Commit | Line | Data |
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55637c38 MP |
1 | /* |
2 | * 3-axis accelerometer driver supporting following I2C Bosch-Sensortec chips: | |
3 | * - BMC150 | |
4 | * - BMI055 | |
5 | * - BMA255 | |
6 | * - BMA250E | |
7 | * - BMA222E | |
8 | * - BMA280 | |
9 | * | |
10 | * Copyright (c) 2014, Intel Corporation. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify it | |
13 | * under the terms and conditions of the GNU General Public License, | |
14 | * version 2, as published by the Free Software Foundation. | |
15 | * | |
16 | * This program is distributed in the hope it will be useful, but WITHOUT | |
17 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
18 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
19 | * more details. | |
20 | */ | |
21 | ||
22 | #include <linux/device.h> | |
23 | #include <linux/mod_devicetable.h> | |
24 | #include <linux/i2c.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/acpi.h> | |
27 | #include <linux/regmap.h> | |
28 | ||
29 | #include "bmc150-accel.h" | |
30 | ||
31 | static const struct regmap_config bmc150_i2c_regmap_conf = { | |
32 | .reg_bits = 8, | |
33 | .val_bits = 8, | |
34 | }; | |
35 | ||
36 | static int bmc150_accel_probe(struct i2c_client *client, | |
37 | const struct i2c_device_id *id) | |
38 | { | |
39 | struct regmap *regmap; | |
40 | const char *name = NULL; | |
41 | bool block_supported = | |
42 | i2c_check_functionality(client->adapter, I2C_FUNC_I2C) || | |
43 | i2c_check_functionality(client->adapter, | |
44 | I2C_FUNC_SMBUS_READ_I2C_BLOCK); | |
45 | ||
46 | regmap = devm_regmap_init_i2c(client, &bmc150_i2c_regmap_conf); | |
47 | if (IS_ERR(regmap)) { | |
48 | dev_err(&client->dev, "Failed to initialize i2c regmap\n"); | |
49 | return PTR_ERR(regmap); | |
50 | } | |
51 | ||
52 | if (id) | |
53 | name = id->name; | |
54 | ||
55 | return bmc150_accel_core_probe(&client->dev, regmap, client->irq, name, | |
56 | block_supported); | |
57 | } | |
58 | ||
59 | static int bmc150_accel_remove(struct i2c_client *client) | |
60 | { | |
61 | return bmc150_accel_core_remove(&client->dev); | |
62 | } | |
63 | ||
64 | static const struct acpi_device_id bmc150_accel_acpi_match[] = { | |
65 | {"BSBA0150", bmc150}, | |
66 | {"BMC150A", bmc150}, | |
67 | {"BMI055A", bmi055}, | |
68 | {"BMA0255", bma255}, | |
69 | {"BMA250E", bma250e}, | |
70 | {"BMA222E", bma222e}, | |
71 | {"BMA0280", bma280}, | |
72 | { }, | |
73 | }; | |
74 | MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match); | |
75 | ||
76 | static const struct i2c_device_id bmc150_accel_id[] = { | |
77 | {"bmc150_accel", bmc150}, | |
78 | {"bmi055_accel", bmi055}, | |
79 | {"bma255", bma255}, | |
80 | {"bma250e", bma250e}, | |
81 | {"bma222e", bma222e}, | |
82 | {"bma280", bma280}, | |
83 | {} | |
84 | }; | |
85 | ||
86 | MODULE_DEVICE_TABLE(i2c, bmc150_accel_id); | |
87 | ||
88 | static struct i2c_driver bmc150_accel_driver = { | |
89 | .driver = { | |
90 | .name = "bmc150_accel_i2c", | |
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 | }; | |
98 | module_i2c_driver(bmc150_accel_driver); | |
99 | ||
100 | MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>"); | |
101 | MODULE_LICENSE("GPL v2"); | |
102 | MODULE_DESCRIPTION("BMC150 I2C accelerometer driver"); |