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1// SPDX-License-Identifier: GPL-2.0-only2//3// CS35L56 HDA audio driver SPI binding4//5// Copyright (C) 2023 Cirrus Logic, Inc. and6// Cirrus Logic International Semiconductor Ltd.7 8#include <linux/module.h>9#include <linux/regmap.h>10#include <linux/spi/spi.h>11 12#include "cs35l56_hda.h"13 14static int cs35l56_hda_spi_probe(struct spi_device *spi)15{16 const struct spi_device_id *id = spi_get_device_id(spi);17 struct cs35l56_hda *cs35l56;18 int ret;19 20 cs35l56 = devm_kzalloc(&spi->dev, sizeof(*cs35l56), GFP_KERNEL);21 if (!cs35l56)22 return -ENOMEM;23 24 cs35l56->base.dev = &spi->dev;25 26#ifdef CS35L56_WAKE_HOLD_TIME_US27 cs35l56->base.can_hibernate = true;28#endif29 cs35l56->base.regmap = devm_regmap_init_spi(spi, &cs35l56_regmap_spi);30 if (IS_ERR(cs35l56->base.regmap)) {31 ret = PTR_ERR(cs35l56->base.regmap);32 dev_err(cs35l56->base.dev, "Failed to allocate register map: %d\n",33 ret);34 return ret;35 }36 37 ret = cs35l56_hda_common_probe(cs35l56, id->driver_data, spi_get_chipselect(spi, 0));38 if (ret)39 return ret;40 ret = cs35l56_irq_request(&cs35l56->base, spi->irq);41 if (ret < 0)42 cs35l56_hda_remove(cs35l56->base.dev);43 44 return ret;45}46 47static void cs35l56_hda_spi_remove(struct spi_device *spi)48{49 cs35l56_hda_remove(&spi->dev);50}51 52static const struct spi_device_id cs35l56_hda_spi_id[] = {53 { "cs35l54-hda", 0x3554 },54 { "cs35l56-hda", 0x3556 },55 { "cs35l57-hda", 0x3557 },56 {}57};58 59static const struct acpi_device_id cs35l56_acpi_hda_match[] = {60 { "CSC3554", 0 },61 { "CSC3556", 0 },62 { "CSC3557", 0 },63 {}64};65MODULE_DEVICE_TABLE(acpi, cs35l56_acpi_hda_match);66 67static struct spi_driver cs35l56_hda_spi_driver = {68 .driver = {69 .name = "cs35l56-hda",70 .acpi_match_table = cs35l56_acpi_hda_match,71 .pm = &cs35l56_hda_pm_ops,72 },73 .id_table = cs35l56_hda_spi_id,74 .probe = cs35l56_hda_spi_probe,75 .remove = cs35l56_hda_spi_remove,76};77module_spi_driver(cs35l56_hda_spi_driver);78 79MODULE_DESCRIPTION("HDA CS35L56 SPI driver");80MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L56);81MODULE_IMPORT_NS(SND_SOC_CS35L56_SHARED);82MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");83MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>");84MODULE_LICENSE("GPL");85