iio/accel/kxsd9-spi.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 #include <linux/device.h>
0003 #include <linux/kernel.h>
0004 #include <linux/of.h>
0005 #include <linux/of_device.h>
0006 #include <linux/spi/spi.h>
0007 #include <linux/module.h>
0008 #include <linux/slab.h>
0009 #include <linux/regmap.h>
0010
0011 #include "kxsd9.h"
0012
0013 static int kxsd9_spi_probe(struct spi_device *spi)
0014 {
0015     static const struct regmap_config config = {
0016         .reg_bits = 8,
0017         .val_bits = 8,
0018         .max_register = 0x0e,
0019     };
0020     struct regmap *regmap;
0021
0022     spi->mode = SPI_MODE_0;
0023     regmap = devm_regmap_init_spi(spi, &config);
0024     if (IS_ERR(regmap)) {
0025         dev_err(&spi->dev, "%s: regmap allocation failed: %ld\n",
0026             __func__, PTR_ERR(regmap));
0027         return PTR_ERR(regmap);
0028     }
0029
0030     return kxsd9_common_probe(&spi->dev,
0031                   regmap,
0032                   spi_get_device_id(spi)->name);
0033 }
0034
0035 static void kxsd9_spi_remove(struct spi_device *spi)
0036 {
0037     kxsd9_common_remove(&spi->dev);
0038 }
0039
0040 static const struct spi_device_id kxsd9_spi_id[] = {
0041     {"kxsd9", 0},
0042     { },
0043 };
0044 MODULE_DEVICE_TABLE(spi, kxsd9_spi_id);
0045
0046 static const struct of_device_id kxsd9_of_match[] = {
0047     { .compatible = "kionix,kxsd9" },
0048     { }
0049 };
0050 MODULE_DEVICE_TABLE(of, kxsd9_of_match);
0051
0052 static struct spi_driver kxsd9_spi_driver = {
0053     .driver = {
0054         .name = "kxsd9",
0055         .pm = pm_ptr(&kxsd9_dev_pm_ops),
0056         .of_match_table = kxsd9_of_match,
0057     },
0058     .probe = kxsd9_spi_probe,
0059     .remove = kxsd9_spi_remove,
0060     .id_table = kxsd9_spi_id,
0061 };
0062 module_spi_driver(kxsd9_spi_driver);
0063
0064 MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>");
0065 MODULE_DESCRIPTION("Kionix KXSD9 SPI driver");
0066 MODULE_LICENSE("GPL v2");
0067 MODULE_IMPORT_NS(IIO_KXSD9);