90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
//
|
|
// CS35L56 ALSA SoC audio driver SPI binding
|
|
//
|
|
// Copyright (C) 2023 Cirrus Logic, Inc. and
|
|
// Cirrus Logic International Semiconductor Ltd.
|
|
|
|
#include <linux/acpi.h>
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/types.h>
|
|
|
|
#include "cs35l56.h"
|
|
|
|
static int cs35l56_spi_probe(struct spi_device *spi)
|
|
{
|
|
const struct regmap_config *regmap_config = &cs35l56_regmap_spi;
|
|
struct cs35l56_private *cs35l56;
|
|
int ret;
|
|
|
|
cs35l56 = devm_kzalloc(&spi->dev, sizeof(struct cs35l56_private), GFP_KERNEL);
|
|
if (!cs35l56)
|
|
return -ENOMEM;
|
|
|
|
spi_set_drvdata(spi, cs35l56);
|
|
cs35l56->base.regmap = devm_regmap_init_spi(spi, regmap_config);
|
|
if (IS_ERR(cs35l56->base.regmap)) {
|
|
ret = PTR_ERR(cs35l56->base.regmap);
|
|
return dev_err_probe(&spi->dev, ret, "Failed to allocate register map\n");
|
|
}
|
|
|
|
cs35l56->base.dev = &spi->dev;
|
|
cs35l56->base.can_hibernate = true;
|
|
|
|
ret = cs35l56_common_probe(cs35l56);
|
|
if (ret != 0)
|
|
return ret;
|
|
|
|
ret = cs35l56_init(cs35l56);
|
|
if (ret == 0)
|
|
ret = cs35l56_irq_request(&cs35l56->base, spi->irq);
|
|
if (ret < 0)
|
|
cs35l56_remove(cs35l56);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void cs35l56_spi_remove(struct spi_device *spi)
|
|
{
|
|
struct cs35l56_private *cs35l56 = spi_get_drvdata(spi);
|
|
|
|
cs35l56_remove(cs35l56);
|
|
}
|
|
|
|
static const struct spi_device_id cs35l56_id_spi[] = {
|
|
{ "cs35l56", 0 },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(spi, cs35l56_id_spi);
|
|
|
|
#ifdef CONFIG_ACPI
|
|
static const struct acpi_device_id cs35l56_asoc_acpi_match[] = {
|
|
{ "CSC355C", 0 },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(acpi, cs35l56_asoc_acpi_match);
|
|
#endif
|
|
|
|
static struct spi_driver cs35l56_spi_driver = {
|
|
.driver = {
|
|
.name = "cs35l56",
|
|
.pm = pm_ptr(&cs35l56_pm_ops_i2c_spi),
|
|
.acpi_match_table = ACPI_PTR(cs35l56_asoc_acpi_match),
|
|
},
|
|
.id_table = cs35l56_id_spi,
|
|
.probe = cs35l56_spi_probe,
|
|
.remove = cs35l56_spi_remove,
|
|
};
|
|
|
|
module_spi_driver(cs35l56_spi_driver);
|
|
|
|
MODULE_DESCRIPTION("ASoC CS35L56 SPI driver");
|
|
MODULE_IMPORT_NS(SND_SOC_CS35L56_CORE);
|
|
MODULE_IMPORT_NS(SND_SOC_CS35L56_SHARED);
|
|
MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
|
|
MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>");
|
|
MODULE_LICENSE("GPL");
|