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1// SPDX-License-Identifier: GPL-2.02/*3 * CS40L50 Advanced Haptic Driver with waveform memory,4 * integrated DSP, and closed-loop algorithms5 *6 * Copyright 2024 Cirrus Logic, Inc.7 *8 * Author: James Ogletree <james.ogletree@cirrus.com>9 */10 11#include <linux/mfd/cs40l50.h>12#include <linux/spi/spi.h>13 14static int cs40l50_spi_probe(struct spi_device *spi)15{16 struct cs40l50 *cs40l50;17 18 cs40l50 = devm_kzalloc(&spi->dev, sizeof(*cs40l50), GFP_KERNEL);19 if (!cs40l50)20 return -ENOMEM;21 22 spi_set_drvdata(spi, cs40l50);23 24 cs40l50->dev = &spi->dev;25 cs40l50->irq = spi->irq;26 27 cs40l50->regmap = devm_regmap_init_spi(spi, &cs40l50_regmap);28 if (IS_ERR(cs40l50->regmap))29 return dev_err_probe(cs40l50->dev, PTR_ERR(cs40l50->regmap),30 "Failed to initialize register map\n");31 32 return cs40l50_probe(cs40l50);33}34 35static void cs40l50_spi_remove(struct spi_device *spi)36{37 struct cs40l50 *cs40l50 = spi_get_drvdata(spi);38 39 cs40l50_remove(cs40l50);40}41 42static const struct spi_device_id cs40l50_id_spi[] = {43 { "cs40l50" },44 {}45};46MODULE_DEVICE_TABLE(spi, cs40l50_id_spi);47 48static const struct of_device_id cs40l50_of_match[] = {49 { .compatible = "cirrus,cs40l50" },50 {}51};52MODULE_DEVICE_TABLE(of, cs40l50_of_match);53 54static struct spi_driver cs40l50_spi_driver = {55 .driver = {56 .name = "cs40l50",57 .of_match_table = cs40l50_of_match,58 .pm = pm_ptr(&cs40l50_pm_ops),59 },60 .id_table = cs40l50_id_spi,61 .probe = cs40l50_spi_probe,62 .remove = cs40l50_spi_remove,63};64module_spi_driver(cs40l50_spi_driver);65 66MODULE_DESCRIPTION("CS40L50 SPI Driver");67MODULE_AUTHOR("James Ogletree, Cirrus Logic Inc. <james.ogletree@cirrus.com>");68MODULE_LICENSE("GPL");69