linux/drivers/iio/accel/st_accel_spi.c
Thomas Gleixner fda8d26e61 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 177
Based on 1 normalized pattern(s):

  licensed under the gpl 2

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 135 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170026.071193225@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:29:19 -07:00

168 lines
3.6 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* STMicroelectronics accelerometers driver
*
* Copyright 2012-2013 STMicroelectronics Inc.
*
* Denis Ciocca <denis.ciocca@st.com>
*/
#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,
},
{
.compatible = "st,lis2dw12",
.data = LIS2DW12_ACCEL_DEV_NAME,
},
{
.compatible = "st,lis3dhh",
.data = LIS3DHH_ACCEL_DEV_NAME,
},
{
.compatible = "st,lis3de",
.data = LIS3DE_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 },
{ LIS2DW12_ACCEL_DEV_NAME },
{ LIS3DHH_ACCEL_DEV_NAME },
{ LIS3DE_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");