| 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 2 | /* |
| 3 | * STMicroelectronics accelerometers driver |
| 4 | * |
| 5 | * Copyright 2012-2013 STMicroelectronics Inc. |
| 6 | * |
| 7 | * Denis Ciocca <denis.ciocca@st.com> |
| 8 | */ |
| 9 | |
| 10 | #include <linux/kernel.h> |
| 11 | #include <linux/module.h> |
| 12 | #include <linux/mod_devicetable.h> |
| 13 | #include <linux/i2c.h> |
| 14 | #include <linux/iio/iio.h> |
| 15 | |
| 16 | #include <linux/iio/common/st_sensors_i2c.h> |
| 17 | #include "st_accel.h" |
| 18 | |
| 19 | static const struct of_device_id st_accel_of_match[] = { |
| 20 | { |
| 21 | /* An older compatible */ |
| 22 | .compatible = "st,lis3lv02d", |
| 23 | .data = LIS3LV02DL_ACCEL_DEV_NAME, |
| 24 | }, |
| 25 | { |
| 26 | .compatible = "st,lis3lv02dl-accel", |
| 27 | .data = LIS3LV02DL_ACCEL_DEV_NAME, |
| 28 | }, |
| 29 | { |
| 30 | .compatible = "st,lsm303dlh-accel", |
| 31 | .data = LSM303DLH_ACCEL_DEV_NAME, |
| 32 | }, |
| 33 | { |
| 34 | .compatible = "st,lsm303dlhc-accel", |
| 35 | .data = LSM303DLHC_ACCEL_DEV_NAME, |
| 36 | }, |
| 37 | { |
| 38 | .compatible = "st,lis3dh-accel", |
| 39 | .data = LIS3DH_ACCEL_DEV_NAME, |
| 40 | }, |
| 41 | { |
| 42 | .compatible = "st,lsm330d-accel", |
| 43 | .data = LSM330D_ACCEL_DEV_NAME, |
| 44 | }, |
| 45 | { |
| 46 | .compatible = "st,lsm330dl-accel", |
| 47 | .data = LSM330DL_ACCEL_DEV_NAME, |
| 48 | }, |
| 49 | { |
| 50 | .compatible = "st,lsm330dlc-accel", |
| 51 | .data = LSM330DLC_ACCEL_DEV_NAME, |
| 52 | }, |
| 53 | { |
| 54 | .compatible = "st,lis331dl-accel", |
| 55 | .data = LIS331DL_ACCEL_DEV_NAME, |
| 56 | }, |
| 57 | { |
| 58 | .compatible = "st,lis331dlh-accel", |
| 59 | .data = LIS331DLH_ACCEL_DEV_NAME, |
| 60 | }, |
| 61 | { |
| 62 | .compatible = "st,lsm303dl-accel", |
| 63 | .data = LSM303DL_ACCEL_DEV_NAME, |
| 64 | }, |
| 65 | { |
| 66 | .compatible = "st,lsm303dlm-accel", |
| 67 | .data = LSM303DLM_ACCEL_DEV_NAME, |
| 68 | }, |
| 69 | { |
| 70 | .compatible = "st,lsm330-accel", |
| 71 | .data = LSM330_ACCEL_DEV_NAME, |
| 72 | }, |
| 73 | { |
| 74 | .compatible = "st,lsm303agr-accel", |
| 75 | .data = LSM303AGR_ACCEL_DEV_NAME, |
| 76 | }, |
| 77 | { |
| 78 | .compatible = "st,lis2dh12-accel", |
| 79 | .data = LIS2DH12_ACCEL_DEV_NAME, |
| 80 | }, |
| 81 | { |
| 82 | .compatible = "st,h3lis331dl-accel", |
| 83 | .data = H3LIS331DL_ACCEL_DEV_NAME, |
| 84 | }, |
| 85 | { |
| 86 | .compatible = "st,lis3l02dq", |
| 87 | .data = LIS3L02DQ_ACCEL_DEV_NAME, |
| 88 | }, |
| 89 | { |
| 90 | .compatible = "st,lng2dm-accel", |
| 91 | .data = LNG2DM_ACCEL_DEV_NAME, |
| 92 | }, |
| 93 | { |
| 94 | .compatible = "st,lis2dw12", |
| 95 | .data = LIS2DW12_ACCEL_DEV_NAME, |
| 96 | }, |
| 97 | { |
| 98 | .compatible = "st,lis3de", |
| 99 | .data = LIS3DE_ACCEL_DEV_NAME, |
| 100 | }, |
| 101 | { |
| 102 | .compatible = "st,lis2de12", |
| 103 | .data = LIS2DE12_ACCEL_DEV_NAME, |
| 104 | }, |
| 105 | { |
| 106 | .compatible = "st,lis2ds12", |
| 107 | .data = LIS2DS12_ACCEL_DEV_NAME, |
| 108 | }, |
| 109 | { |
| 110 | .compatible = "st,lis2hh12", |
| 111 | .data = LIS2HH12_ACCEL_DEV_NAME, |
| 112 | }, |
| 113 | { |
| 114 | .compatible = "st,lis302dl", |
| 115 | .data = LIS302DL_ACCEL_DEV_NAME, |
| 116 | }, |
| 117 | { |
| 118 | .compatible = "st,lsm303c-accel", |
| 119 | .data = LSM303C_ACCEL_DEV_NAME, |
| 120 | }, |
| 121 | { |
| 122 | .compatible = "silan,sc7a20", |
