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"); 62