1// SPDX-License-Identifier: GPL-2.0-only
2/*
3* Copyright (C) 2015 Intel Corporation Inc.
4*/
5#include <linux/mod_devicetable.h>
6#include <linux/module.h>
7#include <linux/property.h>
8#include <linux/spi/spi.h>
9#include <linux/regmap.h>
10#include <linux/iio/iio.h>
11#include "inv_mpu_iio.h"
12
13static const struct regmap_config inv_mpu_regmap_config = {
14	.reg_bits = 8,
15	.val_bits = 8,
16};
17
18static int inv_mpu_i2c_disable(struct iio_dev *indio_dev)
19{
20	struct inv_mpu6050_state *st = iio_priv(indio_dev);
21	int ret = 0;
22
23	if (st->reg->i2c_if) {
24		ret = regmap_write(st->map, st->reg->i2c_if,
25				   INV_ICM20602_BIT_I2C_IF_DIS);
26	} else {
27		st->chip_config.user_ctrl |= INV_MPU6050_BIT_I2C_IF_DIS;
28		ret = regmap_write(st->map, st->reg->user_ctrl,
29				   st->chip_config.user_ctrl);
30	}
31
32	return ret;
33}
34
35static int inv_mpu_probe(struct spi_device *spi)
36{
37	const void *match;
38	struct regmap *regmap;
39	const struct spi_device_id *spi_id;
40	const char *name = NULL;
41	enum inv_devices chip_type;
42
43	if ((spi_id = spi_get_device_id(spi))) {
44		chip_type = (enum inv_devices)spi_id->driver_data;
45		name = spi_id->name;
46	} else if ((match = device_get_match_data(&spi->dev))) {
47		chip_type = (uintptr_t)match;
48		name = dev_name(&spi->dev);
49	} else {
50		return -ENODEV;
51	}
52
53	regmap = devm_regmap_init_spi(spi, &inv_mpu_regmap_config);
54	if (IS_ERR(regmap)) {
55		dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
56			regmap);
57		return PTR_ERR(regmap);
58	}
59
60	return inv_mpu_core_probe(regmap, spi->irq, name,
61				  inv_mpu_i2c_disable, chip_type);
62}
63
64/*
65 * device id table is used to identify what device can be
66 * supported by this driver
67 */
68static const struct spi_device_id inv_mpu_id[] = {
69	{"mpu6000", INV_MPU6000},
70	{"mpu6500", INV_MPU6500},
71	{"mpu6515", INV_MPU6515},
72	{"mpu6880", INV_MPU6880},
73	{"mpu9250", INV_MPU9250},
74	{"mpu9255", INV_MPU9255},
75	{"icm20608", INV_ICM20608},
76	{"icm20608d", INV_ICM20608D},
77	{"icm20609", INV_ICM20609},
78	{"icm20689", INV_ICM20689},
79	{"icm20600", INV_ICM20600},
80	{"icm20602", INV_ICM20602},
81	{"icm20690", INV_ICM20690},
82	{"iam20680", INV_IAM20680},
83	{}
84};
85
86MODULE_DEVICE_TABLE(spi, inv_mpu_id);
87
88static const struct of_device_id inv_of_match[] = {
89	{
90		.compatible = "invensense,mpu6000",
91		.data = (void *)INV_MPU6000
92	},
93	{
94		.compatible = "invensense,mpu6500",
95		.data = (void *)INV_MPU6500
96	},
97	{
98		.compatible = "invensense,mpu6515",
99		.data = (void *)INV_MPU6515
100	},
101	{
102		.compatible = "invensense,mpu6880",
103		.data = (void *)INV_MPU6880
104	},
105	{
106		.compatible = "invensense,mpu9250",
107		.data = (void *)INV_MPU9250
108	},
109	{
110		.compatible = "invensense,mpu9255",
111		.data = (void *)INV_MPU9255
112	},
113	{
114		.compatible = "invensense,icm20608",
115		.data = (void *)INV_ICM20608
116	},
117	{
118		.compatible = "invensense,icm20608d",
119		.data = (void *)INV_ICM20608D
120	},
121	{
122		.compatible = "invensense,icm20609",
123		.data = (void *)INV_ICM20609
124	},
125	{
126		.compatible = "invensense,icm20689",
127		.data = (void *)INV_ICM20689
128	},
129	{
130		.compatible = "invensense,icm20600",
131		.data = (void *)INV_ICM20600
132	},
133	{
134		.compatible = "invensense,icm20602",
135		.data = (void *)INV_ICM20602
136	},
137	{
138		.compatible = "invensense,icm20690",
139		.data = (void *)INV_ICM20690
140	},
141	{
142		.compatible = "invensense,iam20680",
143		.data = (void *)INV_IAM20680
144	},
145	{ }
146};
147MODULE_DEVICE_TABLE(of, inv_of_match);
148
149static const struct acpi_device_id inv_acpi_match[] = {
150	{"INVN6000", INV_MPU6000},
151	{ },
152};
153MODULE_DEVICE_TABLE(acpi, inv_acpi_match);
154
155static struct spi_driver inv_mpu_driver = {
156	.probe		=	inv_mpu_probe,
157	.id_table	=	inv_mpu_id,
158	.driver = {
159		.of_match_table = inv_of_match,
160		.acpi_match_table = inv_acpi_match,
161		.name	=	"inv-mpu6000-spi",
162		.pm     =       pm_ptr(&inv_mpu_pmops),
163	},
164};
165
166module_spi_driver(inv_mpu_driver);
167
168MODULE_AUTHOR("Adriana Reus <adriana.reus@intel.com>");
169MODULE_DESCRIPTION("Invensense device MPU6000 driver");
170MODULE_LICENSE("GPL");
171MODULE_IMPORT_NS(IIO_MPU6050);
172