190 lines
4.1 KiB
C
190 lines
4.1 KiB
C
/*
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* STMicroelectronics accelerometers driver
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*
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* Copyright 2012-2013 STMicroelectronics Inc.
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*
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* Denis Ciocca <denis.ciocca@st.com>
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*
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* Licensed under the GPL-2.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/acpi.h>
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#include <linux/i2c.h>
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#include <linux/iio/iio.h>
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#include <linux/property.h>
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#include <linux/iio/common/st_sensors_i2c.h>
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#include "st_accel.h"
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#ifdef CONFIG_OF
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static const struct of_device_id st_accel_of_match[] = {
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{
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/* An older compatible */
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.compatible = "st,lis3lv02d",
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.data = LIS3LV02DL_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis3lv02dl-accel",
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.data = LIS3LV02DL_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm303dlh-accel",
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.data = LSM303DLH_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm303dlhc-accel",
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.data = LSM303DLHC_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis3dh-accel",
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.data = LIS3DH_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm330d-accel",
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.data = LSM330D_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm330dl-accel",
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.data = LSM330DL_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm330dlc-accel",
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.data = LSM330DLC_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis331dl-accel",
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.data = LIS331DL_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis331dlh-accel",
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.data = LIS331DLH_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm303dl-accel",
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.data = LSM303DL_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm303dlm-accel",
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.data = LSM303DLM_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm330-accel",
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.data = LSM330_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lsm303agr-accel",
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.data = LSM303AGR_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis2dh12-accel",
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.data = LIS2DH12_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,h3lis331dl-accel",
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.data = H3LIS331DL_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis3l02dq",
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.data = LIS3L02DQ_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lng2dm-accel",
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.data = LNG2DM_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,lis2dw12",
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.data = LIS2DW12_ACCEL_DEV_NAME,
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},
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{},
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};
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MODULE_DEVICE_TABLE(of, st_accel_of_match);
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#else
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#define st_accel_of_match NULL
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#endif
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#ifdef CONFIG_ACPI
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static const struct acpi_device_id st_accel_acpi_match[] = {
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{"SMO8840", (kernel_ulong_t)LNG2DM_ACCEL_DEV_NAME},
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{"SMO8A90", (kernel_ulong_t)LNG2DM_ACCEL_DEV_NAME},
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{ },
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};
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MODULE_DEVICE_TABLE(acpi, st_accel_acpi_match);
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#else
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#define st_accel_acpi_match NULL
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#endif
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static const struct i2c_device_id st_accel_id_table[] = {
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{ LSM303DLH_ACCEL_DEV_NAME },
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{ LSM303DLHC_ACCEL_DEV_NAME },
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{ LIS3DH_ACCEL_DEV_NAME },
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{ LSM330D_ACCEL_DEV_NAME },
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{ LSM330DL_ACCEL_DEV_NAME },
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{ LSM330DLC_ACCEL_DEV_NAME },
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{ LIS331DLH_ACCEL_DEV_NAME },
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{ LSM303DL_ACCEL_DEV_NAME },
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{ LSM303DLM_ACCEL_DEV_NAME },
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{ LSM330_ACCEL_DEV_NAME },
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{ LSM303AGR_ACCEL_DEV_NAME },
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{ LIS2DH12_ACCEL_DEV_NAME },
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{ LIS3L02DQ_ACCEL_DEV_NAME },
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{ LNG2DM_ACCEL_DEV_NAME },
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{ H3LIS331DL_ACCEL_DEV_NAME },
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{ LIS331DL_ACCEL_DEV_NAME },
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{ LIS3LV02DL_ACCEL_DEV_NAME },
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{ LIS2DW12_ACCEL_DEV_NAME },
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{},
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};
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MODULE_DEVICE_TABLE(i2c, st_accel_id_table);
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static int st_accel_i2c_probe(struct i2c_client *client)
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{
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struct iio_dev *indio_dev;
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struct st_sensor_data *adata;
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const char *match;
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int ret;
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indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*adata));
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if (!indio_dev)
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return -ENOMEM;
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adata = iio_priv(indio_dev);
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match = device_get_match_data(&client->dev);
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if (match)
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strlcpy(client->name, match, sizeof(client->name));
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st_sensors_i2c_configure(indio_dev, client, adata);
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ret = st_accel_common_probe(indio_dev);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int st_accel_i2c_remove(struct i2c_client *client)
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{
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st_accel_common_remove(i2c_get_clientdata(client));
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return 0;
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}
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static struct i2c_driver st_accel_driver = {
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.driver = {
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.name = "st-accel-i2c",
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.of_match_table = of_match_ptr(st_accel_of_match),
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.acpi_match_table = ACPI_PTR(st_accel_acpi_match),
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},
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.probe_new = st_accel_i2c_probe,
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.remove = st_accel_i2c_remove,
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.id_table = st_accel_id_table,
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};
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module_i2c_driver(st_accel_driver);
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MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
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MODULE_DESCRIPTION("STMicroelectronics accelerometers i2c driver");
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MODULE_LICENSE("GPL v2");
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