1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * 3-axis magnetometer driver support following SPI Bosch-Sensortec chips: 4 * - BMC150 5 * - BMC156 6 * - BMM150 7 * 8 * Copyright (c) 2016, Intel Corporation. 9 */ 10 #include <linux/module.h> 11 #include <linux/mod_devicetable.h> 12 #include <linux/spi/spi.h> 13 #include <linux/acpi.h> 14 #include <linux/regmap.h> 15 16 #include "bmc150_magn.h" 17 18 static int bmc150_magn_spi_probe(struct spi_device *spi) 19 { 20 struct regmap *regmap; 21 const struct spi_device_id *id = spi_get_device_id(spi); 22 23 regmap = devm_regmap_init_spi(spi, &bmc150_magn_regmap_config); 24 if (IS_ERR(regmap)) { 25 dev_err(&spi->dev, "Failed to register spi regmap %d\n", 26 (int)PTR_ERR(regmap)); 27 return PTR_ERR(regmap); 28 } 29 return bmc150_magn_probe(&spi->dev, regmap, spi->irq, id->name); 30 } 31 32 static int bmc150_magn_spi_remove(struct spi_device *spi) 33 { 34 bmc150_magn_remove(&spi->dev); 35 36 return 0; 37 } 38 39 static const struct spi_device_id bmc150_magn_spi_id[] = { 40 {"bmc150_magn", 0}, 41 {"bmc156_magn", 0}, 42 {"bmm150_magn", 0}, 43 {} 44 }; 45 MODULE_DEVICE_TABLE(spi, bmc150_magn_spi_id); 46 47 static const struct acpi_device_id bmc150_magn_acpi_match[] = { 48 {"BMC150B", 0}, 49 {"BMC156B", 0}, 50 {"BMM150B", 0}, 51 {}, 52 }; 53 MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match); 54 55 static struct spi_driver bmc150_magn_spi_driver = { 56 .probe = bmc150_magn_spi_probe, 57 .remove = bmc150_magn_spi_remove, 58 .id_table = bmc150_magn_spi_id, 59 .driver = { 60 .acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match), 61 .name = "bmc150_magn_spi", 62 }, 63 }; 64 module_spi_driver(bmc150_magn_spi_driver); 65 66 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com"); 67 MODULE_DESCRIPTION("BMC150 magnetometer SPI driver"); 68 MODULE_LICENSE("GPL v2"); 69