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-rw-r--r--sound/soc/codecs/cs35l45-i2c.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l45-i2c.c b/sound/soc/codecs/cs35l45-i2c.c
new file mode 100644
index 0000000000..bc2af1ed0f
--- /dev/null
+++ b/sound/soc/codecs/cs35l45-i2c.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// cs35l45-i2c.c -- CS35L45 I2C driver
+//
+// Copyright 2019-2022 Cirrus Logic, Inc.
+//
+// Author: James Schulman <james.schulman@cirrus.com>
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+
+#include "cs35l45.h"
+
+static int cs35l45_i2c_probe(struct i2c_client *client)
+{
+ struct cs35l45_private *cs35l45;
+ struct device *dev = &client->dev;
+ int ret;
+
+ cs35l45 = devm_kzalloc(dev, sizeof(struct cs35l45_private), GFP_KERNEL);
+ if (!cs35l45)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, cs35l45);
+ cs35l45->regmap = devm_regmap_init_i2c(client, &cs35l45_i2c_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;
+ cs35l45->irq = client->irq;
+ cs35l45->bus_type = CONTROL_BUS_I2C;
+ cs35l45->i2c_addr = client->addr;
+
+ return cs35l45_probe(cs35l45);
+}
+
+static void cs35l45_i2c_remove(struct i2c_client *client)
+{
+ struct cs35l45_private *cs35l45 = i2c_get_clientdata(client);
+
+ 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 i2c_device_id cs35l45_id_i2c[] = {
+ { "cs35l45", 0 },
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, cs35l45_id_i2c);
+
+static struct i2c_driver cs35l45_i2c_driver = {
+ .driver = {
+ .name = "cs35l45",
+ .of_match_table = cs35l45_of_match,
+ .pm = pm_ptr(&cs35l45_pm_ops),
+ },
+ .id_table = cs35l45_id_i2c,
+ .probe = cs35l45_i2c_probe,
+ .remove = cs35l45_i2c_remove,
+};
+module_i2c_driver(cs35l45_i2c_driver);
+
+MODULE_DESCRIPTION("I2C CS35L45 driver");
+MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(SND_SOC_CS35L45);