| 1 | // SPDX-License-Identifier: GPL-2.0-only |
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| 2 | /* |
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| 3 | * 3-axis magnetometer driver supporting following I2C Bosch-Sensortec chips: |
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| 4 | * - BMC150 |
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| 5 | * - BMC156 |
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| 6 | * - BMM150 |
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| 7 | * |
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| 8 | * Copyright (c) 2016, Intel Corporation. |
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| 9 | */ |
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| 10 | #include <linux/device.h> |
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| 11 | #include <linux/mod_devicetable.h> |
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| 12 | #include <linux/i2c.h> |
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| 13 | #include <linux/module.h> |
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| 14 | #include <linux/acpi.h> |
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| 15 | #include <linux/regmap.h> |
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| 16 | |
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| 17 | #include "bmc150_magn.h" |
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| 18 | |
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| 19 | static int bmc150_magn_i2c_probe(struct i2c_client *client) |
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| 20 | { |
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| 21 | const struct i2c_device_id *id = i2c_client_get_device_id(client); |
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| 22 | struct regmap *regmap; |
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| 23 | const char *name = NULL; |
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| 24 | |
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| 25 | regmap = devm_regmap_init_i2c(client, &bmc150_magn_regmap_config); |
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| 26 | if (IS_ERR(ptr: regmap)) { |
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| 27 | dev_err(&client->dev, "Failed to initialize i2c regmap\n" ); |
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| 28 | return PTR_ERR(ptr: regmap); |
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| 29 | } |
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| 30 | |
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| 31 | if (id) |
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| 32 | name = id->name; |
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| 33 | |
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| 34 | return bmc150_magn_probe(dev: &client->dev, regmap, irq: client->irq, name); |
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| 35 | } |
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| 36 | |
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| 37 | static void bmc150_magn_i2c_remove(struct i2c_client *client) |
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| 38 | { |
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| 39 | bmc150_magn_remove(dev: &client->dev); |
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| 40 | } |
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| 41 | |
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| 42 | static const struct acpi_device_id bmc150_magn_acpi_match[] = { |
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| 43 | {"BMC150B" , 0}, |
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| 44 | {"BMC156B" , 0}, |
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| 45 | {"BMM150B" , 0}, |
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| 46 | {}, |
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| 47 | }; |
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| 48 | MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match); |
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| 49 | |
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| 50 | static const struct i2c_device_id bmc150_magn_i2c_id[] = { |
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| 51 | {"bmc150_magn" , 0}, |
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| 52 | {"bmc156_magn" , 0}, |
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| 53 | {"bmm150_magn" , 0}, |
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| 54 | {} |
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| 55 | }; |
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| 56 | MODULE_DEVICE_TABLE(i2c, bmc150_magn_i2c_id); |
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| 57 | |
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| 58 | static const struct of_device_id bmc150_magn_of_match[] = { |
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| 59 | { .compatible = "bosch,bmc150_magn" }, |
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| 60 | { .compatible = "bosch,bmc156_magn" }, |
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| 61 | { .compatible = "bosch,bmm150_magn" }, /* deprecated compatible */ |
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| 62 | { .compatible = "bosch,bmm150" }, |
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| 63 | { } |
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| 64 | }; |
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| 65 | MODULE_DEVICE_TABLE(of, bmc150_magn_of_match); |
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| 66 | |
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| 67 | static struct i2c_driver bmc150_magn_driver = { |
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| 68 | .driver = { |
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| 69 | .name = "bmc150_magn_i2c" , |
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| 70 | .of_match_table = bmc150_magn_of_match, |
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| 71 | .acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match), |
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| 72 | .pm = &bmc150_magn_pm_ops, |
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| 73 | }, |
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| 74 | .probe = bmc150_magn_i2c_probe, |
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| 75 | .remove = bmc150_magn_i2c_remove, |
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| 76 | .id_table = bmc150_magn_i2c_id, |
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| 77 | }; |
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| 78 | module_i2c_driver(bmc150_magn_driver); |
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| 79 | |
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| 80 | MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com" ); |
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| 81 | MODULE_LICENSE("GPL v2" ); |
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| 82 | MODULE_DESCRIPTION("BMC150 I2C magnetometer driver" ); |
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| 83 | MODULE_IMPORT_NS(IIO_BMC150_MAGN); |
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| 84 | |
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