David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * ADXL372 3-Axis Digital Accelerometer SPI driver |
| 4 | * |
| 5 | * Copyright 2018 Analog Devices Inc. |
| 6 | */ |
| 7 | |
| 8 | #include <linux/module.h> |
| 9 | #include <linux/regmap.h> |
| 10 | #include <linux/of.h> |
| 11 | #include <linux/of_device.h> |
| 12 | #include <linux/spi/spi.h> |
| 13 | |
| 14 | #include "adxl372.h" |
| 15 | |
| 16 | static const struct regmap_config adxl372_spi_regmap_config = { |
| 17 | .reg_bits = 7, |
| 18 | .pad_bits = 1, |
| 19 | .val_bits = 8, |
| 20 | .read_flag_mask = BIT(0), |
| 21 | .readable_noinc_reg = adxl372_readable_noinc_reg, |
| 22 | }; |
| 23 | |
| 24 | static int adxl372_spi_probe(struct spi_device *spi) |
| 25 | { |
| 26 | const struct spi_device_id *id = spi_get_device_id(spi); |
| 27 | struct regmap *regmap; |
| 28 | |
| 29 | regmap = devm_regmap_init_spi(spi, &adxl372_spi_regmap_config); |
| 30 | if (IS_ERR(regmap)) |
| 31 | return PTR_ERR(regmap); |
| 32 | |
| 33 | return adxl372_probe(&spi->dev, regmap, spi->irq, id->name); |
| 34 | } |
| 35 | |
| 36 | static const struct spi_device_id adxl372_spi_id[] = { |
| 37 | { "adxl372", 0 }, |
| 38 | {} |
| 39 | }; |
| 40 | MODULE_DEVICE_TABLE(spi, adxl372_spi_id); |
| 41 | |
| 42 | static const struct of_device_id adxl372_of_match[] = { |
| 43 | { .compatible = "adi,adxl372" }, |
| 44 | { }, |
| 45 | }; |
| 46 | MODULE_DEVICE_TABLE(of, adxl372_of_match); |
| 47 | |
| 48 | static struct spi_driver adxl372_spi_driver = { |
| 49 | .driver = { |
| 50 | .name = "adxl372_spi", |
| 51 | .of_match_table = adxl372_of_match, |
| 52 | }, |
| 53 | .probe = adxl372_spi_probe, |
| 54 | .id_table = adxl372_spi_id, |
| 55 | }; |
| 56 | |
| 57 | module_spi_driver(adxl372_spi_driver); |
| 58 | |
| 59 | MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>"); |
| 60 | MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer SPI driver"); |
| 61 | MODULE_LICENSE("GPL"); |