1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * STMicroelectronics st_lsm6dsx i2c driver
4 *
5 * Copyright 2016 STMicroelectronics Inc.
6 *
7 * Lorenzo Bianconi <lorenzo.bianconi@st.com>
8 * Denis Ciocca <denis.ciocca@st.com>
9 */
10
11#include <linux/kernel.h>
12#include <linux/module.h>
13#include <linux/i2c.h>
14#include <linux/slab.h>
15#include <linux/regmap.h>
16
17#include "st_lsm6dsx.h"
18
19static const struct regmap_config st_lsm6dsx_i2c_regmap_config = {
20	.reg_bits = 8,
21	.val_bits = 8,
22};
23
24static int st_lsm6dsx_i2c_probe(struct i2c_client *client)
25{
26	int hw_id;
27	struct regmap *regmap;
28
29	hw_id = (kernel_ulong_t)device_get_match_data(&client->dev);
30	if (!hw_id)
31		hw_id = i2c_client_get_device_id(client)->driver_data;
32	if (!hw_id)
33		return -EINVAL;
34
35	regmap = devm_regmap_init_i2c(client, &st_lsm6dsx_i2c_regmap_config);
36	if (IS_ERR(regmap)) {
37		dev_err(&client->dev, "Failed to register i2c regmap %ld\n", PTR_ERR(regmap));
38		return PTR_ERR(regmap);
39	}
40
41	return st_lsm6dsx_probe(&client->dev, client->irq, hw_id, regmap);
42}
43
44static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
45	{
46		.compatible = "st,lsm6ds3",
47		.data = (void *)ST_LSM6DS3_ID,
48	},
49	{
50		.compatible = "st,lsm6ds3h",
51		.data = (void *)ST_LSM6DS3H_ID,
52	},
53	{
54		.compatible = "st,lsm6dsl",
55		.data = (void *)ST_LSM6DSL_ID,
56	},
57	{
58		.compatible = "st,lsm6dsm",
59		.data = (void *)ST_LSM6DSM_ID,
60	},
61	{
62		.compatible = "st,ism330dlc",
63		.data = (void *)ST_ISM330DLC_ID,
64	},
65	{
66		.compatible = "st,lsm6dso",
67		.data = (void *)ST_LSM6DSO_ID,
68	},
69	{
70		.compatible = "st,asm330lhh",
71		.data = (void *)ST_ASM330LHH_ID,
72	},
73	{
74		.compatible = "st,lsm6dsox",
75		.data = (void *)ST_LSM6DSOX_ID,
76	},
77	{
78		.compatible = "st,lsm6dsr",
79		.data = (void *)ST_LSM6DSR_ID,
80	},
81	{
82		.compatible = "st,lsm6ds3tr-c",
83		.data = (void *)ST_LSM6DS3TRC_ID,
84	},
85	{
86		.compatible = "st,ism330dhcx",
87		.data = (void *)ST_ISM330DHCX_ID,
88	},
89	{
90		.compatible = "st,lsm9ds1-imu",
91		.data = (void *)ST_LSM9DS1_ID,
92	},
93	{
94		.compatible = "st,lsm6ds0",
95		.data = (void *)ST_LSM6DS0_ID,
96	},
97	{
98		.compatible = "st,lsm6dsrx",
99		.data = (void *)ST_LSM6DSRX_ID,
100	},
101	{
102		.compatible = "st,lsm6dst",
103		.data = (void *)ST_LSM6DST_ID,
104	},
105	{
106		.compatible = "st,lsm6dsop",
107		.data = (void *)ST_LSM6DSOP_ID,
108	},
109	{
110		.compatible = "st,asm330lhhx",
111		.data = (void *)ST_ASM330LHHX_ID,
112	},
113	{
114		.compatible = "st,lsm6dstx",
115		.data = (void *)ST_LSM6DSTX_ID,
116	},
117	{
118		.compatible = "st,lsm6dsv",
119		.data = (void *)ST_LSM6DSV_ID,
120	},
121	{
122		.compatible = "st,lsm6dsv16x",
123		.data = (void *)ST_LSM6DSV16X_ID,
124	},
125	{
126		.compatible = "st,lsm6dso16is",
127		.data = (void *)ST_LSM6DSO16IS_ID,
128	},
129	{
130		.compatible = "st,ism330is",
131		.data = (void *)ST_ISM330IS_ID,
132	},
133	{
134		.compatible = "st,asm330lhb",
135		.data = (void *)ST_ASM330LHB_ID,
136	},
137	{
138		.compatible = "st,asm330lhhxg1",
139		.data = (void *)ST_ASM330LHHXG1_ID,
140	},
141	{},
142};
143MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
144
145static const struct acpi_device_id st_lsm6dsx_i2c_acpi_match[] = {
146	{ "SMO8B30", ST_LSM6DS3TRC_ID, },
147	{}
148};
149MODULE_DEVICE_TABLE(acpi, st_lsm6dsx_i2c_acpi_match);
150
151static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
152	{ ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
153	{ ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
154	{ ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
155	{ ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
156	{ ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID },
157	{ ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID },
158	{ ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID },
159	{ ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID },
160	{ ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID },
161	{ ST_LSM6DS3TRC_DEV_NAME, ST_LSM6DS3TRC_ID },
162	{ ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID },
163	{ ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
164	{ ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
165	{ ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
166	{ ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID },
167	{ ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID },
168	{ ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
169	{ ST_LSM6DSTX_DEV_NAME, ST_LSM6DSTX_ID },
170	{ ST_LSM6DSV_DEV_NAME, ST_LSM6DSV_ID },
171	{ ST_LSM6DSV16X_DEV_NAME, ST_LSM6DSV16X_ID },
172	{ ST_LSM6DSO16IS_DEV_NAME, ST_LSM6DSO16IS_ID },
173	{ ST_ISM330IS_DEV_NAME, ST_ISM330IS_ID },
174	{ ST_ASM330LHB_DEV_NAME, ST_ASM330LHB_ID },
175	{ ST_ASM330LHHXG1_DEV_NAME, ST_ASM330LHHXG1_ID },
176	{},
177};
178MODULE_DEVICE_TABLE(i2c, st_lsm6dsx_i2c_id_table);
179
180static struct i2c_driver st_lsm6dsx_driver = {
181	.driver = {
182		.name = "st_lsm6dsx_i2c",
183		.pm = pm_sleep_ptr(&st_lsm6dsx_pm_ops),
184		.of_match_table = st_lsm6dsx_i2c_of_match,
185		.acpi_match_table = st_lsm6dsx_i2c_acpi_match,
186	},
187	.probe = st_lsm6dsx_i2c_probe,
188	.id_table = st_lsm6dsx_i2c_id_table,
189};
190module_i2c_driver(st_lsm6dsx_driver);
191
192MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
193MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
194MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx i2c driver");
195MODULE_LICENSE("GPL v2");
196MODULE_IMPORT_NS(IIO_LSM6DSX);
197