1 /*
2 * STMicroelectronics accelerometers 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_accel.h"
20
21 #ifdef CONFIG_OF
22 static const struct of_device_id st_accel_of_match[] = {
23 {
24 .compatible = "st,lis3lv02dl-accel",
25 .data = LIS3LV02DL_ACCEL_DEV_NAME,
26 },
27 {
28 .compatible = "st,lsm303dlh-accel",
29 .data = LSM303DLH_ACCEL_DEV_NAME,
30 },
31 {
32 .compatible = "st,lsm303dlhc-accel",
33 .data = LSM303DLHC_ACCEL_DEV_NAME,
34 },
35 {
36 .compatible = "st,lis3dh-accel",
37 .data = LIS3DH_ACCEL_DEV_NAME,
38 },
39 {
40 .compatible = "st,lsm330d-accel",
41 .data = LSM330D_ACCEL_DEV_NAME,
42 },
43 {
44 .compatible = "st,lsm330dl-accel",
45 .data = LSM330DL_ACCEL_DEV_NAME,
46 },
47 {
48 .compatible = "st,lsm330dlc-accel",
49 .data = LSM330DLC_ACCEL_DEV_NAME,
50 },
51 {
52 .compatible = "st,lis331dl-accel",
53 .data = LIS331DL_ACCEL_DEV_NAME,
54 },
55 {
56 .compatible = "st,lis331dlh-accel",
57 .data = LIS331DLH_ACCEL_DEV_NAME,
58 },
59 {
60 .compatible = "st,lsm303dl-accel",
61 .data = LSM303DL_ACCEL_DEV_NAME,
62 },
63 {
64 .compatible = "st,lsm303dlm-accel",
65 .data = LSM303DLM_ACCEL_DEV_NAME,
66 },
67 {
68 .compatible = "st,lsm330-accel",
69 .data = LSM330_ACCEL_DEV_NAME,
70 },
71 {
72 .compatible = "st,lsm303agr-accel",
73 .data = LSM303AGR_ACCEL_DEV_NAME,
74 },
75 {
76 .compatible = "st,lis2dh12-accel",
77 .data = LIS2DH12_ACCEL_DEV_NAME,
78 },
79 {
80 .compatible = "st,h3lis331dl-accel",
81 .data = H3LIS331DL_DRIVER_NAME,
82 },
83 {
84 .compatible = "st,lis3l02dq",
85 .data = LIS3L02DQ_ACCEL_DEV_NAME,
86 },
87 {},
88 };
89 MODULE_DEVICE_TABLE(of, st_accel_of_match);
90 #else
91 #define st_accel_of_match NULL
92 #endif
93
st_accel_i2c_probe(struct i2c_client * client,const struct i2c_device_id * id)94 static int st_accel_i2c_probe(struct i2c_client *client,
95 const struct i2c_device_id *id)
96 {
97 struct iio_dev *indio_dev;
98 struct st_sensor_data *adata;
99 int err;
100
101 indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*adata));
102 if (!indio_dev)
103 return -ENOMEM;
104
105 adata = iio_priv(indio_dev);
106 st_sensors_of_i2c_probe(client, st_accel_of_match);
107
108 st_sensors_i2c_configure(indio_dev, client, adata);
109
110 err = st_accel_common_probe(indio_dev);
111 if (err < 0)
112 return err;
113
114 return 0;
115 }
116
st_accel_i2c_remove(struct i2c_client * client)117 static int st_accel_i2c_remove(struct i2c_client *client)
118 {
119 st_accel_common_remove(i2c_get_clientdata(client));
120
121 return 0;
122 }
123
124 static const struct i2c_device_id st_accel_id_table[] = {
125 { LSM303DLH_ACCEL_DEV_NAME },
126 { LSM303DLHC_ACCEL_DEV_NAME },
127 { LIS3DH_ACCEL_DEV_NAME },
128 { LSM330D_ACCEL_DEV_NAME },
129 { LSM330DL_ACCEL_DEV_NAME },
130 { LSM330DLC_ACCEL_DEV_NAME },
131 { LIS331DLH_ACCEL_DEV_NAME },
132 { LSM303DL_ACCEL_DEV_NAME },
133 { LSM303DLM_ACCEL_DEV_NAME },
134 { LSM330_ACCEL_DEV_NAME },
135 { LSM303AGR_ACCEL_DEV_NAME },
136 { LIS2DH12_ACCEL_DEV_NAME },
137 { LIS3L02DQ_ACCEL_DEV_NAME },
138 {},
139 };
140 MODULE_DEVICE_TABLE(i2c, st_accel_id_table);
141
142 static struct i2c_driver st_accel_driver = {
143 .driver = {
144 .name = "st-accel-i2c",
145 .of_match_table = of_match_ptr(st_accel_of_match),
146 },
147 .probe = st_accel_i2c_probe,
148 .remove = st_accel_i2c_remove,
149 .id_table = st_accel_id_table,
150 };
151 module_i2c_driver(st_accel_driver);
152
153 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
154 MODULE_DESCRIPTION("STMicroelectronics accelerometers i2c driver");
155 MODULE_LICENSE("GPL v2");
156