xref: /openbmc/linux/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c (revision 1ac731c529cd4d6adbce134754b51ff7d822b145)
1fda8d26eSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2290a6ce1SLorenzo Bianconi /*
3290a6ce1SLorenzo Bianconi  * STMicroelectronics st_lsm6dsx spi driver
4290a6ce1SLorenzo Bianconi  *
5290a6ce1SLorenzo Bianconi  * Copyright 2016 STMicroelectronics Inc.
6290a6ce1SLorenzo Bianconi  *
7290a6ce1SLorenzo Bianconi  * Lorenzo Bianconi <lorenzo.bianconi@st.com>
8290a6ce1SLorenzo Bianconi  * Denis Ciocca <denis.ciocca@st.com>
9290a6ce1SLorenzo Bianconi  */
10290a6ce1SLorenzo Bianconi 
11290a6ce1SLorenzo Bianconi #include <linux/kernel.h>
12290a6ce1SLorenzo Bianconi #include <linux/module.h>
13290a6ce1SLorenzo Bianconi #include <linux/spi/spi.h>
14290a6ce1SLorenzo Bianconi #include <linux/slab.h>
1551a8b707SLorenzo Bianconi #include <linux/regmap.h>
16290a6ce1SLorenzo Bianconi 
17290a6ce1SLorenzo Bianconi #include "st_lsm6dsx.h"
18290a6ce1SLorenzo Bianconi 
1951a8b707SLorenzo Bianconi static const struct regmap_config st_lsm6dsx_spi_regmap_config = {
2051a8b707SLorenzo Bianconi 	.reg_bits = 8,
2151a8b707SLorenzo Bianconi 	.val_bits = 8,
22290a6ce1SLorenzo Bianconi };
23290a6ce1SLorenzo Bianconi 
st_lsm6dsx_spi_probe(struct spi_device * spi)24290a6ce1SLorenzo Bianconi static int st_lsm6dsx_spi_probe(struct spi_device *spi)
25290a6ce1SLorenzo Bianconi {
26290a6ce1SLorenzo Bianconi 	const struct spi_device_id *id = spi_get_device_id(spi);
2751a8b707SLorenzo Bianconi 	int hw_id = id->driver_data;
2851a8b707SLorenzo Bianconi 	struct regmap *regmap;
2951a8b707SLorenzo Bianconi 
3051a8b707SLorenzo Bianconi 	regmap = devm_regmap_init_spi(spi, &st_lsm6dsx_spi_regmap_config);
3151a8b707SLorenzo Bianconi 	if (IS_ERR(regmap)) {
329e301ea7SAndy Shevchenko 		dev_err(&spi->dev, "Failed to register spi regmap %ld\n", PTR_ERR(regmap));
3351a8b707SLorenzo Bianconi 		return PTR_ERR(regmap);
3451a8b707SLorenzo Bianconi 	}
35290a6ce1SLorenzo Bianconi 
3681956a93SLorenzo Bianconi 	return st_lsm6dsx_probe(&spi->dev, spi->irq, hw_id, regmap);
37290a6ce1SLorenzo Bianconi }
38290a6ce1SLorenzo Bianconi 
39290a6ce1SLorenzo Bianconi static const struct of_device_id st_lsm6dsx_spi_of_match[] = {
40290a6ce1SLorenzo Bianconi 	{
41290a6ce1SLorenzo Bianconi 		.compatible = "st,lsm6ds3",
42290a6ce1SLorenzo Bianconi 		.data = (void *)ST_LSM6DS3_ID,
43290a6ce1SLorenzo Bianconi 	},
44290a6ce1SLorenzo Bianconi 	{
45df47710aSLorenzo Bianconi 		.compatible = "st,lsm6ds3h",
46df47710aSLorenzo Bianconi 		.data = (void *)ST_LSM6DS3H_ID,
47df47710aSLorenzo Bianconi 	},
48df47710aSLorenzo Bianconi 	{
490b2a3e5fSLorenzo Bianconi 		.compatible = "st,lsm6dsl",
500b2a3e5fSLorenzo Bianconi 		.data = (void *)ST_LSM6DSL_ID,
510b2a3e5fSLorenzo Bianconi 	},
520b2a3e5fSLorenzo Bianconi 	{
53290a6ce1SLorenzo Bianconi 		.compatible = "st,lsm6dsm",
54290a6ce1SLorenzo Bianconi 		.data = (void *)ST_LSM6DSM_ID,
55290a6ce1SLorenzo Bianconi 	},
56179c8d60SLorenzo Bianconi 	{
57179c8d60SLorenzo Bianconi 		.compatible = "st,ism330dlc",
58179c8d60SLorenzo Bianconi 		.data = (void *)ST_ISM330DLC_ID,
59179c8d60SLorenzo Bianconi 	},
60801a6e0aSLorenzo Bianconi 	{
61801a6e0aSLorenzo Bianconi 		.compatible = "st,lsm6dso",
62801a6e0aSLorenzo Bianconi 		.data = (void *)ST_LSM6DSO_ID,
