| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Driver for NXP Fxas21002c Gyroscope - SPI |
| * |
| * Copyright (C) 2019 Linaro Ltd. |
| */ |
| |
| #include <linux/err.h> |
| #include <linux/mod_devicetable.h> |
| #include <linux/module.h> |
| #include <linux/regmap.h> |
| #include <linux/spi/spi.h> |
| |
| #include "fxas21002c.h" |
| |
| static const struct regmap_config fxas21002c_regmap_spi_conf = { |
| .reg_bits = 8, |
| .val_bits = 8, |
| .max_register = FXAS21002C_REG_CTRL3, |
| }; |
| |
| static int fxas21002c_spi_probe(struct spi_device *spi) |
| { |
| const struct spi_device_id *id = spi_get_device_id(spi); |
| struct regmap *regmap; |
| |
| regmap = devm_regmap_init_spi(spi, &fxas21002c_regmap_spi_conf); |
| if (IS_ERR(regmap)) { |
| dev_err(&spi->dev, "Failed to register spi regmap: %ld\n", |
| PTR_ERR(regmap)); |
| return PTR_ERR(regmap); |
| } |
| |
| return fxas21002c_core_probe(&spi->dev, regmap, spi->irq, id->name); |
| } |
| |
| static void fxas21002c_spi_remove(struct spi_device *spi) |
| { |
| fxas21002c_core_remove(&spi->dev); |
| } |
| |
| static const struct spi_device_id fxas21002c_spi_id[] = { |
| { "fxas21002c", 0 }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(spi, fxas21002c_spi_id); |
| |
| static const struct of_device_id fxas21002c_spi_of_match[] = { |
| { .compatible = "nxp,fxas21002c", }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(of, fxas21002c_spi_of_match); |
| |
| static struct spi_driver fxas21002c_spi_driver = { |
| .driver = { |
| .name = "fxas21002c_spi", |
| .pm = &fxas21002c_pm_ops, |
| .of_match_table = fxas21002c_spi_of_match, |
| }, |
| .probe = fxas21002c_spi_probe, |
| .remove = fxas21002c_spi_remove, |
| .id_table = fxas21002c_spi_id, |
| }; |
| module_spi_driver(fxas21002c_spi_driver); |
| |
| MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>"); |
| MODULE_LICENSE("GPL v2"); |
| MODULE_DESCRIPTION("FXAS21002C SPI Gyro driver"); |