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-rw-r--r--sound/soc/codecs/ssm2602-i2c.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/sound/soc/codecs/ssm2602-i2c.c b/sound/soc/codecs/ssm2602-i2c.c
new file mode 100644
index 000000000..3c8577290
--- /dev/null
+++ b/sound/soc/codecs/ssm2602-i2c.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * SSM2602/SSM2603/SSM2604 I2C audio driver
+ *
+ * Copyright 2014 Analog Devices Inc.
+ */
+
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+
+#include <sound/soc.h>
+
+#include "ssm2602.h"
+
+static const struct i2c_device_id ssm2602_i2c_id[];
+
+/*
+ * ssm2602 2 wire address is determined by GPIO5
+ * state during powerup.
+ * low = 0x1a
+ * high = 0x1b
+ */
+static int ssm2602_i2c_probe(struct i2c_client *client)
+{
+ const struct i2c_device_id *id = i2c_match_id(ssm2602_i2c_id, client);
+ return ssm2602_probe(&client->dev, id->driver_data,
+ devm_regmap_init_i2c(client, &ssm2602_regmap_config));
+}
+
+static const struct i2c_device_id ssm2602_i2c_id[] = {
+ { "ssm2602", SSM2602 },
+ { "ssm2603", SSM2602 },
+ { "ssm2604", SSM2604 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
+
+static const struct of_device_id ssm2602_of_match[] = {
+ { .compatible = "adi,ssm2602", },
+ { .compatible = "adi,ssm2603", },
+ { .compatible = "adi,ssm2604", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ssm2602_of_match);
+
+static struct i2c_driver ssm2602_i2c_driver = {
+ .driver = {
+ .name = "ssm2602",
+ .of_match_table = ssm2602_of_match,
+ },
+ .probe_new = ssm2602_i2c_probe,
+ .id_table = ssm2602_i2c_id,
+};
+module_i2c_driver(ssm2602_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver");
+MODULE_AUTHOR("Cliff Cai");
+MODULE_LICENSE("GPL");