1 // SPDX-License-Identifier: GPL-2.0-only
3 * ADXL355 3-Axis Digital Accelerometer SPI driver
5 * Copyright (c) 2021 Puranjay Mohan <puranjay12@gmail.com>
8 #include <linux/module.h>
9 #include <linux/mod_devicetable.h>
10 #include <linux/regmap.h>
11 #include <linux/spi/spi.h>
12 #include <linux/property.h>
16 static const struct regmap_config adxl355_spi_regmap_config = {
20 .read_flag_mask = BIT(0),
22 .rd_table = &adxl355_readable_regs_tbl,
23 .wr_table = &adxl355_writeable_regs_tbl,
26 static int adxl355_spi_probe(struct spi_device *spi)
28 const struct adxl355_chip_info *chip_data;
29 struct regmap *regmap;
31 chip_data = device_get_match_data(&spi->dev);
33 chip_data = (void *)spi_get_device_id(spi)->driver_data;
39 regmap = devm_regmap_init_spi(spi, &adxl355_spi_regmap_config);
41 dev_err(&spi->dev, "Error initializing spi regmap: %ld\n",
44 return PTR_ERR(regmap);
47 return adxl355_core_probe(&spi->dev, regmap, chip_data);
50 static const struct spi_device_id adxl355_spi_id[] = {
51 { "adxl355", (kernel_ulong_t)&adxl35x_chip_info[ADXL355] },
52 { "adxl359", (kernel_ulong_t)&adxl35x_chip_info[ADXL359] },
55 MODULE_DEVICE_TABLE(spi, adxl355_spi_id);
57 static const struct of_device_id adxl355_of_match[] = {
58 { .compatible = "adi,adxl355", .data = &adxl35x_chip_info[ADXL355] },
59 { .compatible = "adi,adxl359", .data = &adxl35x_chip_info[ADXL359] },
62 MODULE_DEVICE_TABLE(of, adxl355_of_match);
64 static struct spi_driver adxl355_spi_driver = {
66 .name = "adxl355_spi",
67 .of_match_table = adxl355_of_match,
69 .probe = adxl355_spi_probe,
70 .id_table = adxl355_spi_id,
72 module_spi_driver(adxl355_spi_driver);
74 MODULE_AUTHOR("Puranjay Mohan <puranjay12@gmail.com>");
75 MODULE_DESCRIPTION("ADXL355 3-Axis Digital Accelerometer SPI driver");
76 MODULE_LICENSE("GPL v2");
77 MODULE_IMPORT_NS(IIO_ADXL355);