cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bmp280-i2c.c (1865B)


      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
      8static 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
     39static 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};
     46MODULE_DEVICE_TABLE(of, bmp280_of_i2c_match);
     47
     48static 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};
     55MODULE_DEVICE_TABLE(i2c, bmp280_i2c_id);
     56
     57static struct i2c_driver bmp280_i2c_driver = {
     58	.driver = {
     59		.name	= "bmp280",
     60		.of_match_table = bmp280_of_i2c_match,
     61		.pm = pm_ptr(&bmp280_dev_pm_ops),
     62	},
     63	.probe		= bmp280_i2c_probe,
     64	.id_table	= bmp280_i2c_id,
     65};
     66module_i2c_driver(bmp280_i2c_driver);
     67
     68MODULE_AUTHOR("Vlad Dogaru <vlad.dogaru@intel.com>");
     69MODULE_DESCRIPTION("Driver for Bosch Sensortec BMP180/BMP280 pressure and temperature sensor");
     70MODULE_LICENSE("GPL v2");