1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * ADXL371/ADXL372 3-Axis Digital Accelerometer SPI driver 4 * 5 * Copyright 2018 Analog Devices Inc. 6 */ 7 8 #include <linux/module.h> 9 #include <linux/mod_devicetable.h> 10 #include <linux/regmap.h> 11 #include <linux/spi/spi.h> 12 13 #include "adxl372.h" 14 15 static const struct regmap_config adxl372_spi_regmap_config = { 16 .reg_bits = 7, 17 .pad_bits = 1, 18 .val_bits = 8, 19 .read_flag_mask = BIT(0), 20 .readable_noinc_reg = adxl372_readable_noinc_reg, 21 }; 22 23 static int adxl372_spi_probe(struct spi_device *spi) 24 { 25 const struct adxl372_chip_info *chip_info; 26 struct regmap *regmap; 27 28 chip_info = spi_get_device_match_data(spi); 29 30 regmap = devm_regmap_init_spi(spi, &adxl372_spi_regmap_config); 31 if (IS_ERR(regmap)) 32 return PTR_ERR(regmap); 33 34 return adxl372_probe(&spi->dev, regmap, spi->irq, chip_info); 35 } 36 37 static const struct spi_device_id adxl372_spi_id[] = { 38 { "adxl371", (kernel_ulong_t)&adxl371_chip_info }, 39 { "adxl372", (kernel_ulong_t)&adxl372_chip_info }, 40 { } 41 }; 42 MODULE_DEVICE_TABLE(spi, adxl372_spi_id); 43 44 static const struct of_device_id adxl372_of_match[] = { 45 { .compatible = "adi,adxl371", .data = &adxl371_chip_info }, 46 { .compatible = "adi,adxl372", .data = &adxl372_chip_info }, 47 { } 48 }; 49 MODULE_DEVICE_TABLE(of, adxl372_of_match); 50 51 static struct spi_driver adxl372_spi_driver = { 52 .driver = { 53 .name = "adxl372_spi", 54 .of_match_table = adxl372_of_match, 55 }, 56 .probe = adxl372_spi_probe, 57 .id_table = adxl372_spi_id, 58 }; 59 60 module_spi_driver(adxl372_spi_driver); 61 62 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>"); 63 MODULE_AUTHOR("Antoniu Miclaus <antoniu.miclaus@analog.com>"); 64 MODULE_DESCRIPTION("Analog Devices ADXL371/ADXL372 3-axis accelerometer SPI driver"); 65 MODULE_LICENSE("GPL"); 66 MODULE_IMPORT_NS("IIO_ADXL372"); 67