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 };
 106 MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
 107
 108 static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
 109         { ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
 110         { ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
 111         { ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
 112         { ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
 113         { ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID },
 114         { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID },
 115         { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID },
 116         { ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID },
 117         { ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID },
 118         { ST_LSM6DS3TRC_DEV_NAME, ST_LSM6DS3TRC_ID },
 119         { ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID },
 120         { ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
 121         { ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
 122         { ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
 123         { ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID },
 124         { ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID },
 125         {},
 126 };
 127 MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);
 128
 129 static struct spi_driver st_lsm6dsx_driver = {
 130         .driver = {
 131                 .name = "st_lsm6dsx_spi",
 132                 .pm = &st_lsm6dsx_pm_ops,
 133                 .of_match_table = st_lsm6dsx_spi_of_match,
 134         },
 135         .probe = st_lsm6dsx_spi_probe,
 136         .id_table = st_lsm6dsx_spi_id_table,
 137 };
 138 module_spi_driver(st_lsm6dsx_driver);
 139
 140 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
 141 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 142 MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx spi driver");
 143 MODULE_LICENSE("GPL v2");