| 123 | .data = SC7A20_ACCEL_DEV_NAME, |
| 124 | }, |
| 125 | { |
| 126 | .compatible = "st,iis328dq", |
| 127 | .data = IIS328DQ_ACCEL_DEV_NAME, |
| 128 | }, |
| 129 | { } |
| 130 | }; |
| 131 | MODULE_DEVICE_TABLE(of, st_accel_of_match); |
| 132 | |
| 133 | static const struct acpi_device_id st_accel_acpi_match[] = { |
| 134 | {"SMO8840", (kernel_ulong_t)LIS2DH12_ACCEL_DEV_NAME}, |
| 135 | {"SMO8A90", (kernel_ulong_t)LNG2DM_ACCEL_DEV_NAME}, |
| 136 | { } |
| 137 | }; |
| 138 | MODULE_DEVICE_TABLE(acpi, st_accel_acpi_match); |
| 139 | |
| 140 | static const struct i2c_device_id st_accel_id_table[] = { |
| 141 | { LSM303DLH_ACCEL_DEV_NAME }, |
| 142 | { LSM303DLHC_ACCEL_DEV_NAME }, |
| 143 | { LIS3DH_ACCEL_DEV_NAME }, |
| 144 | { LSM330D_ACCEL_DEV_NAME }, |
| 145 | { LSM330DL_ACCEL_DEV_NAME }, |
| 146 | { LSM330DLC_ACCEL_DEV_NAME }, |
| 147 | { LIS331DLH_ACCEL_DEV_NAME }, |
| 148 | { LSM303DL_ACCEL_DEV_NAME }, |
| 149 | { LSM303DLM_ACCEL_DEV_NAME }, |
| 150 | { LSM330_ACCEL_DEV_NAME }, |
| 151 | { LSM303AGR_ACCEL_DEV_NAME }, |
| 152 | { LIS2DH12_ACCEL_DEV_NAME }, |
| 153 | { LIS3L02DQ_ACCEL_DEV_NAME }, |
| 154 | { LNG2DM_ACCEL_DEV_NAME }, |
| 155 | { H3LIS331DL_ACCEL_DEV_NAME }, |
| 156 | { LIS331DL_ACCEL_DEV_NAME }, |
| 157 | { LIS3LV02DL_ACCEL_DEV_NAME }, |
| 158 | { LIS2DW12_ACCEL_DEV_NAME }, |
| 159 | { LIS3DE_ACCEL_DEV_NAME }, |
| 160 | { LIS2DE12_ACCEL_DEV_NAME }, |
| 161 | { LIS2DS12_ACCEL_DEV_NAME }, |
| 162 | { LIS2HH12_ACCEL_DEV_NAME }, |
| 163 | { LIS302DL_ACCEL_DEV_NAME }, |
| 164 | { LSM303C_ACCEL_DEV_NAME }, |
| 165 | { SC7A20_ACCEL_DEV_NAME }, |
| 166 | { IIS328DQ_ACCEL_DEV_NAME }, |
| 167 | { } |
| 168 | }; |
| 169 | MODULE_DEVICE_TABLE(i2c, st_accel_id_table); |
| 170 | |
| 171 | static int st_accel_i2c_probe(struct i2c_client *client) |
| 172 | { |
| 173 | const struct st_sensor_settings *settings; |
| 174 | struct st_sensor_data *adata; |
| 175 | struct iio_dev *indio_dev; |
| 176 | int ret; |
| 177 | |
| 178 | st_sensors_dev_name_probe(&client->dev, client->name, sizeof(client->name)); |
| 179 | |
| 180 | settings = st_accel_get_settings(client->name); |
| 181 | if (!settings) { |
| 182 | dev_err(&client->dev, "device name %s not recognized.\n", |
| 183 | client->name); |
| 184 | return -ENODEV; |
| 185 | } |
| 186 | |
| 187 | indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*adata)); |
| 188 | if (!indio_dev) |
| 189 | return -ENOMEM; |
| 190 | |
| 191 | adata = iio_priv(indio_dev); |
| 192 | adata->sensor_settings = (struct st_sensor_settings *)settings; |
| 193 | |
| 194 | ret = st_sensors_i2c_configure(indio_dev, client); |
| 195 | if (ret < 0) |
| 196 | return ret; |
| 197 | |
| 198 | ret = st_sensors_power_enable(indio_dev); |
| 199 | if (ret) |
| 200 | return ret; |
| 201 | |
| 202 | return st_accel_common_probe(indio_dev); |
| 203 | } |
| 204 | |
| 205 | static struct i2c_driver st_accel_driver = { |
| 206 | .driver = { |
| 207 | .name = "st-accel-i2c", |
| 208 | .of_match_table = st_accel_of_match, |
| 209 | .acpi_match_table = st_accel_acpi_match, |
| 210 | }, |
| 211 | .probe = st_accel_i2c_probe, |
| 212 | .id_table = st_accel_id_table, |
| 213 | }; |
| 214 | module_i2c_driver(st_accel_driver); |
| 215 | |
| 216 | MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); |
| 217 | MODULE_DESCRIPTION("STMicroelectronics accelerometers i2c driver"); |
| 218 | MODULE_LICENSE("GPL v2"); |
| 219 | MODULE_IMPORT_NS("IIO_ST_SENSORS"); |