1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * 3-axis magnetometer driver supporting following I2C Bosch-Sensortec chips: 4 * - BMC150 5 * - BMC156 6 * - BMM150 7 * 8 * Copyright (c) 2016, Intel Corporation. 9 */ 10 #include <linux/device.h> 11 #include <linux/mod_devicetable.h> 12 #include <linux/i2c.h> 13 #include <linux/module.h> 14 #include <linux/acpi.h> 15 #include <linux/regmap.h> 16 17 #include "bmc150_magn.h" 18 19 static int bmc150_magn_i2c_probe(struct i2c_client *client, 20 const struct i2c_device_id *id) 21 { 22 struct regmap *regmap; 23 const char *name = NULL; 24 25 regmap = devm_regmap_init_i2c(client, &bmc150_magn_regmap_config); 26 if (IS_ERR(regmap)) { 27 dev_err(&client->dev, "Failed to initialize i2c regmap\n"); 28 return PTR_ERR(regmap); 29 } 30 31 if (id) 32 name = id->name; 33 34 return bmc150_magn_probe(&client->dev, regmap, client->irq, name); 35 } 36 37 static int bmc150_magn_i2c_remove(struct i2c_client *client) 38 { 39 return bmc150_magn_remove(&client->dev); 40 } 41 42 static const struct acpi_device_id bmc150_magn_acpi_match[] = { 43 {"BMC150B", 0}, 44 {"BMC156B", 0}, 45 {"BMM150B", 0}, 46 {}, 47 }; 48 MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match); 49 50 static const struct i2c_device_id bmc150_magn_i2c_id[] = { 51 {"bmc150_magn", 0}, 52 {"bmc156_magn", 0}, 53 {"bmm150_magn", 0}, 54 {} 55 }; 56 MODULE_DEVICE_TABLE(i2c, bmc150_magn_i2c_id); 57 58 static const struct of_device_id bmc150_magn_of_match[] = { 59 { .compatible = "bosch,bmc150_magn" }, 60 { .compatible = "bosch,bmc156_magn" }, 61 { .compatible = "bosch,bmm150_magn" }, /* deprecated compatible */ 62 { .compatible = "bosch,bmm150" }, 63 { } 64 }; 65 MODULE_DEVICE_TABLE(of, bmc150_magn_of_match); 66 67 static struct i2c_driver bmc150_magn_driver = { 68 .driver = { 69 .name = "bmc150_magn_i2c", 70 .of_match_table = bmc150_magn_of_match, 71 .acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match), 72 .pm = &bmc150_magn_pm_ops, 73 }, 74 .probe = bmc150_magn_i2c_probe, 75 .remove = bmc150_magn_i2c_remove, 76 .id_table = bmc150_magn_i2c_id, 77 }; 78 module_i2c_driver(bmc150_magn_driver); 79 80 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com"); 81 MODULE_LICENSE("GPL v2"); 82 MODULE_DESCRIPTION("BMC150 I2C magnetometer driver"); 83