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