1 // SPDX-License-Identifier: GPL-2.0-only 2 #include <linux/module.h> 3 #include <linux/i2c.h> 4 #include <linux/acpi.h> 5 #include <linux/of.h> 6 #include <linux/regmap.h> 7 8 #include "bmp280.h" 9 10 static int bmp280_i2c_probe(struct i2c_client *client, 11 const struct i2c_device_id *id) 12 { 13 struct regmap *regmap; 14 const struct regmap_config *regmap_config; 15 16 switch (id->driver_data) { 17 case BMP180_CHIP_ID: 18 regmap_config = &bmp180_regmap_config; 19 break; 20 case BMP280_CHIP_ID: 21 case BME280_CHIP_ID: 22 regmap_config = &bmp280_regmap_config; 23 break; 24 default: 25 return -EINVAL; 26 } 27 28 regmap = devm_regmap_init_i2c(client, regmap_config); 29 if (IS_ERR(regmap)) { 30 dev_err(&client->dev, "failed to allocate register map\n"); 31 return PTR_ERR(regmap); 32 } 33 34 return bmp280_common_probe(&client->dev, 35 regmap, 36 id->driver_data, 37 id->name, 38 client->irq); 39 } 40 41 static const struct acpi_device_id bmp280_acpi_i2c_match[] = { 42 {"BMP0280", BMP280_CHIP_ID }, 43 {"BMP0180", BMP180_CHIP_ID }, 44 {"BMP0085", BMP180_CHIP_ID }, 45 {"BME0280", BME280_CHIP_ID }, 46 { }, 47 }; 48 MODULE_DEVICE_TABLE(acpi, bmp280_acpi_i2c_match); 49 50 #ifdef CONFIG_OF 51 static const struct of_device_id bmp280_of_i2c_match[] = { 52 { .compatible = "bosch,bme280", .data = (void *)BME280_CHIP_ID }, 53 { .compatible = "bosch,bmp280", .data = (void *)BMP280_CHIP_ID }, 54 { .compatible = "bosch,bmp180", .data = (void *)BMP180_CHIP_ID }, 55 { .compatible = "bosch,bmp085", .data = (void *)BMP180_CHIP_ID }, 56 { }, 57 }; 58 MODULE_DEVICE_TABLE(of, bmp280_of_i2c_match); 59 #else 60 #define bmp280_of_i2c_match NULL 61 #endif 62 63 static const struct i2c_device_id bmp280_i2c_id[] = { 64 {"bmp280", BMP280_CHIP_ID }, 65 {"bmp180", BMP180_CHIP_ID }, 66 {"bmp085", BMP180_CHIP_ID }, 67 {"bme280", BME280_CHIP_ID }, 68 { }, 69 }; 70 MODULE_DEVICE_TABLE(i2c, bmp280_i2c_id); 71 72 static struct i2c_driver bmp280_i2c_driver = { 73 .driver = { 74 .name = "bmp280", 75 .acpi_match_table = ACPI_PTR(bmp280_acpi_i2c_match), 76 .of_match_table = of_match_ptr(bmp280_of_i2c_match), 77 .pm = &bmp280_dev_pm_ops, 78 }, 79 .probe = bmp280_i2c_probe, 80 .id_table = bmp280_i2c_id, 81 }; 82 module_i2c_driver(bmp280_i2c_driver); 83 84 MODULE_AUTHOR("Vlad Dogaru <vlad.dogaru@intel.com>"); 85 MODULE_DESCRIPTION("Driver for Bosch Sensortec BMP180/BMP280 pressure and temperature sensor"); 86 MODULE_LICENSE("GPL v2"); 87