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// SPDX-License-Identifier: GPL-2.0
//
// cs35l45-spi.c -- CS35L45 SPI driver
//
// Copyright 2019-2022 Cirrus Logic, Inc.
//
// Author: James Schulman <james.schulman@cirrus.com>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include "cs35l45.h"
static int cs35l45_spi_probe(struct spi_device *spi)
{
struct cs35l45_private *cs35l45;
struct device *dev = &spi->dev;
int ret;
cs35l45 = devm_kzalloc(dev, sizeof(struct cs35l45_private), GFP_KERNEL);
if (cs35l45 == NULL)
return -ENOMEM;
spi->max_speed_hz = CS35L45_SPI_MAX_FREQ;
spi_setup(spi);
spi_set_drvdata(spi, cs35l45);
cs35l45->regmap = devm_regmap_init_spi(spi, &cs35l45_spi_regmap);
if (IS_ERR(cs35l45->regmap)) {
ret = PTR_ERR(cs35l45->regmap);
dev_err(dev, "Failed to allocate register map: %d\n", ret);
return ret;
}
cs35l45->dev = dev;
cs35l45->irq = spi->irq;
cs35l45->bus_type = CONTROL_BUS_SPI;
return cs35l45_probe(cs35l45);
}
static void cs35l45_spi_remove(struct spi_device *spi)
{
struct cs35l45_private *cs35l45 = spi_get_drvdata(spi);
cs35l45_remove(cs35l45);
}
static const struct of_device_id cs35l45_of_match[] = {
{ .compatible = "cirrus,cs35l45" },
{},
};
MODULE_DEVICE_TABLE(of, cs35l45_of_match);
static const struct spi_device_id cs35l45_id_spi[] = {
{ "cs35l45", 0 },
{}
};
MODULE_DEVICE_TABLE(spi, cs35l45_id_spi);
static struct spi_driver cs35l45_spi_driver = {
.driver = {
.name = "cs35l45",
.of_match_table = cs35l45_of_match,
.pm = pm_ptr(&cs35l45_pm_ops),
},
.id_table = cs35l45_id_spi,
.probe = cs35l45_spi_probe,
.remove = cs35l45_spi_remove,
};
module_spi_driver(cs35l45_spi_driver);
MODULE_DESCRIPTION("SPI CS35L45 driver");
MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS(SND_SOC_CS35L45);
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