1 // SPDX-License-Identifier: GPL-2.0-only
3 // CS35L56 HDA audio driver SPI binding
5 // Copyright (C) 2023 Cirrus Logic, Inc. and
6 // Cirrus Logic International Semiconductor Ltd.
8 #include <linux/module.h>
9 #include <linux/regmap.h>
10 #include <linux/spi/spi.h>
12 #include "cs35l56_hda.h"
14 static int cs35l56_hda_spi_probe(struct spi_device *spi)
16 struct cs35l56_hda *cs35l56;
19 cs35l56 = devm_kzalloc(&spi->dev, sizeof(*cs35l56), GFP_KERNEL);
23 cs35l56->base.dev = &spi->dev;
25 #ifdef CS35L56_WAKE_HOLD_TIME_US
26 cs35l56->base.can_hibernate = true;
28 cs35l56->base.regmap = devm_regmap_init_spi(spi, &cs35l56_regmap_spi);
29 if (IS_ERR(cs35l56->base.regmap)) {
30 ret = PTR_ERR(cs35l56->base.regmap);
31 dev_err(cs35l56->base.dev, "Failed to allocate register map: %d\n",
36 ret = cs35l56_hda_common_probe(cs35l56, spi->chip_select);
39 ret = cs35l56_irq_request(&cs35l56->base, spi->irq);
41 cs35l56_hda_remove(cs35l56->base.dev);
46 static void cs35l56_hda_spi_remove(struct spi_device *spi)
48 cs35l56_hda_remove(&spi->dev);
51 static const struct spi_device_id cs35l56_hda_spi_id[] = {
56 static struct spi_driver cs35l56_hda_spi_driver = {
58 .name = "cs35l56-hda",
59 .pm = &cs35l56_hda_pm_ops,
61 .id_table = cs35l56_hda_spi_id,
62 .probe = cs35l56_hda_spi_probe,
63 .remove = cs35l56_hda_spi_remove,
65 module_spi_driver(cs35l56_hda_spi_driver);
67 MODULE_DESCRIPTION("HDA CS35L56 SPI driver");
68 MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L56);
69 MODULE_IMPORT_NS(SND_SOC_CS35L56_SHARED);
70 MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
71 MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>");
72 MODULE_LICENSE("GPL");