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66 lines
1.6 KiB
66 lines
1.6 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* ADXL355 3-Axis Digital Accelerometer SPI driver |
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* |
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* Copyright (c) 2021 Puranjay Mohan <[email protected]> |
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*/ |
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#include <linux/module.h> |
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#include <linux/mod_devicetable.h> |
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#include <linux/regmap.h> |
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#include <linux/spi/spi.h> |
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#include "adxl355.h" |
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static const struct regmap_config adxl355_spi_regmap_config = { |
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.reg_bits = 7, |
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.pad_bits = 1, |
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.val_bits = 8, |
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.read_flag_mask = BIT(0), |
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.max_register = 0x2F, |
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.rd_table = &adxl355_readable_regs_tbl, |
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.wr_table = &adxl355_writeable_regs_tbl, |
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}; |
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static int adxl355_spi_probe(struct spi_device *spi) |
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{ |
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const struct spi_device_id *id = spi_get_device_id(spi); |
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struct regmap *regmap; |
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regmap = devm_regmap_init_spi(spi, &adxl355_spi_regmap_config); |
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if (IS_ERR(regmap)) { |
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dev_err(&spi->dev, "Error initializing spi regmap: %ld\n", |
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PTR_ERR(regmap)); |
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return PTR_ERR(regmap); |
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} |
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return adxl355_core_probe(&spi->dev, regmap, id->name); |
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} |
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static const struct spi_device_id adxl355_spi_id[] = { |
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{ "adxl355", 0 }, |
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{ } |
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}; |
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MODULE_DEVICE_TABLE(spi, adxl355_spi_id); |
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static const struct of_device_id adxl355_of_match[] = { |
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{ .compatible = "adi,adxl355" }, |
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{ } |
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}; |
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MODULE_DEVICE_TABLE(of, adxl355_of_match); |
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static struct spi_driver adxl355_spi_driver = { |
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.driver = { |
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.name = "adxl355_spi", |
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.of_match_table = adxl355_of_match, |
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}, |
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.probe = adxl355_spi_probe, |
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.id_table = adxl355_spi_id, |
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}; |
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module_spi_driver(adxl355_spi_driver); |
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MODULE_AUTHOR("Puranjay Mohan <[email protected]>"); |
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MODULE_DESCRIPTION("ADXL355 3-Axis Digital Accelerometer SPI driver"); |
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MODULE_LICENSE("GPL v2"); |
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MODULE_IMPORT_NS(IIO_ADXL355);
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