1 // SPDX-License-Identifier: GPL-2.0-only 2 #include <linux/device.h> 3 #include <linux/kernel.h> 4 #include <linux/of.h> 5 #include <linux/of_device.h> 6 #include <linux/spi/spi.h> 7 #include <linux/module.h> 8 #include <linux/slab.h> 9 #include <linux/regmap.h> 10 11 #include "kxsd9.h" 12 13 static int kxsd9_spi_probe(struct spi_device *spi) 14 { 15 static const struct regmap_config config = { 16 .reg_bits = 8, 17 .val_bits = 8, 18 .max_register = 0x0e, 19 }; 20 struct regmap *regmap; 21 22 spi->mode = SPI_MODE_0; 23 regmap = devm_regmap_init_spi(spi, &config); 24 if (IS_ERR(regmap)) { 25 dev_err(&spi->dev, "%s: regmap allocation failed: %ld\n", 26 __func__, PTR_ERR(regmap)); 27 return PTR_ERR(regmap); 28 } 29 30 return kxsd9_common_probe(&spi->dev, 31 regmap, 32 spi_get_device_id(spi)->name); 33 } 34 35 static int kxsd9_spi_remove(struct spi_device *spi) 36 { 37 return kxsd9_common_remove(&spi->dev); 38 } 39 40 static const struct spi_device_id kxsd9_spi_id[] = { 41 {"kxsd9", 0}, 42 { }, 43 }; 44 MODULE_DEVICE_TABLE(spi, kxsd9_spi_id); 45 46 static const struct of_device_id kxsd9_of_match[] = { 47 { .compatible = "kionix,kxsd9" }, 48 { }, 49 }; 50 MODULE_DEVICE_TABLE(of, kxsd9_of_match); 51 52 static struct spi_driver kxsd9_spi_driver = { 53 .driver = { 54 .name = "kxsd9", 55 .pm = &kxsd9_dev_pm_ops, 56 .of_match_table = kxsd9_of_match, 57 }, 58 .probe = kxsd9_spi_probe, 59 .remove = kxsd9_spi_remove, 60 .id_table = kxsd9_spi_id, 61 }; 62 module_spi_driver(kxsd9_spi_driver); 63 64 MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>"); 65 MODULE_DESCRIPTION("Kionix KXSD9 SPI driver"); 66 MODULE_LICENSE("GPL v2"); 67