1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * STMicroelectronics st_lsm6dsx spi 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/spi/spi.h>
14 #include <linux/slab.h>
15 #include <linux/regmap.h>
16
17 #include "st_lsm6dsx.h"
18
19 static const struct regmap_config st_lsm6dsx_spi_regmap_config = {
20 .reg_bits = 8,
21 .val_bits = 8,
22 };
23
st_lsm6dsx_spi_probe(struct spi_device * spi)24 static int st_lsm6dsx_spi_probe(struct spi_device *spi)
25 {
26 const struct spi_device_id *id = spi_get_device_id(spi);
27 int hw_id = id->driver_data;
28 struct regmap *regmap;
29
30 regmap = devm_regmap_init_spi(spi, &st_lsm6dsx_spi_regmap_config);
31 if (IS_ERR(regmap)) {
32 dev_err(&spi->dev, "Failed to register spi regmap %ld\n", PTR_ERR(regmap));
33 return PTR_ERR(regmap);
34 }
35
36 return st_lsm6dsx_probe(&spi->dev, spi->irq, hw_id, regmap);
37 }
38
39 static const struct of_device_id st_lsm6dsx_spi_of_match[] = {
40 {
41 .compatible = "st,lsm6ds3",
42 .data = (void *)ST_LSM6DS3_ID,
43 },
44 {
45 .compatible = "st,lsm6ds3h",
46 .data = (void *)ST_LSM6DS3H_ID,
47 },
48 {
49 .compatible = "st,lsm6dsl",
50 .data = (void *)ST_LSM6DSL_ID,
51 },
52 {
53 .compatible = "st,lsm6dsm",
54 .data = (void *)ST_LSM6DSM_ID,
55 },
56 {
57 .compatible = "st,ism330dlc",
58 .data = (void *)ST_ISM330DLC_ID,
59 },
60 {
61 .compatible = "st,lsm6dso",
62 .data = (void *)ST_LSM6DSO_ID,
63 },
64 {
65 .compatible = "st,asm330lhh",
66 .data = (void *)ST_ASM330LHH_ID,
67 },
68 {
69 .compatible = "st,lsm6dsox",
70 .data = (void *)ST_LSM6DSOX_ID,
71 },
72 {
73 .compatible = "st,lsm6dsr",
74 .data = (void *)ST_LSM6DSR_ID,
75 },
76 {
77 .compatible = "st,lsm6ds3tr-c",
78 .data = (void *)ST_LSM6DS3TRC_ID,
79 },
80 {
81 .compatible = "st,ism330dhcx",
82 .data = (void *)ST_ISM330DHCX_ID,
83 },
84 {
85 .compatible = "st,lsm9ds1-imu",
86 .data = (void *)ST_LSM9DS1_ID,
87 },
88 {
89 .compatible = "st,lsm6ds0",
90 .data = (void *)ST_LSM6DS0_ID,
91 },
92 {
93 .compatible = "st,lsm6dsrx",
94 .data = (void *)ST_LSM6DSRX_ID,
95 },
96 {
97 .compatible = "st,lsm6dst",
98 .data = (void *)ST_LSM6DST_ID,
99 },
100 {
101 .compatible = "st,lsm6dsop",
102 .data = (void *)ST_LSM6DSOP_ID,
103 },
104 {
105 .compatible = "st,asm330lhhx",
106 .data = (void *)ST_ASM330LHHX_ID,
107 },
108 {
109 .compatible = "st,lsm6dstx",
110 .data = (void *)ST_LSM6DSTX_ID,
111 },
112 {
113 .compatible = "st,lsm6dsv",
114 .data = (void *)ST_LSM6DSV_ID,
115 },
116 {
117 .compatible = "st,lsm6dsv16x",
118 .data = (void *)ST_LSM6DSV16X_ID,
119 },
120 {
121 .compatible = "st,lsm6dso16is",
122 .data = (void *)ST_LSM6DSO16IS_ID,
123 },
124 {
125 .compatible = "st,ism330is",
126 .data = (void *)ST_ISM330IS_ID,
127 },
128 {},
129 };
130 MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
131
132 static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
133 { ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
134 { ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
135 { ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
136 { ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
137 { ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID },
138 { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID },
139 { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID },
140 { ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID },
141 { ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID },
142 { ST_LSM6DS3TRC_DEV_NAME, ST_LSM6DS3TRC_ID },
143 { ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID },
144 { ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
145 { ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
146 { ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
147 { ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID },
148 { ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID },
149 { ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
150 { ST_LSM6DSTX_DEV_NAME, ST_LSM6DSTX_ID },
151 { ST_LSM6DSV_DEV_NAME, ST_LSM6DSV_ID },
152 { ST_LSM6DSV16X_DEV_NAME, ST_LSM6DSV16X_ID },
153 { ST_LSM6DSO16IS_DEV_NAME, ST_LSM6DSO16IS_ID },
154 { ST_ISM330IS_DEV_NAME, ST_ISM330IS_ID },
155 {},
156 };
157 MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);
158
159 static struct spi_driver st_lsm6dsx_driver = {
160 .driver = {
161 .name = "st_lsm6dsx_spi",
162 .pm = pm_sleep_ptr(&st_lsm6dsx_pm_ops),
163 .of_match_table = st_lsm6dsx_spi_of_match,
164 },
165 .probe = st_lsm6dsx_spi_probe,
166 .id_table = st_lsm6dsx_spi_id_table,
167 };
168 module_spi_driver(st_lsm6dsx_driver);
169
170 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
171 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
172 MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx spi driver");
173 MODULE_LICENSE("GPL v2");
174 MODULE_IMPORT_NS(IIO_LSM6DSX);
175