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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);