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
cs35l56_hda_spi_probe(struct spi_device * spi)14 static 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
cs35l56_hda_spi_remove(struct spi_device * spi)42 static void cs35l56_hda_spi_remove(struct spi_device *spi)
43 {
44 cs35l56_hda_remove(&spi->dev);
45 }
46
47 static const struct spi_device_id cs35l56_hda_spi_id[] = {
48 { "cs35l56-hda", 0 },
49 {}
50 };
51
52 static 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 };
61 module_spi_driver(cs35l56_hda_spi_driver);
62
63 MODULE_DESCRIPTION("HDA CS35L56 SPI driver");
64 MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L56);
65 MODULE_IMPORT_NS(SND_SOC_CS35L56_SHARED);
66 MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
67 MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>");
68 MODULE_LICENSE("GPL");
69
