brintos

brintos / linux-shallow public Read only

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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/i2c.h>12#include <linux/mfd/cs40l50.h>13 14static int cs40l50_i2c_probe(struct i2c_client *i2c)15{16	struct cs40l50 *cs40l50;17 18	cs40l50 = devm_kzalloc(&i2c->dev, sizeof(*cs40l50), GFP_KERNEL);19	if (!cs40l50)20		return -ENOMEM;21 22	i2c_set_clientdata(i2c, cs40l50);23 24	cs40l50->dev = &i2c->dev;25	cs40l50->irq = i2c->irq;26 27	cs40l50->regmap = devm_regmap_init_i2c(i2c, &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_i2c_remove(struct i2c_client *i2c)36{37	struct cs40l50 *cs40l50 = i2c_get_clientdata(i2c);38 39	cs40l50_remove(cs40l50);40}41 42static const struct i2c_device_id cs40l50_id_i2c[] = {43	{ "cs40l50" },44	{}45};46MODULE_DEVICE_TABLE(i2c, cs40l50_id_i2c);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 i2c_driver cs40l50_i2c_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_i2c,61	.probe = cs40l50_i2c_probe,62	.remove = cs40l50_i2c_remove,63};64module_i2c_driver(cs40l50_i2c_driver);65 66MODULE_DESCRIPTION("CS40L50 I2C Driver");67MODULE_AUTHOR("James Ogletree, Cirrus Logic Inc. <james.ogletree@cirrus.com>");68MODULE_LICENSE("GPL");69