1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2015 Intel Corporation Inc.
*/
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/property.h>
#include <linux/spi/spi.h>
#include <linux/regmap.h>
#include <linux/iio/iio.h>
#include "inv_mpu_iio.h"
static const struct regmap_config inv_mpu_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
};
static int inv_mpu_i2c_disable(struct iio_dev *indio_dev)
{
struct inv_mpu6050_state *st = iio_priv(indio_dev);
int ret = 0;
if (st->reg->i2c_if) {
ret = regmap_write(st->map, st->reg->i2c_if,
INV_ICM20602_BIT_I2C_IF_DIS);
} else {
st->chip_config.user_ctrl |= INV_MPU6050_BIT_I2C_IF_DIS;
ret = regmap_write(st->map, st->reg->user_ctrl,
st->chip_config.user_ctrl);
}
return ret;
}
static int inv_mpu_probe(struct spi_device *spi)
{
const void *match;
struct regmap *regmap;
const struct spi_device_id *spi_id;
const char *name = NULL;
enum inv_devices chip_type;
if ((spi_id = spi_get_device_id(spi))) {
chip_type = (enum inv_devices)spi_id->driver_data;
name = spi_id->name;
} else if ((match = device_get_match_data(&spi->dev))) {
chip_type = (uintptr_t)match;
name = dev_name(&spi->dev);
} else {
return -ENODEV;
}
regmap = devm_regmap_init_spi(spi, &inv_mpu_regmap_config);
if (IS_ERR(regmap)) {
dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
regmap);
return PTR_ERR(regmap);
}
return inv_mpu_core_probe(regmap, spi->irq, name,
inv_mpu_i2c_disable, chip_type);
}
/*
* device id table is used to identify what device can be
* supported by this driver
*/
static const struct spi_device_id inv_mpu_id[] = {
{"mpu6000", INV_MPU6000},
{"mpu6500", INV_MPU6500},
{"mpu6515", INV_MPU6515},
{"mpu6880", INV_MPU6880},
{"mpu9250", INV_MPU9250},
{"mpu9255", INV_MPU9255},
{"icm20608", INV_ICM20608},
{"icm20608d", INV_ICM20608D},
{"icm20609", INV_ICM20609},
{"icm20689", INV_ICM20689},
{"icm20602", INV_ICM20602},
{"icm20690", INV_ICM20690},
{"iam20680", INV_IAM20680},
{}
};
MODULE_DEVICE_TABLE(spi, inv_mpu_id);
static const struct of_device_id inv_of_match[] = {
{
.compatible = "invensense,mpu6000",
.data = (void *)INV_MPU6000
},
{
.compatible = "invensense,mpu6500",
.data = (void *)INV_MPU6500
},
{
.compatible = "invensense,mpu6515",
.data = (void *)INV_MPU6515
},
{
.compatible = "invensense,mpu6880",
.data = (void *)INV_MPU6880
},
{
.compatible = "invensense,mpu9250",
.data = (void *)INV_MPU9250
},
{
.compatible = "invensense,mpu9255",
.data = (void *)INV_MPU9255
},
{
.compatible = "invensense,icm20608",
.data = (void *)INV_ICM20608
},
{
.compatible = "invensense,icm20608d",
.data = (void *)INV_ICM20608D
},
{
.compatible = "invensense,icm20609",
.data = (void *)INV_ICM20609
},
{
.compatible = "invensense,icm20689",
.data = (void *)INV_ICM20689
},
{
.compatible = "invensense,icm20602",
.data = (void *)INV_ICM20602
},
{
.compatible = "invensense,icm20690",
.data = (void *)INV_ICM20690
},
{
.compatible = "invensense,iam20680",
.data = (void *)INV_IAM20680
},
{ }
};
MODULE_DEVICE_TABLE(of, inv_of_match);
static const struct acpi_device_id inv_acpi_match[] = {
{"INVN6000", INV_MPU6000},
{ },
};
MODULE_DEVICE_TABLE(acpi, inv_acpi_match);
static struct spi_driver inv_mpu_driver = {
.probe = inv_mpu_probe,
.id_table = inv_mpu_id,
.driver = {
.of_match_table = inv_of_match,
.acpi_match_table = inv_acpi_match,
.name = "inv-mpu6000-spi",
.pm = &inv_mpu_pmops,
},
};
module_spi_driver(inv_mpu_driver);
MODULE_AUTHOR("Adriana Reus <adriana.reus@intel.com>");
MODULE_DESCRIPTION("Invensense device MPU6000 driver");
MODULE_LICENSE("GPL");
|
