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-rw-r--r--sound/soc/codecs/cs35l45-spi.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l45-spi.c b/sound/soc/codecs/cs35l45-spi.c
new file mode 100644
index 000000000..baaf6e0f4
--- /dev/null
+++ b/sound/soc/codecs/cs35l45-spi.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+//
+// cs35l45-spi.c -- CS35L45 SPI driver
+//
+// Copyright 2019-2022 Cirrus Logic, Inc.
+//
+// Author: James Schulman <james.schulman@cirrus.com>
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+
+#include "cs35l45.h"
+
+static int cs35l45_spi_probe(struct spi_device *spi)
+{
+ struct cs35l45_private *cs35l45;
+ struct device *dev = &spi->dev;
+ int ret;
+
+ cs35l45 = devm_kzalloc(dev, sizeof(struct cs35l45_private), GFP_KERNEL);
+ if (cs35l45 == NULL)
+ return -ENOMEM;
+
+ spi_set_drvdata(spi, cs35l45);
+ cs35l45->regmap = devm_regmap_init_spi(spi, &cs35l45_spi_regmap);
+ if (IS_ERR(cs35l45->regmap)) {
+ ret = PTR_ERR(cs35l45->regmap);
+ dev_err(dev, "Failed to allocate register map: %d\n", ret);
+ return ret;
+ }
+
+ cs35l45->dev = dev;
+
+ return cs35l45_probe(cs35l45);
+}
+
+static void cs35l45_spi_remove(struct spi_device *spi)
+{
+ struct cs35l45_private *cs35l45 = spi_get_drvdata(spi);
+
+ cs35l45_remove(cs35l45);
+}
+
+static const struct of_device_id cs35l45_of_match[] = {
+ { .compatible = "cirrus,cs35l45" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, cs35l45_of_match);
+
+static const struct spi_device_id cs35l45_id_spi[] = {
+ { "cs35l45", 0 },
+ {}
+};
+MODULE_DEVICE_TABLE(spi, cs35l45_id_spi);
+
+static struct spi_driver cs35l45_spi_driver = {
+ .driver = {
+ .name = "cs35l45",
+ .of_match_table = cs35l45_of_match,
+ .pm = &cs35l45_pm_ops,
+ },
+ .id_table = cs35l45_id_spi,
+ .probe = cs35l45_spi_probe,
+ .remove = cs35l45_spi_remove,
+};
+module_spi_driver(cs35l45_spi_driver);
+
+MODULE_DESCRIPTION("SPI CS35L45 driver");
+MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_IMPORT_NS(SND_SOC_CS35L45);
+MODULE_IMPORT_NS(SND_SOC_CS35L45_TABLES);