1 // SPDX-License-Identifier: GPL-2.0-only
3 * STMicroelectronics LSM9DS0 IMU driver
5 * Copyright (C) 2021, Intel Corporation
7 * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
10 #include <linux/kernel.h>
11 #include <linux/module.h>
12 #include <linux/mod_devicetable.h>
13 #include <linux/regmap.h>
14 #include <linux/spi/spi.h>
16 #include <linux/iio/common/st_sensors_spi.h>
18 #include "st_lsm9ds0.h"
20 static const struct of_device_id st_lsm9ds0_of_match[] = {
22 .compatible = "st,lsm303d-imu",
23 .data = LSM303D_IMU_DEV_NAME,
26 .compatible = "st,lsm9ds0-imu",
27 .data = LSM9DS0_IMU_DEV_NAME,
31 MODULE_DEVICE_TABLE(of, st_lsm9ds0_of_match);
33 static const struct spi_device_id st_lsm9ds0_id_table[] = {
34 { LSM303D_IMU_DEV_NAME },
35 { LSM9DS0_IMU_DEV_NAME },
38 MODULE_DEVICE_TABLE(spi, st_lsm9ds0_id_table);
40 static const struct regmap_config st_lsm9ds0_regmap_config = {
43 .read_flag_mask = 0xc0,
46 static int st_lsm9ds0_spi_probe(struct spi_device *spi)
48 struct device *dev = &spi->dev;
49 struct st_lsm9ds0 *lsm9ds0;
50 struct regmap *regmap;
52 st_sensors_dev_name_probe(dev, spi->modalias, sizeof(spi->modalias));
54 lsm9ds0 = devm_kzalloc(dev, sizeof(*lsm9ds0), GFP_KERNEL);
59 lsm9ds0->name = spi->modalias;
60 lsm9ds0->irq = spi->irq;
62 regmap = devm_regmap_init_spi(spi, &st_lsm9ds0_regmap_config);
64 return PTR_ERR(regmap);
66 spi_set_drvdata(spi, lsm9ds0);
68 return st_lsm9ds0_probe(lsm9ds0, regmap);
71 static struct spi_driver st_lsm9ds0_driver = {
73 .name = "st-lsm9ds0-spi",
74 .of_match_table = st_lsm9ds0_of_match,
76 .probe = st_lsm9ds0_spi_probe,
77 .id_table = st_lsm9ds0_id_table,
79 module_spi_driver(st_lsm9ds0_driver);
81 MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
82 MODULE_DESCRIPTION("STMicroelectronics LSM9DS0 IMU SPI driver");
83 MODULE_LICENSE("GPL v2");
84 MODULE_IMPORT_NS(IIO_ST_SENSORS);