xref: /openbmc/linux/sound/soc/codecs/pcm179x-spi.c (revision 413beba1)
1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
21b347b68SJacob Siverskog /*
31b347b68SJacob Siverskog  * PCM179X ASoC SPI driver
41b347b68SJacob Siverskog  *
51b347b68SJacob Siverskog  * Copyright (c) Amarula Solutions B.V. 2013
61b347b68SJacob Siverskog  *
71b347b68SJacob Siverskog  *     Michael Trimarchi <michael@amarulasolutions.com>
81b347b68SJacob Siverskog  */
91b347b68SJacob Siverskog 
101b347b68SJacob Siverskog #include <linux/module.h>
111b347b68SJacob Siverskog #include <linux/of.h>
121b347b68SJacob Siverskog #include <linux/spi/spi.h>
131b347b68SJacob Siverskog #include <linux/regmap.h>
141b347b68SJacob Siverskog 
151b347b68SJacob Siverskog #include "pcm179x.h"
161b347b68SJacob Siverskog 
pcm179x_spi_probe(struct spi_device * spi)171b347b68SJacob Siverskog static int pcm179x_spi_probe(struct spi_device *spi)
181b347b68SJacob Siverskog {
191b347b68SJacob Siverskog 	struct regmap *regmap;
201b347b68SJacob Siverskog 	int ret;
211b347b68SJacob Siverskog 
221b347b68SJacob Siverskog 	regmap = devm_regmap_init_spi(spi, &pcm179x_regmap_config);
231b347b68SJacob Siverskog 	if (IS_ERR(regmap)) {
241b347b68SJacob Siverskog 		ret = PTR_ERR(regmap);
251b347b68SJacob Siverskog 		dev_err(&spi->dev, "Failed to allocate regmap: %d\n", ret);
261b347b68SJacob Siverskog 		return ret;
271b347b68SJacob Siverskog 	}
281b347b68SJacob Siverskog 
291b347b68SJacob Siverskog 	return pcm179x_common_init(&spi->dev, regmap);
301b347b68SJacob Siverskog }
311b347b68SJacob Siverskog 
32*413beba1SKrzysztof Kozlowski static const struct of_device_id pcm179x_of_match[] __maybe_unused = {
331b347b68SJacob Siverskog 	{ .compatible = "ti,pcm1792a", },
341b347b68SJacob Siverskog 	{ }
351b347b68SJacob Siverskog };
361b347b68SJacob Siverskog MODULE_DEVICE_TABLE(of, pcm179x_of_match);
371b347b68SJacob Siverskog 
381b347b68SJacob Siverskog static const struct spi_device_id pcm179x_spi_ids[] = {
39ceef3240SMark Brown 	{ "pcm1792a", 0 },
401b347b68SJacob Siverskog 	{ "pcm179x", 0 },
411b347b68SJacob Siverskog 	{ },
421b347b68SJacob Siverskog };
431b347b68SJacob Siverskog MODULE_DEVICE_TABLE(spi, pcm179x_spi_ids);
441b347b68SJacob Siverskog 
451b347b68SJacob Siverskog static struct spi_driver pcm179x_spi_driver = {
461b347b68SJacob Siverskog 	.driver = {
471b347b68SJacob Siverskog 		.name = "pcm179x",
481b347b68SJacob Siverskog 		.of_match_table = of_match_ptr(pcm179x_of_match),
491b347b68SJacob Siverskog 	},
501b347b68SJacob Siverskog 	.id_table = pcm179x_spi_ids,
511b347b68SJacob Siverskog 	.probe = pcm179x_spi_probe,
521b347b68SJacob Siverskog };
531b347b68SJacob Siverskog 
541b347b68SJacob Siverskog module_spi_driver(pcm179x_spi_driver);
551b347b68SJacob Siverskog 
561b347b68SJacob Siverskog MODULE_DESCRIPTION("ASoC PCM179X SPI driver");
571b347b68SJacob Siverskog MODULE_AUTHOR("Michael Trimarchi <michael@amarulasolutions.com>");
581b347b68SJacob Siverskog MODULE_LICENSE("GPL");
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