1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2022 ROHM Semiconductors 4 * 5 * ROHM/KIONIX KX022A accelerometer driver 6 */ 7 8 #include <linux/interrupt.h> 9 #include <linux/module.h> 10 #include <linux/regmap.h> 11 #include <linux/spi/spi.h> 12 13 #include "kionix-kx022a.h" 14 15 static int kx022a_spi_probe(struct spi_device *spi) 16 { 17 struct device *dev = &spi->dev; 18 struct regmap *regmap; 19 20 if (!spi->irq) { 21 dev_err(dev, "No IRQ configured\n"); 22 return -EINVAL; 23 } 24 25 regmap = devm_regmap_init_spi(spi, &kx022a_regmap); 26 if (IS_ERR(regmap)) 27 return dev_err_probe(dev, PTR_ERR(regmap), 28 "Failed to initialize Regmap\n"); 29 30 return kx022a_probe_internal(dev); 31 } 32 33 static const struct spi_device_id kx022a_id[] = { 34 { "kx022a" }, 35 { } 36 }; 37 MODULE_DEVICE_TABLE(spi, kx022a_id); 38 39 static const struct of_device_id kx022a_of_match[] = { 40 { .compatible = "kionix,kx022a", }, 41 { } 42 }; 43 MODULE_DEVICE_TABLE(of, kx022a_of_match); 44 45 static struct spi_driver kx022a_spi_driver = { 46 .driver = { 47 .name = "kx022a-spi", 48 .of_match_table = kx022a_of_match, 49 .probe_type = PROBE_PREFER_ASYNCHRONOUS, 50 }, 51 .probe = kx022a_spi_probe, 52 .id_table = kx022a_id, 53 }; 54 module_spi_driver(kx022a_spi_driver); 55 56 MODULE_DESCRIPTION("ROHM/Kionix kx022A accelerometer driver"); 57 MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); 58 MODULE_LICENSE("GPL"); 59 MODULE_IMPORT_NS(IIO_KX022A); 60