projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 4da38f1b RMS |
1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* | |
| 3 | * Driver for NXP Fxas21002c Gyroscope - SPI | |
| 4 | * | |
| 5 | * Copyright (C) 2019 Linaro Ltd. | |
| 6 | */ | |
| 7 | ||
| 8 | #include <linux/err.h> | |
| 9 | #include <linux/mod_devicetable.h> | |
| 10 | #include <linux/module.h> | |
| 11 | #include <linux/regmap.h> | |
| 12 | #include <linux/spi/spi.h> | |
| 13 | ||
| 14 | #include "fxas21002c.h" | |
| 15 | ||
| 16 | static const struct regmap_config fxas21002c_regmap_spi_conf = { | |
| 17 | .reg_bits = 8, | |
| 18 | .val_bits = 8, | |
| 19 | .max_register = FXAS21002C_REG_CTRL3, | |
| 20 | }; | |
| 21 | ||
| 22 | static int fxas21002c_spi_probe(struct spi_device *spi) | |
| 23 | { | |
| 24 | const struct spi_device_id *id = spi_get_device_id(spi); | |
| 25 | struct regmap *regmap; | |
| 26 | ||
| 27 | regmap = devm_regmap_init_spi(spi, &fxas21002c_regmap_spi_conf); | |
| 28 | if (IS_ERR(regmap)) { | |
| 29 | dev_err(&spi->dev, "Failed to register spi regmap: %ld\n", | |
| 30 | PTR_ERR(regmap)); | |
| 31 | return PTR_ERR(regmap); | |
| 32 | } | |
| 33 | ||
| 34 | return fxas21002c_core_probe(&spi->dev, regmap, spi->irq, id->name); | |
| 35 | } | |
| 36 | ||
| 37 | static int fxas21002c_spi_remove(struct spi_device *spi) | |
| 38 | { | |
| 39 | fxas21002c_core_remove(&spi->dev); | |
| 40 | ||
| 41 | return 0; | |
| 42 | } | |
| 43 | ||
| 44 | static const struct spi_device_id fxas21002c_spi_id[] = { | |
| 45 | { "fxas21002c", 0 }, | |
| 46 | { } | |
| 47 | }; | |
| 48 | MODULE_DEVICE_TABLE(spi, fxas21002c_spi_id); | |
| 49 | ||
| 50 | static const struct of_device_id fxas21002c_spi_of_match[] = { | |
| 51 | { .compatible = "nxp,fxas21002c", }, | |
| 52 | { } | |
| 53 | }; | |
| 54 | MODULE_DEVICE_TABLE(of, fxas21002c_spi_of_match); | |
| 55 | ||
| 56 | static struct spi_driver fxas21002c_spi_driver = { | |
| 57 | .driver = { | |
| 58 | .name = "fxas21002c_spi", | |
| 59 | .pm = &fxas21002c_pm_ops, | |
| 60 | .of_match_table = fxas21002c_spi_of_match, | |
| 61 | }, | |
| 62 | .probe = fxas21002c_spi_probe, | |
| 63 | .remove = fxas21002c_spi_remove, | |
| 64 | .id_table = fxas21002c_spi_id, | |
| 65 | }; | |
| 66 | module_spi_driver(fxas21002c_spi_driver); | |
| 67 | ||
| 68 | MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>"); | |
| 69 | MODULE_LICENSE("GPL v2"); | |
| 70 | MODULE_DESCRIPTION("FXAS21002C SPI Gyro driver"); |