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> 16 17 #include <linux/iio/common/st_sensors.h> 18 #include <linux/iio/common/st_sensors_i2c.h> 19 #include "st_gyro.h" 20 21 static int st_gyro_i2c_probe(struct i2c_client *client, 22 const struct i2c_device_id *id) 23 { 24 struct iio_dev *indio_dev; 25 struct st_sensor_data *gdata; 26 int err; 27 28 indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*gdata)); 29 if (!indio_dev) 30 return -ENOMEM; 31 32 gdata = iio_priv(indio_dev); 33 gdata->dev = &client->dev; 34 35 st_sensors_i2c_configure(indio_dev, client, gdata); 36 37 err = st_gyro_common_probe(indio_dev, 38 (struct st_sensors_platform_data *)&gyro_pdata); 39 if (err < 0) 40 return err; 41 42 return 0; 43 } 44 45 static int st_gyro_i2c_remove(struct i2c_client *client) 46 { 47 st_gyro_common_remove(i2c_get_clientdata(client)); 48 49 return 0; 50 } 51 52 static const struct i2c_device_id st_gyro_id_table[] = { 53 { L3G4200D_GYRO_DEV_NAME }, 54 { LSM330D_GYRO_DEV_NAME }, 55 { LSM330DL_GYRO_DEV_NAME }, 56 { LSM330DLC_GYRO_DEV_NAME }, 57 { L3GD20_GYRO_DEV_NAME }, 58 { L3GD20H_GYRO_DEV_NAME }, 59 { L3G4IS_GYRO_DEV_NAME }, 60 { LSM330_GYRO_DEV_NAME }, 61 {}, 62 }; 63 MODULE_DEVICE_TABLE(i2c, st_gyro_id_table); 64 65 static struct i2c_driver st_gyro_driver = { 66 .driver = { 67 .owner = THIS_MODULE, 68 .name = "st-gyro-i2c", 69 }, 70 .probe = st_gyro_i2c_probe, 71 .remove = st_gyro_i2c_remove, 72 .id_table = st_gyro_id_table, 73 }; 74 module_i2c_driver(st_gyro_driver); 75 76 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); 77 MODULE_DESCRIPTION("STMicroelectronics gyroscopes i2c driver"); 78 MODULE_LICENSE("GPL v2"); 79