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/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_accel.h" 20 21 static int st_accel_spi_probe(struct spi_device *spi) 22 { 23 struct iio_dev *indio_dev; 24 struct st_sensor_data *adata; 25 int err; 26 27 indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adata)); 28 if (!indio_dev) 29 return -ENOMEM; 30 31 adata = iio_priv(indio_dev); 32 33 st_sensors_spi_configure(indio_dev, spi, adata); 34 35 err = st_accel_common_probe(indio_dev); 36 if (err < 0) 37 return err; 38 39 return 0; 40 } 41 42 static int st_accel_spi_remove(struct spi_device *spi) 43 { 44 st_accel_common_remove(spi_get_drvdata(spi)); 45 46 return 0; 47 } 48 49 static const struct spi_device_id st_accel_id_table[] = { 50 { LSM303DLH_ACCEL_DEV_NAME }, 51 { LSM303DLHC_ACCEL_DEV_NAME }, 52 { LIS3DH_ACCEL_DEV_NAME }, 53 { LSM330D_ACCEL_DEV_NAME }, 54 { LSM330DL_ACCEL_DEV_NAME }, 55 { LSM330DLC_ACCEL_DEV_NAME }, 56 { LIS331DLH_ACCEL_DEV_NAME }, 57 { LSM303DL_ACCEL_DEV_NAME }, 58 { LSM303DLM_ACCEL_DEV_NAME }, 59 { LSM330_ACCEL_DEV_NAME }, 60 { LSM303AGR_ACCEL_DEV_NAME }, 61 { LIS2DH12_ACCEL_DEV_NAME }, 62 { LIS3L02DQ_ACCEL_DEV_NAME }, 63 { LNG2DM_ACCEL_DEV_NAME }, 64 {}, 65 }; 66 MODULE_DEVICE_TABLE(spi, st_accel_id_table); 67 68 #ifdef CONFIG_OF 69 static const struct of_device_id lis302dl_spi_dt_ids[] = { 70 { .compatible = "st,lis302dl-spi" }, 71 {} 72 }; 73 MODULE_DEVICE_TABLE(of, lis302dl_spi_dt_ids); 74 #endif 75 76 static struct spi_driver st_accel_driver = { 77 .driver = { 78 .name = "st-accel-spi", 79 .of_match_table = of_match_ptr(lis302dl_spi_dt_ids), 80 }, 81 .probe = st_accel_spi_probe, 82 .remove = st_accel_spi_remove, 83 .id_table = st_accel_id_table, 84 }; 85 module_spi_driver(st_accel_driver); 86 87 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); 88 MODULE_DESCRIPTION("STMicroelectronics accelerometers spi driver"); 89 MODULE_LICENSE("GPL v2"); 90