NAME }, |
124 | { LSM330_GYRO_DEV_NAME }, | |
41c128cb | 125 | { LSM9DS0_GYRO_DEV_NAME }, |
7be56a8f DC |
126 | {}, |
127 | }; | |
128 | MODULE_DEVICE_TABLE(i2c, st_gyro_id_table); | |
129 | ||
130 | static struct i2c_driver st_gyro_driver = { | |
131 | .driver = { | |
7be56a8f | 132 | .name = "st-gyro-i2c", |
ecb27c5e | 133 | .of_match_table = st_gyro_of_match, |
7be56a8f DC |
134 | }, |
135 | .probe = st_gyro_i2c_probe, | |
136 | .remove = st_gyro_i2c_remove, | |
137 | .id_table = st_gyro_id_table, | |
138 | }; | |
139 | module_i2c_driver(st_gyro_driver); | |
140 | ||
141 | MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); | |
142 | MODULE_DESCRIPTION("STMicroelectronics gyroscopes i2c driver"); | |
143 | MODULE_LICENSE("GPL v2"); |