xref: /openbmc/linux/drivers/iio/gyro/st_gyro_spi.c (revision 8730046c)
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/spi/spi.h>
15 #include <linux/iio/iio.h>
16 
17 #include <linux/iio/common/st_sensors.h>
18 #include <linux/iio/common/st_sensors_spi.h>
19 #include "st_gyro.h"
20 
21 static int st_gyro_spi_probe(struct spi_device *spi)
22 {
23 	struct iio_dev *indio_dev;
24 	struct st_sensor_data *gdata;
25 	int err;
26 
27 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*gdata));
28 	if (!indio_dev)
29 		return -ENOMEM;
30 
31 	gdata = iio_priv(indio_dev);
32 
33 	st_sensors_spi_configure(indio_dev, spi, gdata);
34 
35 	err = st_gyro_common_probe(indio_dev);
36 	if (err < 0)
37 		return err;
38 
39 	return 0;
40 }
41 
42 static int st_gyro_spi_remove(struct spi_device *spi)
43 {
44 	st_gyro_common_remove(spi_get_drvdata(spi));
45 
46 	return 0;
47 }
48 
49 static const struct spi_device_id st_gyro_id_table[] = {
50 	{ L3G4200D_GYRO_DEV_NAME },
51 	{ LSM330D_GYRO_DEV_NAME },
52 	{ LSM330DL_GYRO_DEV_NAME },
53 	{ LSM330DLC_GYRO_DEV_NAME },
54 	{ L3GD20_GYRO_DEV_NAME },
55 	{ L3G4IS_GYRO_DEV_NAME },
56 	{ LSM330_GYRO_DEV_NAME },
57 	{ LSM9DS0_GYRO_DEV_NAME },
58 	{},
59 };
60 MODULE_DEVICE_TABLE(spi, st_gyro_id_table);
61 
62 static struct spi_driver st_gyro_driver = {
63 	.driver = {
64 		.name = "st-gyro-spi",
65 	},
66 	.probe = st_gyro_spi_probe,
67 	.remove = st_gyro_spi_remove,
68 	.id_table = st_gyro_id_table,
69 };
70 module_spi_driver(st_gyro_driver);
71 
72 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
73 MODULE_DESCRIPTION("STMicroelectronics gyroscopes spi driver");
74 MODULE_LICENSE("GPL v2");
75