mirror of
https://github.com/torvalds/linux.git
synced 2024-09-20 06:53:04 +00:00
cb626376cb
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
|
|
/*
|
|
* CS40L50 Advanced Haptic Driver with waveform memory,
|
|
* integrated DSP, and closed-loop algorithms
|
|
*
|
|
* Copyright 2024 Cirrus Logic, Inc.
|
|
*
|
|
* Author: James Ogletree <james.ogletree@cirrus.com>
|
|
*/
|
|
|
|
#include <linux/mfd/cs40l50.h>
|
|
#include <linux/spi/spi.h>
|
|
|
|
static int cs40l50_spi_probe(struct spi_device *spi)
|
|
{
|
|
struct cs40l50 *cs40l50;
|
|
|
|
cs40l50 = devm_kzalloc(&spi->dev, sizeof(*cs40l50), GFP_KERNEL);
|
|
if (!cs40l50)
|
|
return -ENOMEM;
|
|
|
|
spi_set_drvdata(spi, cs40l50);
|
|
|
|
cs40l50->dev = &spi->dev;
|
|
cs40l50->irq = spi->irq;
|
|
|
|
cs40l50->regmap = devm_regmap_init_spi(spi, &cs40l50_regmap);
|
|
if (IS_ERR(cs40l50->regmap))
|
|
return dev_err_probe(cs40l50->dev, PTR_ERR(cs40l50->regmap),
|
|
"Failed to initialize register map\n");
|
|
|
|
return cs40l50_probe(cs40l50);
|
|
}
|
|
|
|
static void cs40l50_spi_remove(struct spi_device *spi)
|
|
{
|
|
struct cs40l50 *cs40l50 = spi_get_drvdata(spi);
|
|
|
|
cs40l50_remove(cs40l50);
|
|
}
|
|
|
|
static const struct spi_device_id cs40l50_id_spi[] = {
|
|
{ "cs40l50" },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(spi, cs40l50_id_spi);
|
|
|
|
static const struct of_device_id cs40l50_of_match[] = {
|
|
{ .compatible = "cirrus,cs40l50" },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, cs40l50_of_match);
|
|
|
|
static struct spi_driver cs40l50_spi_driver = {
|
|
.driver = {
|
|
.name = "cs40l50",
|
|
.of_match_table = cs40l50_of_match,
|
|
.pm = pm_ptr(&cs40l50_pm_ops),
|
|
},
|
|
.id_table = cs40l50_id_spi,
|
|
.probe = cs40l50_spi_probe,
|
|
.remove = cs40l50_spi_remove,
|
|
};
|
|
module_spi_driver(cs40l50_spi_driver);
|
|
|
|
MODULE_DESCRIPTION("CS40L50 SPI Driver");
|
|
MODULE_AUTHOR("James Ogletree, Cirrus Logic Inc. <james.ogletree@cirrus.com>");
|
|
MODULE_LICENSE("GPL");
|