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 
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 };
114 MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
115 
116 static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
117 	{ ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
118 	{ ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
119 	{ ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
120 	{ ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
121 	{ ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID },
122 	{ ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID },
123 	{ ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID },
124 	{ ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID },
125 	{ ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID },
126 	{ ST_LSM6DS3TRC_DEV_NAME, ST_LSM6DS3TRC_ID },
127 	{ ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID },
128 	{ ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
129 	{ ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
130 	{ ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
131 	{ ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID },
132 	{ ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID },
133 	{ ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
134 	{ ST_LSM6DSTX_DEV_NAME, ST_LSM6DSTX_ID },
135 	{},
136 };
137 MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);
138 
139 static struct spi_driver st_lsm6dsx_driver = {
140 	.driver = {
141 		.name = "st_lsm6dsx_spi",
142 		.pm = pm_sleep_ptr(&st_lsm6dsx_pm_ops),
143 		.of_match_table = st_lsm6dsx_spi_of_match,
144 	},
145 	.probe = st_lsm6dsx_spi_probe,
146 	.id_table = st_lsm6dsx_spi_id_table,
147 };
148 module_spi_driver(st_lsm6dsx_driver);
149 
150 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
151 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
152 MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx spi driver");
153 MODULE_LICENSE("GPL v2");
154 MODULE_IMPORT_NS(IIO_LSM6DSX);
155