// SPDX-License-Identifier: GPL-2.0-only /* * STMicroelectronics LSM9DS0 IMU driver * * Copyright (C) 2021, Intel Corporation * * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/mod_devicetable.h> #include <linux/regmap.h> #include <linux/spi/spi.h> #include <linux/iio/common/st_sensors_spi.h> #include "st_lsm9ds0.h" static const struct of_device_id st_lsm9ds0_of_match[] = { { .compatible = "st,lsm9ds0-imu", .data = LSM9DS0_IMU_DEV_NAME, }, {} }; MODULE_DEVICE_TABLE(of, st_lsm9ds0_of_match); static const struct spi_device_id st_lsm9ds0_id_table[] = { { LSM9DS0_IMU_DEV_NAME }, {} }; MODULE_DEVICE_TABLE(spi, st_lsm9ds0_id_table); static const struct regmap_config st_lsm9ds0_regmap_config = { .reg_bits = 8, .val_bits = 8, .read_flag_mask = 0xc0, }; static int st_lsm9ds0_spi_probe(struct spi_device *spi) { struct device *dev = &spi->dev; struct st_lsm9ds0 *lsm9ds0; struct regmap *regmap; st_sensors_dev_name_probe(dev, spi->modalias, sizeof(spi->modalias)); lsm9ds0 = devm_kzalloc(dev, sizeof(*lsm9ds0), GFP_KERNEL); if (!lsm9ds0) return -ENOMEM; lsm9ds0->dev = dev; lsm9ds0->name = spi->modalias; lsm9ds0->irq = spi->irq; regmap = devm_regmap_init_spi(spi, &st_lsm9ds0_regmap_config); if (IS_ERR(regmap)) return PTR_ERR(regmap); spi_set_drvdata(spi, lsm9ds0); return st_lsm9ds0_probe(lsm9ds0, regmap); } static int st_lsm9ds0_spi_remove(struct spi_device *spi) { return st_lsm9ds0_remove(spi_get_drvdata(spi)); } static struct spi_driver st_lsm9ds0_driver = { .driver = { .name = "st-lsm9ds0-spi", .of_match_table = st_lsm9ds0_of_match, }, .probe = st_lsm9ds0_spi_probe, .remove = st_lsm9ds0_spi_remove, .id_table = st_lsm9ds0_id_table, }; module_spi_driver(st_lsm9ds0_driver); MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>"); MODULE_DESCRIPTION("STMicroelectronics LSM9DS0 IMU SPI driver"); MODULE_LICENSE("GPL v2");