63801a6e0aSLorenzo Bianconi 	},
643054c4ffSLorenzo Bianconi 	{
653054c4ffSLorenzo Bianconi 		.compatible = "st,asm330lhh",
663054c4ffSLorenzo Bianconi 		.data = (void *)ST_ASM330LHH_ID,
673054c4ffSLorenzo Bianconi 	},
686af0e8a9SLorenzo Bianconi 	{
696af0e8a9SLorenzo Bianconi 		.compatible = "st,lsm6dsox",
706af0e8a9SLorenzo Bianconi 		.data = (void *)ST_LSM6DSOX_ID,
716af0e8a9SLorenzo Bianconi 	},
7243901008SLorenzo Bianconi 	{
7343901008SLorenzo Bianconi 		.compatible = "st,lsm6dsr",
7443901008SLorenzo Bianconi 		.data = (void *)ST_LSM6DSR_ID,
7543901008SLorenzo Bianconi 	},
76dbcd2088SLorenzo Bianconi 	{
77dbcd2088SLorenzo Bianconi 		.compatible = "st,lsm6ds3tr-c",
78dbcd2088SLorenzo Bianconi 		.data = (void *)ST_LSM6DS3TRC_ID,
79dbcd2088SLorenzo Bianconi 	},
80db947a79SLorenzo Bianconi 	{
81db947a79SLorenzo Bianconi 		.compatible = "st,ism330dhcx",
82db947a79SLorenzo Bianconi 		.data = (void *)ST_ISM330DHCX_ID,
83db947a79SLorenzo Bianconi 	},
8452f4b1f1SMartin Kepplinger 	{
8552f4b1f1SMartin Kepplinger 		.compatible = "st,lsm9ds1-imu",
8652f4b1f1SMartin Kepplinger 		.data = (void *)ST_LSM9DS1_ID,
8752f4b1f1SMartin Kepplinger 	},
88fa060a3dSLorenzo Bianconi 	{
89fa060a3dSLorenzo Bianconi 		.compatible = "st,lsm6ds0",
90fa060a3dSLorenzo Bianconi 		.data = (void *)ST_LSM6DS0_ID,
91fa060a3dSLorenzo Bianconi 	},
92cf9c71b3SLorenzo Bianconi 	{
93cf9c71b3SLorenzo Bianconi 		.compatible = "st,lsm6dsrx",
94cf9c71b3SLorenzo Bianconi 		.data = (void *)ST_LSM6DSRX_ID,
95cf9c71b3SLorenzo Bianconi 	},
964393e4c5SLorenzo Bianconi 	{
974393e4c5SLorenzo Bianconi 		.compatible = "st,lsm6dst",
984393e4c5SLorenzo Bianconi 		.data = (void *)ST_LSM6DST_ID,
994393e4c5SLorenzo Bianconi 	},
1002c57d265SLorenzo Bianconi 	{
1012c57d265SLorenzo Bianconi 		.compatible = "st,lsm6dsop",
1022c57d265SLorenzo Bianconi 		.data = (void *)ST_LSM6DSOP_ID,
1032c57d265SLorenzo Bianconi 	},
104fdd70d7aSLorenzo Bianconi 	{
105fdd70d7aSLorenzo Bianconi 		.compatible = "st,asm330lhhx",
106fdd70d7aSLorenzo Bianconi 		.data = (void *)ST_ASM330LHHX_ID,
107fdd70d7aSLorenzo Bianconi 	},
108186b9e38SLorenzo Bianconi 	{
109186b9e38SLorenzo Bianconi 		.compatible = "st,lsm6dstx",
110186b9e38SLorenzo Bianconi 		.data = (void *)ST_LSM6DSTX_ID,
111186b9e38SLorenzo Bianconi 	},
112a1c6d631SLorenzo Bianconi 	{
113a1c6d631SLorenzo Bianconi 		.compatible = "st,lsm6dsv",
114a1c6d631SLorenzo Bianconi 		.data = (void *)ST_LSM6DSV_ID,
115a1c6d631SLorenzo Bianconi 	},
11646975081SLorenzo Bianconi 	{
11746975081SLorenzo Bianconi 		.compatible = "st,lsm6dsv16x",
11846975081SLorenzo Bianconi 		.data = (void *)ST_LSM6DSV16X_ID,
11946975081SLorenzo Bianconi 	},
120f35e1ee9SLorenzo Bianconi 	{
121f35e1ee9SLorenzo Bianconi 		.compatible = "st,lsm6dso16is",
122f35e1ee9SLorenzo Bianconi 		.data = (void *)ST_LSM6DSO16IS_ID,
123f35e1ee9SLorenzo Bianconi 	},
1243a042fdaSLorenzo Bianconi 	{
1253a042fdaSLorenzo Bianconi 		.compatible = "st,ism330is",
1263a042fdaSLorenzo Bianconi 		.data = (void *)ST_ISM330IS_ID,
1273a042fdaSLorenzo Bianconi 	},
128*18462d08SLorenzo Bianconi 	{
129*18462d08SLorenzo Bianconi 		.compatible = "st,asm330lhb",
130*18462d08SLorenzo Bianconi 		.data = (void *)ST_ASM330LHB_ID,
131*18462d08SLorenzo Bianconi 	},
132290a6ce1SLorenzo Bianconi 	{},
133290a6ce1SLorenzo Bianconi };
