1 files changed, 90 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l56-i2c.c b/sound/soc/codecs/cs35l56-i2c.c
new file mode 100644
index 0000000000..d10e0e2380
--- /dev/null
+++ b/sound/soc/codecs/cs35l56-i2c.c
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// CS35L56 ALSA SoC audio driver I2C binding
+//
+// Copyright (C) 2023 Cirrus Logic, Inc. and
+//                    Cirrus Logic International Semiconductor Ltd.
+
+#include <linux/acpi.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#include "cs35l56.h"
+
+static int cs35l56_i2c_probe(struct i2c_client *client)
+{
+	struct cs35l56_private *cs35l56;
+	struct device *dev = &client->dev;
+	const struct regmap_config *regmap_config = &cs35l56_regmap_i2c;
+	int ret;
+
+	cs35l56 = devm_kzalloc(dev, sizeof(struct cs35l56_private), GFP_KERNEL);
+	if (!cs35l56)
+		return -ENOMEM;
+
+	cs35l56->base.dev = dev;
+
+	i2c_set_clientdata(client, cs35l56);
+	cs35l56->base.regmap = devm_regmap_init_i2c(client, regmap_config);
+	if (IS_ERR(cs35l56->base.regmap)) {
+		ret = PTR_ERR(cs35l56->base.regmap);
+		return dev_err_probe(cs35l56->base.dev, ret, "Failed to allocate register map\n");
+	}
+
+	ret = cs35l56_common_probe(cs35l56);
+	if (ret != 0)
+		return ret;
+
+	ret = cs35l56_init(cs35l56);
+	if (ret == 0)
+		ret = cs35l56_irq_request(&cs35l56->base, client->irq);
+	if (ret < 0)
+		cs35l56_remove(cs35l56);
+
+	return ret;
+}
+
+static void cs35l56_i2c_remove(struct i2c_client *client)
+{
+	struct cs35l56_private *cs35l56 = i2c_get_clientdata(client);
+
+	cs35l56_remove(cs35l56);
+}
+
+static const struct i2c_device_id cs35l56_id_i2c[] = {
+	{ "cs35l56", 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(i2c, cs35l56_id_i2c);
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id cs35l56_asoc_acpi_match[] = {
+	{ "CSC355C", 0 },
+	{},
+};
+MODULE_DEVICE_TABLE(acpi, cs35l56_asoc_acpi_match);
+#endif
+
+static struct i2c_driver cs35l56_i2c_driver = {
+	.driver = {
+		.name		= "cs35l56",
+		.pm = &cs35l56_pm_ops_i2c_spi,
+		.acpi_match_table = ACPI_PTR(cs35l56_asoc_acpi_match),
+	},
+	.id_table	= cs35l56_id_i2c,
+	.probe		= cs35l56_i2c_probe,
+	.remove		= cs35l56_i2c_remove,
+};
+
+module_i2c_driver(cs35l56_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC CS35L56 I2C driver");
+MODULE_IMPORT_NS(SND_SOC_CS35L56_CORE);
+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");