From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- sound/soc/codecs/cs35l41-spi.c | 99 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 sound/soc/codecs/cs35l41-spi.c (limited to 'sound/soc/codecs/cs35l41-spi.c') diff --git a/sound/soc/codecs/cs35l41-spi.c b/sound/soc/codecs/cs35l41-spi.c new file mode 100644 index 0000000000..5c8bb24909 --- /dev/null +++ b/sound/soc/codecs/cs35l41-spi.c @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// cs35l41-spi.c -- CS35l41 SPI driver +// +// Copyright 2017-2021 Cirrus Logic, Inc. +// +// Author: David Rhodes + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "cs35l41.h" + +static const struct spi_device_id cs35l41_id_spi[] = { + { "cs35l40", 0 }, + { "cs35l41", 0 }, + { "cs35l51", 0 }, + { "cs35l53", 0 }, + {} +}; + +MODULE_DEVICE_TABLE(spi, cs35l41_id_spi); + +static int cs35l41_spi_probe(struct spi_device *spi) +{ + const struct regmap_config *regmap_config = &cs35l41_regmap_spi; + struct cs35l41_hw_cfg *hw_cfg = dev_get_platdata(&spi->dev); + struct cs35l41_private *cs35l41; + int ret; + + cs35l41 = devm_kzalloc(&spi->dev, sizeof(struct cs35l41_private), GFP_KERNEL); + if (!cs35l41) + return -ENOMEM; + + spi->max_speed_hz = CS35L41_SPI_MAX_FREQ; + spi_setup(spi); + + spi_set_drvdata(spi, cs35l41); + cs35l41->regmap = devm_regmap_init_spi(spi, regmap_config); + if (IS_ERR(cs35l41->regmap)) { + ret = PTR_ERR(cs35l41->regmap); + dev_err(&spi->dev, "Failed to allocate register map: %d\n", ret); + return ret; + } + + cs35l41->dev = &spi->dev; + cs35l41->irq = spi->irq; + + return cs35l41_probe(cs35l41, hw_cfg); +} + +static void cs35l41_spi_remove(struct spi_device *spi) +{ + struct cs35l41_private *cs35l41 = spi_get_drvdata(spi); + + cs35l41_remove(cs35l41); +} + +#ifdef CONFIG_OF +static const struct of_device_id cs35l41_of_match[] = { + { .compatible = "cirrus,cs35l40" }, + { .compatible = "cirrus,cs35l41" }, + {}, +}; +MODULE_DEVICE_TABLE(of, cs35l41_of_match); +#endif + +#ifdef CONFIG_ACPI +static const struct acpi_device_id cs35l41_acpi_match[] = { + { "CSC3541", 0 }, /* Cirrus Logic PnP ID + part ID */ + { "CLSA3541", 0 }, /* Cirrus Logic PnP ID + part ID */ + {}, +}; +MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_match); +#endif + +static struct spi_driver cs35l41_spi_driver = { + .driver = { + .name = "cs35l41", + .pm = &cs35l41_pm_ops, + .of_match_table = of_match_ptr(cs35l41_of_match), + .acpi_match_table = ACPI_PTR(cs35l41_acpi_match), + }, + .id_table = cs35l41_id_spi, + .probe = cs35l41_spi_probe, + .remove = cs35l41_spi_remove, +}; + +module_spi_driver(cs35l41_spi_driver); + +MODULE_DESCRIPTION("SPI CS35L41 driver"); +MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, "); +MODULE_LICENSE("GPL"); -- cgit v1.2.3