1// SPDX-License-Identifier: GPL-2.0-only
2//
3// CS35L56 HDA audio driver SPI binding
4//
5// Copyright (C) 2023 Cirrus Logic, Inc. and
6//                    Cirrus Logic International Semiconductor Ltd.
7
8#include <linux/module.h>
9#include <linux/regmap.h>
10#include <linux/spi/spi.h>
11
12#include "cs35l56_hda.h"
13
14static int cs35l56_hda_spi_probe(struct spi_device *spi)
15{
16	struct cs35l56_hda *cs35l56;
17	int ret;
18
19	cs35l56 = devm_kzalloc(&spi->dev, sizeof(*cs35l56), GFP_KERNEL);
20	if (!cs35l56)
21		return -ENOMEM;
22
23	cs35l56->base.dev = &spi->dev;
24	cs35l56->base.regmap = devm_regmap_init_spi(spi, &cs35l56_regmap_spi);
25	if (IS_ERR(cs35l56->base.regmap)) {
26		ret = PTR_ERR(cs35l56->base.regmap);
27		dev_err(cs35l56->base.dev, "Failed to allocate register map: %d\n",
28			ret);
29		return ret;
30	}
31
32	ret = cs35l56_hda_common_probe(cs35l56, spi->chip_select);
33	if (ret)
34		return ret;
35	ret = cs35l56_irq_request(&cs35l56->base, spi->irq);
36	if (ret < 0)
37		cs35l56_hda_remove(cs35l56->base.dev);
38
39	return ret;
40}
41
42static void cs35l56_hda_spi_remove(struct spi_device *spi)
43{
44	cs35l56_hda_remove(&spi->dev);
45}
46
47static const struct spi_device_id cs35l56_hda_spi_id[] = {
48	{ "cs35l56-hda", 0 },
49	{}
50};
51
52static struct spi_driver cs35l56_hda_spi_driver = {
53	.driver = {
54		.name		= "cs35l56-hda",
55		.pm		= &cs35l56_hda_pm_ops,
56	},
57	.id_table	= cs35l56_hda_spi_id,
58	.probe		= cs35l56_hda_spi_probe,
59	.remove		= cs35l56_hda_spi_remove,
60};
61module_spi_driver(cs35l56_hda_spi_driver);
62
63MODULE_DESCRIPTION("HDA CS35L56 SPI driver");
64MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L56);
65MODULE_IMPORT_NS(SND_SOC_CS35L56_SHARED);
66MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
67MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>");
68MODULE_LICENSE("GPL");
69