1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * PCM179X ASoC SPI driver 4 * 5 * Copyright (c) Amarula Solutions B.V. 2013 6 * 7 * Michael Trimarchi <michael@amarulasolutions.com> 8 */ 9 10 #include <linux/module.h> 11 #include <linux/of.h> 12 #include <linux/spi/spi.h> 13 #include <linux/regmap.h> 14 15 #include "pcm179x.h" 16 17 static int pcm179x_spi_probe(struct spi_device *spi) 18 { 19 struct regmap *regmap; 20 int ret; 21 22 regmap = devm_regmap_init_spi(spi, &pcm179x_regmap_config); 23 if (IS_ERR(regmap)) { 24 ret = PTR_ERR(regmap); 25 dev_err(&spi->dev, "Failed to allocate regmap: %d\n", ret); 26 return ret; 27 } 28 29 return pcm179x_common_init(&spi->dev, regmap); 30 } 31 32 static const struct of_device_id pcm179x_of_match[] = { 33 { .compatible = "ti,pcm1792a", }, 34 { } 35 }; 36 MODULE_DEVICE_TABLE(of, pcm179x_of_match); 37 38 static const struct spi_device_id pcm179x_spi_ids[] = { 39 { "pcm179x", 0 }, 40 { }, 41 }; 42 MODULE_DEVICE_TABLE(spi, pcm179x_spi_ids); 43 44 static struct spi_driver pcm179x_spi_driver = { 45 .driver = { 46 .name = "pcm179x", 47 .of_match_table = of_match_ptr(pcm179x_of_match), 48 }, 49 .id_table = pcm179x_spi_ids, 50 .probe = pcm179x_spi_probe, 51 }; 52 53 module_spi_driver(pcm179x_spi_driver); 54 55 MODULE_DESCRIPTION("ASoC PCM179X SPI driver"); 56 MODULE_AUTHOR("Michael Trimarchi <michael@amarulasolutions.com>"); 57 MODULE_LICENSE("GPL"); 58