1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * 3-axis accelerometer driver supporting SPI Bosch-Sensortec accelerometer chip
4 * Copyright © 2015 Pengutronix, Markus Pargmann <mpa@pengutronix.de>
5 */
6
7 #include <linux/device.h>
8 #include <linux/mod_devicetable.h>
9 #include <linux/module.h>
10 #include <linux/acpi.h>
11 #include <linux/regmap.h>
12 #include <linux/spi/spi.h>
13
14 #include "bmc150-accel.h"
15
bmc150_accel_probe(struct spi_device * spi)16 static int bmc150_accel_probe(struct spi_device *spi)
17 {
18 struct regmap *regmap;
19 const char *name = NULL;
20 enum bmc150_type type = BOSCH_UNKNOWN;
21 const struct spi_device_id *id = spi_get_device_id(spi);
22
23 regmap = devm_regmap_init_spi(spi, &bmc150_regmap_conf);
24 if (IS_ERR(regmap)) {
25 dev_err(&spi->dev, "Failed to initialize spi regmap\n");
26 return PTR_ERR(regmap);
27 }
28
29 if (id) {
30 name = id->name;
31 type = id->driver_data;
32 }
33
34 return bmc150_accel_core_probe(&spi->dev, regmap, spi->irq, type, name,
35 true);
36 }
37
bmc150_accel_remove(struct spi_device * spi)38 static int bmc150_accel_remove(struct spi_device *spi)
39 {
40 bmc150_accel_core_remove(&spi->dev);
41
42 return 0;
43 }
44
45 static const struct acpi_device_id bmc150_accel_acpi_match[] = {
46 {"BMA0255"},
47 {"BMA0280"},
48 {"BMA222"},
49 {"BMA222E"},
50 {"BMA250E"},
51 {"BMC150A"},
52 {"BMI055A"},
53 {"BSBA0150"},
54 { },
55 };
56 MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
57
58 static const struct spi_device_id bmc150_accel_id[] = {
59 {"bma222"},
60 {"bma222e"},
61 {"bma250e"},
62 {"bma253"},
63 {"bma255"},
64 {"bma280"},
65 {"bmc150_accel"},
66 {"bmc156_accel", BOSCH_BMC156},
67 {"bmi055_accel"},
68 {}
69 };
70 MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
71
72 static struct spi_driver bmc150_accel_driver = {
73 .driver = {
74 .name = "bmc150_accel_spi",
75 .acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
76 .pm = &bmc150_accel_pm_ops,
77 },
78 .probe = bmc150_accel_probe,
79 .remove = bmc150_accel_remove,
80 .id_table = bmc150_accel_id,
81 };
82 module_spi_driver(bmc150_accel_driver);
83
84 MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
85 MODULE_LICENSE("GPL v2");
86 MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");
87