imu/st_lsm6dsx/st_lsm6dsx_spi.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * STMicroelectronics st_lsm6dsx spi driver
0004  *
0005  * Copyright 2016 STMicroelectronics Inc.
0006  *
0007  * Lorenzo Bianconi <lorenzo.bianconi@st.com>
0008  * Denis Ciocca <denis.ciocca@st.com>
0009  */
0010
0011 #include <linux/kernel.h>
0012 #include <linux/module.h>
0013 #include <linux/spi/spi.h>
0014 #include <linux/slab.h>
0015 #include <linux/regmap.h>
0016
0017 #include "st_lsm6dsx.h"
0018
0019 static const struct regmap_config st_lsm6dsx_spi_regmap_config = {
0020     .reg_bits = 8,
0021     .val_bits = 8,
0022 };
0023
0024 static int st_lsm6dsx_spi_probe(struct spi_device *spi)
0025 {
0026     const struct spi_device_id *id = spi_get_device_id(spi);
0027     int hw_id = id->driver_data;
0028     struct regmap *regmap;
0029
0030     regmap = devm_regmap_init_spi(spi, &st_lsm6dsx_spi_regmap_config);
0031     if (IS_ERR(regmap)) {
0032         dev_err(&spi->dev, "Failed to register spi regmap %ld\n", PTR_ERR(regmap));
0033         return PTR_ERR(regmap);
0034     }
0035
0036     return st_lsm6dsx_probe(&spi->dev, spi->irq, hw_id, regmap);
0037 }
0038
0039 static const struct of_device_id st_lsm6dsx_spi_of_match[] = {
0040     {
0041         .compatible = "st,lsm6ds3",
0042         .data = (void *)ST_LSM6DS3_ID,
0043     },
0044     {
0045         .compatible = "st,lsm6ds3h",
0046         .data = (void *)ST_LSM6DS3H_ID,
0047     },
0048     {
0049         .compatible = "st,lsm6dsl",
0050         .data = (void *)ST_LSM6DSL_ID,
0051     },
0052     {
0053         .compatible = "st,lsm6dsm",
0054         .data = (void *)ST_LSM6DSM_ID,
0055     },
0056     {
0057         .compatible = "st,ism330dlc",
0058         .data = (void *)ST_ISM330DLC_ID,
0059     },
0060     {
0061         .compatible = "st,lsm6dso",
0062         .data = (void *)ST_LSM6DSO_ID,
0063     },
0064     {
0065         .compatible = "st,asm330lhh",
0066         .data = (void *)ST_ASM330LHH_ID,
0067     },
0068     {
0069         .compatible = "st,lsm6dsox",
0070         .data = (void *)ST_LSM6DSOX_ID,
0071     },
0072     {
0073         .compatible = "st,lsm6dsr",
0074         .data = (void *)ST_LSM6DSR_ID,
0075     },
0076     {
0077         .compatible = "st,lsm6ds3tr-c",
0078         .data = (void *)ST_LSM6DS3TRC_ID,
0079     },
0080     {
0081         .compatible = "st,ism330dhcx",
0082         .data = (void *)ST_ISM330DHCX_ID,
0083     },
0084     {
0085         .compatible = "st,lsm9ds1-imu",
0086         .data = (void *)ST_LSM9DS1_ID,
0087     },
0088     {
0089         .compatible = "st,lsm6ds0",
0090         .data = (void *)ST_LSM6DS0_ID,
0091     },
0092     {
0093         .compatible = "st,lsm6dsrx",
0094         .data = (void *)ST_LSM6DSRX_ID,
0095     },
0096     {
0097         .compatible = "st,lsm6dst",
0098         .data = (void *)ST_LSM6DST_ID,
0099     },
0100     {
0101         .compatible = "st,lsm6dsop",
0102         .data = (void *)ST_LSM6DSOP_ID,
0103     },
0104     {
0105         .compatible = "st,asm330lhhx",
0106         .data = (void *)ST_ASM330LHHX_ID,
0107     },
0108     {},
0109 };
0110 MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
0111
0112 static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
0113     { ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
0114     { ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
0115     { ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
0116     { ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
0117     { ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID },
0118     { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID },
0119     { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID },
0120     { ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID },
0121     { ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID },
0122     { ST_LSM6DS3TRC_DEV_NAME, ST_LSM6DS3TRC_ID },
0123     { ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID },
0124     { ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
0125     { ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
0126     { ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
0127     { ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID },
0128     { ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID },
0129     { ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
0130     {},
0131 };
0132 MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);
0133
0134 static struct spi_driver st_lsm6dsx_driver = {
0135     .driver = {
0136         .name = "st_lsm6dsx_spi",
0137         .pm = pm_sleep_ptr(&st_lsm6dsx_pm_ops),
0138         .of_match_table = st_lsm6dsx_spi_of_match,
0139     },
0140     .probe = st_lsm6dsx_spi_probe,
0141     .id_table = st_lsm6dsx_spi_id_table,
0142 };
0143 module_spi_driver(st_lsm6dsx_driver);
0144
0145 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
0146 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
0147 MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx spi driver");
0148 MODULE_LICENSE("GPL v2");
0149 MODULE_IMPORT_NS(IIO_LSM6DSX);