134290a6ce1SLorenzo Bianconi MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
135290a6ce1SLorenzo Bianconi 
136290a6ce1SLorenzo Bianconi static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
137290a6ce1SLorenzo Bianconi 	{ ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
138df47710aSLorenzo Bianconi 	{ ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
1390b2a3e5fSLorenzo Bianconi 	{ ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
140290a6ce1SLorenzo Bianconi 	{ ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
141179c8d60SLorenzo Bianconi 	{ ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID },
142801a6e0aSLorenzo Bianconi 	{ ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID },
1433054c4ffSLorenzo Bianconi 	{ ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID },
1446af0e8a9SLorenzo Bianconi 	{ ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID },
14543901008SLorenzo Bianconi 	{ ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID },
146dbcd2088SLorenzo Bianconi 	{ ST_LSM6DS3TRC_DEV_NAME, ST_LSM6DS3TRC_ID },
147db947a79SLorenzo Bianconi 	{ ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID },
14852f4b1f1SMartin Kepplinger 	{ ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
149fa060a3dSLorenzo Bianconi 	{ ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
150cf9c71b3SLorenzo Bianconi 	{ ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
1514393e4c5SLorenzo Bianconi 	{ ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID },
1522c57d265SLorenzo Bianconi 	{ ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID },
153fdd70d7aSLorenzo Bianconi 	{ ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
154186b9e38SLorenzo Bianconi 	{ ST_LSM6DSTX_DEV_NAME, ST_LSM6DSTX_ID },
155a1c6d631SLorenzo Bianconi 	{ ST_LSM6DSV_DEV_NAME, ST_LSM6DSV_ID },
15646975081SLorenzo Bianconi 	{ ST_LSM6DSV16X_DEV_NAME, ST_LSM6DSV16X_ID },
157f35e1ee9SLorenzo Bianconi 	{ ST_LSM6DSO16IS_DEV_NAME, ST_LSM6DSO16IS_ID },
1583a042fdaSLorenzo Bianconi 	{ ST_ISM330IS_DEV_NAME, ST_ISM330IS_ID },
159*18462d08SLorenzo Bianconi 	{ ST_ASM330LHB_DEV_NAME, ST_ASM330LHB_ID },
160290a6ce1SLorenzo Bianconi 	{},
161290a6ce1SLorenzo Bianconi };
162290a6ce1SLorenzo Bianconi MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);
163290a6ce1SLorenzo Bianconi 
164290a6ce1SLorenzo Bianconi static struct spi_driver st_lsm6dsx_driver = {
165290a6ce1SLorenzo Bianconi 	.driver = {
166290a6ce1SLorenzo Bianconi 		.name = "st_lsm6dsx_spi",
167acc416ffSJonathan Cameron 		.pm = pm_sleep_ptr(&st_lsm6dsx_pm_ops),
168e3da4307SAndy Shevchenko 		.of_match_table = st_lsm6dsx_spi_of_match,
169290a6ce1SLorenzo Bianconi 	},
170290a6ce1SLorenzo Bianconi 	.probe = st_lsm6dsx_spi_probe,
171290a6ce1SLorenzo Bianconi 	.id_table = st_lsm6dsx_spi_id_table,
172290a6ce1SLorenzo Bianconi };
173290a6ce1SLorenzo Bianconi module_spi_driver(st_lsm6dsx_driver);
174290a6ce1SLorenzo Bianconi 
175290a6ce1SLorenzo Bianconi MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
176290a6ce1SLorenzo Bianconi MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
177290a6ce1SLorenzo Bianconi MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx spi driver");
178290a6ce1SLorenzo Bianconi MODULE_LICENSE("GPL v2");
1792b059449SJonathan Cameron MODULE_IMPORT_NS(IIO_LSM6DSX);
180