diff --git a/drivers/sound/i2s-uclass.c b/drivers/sound/i2s-uclass.c
new file mode 100644
index 0000000..b741e39
--- /dev/null
+++ b/drivers/sound/i2s-uclass.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <i2s.h>
+
+int i2s_tx_data(struct udevice *dev, void *data, uint data_size)
+{
+	struct i2s_ops *ops = i2s_get_ops(dev);
+
+	if (!ops->tx_data)
+		return -ENOSYS;
+
+	return ops->tx_data(dev, data, data_size);
+}
+
+UCLASS_DRIVER(i2s) = {
+	.id		= UCLASS_I2S,
+	.name		= "i2s",
+	.per_device_auto_alloc_size	= sizeof(struct i2s_uc_priv),
+};