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 gdata->dev = &spi->dev; 33 34 st_sensors_spi_configure(indio_dev, spi, gdata); 35 36 err = st_gyro_common_probe(indio_dev, 37 (struct st_sensors_platform_data *)&gyro_pdata); 38 if (err < 0) 39 return err; 40 41 return 0; 42 } 43 44 static int st_gyro_spi_remove(struct spi_device *spi) 45 { 46 st_gyro_common_remove(spi_get_drvdata(spi)); 47 48 return 0; 49 } 50 51 static const struct spi_device_id st_gyro_id_table[] = { 52 { L3G4200D_GYRO_DEV_NAME }, 53 { LSM330D_GYRO_DEV_NAME }, 54 { LSM330DL_GYRO_DEV_NAME }, 55 { LSM330DLC_GYRO_DEV_NAME }, 56 { L3GD20_GYRO_DEV_NAME }, 57 { L3G4IS_GYRO_DEV_NAME }, 58 { LSM330_GYRO_DEV_NAME }, 59 {}, 60 }; 61 MODULE_DEVICE_TABLE(spi, st_gyro_id_table); 62 63 static struct spi_driver st_gyro_driver = { 64 .driver = { 65 .owner = THIS_MODULE, 66 .name = "st-gyro-spi", 67 }, 68 .probe = st_gyro_spi_probe, 69 .remove = st_gyro_spi_remove, 70 .id_table = st_gyro_id_table, 71 }; 72 module_spi_driver(st_gyro_driver); 73 74 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); 75 MODULE_DESCRIPTION("STMicroelectronics gyroscopes spi driver"); 76 MODULE_LICENSE("GPL v2"); 77