1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2022 ROHM Semiconductors 4 * 5 * ROHM/KIONIX 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 const struct kx022a_chip_info *chip_info; 19 struct regmap *regmap; 20 21 if (!spi->irq) { 22 dev_err(dev, "No IRQ configured\n"); 23 return -EINVAL; 24 } 25 26 chip_info = spi_get_device_match_data(spi); 27 if (!chip_info) 28 return -EINVAL; 29 30 regmap = devm_regmap_init_spi(spi, chip_info->regmap_config); 31 if (IS_ERR(regmap)) 32 return dev_err_probe(dev, PTR_ERR(regmap), 33 "Failed to initialize Regmap\n"); 34 35 return kx022a_probe_internal(dev, chip_info); 36 } 37 38 static const struct spi_device_id kx022a_id[] = { 39 { .name = "kx022a", .driver_data = (kernel_ulong_t)&kx022a_chip_info }, 40 { .name = "kx132-1211", .driver_data = (kernel_ulong_t)&kx132_chip_info }, 41 { .name = "kx132acr-lbz", .driver_data = (kernel_ulong_t)&kx132acr_chip_info }, 42 { } 43 }; 44 MODULE_DEVICE_TABLE(spi, kx022a_id); 45 46 static const struct of_device_id kx022a_of_match[] = { 47 { .compatible = "kionix,kx022a", .data = &kx022a_chip_info }, 48 { .compatible = "kionix,kx132-1211", .data = &kx132_chip_info }, 49 { .compatible = "rohm,kx132acr-lbz", .data = &kx132acr_chip_info }, 50 { } 51 }; 52 MODULE_DEVICE_TABLE(of, kx022a_of_match); 53 54 static struct spi_driver kx022a_spi_driver = { 55 .driver = { 56 .name = "kx022a-spi", 57 .of_match_table = kx022a_of_match, 58 .probe_type = PROBE_PREFER_ASYNCHRONOUS, 59 }, 60 .probe = kx022a_spi_probe, 61 .id_table = kx022a_id, 62 }; 63 module_spi_driver(kx022a_spi_driver); 64 65 MODULE_DESCRIPTION("ROHM/Kionix kx022A accelerometer driver"); 66 MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); 67 MODULE_LICENSE("GPL"); 68 MODULE_IMPORT_NS(IIO_KX022A); 69