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Introduce support for Cirrus Logic Device CS40L50: a haptic driver with waveform memory, integrated DSP, and closed-loop algorithms. The MFD component registers and initializes the device. Signed-off-by: James Ogletree <jogletre@opensource.cirrus.com> Reviewed-by: Jeff LaBundy <jeff@labundy.com> Link: https://lore.kernel.org/r/20240620161745.2312359-4-jogletre@opensource.cirrus.com Signed-off-by: Lee Jones <lee@kernel.org>
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
// 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/i2c.h>
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#include <linux/mfd/cs40l50.h>
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static int cs40l50_i2c_probe(struct i2c_client *i2c)
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{
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struct cs40l50 *cs40l50;
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cs40l50 = devm_kzalloc(&i2c->dev, sizeof(*cs40l50), GFP_KERNEL);
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if (!cs40l50)
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return -ENOMEM;
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i2c_set_clientdata(i2c, cs40l50);
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cs40l50->dev = &i2c->dev;
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cs40l50->irq = i2c->irq;
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cs40l50->regmap = devm_regmap_init_i2c(i2c, &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_i2c_remove(struct i2c_client *i2c)
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{
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struct cs40l50 *cs40l50 = i2c_get_clientdata(i2c);
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cs40l50_remove(cs40l50);
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}
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static const struct i2c_device_id cs40l50_id_i2c[] = {
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{ "cs40l50" },
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{}
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};
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MODULE_DEVICE_TABLE(i2c, cs40l50_id_i2c);
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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 i2c_driver cs40l50_i2c_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_i2c,
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.probe = cs40l50_i2c_probe,
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.remove = cs40l50_i2c_remove,
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};
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module_i2c_driver(cs40l50_i2c_driver);
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MODULE_DESCRIPTION("CS40L50 I2C 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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