LXR linux/drivers/iio/accel/kxsd9-spi.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2#include <linux/device.h>
   3#include <linux/kernel.h>
   4#include <linux/of.h>
   5#include <linux/of_device.h>
   6#include <linux/spi/spi.h>
   7#include <linux/module.h>
   8#include <linux/slab.h>
   9#include <linux/regmap.h>
  10
  11#include "kxsd9.h"
  12
  13static int kxsd9_spi_probe(struct spi_device *spi)
  14{
  15        static const struct regmap_config config = {
  16                .reg_bits = 8,
  17                .val_bits = 8,
  18                .max_register = 0x0e,
  19        };
  20        struct regmap *regmap;
  21
  22        spi->mode = SPI_MODE_0;
  23        regmap = devm_regmap_init_spi(spi, &config);
  24        if (IS_ERR(regmap)) {
  25                dev_err(&spi->dev, "%s: regmap allocation failed: %ld\n",
  26                        __func__, PTR_ERR(regmap));
  27                return PTR_ERR(regmap);
  28        }
  29
  30        return kxsd9_common_probe(&spi->dev,
  31                                  regmap,
  32                                  spi_get_device_id(spi)->name);
  33}
  34
  35static int kxsd9_spi_remove(struct spi_device *spi)
  36{
  37        return kxsd9_common_remove(&spi->dev);
  38}
  39
  40static const struct spi_device_id kxsd9_spi_id[] = {
  41        {"kxsd9", 0},
  42        { },
  43};
  44MODULE_DEVICE_TABLE(spi, kxsd9_spi_id);
  45
  46static const struct of_device_id kxsd9_of_match[] = {
  47        { .compatible = "kionix,kxsd9" },
  48        { },
  49};
  50MODULE_DEVICE_TABLE(of, kxsd9_of_match);
  51
  52static struct spi_driver kxsd9_spi_driver = {
  53        .driver = {
  54                .name = "kxsd9",
  55                .pm = &kxsd9_dev_pm_ops,
  56                .of_match_table = kxsd9_of_match,
  57        },
  58        .probe = kxsd9_spi_probe,
  59        .remove = kxsd9_spi_remove,
  60        .id_table = kxsd9_spi_id,
  61};
  62module_spi_driver(kxsd9_spi_driver);
  63
  64MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>");
  65MODULE_DESCRIPTION("Kionix KXSD9 SPI driver");
  66MODULE_LICENSE("GPL v2");
  67