1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * ScioSense ENS160 multi-gas sensor SPI driver 4 * 5 * Copyright (c) 2024 Gustavo Silva <gustavograzs@gmail.com> 6 */ 7 8 #include <linux/module.h> 9 #include <linux/regmap.h> 10 #include <linux/spi/spi.h> 11 12 #include "ens160.h" 13 14 #define ENS160_SPI_READ BIT(0) 15 16 static const struct regmap_config ens160_regmap_spi_conf = { 17 .reg_bits = 8, 18 .val_bits = 8, 19 .reg_shift = -1, 20 .read_flag_mask = ENS160_SPI_READ, 21 }; 22 23 static int ens160_spi_probe(struct spi_device *spi) 24 { 25 struct regmap *regmap; 26 27 regmap = devm_regmap_init_spi(spi, &ens160_regmap_spi_conf); 28 if (IS_ERR(regmap)) 29 return dev_err_probe(&spi->dev, PTR_ERR(regmap), 30 "Failed to register spi regmap\n"); 31 32 return devm_ens160_core_probe(&spi->dev, regmap, spi->irq, "ens160"); 33 } 34 35 static const struct of_device_id ens160_spi_of_match[] = { 36 { .compatible = "sciosense,ens160" }, 37 { } 38 }; 39 MODULE_DEVICE_TABLE(of, ens160_spi_of_match); 40 41 static const struct spi_device_id ens160_spi_id[] = { 42 { "ens160" }, 43 { } 44 }; 45 MODULE_DEVICE_TABLE(spi, ens160_spi_id); 46 47 static struct spi_driver ens160_spi_driver = { 48 .driver = { 49 .name = "ens160", 50 .of_match_table = ens160_spi_of_match, 51 .pm = pm_sleep_ptr(&ens160_pm_ops), 52 }, 53 .probe = ens160_spi_probe, 54 .id_table = ens160_spi_id, 55 }; 56 module_spi_driver(ens160_spi_driver); 57 58 MODULE_AUTHOR("Gustavo Silva <gustavograzs@gmail.com>"); 59 MODULE_DESCRIPTION("ScioSense ENS160 SPI driver"); 60 MODULE_LICENSE("GPL v2"); 61 MODULE_IMPORT_NS(IIO_ENS160); 62