69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* CS40L50 Advanced Haptic Driver with waveform memory,
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* integrated DSP, and closed-loop algorithms
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*
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* Copyright 2024 Cirrus Logic, Inc.
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*
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* Author: James Ogletree <james.ogletree@cirrus.com>
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*/
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#include <linux/mfd/cs40l50.h>
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#include <linux/spi/spi.h>
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static int cs40l50_spi_probe(struct spi_device *spi)
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{
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struct cs40l50 *cs40l50;
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cs40l50 = devm_kzalloc(&spi->dev, sizeof(*cs40l50), GFP_KERNEL);
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if (!cs40l50)
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return -ENOMEM;
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spi_set_drvdata(spi, cs40l50);
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cs40l50->dev = &spi->dev;
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cs40l50->irq = spi->irq;
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cs40l50->regmap = devm_regmap_init_spi(spi, &cs40l50_regmap);
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if (IS_ERR(cs40l50->regmap))
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return dev_err_probe(cs40l50->dev, PTR_ERR(cs40l50->regmap),
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"Failed to initialize register map\n");
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return cs40l50_probe(cs40l50);
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}
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static void cs40l50_spi_remove(struct spi_device *spi)
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{
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struct cs40l50 *cs40l50 = spi_get_drvdata(spi);
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cs40l50_remove(cs40l50);
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}
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static const struct spi_device_id cs40l50_id_spi[] = {
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{ "cs40l50" },
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{}
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};
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MODULE_DEVICE_TABLE(spi, cs40l50_id_spi);
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static const struct of_device_id cs40l50_of_match[] = {
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{ .compatible = "cirrus,cs40l50" },
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{}
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};
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MODULE_DEVICE_TABLE(of, cs40l50_of_match);
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static struct spi_driver cs40l50_spi_driver = {
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.driver = {
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.name = "cs40l50",
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.of_match_table = cs40l50_of_match,
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.pm = pm_ptr(&cs40l50_pm_ops),
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},
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.id_table = cs40l50_id_spi,
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.probe = cs40l50_spi_probe,
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.remove = cs40l50_spi_remove,
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};
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module_spi_driver(cs40l50_spi_driver);
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MODULE_DESCRIPTION("CS40L50 SPI Driver");
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MODULE_AUTHOR("James Ogletree, Cirrus Logic Inc. <james.ogletree@cirrus.com>");
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MODULE_LICENSE("GPL");
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