drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c

   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                 .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                 .compatible = "st,asm330lhb",
 130                 .data = (void *)ST_ASM330LHB_ID,
 131         },
 132         {
 133                 .compatible = "st,asm330lhhxg1",
 134                 .data = (void *)ST_ASM330LHHXG1_ID,
 135         },
 136         {},
 137 };
 138 MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
 139
 140 static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
 141         { ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
 142         { ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
 143         { ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
 144         { ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
 145         { ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID },
 146         { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID },
 147         { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID },
 148         { ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID },
 149         { ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID },
 150         { ST_LSM6DS3TRC_DEV_NAME, ST_LSM6DS3TRC_ID },
 151         { ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID },
 152         { ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
 153         { ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
 154         { ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
 155         { ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID },
 156         { ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID },
 157         { ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
 158         { ST_LSM6DSTX_DEV_NAME, ST_LSM6DSTX_ID },
 159         { ST_LSM6DSV_DEV_NAME, ST_LSM6DSV_ID },
 160         { ST_LSM6DSV16X_DEV_NAME, ST_LSM6DSV16X_ID },
 161         { ST_LSM6DSO16IS_DEV_NAME, ST_LSM6DSO16IS_ID },
 162         { ST_ISM330IS_DEV_NAME, ST_ISM330IS_ID },
 163         { ST_ASM330LHB_DEV_NAME, ST_ASM330LHB_ID },
 164         { ST_ASM330LHHXG1_DEV_NAME, ST_ASM330LHHXG1_ID },
 165         {},
 166 };
 167 MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);
 168
 169 static struct spi_driver st_lsm6dsx_driver = {
 170         .driver = {
 171                 .name = "st_lsm6dsx_spi",
 172                 .pm = pm_sleep_ptr(&st_lsm6dsx_pm_ops),
 173                 .of_match_table = st_lsm6dsx_spi_of_match,
 174         },
 175         .probe = st_lsm6dsx_spi_probe,
 176         .id_table = st_lsm6dsx_spi_id_table,
 177 };
 178 module_spi_driver(st_lsm6dsx_driver);
 179
 180 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
 181 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 182 MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx spi driver");
 183 MODULE_LICENSE("GPL v2");
 184 MODULE_IMPORT_NS("IIO_LSM6DSX");