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