1 /* 2 * PCM179X ASoC SPI driver 3 * 4 * Copyright (c) Amarula Solutions B.V. 2013 5 * 6 * Michael Trimarchi <michael@amarulasolutions.com> 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License 10 * as published by the Free Software Foundation; either version 2 11 * of the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 */ 18 19 #include <linux/module.h> 20 #include <linux/of.h> 21 #include <linux/spi/spi.h> 22 #include <linux/regmap.h> 23 24 #include "pcm179x.h" 25 26 static int pcm179x_spi_probe(struct spi_device *spi) 27 { 28 struct regmap *regmap; 29 int ret; 30 31 regmap = devm_regmap_init_spi(spi, &pcm179x_regmap_config); 32 if (IS_ERR(regmap)) { 33 ret = PTR_ERR(regmap); 34 dev_err(&spi->dev, "Failed to allocate regmap: %d\n", ret); 35 return ret; 36 } 37 38 return pcm179x_common_init(&spi->dev, regmap); 39 } 40 41 static int pcm179x_spi_remove(struct spi_device *spi) 42 { 43 return pcm179x_common_exit(&spi->dev); 44 } 45 46 static const struct of_device_id pcm179x_of_match[] = { 47 { .compatible = "ti,pcm1792a", }, 48 { } 49 }; 50 MODULE_DEVICE_TABLE(of, pcm179x_of_match); 51 52 static const struct spi_device_id pcm179x_spi_ids[] = { 53 { "pcm179x", 0 }, 54 { }, 55 }; 56 MODULE_DEVICE_TABLE(spi, pcm179x_spi_ids); 57 58 static struct spi_driver pcm179x_spi_driver = { 59 .driver = { 60 .name = "pcm179x", 61 .of_match_table = of_match_ptr(pcm179x_of_match), 62 }, 63 .id_table = pcm179x_spi_ids, 64 .probe = pcm179x_spi_probe, 65 .remove = pcm179x_spi_remove, 66 }; 67 68 module_spi_driver(pcm179x_spi_driver); 69 70 MODULE_DESCRIPTION("ASoC PCM179X SPI driver"); 71 MODULE_AUTHOR("Michael Trimarchi <michael@amarulasolutions.com>"); 72 MODULE_LICENSE("GPL"); 73