1 /* 2 * 3-axis magnetometer driver support following SPI Bosch-Sensortec chips: 3 * - BMC150 4 * - BMC156 5 * 6 * Copyright (c) 2016, Intel Corporation. 7 * 8 * This file is subject to the terms and conditions of version 2 of 9 * the GNU General Public License. See the file COPYING in the main 10 * directory of this archive for more details. 11 */ 12 #include <linux/module.h> 13 #include <linux/mod_devicetable.h> 14 #include <linux/spi/spi.h> 15 #include <linux/acpi.h> 16 #include <linux/regmap.h> 17 18 #include "bmc150_magn.h" 19 20 static int bmc150_magn_spi_probe(struct spi_device *spi) 21 { 22 struct regmap *regmap; 23 const struct spi_device_id *id = spi_get_device_id(spi); 24 25 regmap = devm_regmap_init_spi(spi, &bmc150_magn_regmap_config); 26 if (IS_ERR(regmap)) { 27 dev_err(&spi->dev, "Failed to register spi regmap %d\n", 28 (int)PTR_ERR(regmap)); 29 return PTR_ERR(regmap); 30 } 31 return bmc150_magn_probe(&spi->dev, regmap, spi->irq, id->name); 32 } 33 34 static int bmc150_magn_spi_remove(struct spi_device *spi) 35 { 36 bmc150_magn_remove(&spi->dev); 37 38 return 0; 39 } 40 41 static const struct spi_device_id bmc150_magn_spi_id[] = { 42 {"bmc150_magn", 0}, 43 {"bmc156_magn", 0}, 44 {} 45 }; 46 MODULE_DEVICE_TABLE(spi, bmc150_magn_spi_id); 47 48 static const struct acpi_device_id bmc150_magn_acpi_match[] = { 49 {"BMC150B", 0}, 50 {"BMC156B", 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