// SPDX-License-Identifier: GPL-2.0-only // // CS35L56 HDA audio driver SPI binding // // Copyright (C) 2023 Cirrus Logic, Inc. and // Cirrus Logic International Semiconductor Ltd. #include <linux/module.h> #include <linux/regmap.h> #include <linux/spi/spi.h> #include "cs35l56_hda.h" static int cs35l56_hda_spi_probe(struct spi_device *spi) { struct cs35l56_hda *cs35l56; int ret; cs35l56 = devm_kzalloc(&spi->dev, sizeof(*cs35l56), GFP_KERNEL); if (!cs35l56) return -ENOMEM; cs35l56->base.dev = &spi->dev; #ifdef CS35L56_WAKE_HOLD_TIME_US cs35l56->base.can_hibernate = true; #endif cs35l56->base.regmap = devm_regmap_init_spi(spi, &cs35l56_regmap_spi); if (IS_ERR(cs35l56->base.regmap)) { ret = PTR_ERR(cs35l56->base.regmap); dev_err(cs35l56->base.dev, "Failed to allocate register map: %d\n", ret); return ret; } ret = cs35l56_hda_common_probe(cs35l56, spi_get_chipselect(spi, 0)); if (ret) return ret; ret = cs35l56_irq_request(&cs35l56->base, spi->irq); if (ret < 0) cs35l56_hda_remove(cs35l56->base.dev); return ret; } static void cs35l56_hda_spi_remove(struct spi_device *spi) { cs35l56_hda_remove(&spi->dev); } static const struct spi_device_id cs35l56_hda_spi_id[] = { { "cs35l56-hda", 0 }, {} }; static struct spi_driver cs35l56_hda_spi_driver = { .driver = { .name = "cs35l56-hda", .pm = &cs35l56_hda_pm_ops, }, .id_table = cs35l56_hda_spi_id, .probe = cs35l56_hda_spi_probe, .remove = cs35l56_hda_spi_remove, }; module_spi_driver(cs35l56_hda_spi_driver); MODULE_DESCRIPTION("HDA CS35L56 SPI driver"); MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L56); MODULE_IMPORT_NS(SND_SOC_CS35L56_SHARED); MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>"); MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>"); MODULE_LICENSE("GPL");