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 kxsd9_common_remove(&spi->dev); 38 39 return 0; 40 } 41 42 static const struct spi_device_id kxsd9_spi_id[] = { 43 {"kxsd9", 0}, 44 { }, 45 }; 46 MODULE_DEVICE_TABLE(spi, kxsd9_spi_id); 47 48 static const struct of_device_id kxsd9_of_match[] = { 49 { .compatible = "kionix,kxsd9" }, 50 { }, 51 }; 52 MODULE_DEVICE_TABLE(of, kxsd9_of_match); 53 54 static struct spi_driver kxsd9_spi_driver = { 55 .driver = { 56 .name = "kxsd9", 57 .pm = &kxsd9_dev_pm_ops, 58 .of_match_table = kxsd9_of_match, 59 }, 60 .probe = kxsd9_spi_probe, 61 .remove = kxsd9_spi_remove, 62 .id_table = kxsd9_spi_id, 63 }; 64 module_spi_driver(kxsd9_spi_driver); 65 66 MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>"); 67 MODULE_DESCRIPTION("Kionix KXSD9 SPI driver"); 68 MODULE_LICENSE("GPL v2"); 69