1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * 3-axis accelerometer driver supporting following I2C Bosch-Sensortec chips:
4 *  - BMC150
5 *  - BMI055
6 *  - BMA255
7 *  - BMA250E
8 *  - BMA222E
9 *  - BMA280
10 *
11 * Copyright (c) 2014, Intel Corporation.
12 */
13
14#include <linux/device.h>
15#include <linux/mod_devicetable.h>
16#include <linux/i2c.h>
17#include <linux/module.h>
18#include <linux/acpi.h>
19#include <linux/regmap.h>
20
21#include "bmc150-accel.h"
22
23static int bmc150_accel_probe(struct i2c_client *client,
24			      const struct i2c_device_id *id)
25{
26	struct regmap *regmap;
27	const char *name = NULL;
28	bool block_supported =
29		i2c_check_functionality(client->adapter, I2C_FUNC_I2C) ||
30		i2c_check_functionality(client->adapter,
31					I2C_FUNC_SMBUS_READ_I2C_BLOCK);
32
33	regmap = devm_regmap_init_i2c(client, &bmc150_regmap_conf);
34	if (IS_ERR(regmap)) {
35		dev_err(&client->dev, "Failed to initialize i2c regmap\n");
36		return PTR_ERR(regmap);
37	}
38
39	if (id)
40		name = id->name;
41
42	return bmc150_accel_core_probe(&client->dev, regmap, client->irq, name,
43				       block_supported);
44}
45
46static int bmc150_accel_remove(struct i2c_client *client)
47{
48	return bmc150_accel_core_remove(&client->dev);
49}
50
51static const struct acpi_device_id bmc150_accel_acpi_match[] = {
52	{"BSBA0150",	bmc150},
53	{"BMC150A",	bmc150},
54	{"BMI055A",	bmi055},
55	{"BMA0255",	bma255},
56	{"BMA250E",	bma250e},
57	{"BMA222E",	bma222e},
58	{"BMA0280",	bma280},
59	{"BOSC0200"},
60	{ },
61};
62MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
63
64static const struct i2c_device_id bmc150_accel_id[] = {
65	{"bmc150_accel",	bmc150},
66	{"bmi055_accel",	bmi055},
67	{"bma255",		bma255},
68	{"bma250e",		bma250e},
69	{"bma222e",		bma222e},
70	{"bma280",		bma280},
71	{}
72};
73
74MODULE_DEVICE_TABLE(i2c, bmc150_accel_id);
75
76static const struct of_device_id bmc150_accel_of_match[] = {
77	{ .compatible = "bosch,bmc150_accel" },
78	{ .compatible = "bosch,bmi055_accel" },
79	{ .compatible = "bosch,bma255" },
80	{ .compatible = "bosch,bma250e" },
81	{ .compatible = "bosch,bma222e" },
82	{ .compatible = "bosch,bma280" },
83	{ },
84};
85MODULE_DEVICE_TABLE(of, bmc150_accel_of_match);
86
87static struct i2c_driver bmc150_accel_driver = {
88	.driver = {
89		.name	= "bmc150_accel_i2c",
90		.of_match_table = bmc150_accel_of_match,
91		.acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
92		.pm	= &bmc150_accel_pm_ops,
93	},
94	.probe		= bmc150_accel_probe,
95	.remove		= bmc150_accel_remove,
96	.id_table	= bmc150_accel_id,
97};
98module_i2c_driver(bmc150_accel_driver);
99
100MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
101MODULE_LICENSE("GPL v2");
102MODULE_DESCRIPTION("BMC150 I2C accelerometer driver");
103