mirror of https://gitee.com/openkylin/linux.git
154 lines
3.3 KiB
C
154 lines
3.3 KiB
C
/*
|
|
* STMicroelectronics accelerometers driver
|
|
*
|
|
* Copyright 2012-2013 STMicroelectronics Inc.
|
|
*
|
|
* Denis Ciocca <denis.ciocca@st.com>
|
|
*
|
|
* Licensed under the GPL-2.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/iio/iio.h>
|
|
|
|
#include <linux/iio/common/st_sensors.h>
|
|
#include <linux/iio/common/st_sensors_spi.h>
|
|
#include "st_accel.h"
|
|
|
|
#ifdef CONFIG_OF
|
|
/*
|
|
* For new single-chip sensors use <device_name> as compatible string.
|
|
* For old single-chip devices keep <device_name>-accel to maintain
|
|
* compatibility
|
|
*/
|
|
static const struct of_device_id st_accel_of_match[] = {
|
|
{
|
|
/* An older compatible */
|
|
.compatible = "st,lis302dl-spi",
|
|
.data = LIS3LV02DL_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,lis3lv02dl-accel",
|
|
.data = LIS3LV02DL_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,lis3dh-accel",
|
|
.data = LIS3DH_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,lsm330d-accel",
|
|
.data = LSM330D_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,lsm330dl-accel",
|
|
.data = LSM330DL_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,lsm330dlc-accel",
|
|
.data = LSM330DLC_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,lis331dlh-accel",
|
|
.data = LIS331DLH_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,lsm330-accel",
|
|
.data = LSM330_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,lsm303agr-accel",
|
|
.data = LSM303AGR_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,lis2dh12-accel",
|
|
.data = LIS2DH12_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,lis3l02dq",
|
|
.data = LIS3L02DQ_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,lng2dm-accel",
|
|
.data = LNG2DM_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,h3lis331dl-accel",
|
|
.data = H3LIS331DL_ACCEL_DEV_NAME,
|
|
},
|
|
{
|
|
.compatible = "st,lis331dl-accel",
|
|
.data = LIS331DL_ACCEL_DEV_NAME,
|
|
},
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, st_accel_of_match);
|
|
#else
|
|
#define st_accel_of_match NULL
|
|
#endif
|
|
|
|
static int st_accel_spi_probe(struct spi_device *spi)
|
|
{
|
|
struct iio_dev *indio_dev;
|
|
struct st_sensor_data *adata;
|
|
int err;
|
|
|
|
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adata));
|
|
if (!indio_dev)
|
|
return -ENOMEM;
|
|
|
|
adata = iio_priv(indio_dev);
|
|
|
|
st_sensors_of_name_probe(&spi->dev, st_accel_of_match,
|
|
spi->modalias, sizeof(spi->modalias));
|
|
st_sensors_spi_configure(indio_dev, spi, adata);
|
|
|
|
err = st_accel_common_probe(indio_dev);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int st_accel_spi_remove(struct spi_device *spi)
|
|
{
|
|
st_accel_common_remove(spi_get_drvdata(spi));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct spi_device_id st_accel_id_table[] = {
|
|
{ LIS3DH_ACCEL_DEV_NAME },
|
|
{ LSM330D_ACCEL_DEV_NAME },
|
|
{ LSM330DL_ACCEL_DEV_NAME },
|
|
{ LSM330DLC_ACCEL_DEV_NAME },
|
|
{ LIS331DLH_ACCEL_DEV_NAME },
|
|
{ LSM330_ACCEL_DEV_NAME },
|
|
{ LSM303AGR_ACCEL_DEV_NAME },
|
|
{ LIS2DH12_ACCEL_DEV_NAME },
|
|
{ LIS3L02DQ_ACCEL_DEV_NAME },
|
|
{ LNG2DM_ACCEL_DEV_NAME },
|
|
{ H3LIS331DL_ACCEL_DEV_NAME },
|
|
{ LIS331DL_ACCEL_DEV_NAME },
|
|
{ LIS3LV02DL_ACCEL_DEV_NAME },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(spi, st_accel_id_table);
|
|
|
|
static struct spi_driver st_accel_driver = {
|
|
.driver = {
|
|
.name = "st-accel-spi",
|
|
.of_match_table = of_match_ptr(st_accel_of_match),
|
|
},
|
|
.probe = st_accel_spi_probe,
|
|
.remove = st_accel_spi_remove,
|
|
.id_table = st_accel_id_table,
|
|
};
|
|
module_spi_driver(st_accel_driver);
|
|
|
|
MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
|
|
MODULE_DESCRIPTION("STMicroelectronics accelerometers spi driver");
|
|
MODULE_LICENSE("GPL v2");
|