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 }; 81 MODULE_DEVICE_TABLE(of, st_accel_of_match); 82 #else 83 #define st_accel_of_match NULL 84 #endif 85 86 static int st_accel_i2c_probe(struct i2c_client *client, 87 const struct i2c_device_id *id) 88 { 89 struct iio_dev *indio_dev; 90 struct st_sensor_data *adata; 91 int err; 92 93 indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*adata)); 94 if (!indio_dev) 95 return -ENOMEM; 96 97 adata = iio_priv(indio_dev); 98 st_sensors_of_i2c_probe(client, st_accel_of_match); 99 100 st_sensors_i2c_configure(indio_dev, client, adata); 101 102 err = st_accel_common_probe(indio_dev); 103 if (err < 0) 104 return err; 105 106 return 0; 107 } 108 109 static int st_accel_i2c_remove(struct i2c_client *client) 110 { 111 st_accel_common_remove(i2c_get_clientdata(client)); 112 113 return 0; 114 } 115 116 static const struct i2c_device_id st_accel_id_table[] = { 117 { LSM303DLH_ACCEL_DEV_NAME }, 118 { LSM303DLHC_ACCEL_DEV_NAME }, 119 { LIS3DH_ACCEL_DEV_NAME }, 120 { LSM330D_ACCEL_DEV_NAME }, 121 { LSM330DL_ACCEL_DEV_NAME }, 122 { LSM330DLC_ACCEL_DEV_NAME }, 123 { LIS331DLH_ACCEL_DEV_NAME }, 124 { LSM303DL_ACCEL_DEV_NAME }, 125 { LSM303DLM_ACCEL_DEV_NAME }, 126 { LSM330_ACCEL_DEV_NAME }, 127 { LSM303AGR_ACCEL_DEV_NAME }, 128 { LIS2DH12_ACCEL_DEV_NAME }, 129 {}, 130 }; 131 MODULE_DEVICE_TABLE(i2c, st_accel_id_table); 132 133 static struct i2c_driver st_accel_driver = { 134 .driver = { 135 .name = "st-accel-i2c", 136 .of_match_table = of_match_ptr(st_accel_of_match), 137 }, 138 .probe = st_accel_i2c_probe, 139 .remove = st_accel_i2c_remove, 140 .id_table = st_accel_id_table, 141 }; 142 module_i2c_driver(st_accel_driver); 143 144 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); 145 MODULE_DESCRIPTION("STMicroelectronics accelerometers i2c driver"); 146 MODULE_LICENSE("GPL v2"); 147