1*6014e902STakashi Iwai // SPDX-License-Identifier: GPL-2.0
2*6014e902STakashi Iwai //
3*6014e902STakashi Iwai // CS35l41 HDA SPI driver
4*6014e902STakashi Iwai //
5*6014e902STakashi Iwai // Copyright 2021 Cirrus Logic, Inc.
6*6014e902STakashi Iwai //
7*6014e902STakashi Iwai // Author: Lucas Tanure <tanureal@opensource.cirrus.com>
8*6014e902STakashi Iwai
9*6014e902STakashi Iwai #include <linux/mod_devicetable.h>
10*6014e902STakashi Iwai #include <linux/module.h>
11*6014e902STakashi Iwai #include <linux/spi/spi.h>
12*6014e902STakashi Iwai
13*6014e902STakashi Iwai #include "cs35l41_hda.h"
14*6014e902STakashi Iwai
cs35l41_hda_spi_probe(struct spi_device * spi)15*6014e902STakashi Iwai static int cs35l41_hda_spi_probe(struct spi_device *spi)
16*6014e902STakashi Iwai {
17*6014e902STakashi Iwai const char *device_name;
18*6014e902STakashi Iwai
19*6014e902STakashi Iwai /*
20*6014e902STakashi Iwai * Compare against the device name so it works for SPI, normal ACPI
21*6014e902STakashi Iwai * and for ACPI by serial-multi-instantiate matching cases.
22*6014e902STakashi Iwai */
23*6014e902STakashi Iwai if (strstr(dev_name(&spi->dev), "CSC3551"))
24*6014e902STakashi Iwai device_name = "CSC3551";
25*6014e902STakashi Iwai else
26*6014e902STakashi Iwai return -ENODEV;
27*6014e902STakashi Iwai
28*6014e902STakashi Iwai return cs35l41_hda_probe(&spi->dev, device_name, spi_get_chipselect(spi, 0), spi->irq,
29*6014e902STakashi Iwai devm_regmap_init_spi(spi, &cs35l41_regmap_spi), SPI);
30*6014e902STakashi Iwai }
31*6014e902STakashi Iwai
cs35l41_hda_spi_remove(struct spi_device * spi)32*6014e902STakashi Iwai static void cs35l41_hda_spi_remove(struct spi_device *spi)
33*6014e902STakashi Iwai {
34*6014e902STakashi Iwai cs35l41_hda_remove(&spi->dev);
35*6014e902STakashi Iwai }
36*6014e902STakashi Iwai
37*6014e902STakashi Iwai static const struct spi_device_id cs35l41_hda_spi_id[] = {
38*6014e902STakashi Iwai { "cs35l41-hda", 0 },
39*6014e902STakashi Iwai {}
40*6014e902STakashi Iwai };
41*6014e902STakashi Iwai MODULE_DEVICE_TABLE(spi, cs35l41_hda_spi_id);
42*6014e902STakashi Iwai
43*6014e902STakashi Iwai static const struct acpi_device_id cs35l41_acpi_hda_match[] = {
44*6014e902STakashi Iwai { "CSC3551", 0 },
45*6014e902STakashi Iwai {}
46*6014e902STakashi Iwai };
47*6014e902STakashi Iwai MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match);
48*6014e902STakashi Iwai
49*6014e902STakashi Iwai static struct spi_driver cs35l41_spi_driver = {
50*6014e902STakashi Iwai .driver = {
51*6014e902STakashi Iwai .name = "cs35l41-hda",
52*6014e902STakashi Iwai .acpi_match_table = cs35l41_acpi_hda_match,
53*6014e902STakashi Iwai .pm = &cs35l41_hda_pm_ops,
54*6014e902STakashi Iwai },
55*6014e902STakashi Iwai .id_table = cs35l41_hda_spi_id,
56*6014e902STakashi Iwai .probe = cs35l41_hda_spi_probe,
57*6014e902STakashi Iwai .remove = cs35l41_hda_spi_remove,
58*6014e902STakashi Iwai };
59*6014e902STakashi Iwai module_spi_driver(cs35l41_spi_driver);
60*6014e902STakashi Iwai
61*6014e902STakashi Iwai MODULE_DESCRIPTION("HDA CS35L41 driver");
62*6014e902STakashi Iwai MODULE_IMPORT_NS("SND_HDA_SCODEC_CS35L41");
63*6014e902STakashi Iwai MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>");
64*6014e902STakashi Iwai MODULE_LICENSE("GPL");
65