1 // SPDX-License-Identifier: GPL-2.0-only 2 #include <linux/i2c.h> 3 #include <linux/regmap.h> 4 #include <linux/iio/iio.h> 5 #include <linux/module.h> 6 #include <linux/mod_devicetable.h> 7 8 #include "bmg160.h" 9 10 static const struct regmap_config bmg160_regmap_i2c_conf = { 11 .reg_bits = 8, 12 .val_bits = 8, 13 .max_register = 0x3f 14 }; 15 16 static int bmg160_i2c_probe(struct i2c_client *client) 17 { 18 const struct i2c_device_id *id = i2c_client_get_device_id(client); 19 struct regmap *regmap; 20 const char *name; 21 22 regmap = devm_regmap_init_i2c(client, &bmg160_regmap_i2c_conf); 23 if (IS_ERR(regmap)) { 24 dev_err(&client->dev, "Failed to register i2c regmap: %pe\n", 25 regmap); 26 return PTR_ERR(regmap); 27 } 28 29 if (id) 30 name = id->name; 31 else 32 name = iio_get_acpi_device_name(&client->dev); 33 34 return bmg160_core_probe(&client->dev, regmap, client->irq, name); 35 } 36 37 static void bmg160_i2c_remove(struct i2c_client *client) 38 { 39 bmg160_core_remove(&client->dev); 40 } 41 42 static const struct acpi_device_id bmg160_acpi_match[] = { 43 {"BMG0160", 0}, 44 {}, 45 }; 46 47 MODULE_DEVICE_TABLE(acpi, bmg160_acpi_match); 48 49 static const struct i2c_device_id bmg160_i2c_id[] = { 50 { "bmg160" }, 51 { "bmi055_gyro" }, 52 { "bmi088_gyro" }, 53 {} 54 }; 55 56 MODULE_DEVICE_TABLE(i2c, bmg160_i2c_id); 57 58 static const struct of_device_id bmg160_of_match[] = { 59 { .compatible = "bosch,bmg160" }, 60 { .compatible = "bosch,bmi055_gyro" }, 61 { } 62 }; 63 64 MODULE_DEVICE_TABLE(of, bmg160_of_match); 65 66 static struct i2c_driver bmg160_i2c_driver = { 67 .driver = { 68 .name = "bmg160_i2c", 69 .acpi_match_table = bmg160_acpi_match, 70 .of_match_table = bmg160_of_match, 71 .pm = &bmg160_pm_ops, 72 }, 73 .probe = bmg160_i2c_probe, 74 .remove = bmg160_i2c_remove, 75 .id_table = bmg160_i2c_id, 76 }; 77 module_i2c_driver(bmg160_i2c_driver); 78 79 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>"); 80 MODULE_LICENSE("GPL v2"); 81 MODULE_DESCRIPTION("BMG160 I2C Gyro driver"); 82