diff --git a/drivers/bluetooth/btfm_slim.c b/drivers/bluetooth/btfm_slim.c
index bba66b79fab4..46202a5ef1c0 100644
--- a/drivers/bluetooth/btfm_slim.c
+++ b/drivers/bluetooth/btfm_slim.c
@@ -12,6 +12,7 @@
 #include <linux/debugfs.h>
 #include <linux/ratelimit.h>
 #include <linux/slab.h>
+#include <linux/fs.h>
 #include <linux/btpower.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -21,8 +22,13 @@
 #include "btfm_slim.h"
 #include "btfm_slim_slave.h"
 
+#define BT_CMD_SLIM_TEST	0xbfac
 #define DELAY_FOR_PORT_OPEN_MS (200)
 
+struct class *btfm_slim_class;
+static int btfm_slim_major;
+struct btfmslim *btfm_slim_drv_data;
+
 static bool btfm_is_port_opening_delayed = true;
 
 int btfm_slim_write(struct btfmslim *btfmslim,
@@ -612,6 +618,25 @@ static int btfm_slim_get_dt_info(struct btfmslim *btfmslim)
 	return ret;
 }
 
+static long btfm_slim_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int ret = 0;
+
+	BTFMSLIM_INFO("");
+	switch (cmd) {
+	case BT_CMD_SLIM_TEST:
+		BTFMSLIM_INFO("cmd BT_CMD_SLIM_TEST, call btfm_slim_hw_init");
+		ret = btfm_slim_hw_init(btfm_slim_drv_data);
+		break;
+	}
+	return ret;
+}
+
+static const struct file_operations bt_dev_fops = {
+	.unlocked_ioctl = btfm_slim_ioctl,
+	.compat_ioctl = btfm_slim_ioctl,
+};
+
 static int btfm_slim_probe(struct slim_device *slim)
 {
 	int ret = 0;
@@ -668,7 +693,36 @@ static int btfm_slim_probe(struct slim_device *slim)
 		btfm_slim_unregister_codec(&slim->dev);
 		goto free;
 	}
+
+	btfm_slim_drv_data = btfm_slim;
+	btfm_slim_major = register_chrdev(0, "btfm_slim", &bt_dev_fops);
+	if (btfm_slim_major < 0) {
+		BTFMSLIM_ERR("%s: failed to allocate char dev\n", __func__);
+		ret = -1;
+		goto register_err;
+	}
+
+	btfm_slim_class = class_create(THIS_MODULE, "btfmslim-dev");
+	if (IS_ERR(btfm_slim_class)) {
+		BTFMSLIM_ERR("%s: coudn't create class\n", __func__);
+		ret = -1;
+		goto class_err;
+	}
+
+	if (device_create(btfm_slim_class, NULL, MKDEV(btfm_slim_major, 0),
+		NULL, "btfmslim") == NULL) {
+		BTFMSLIM_ERR("%s: failed to allocate char dev\n", __func__);
+		ret = -1;
+		goto device_err;
+	}
 	return ret;
+
+device_err:
+	class_destroy(btfm_slim_class);
+class_err:
+	unregister_chrdev(btfm_slim_major, "btfm_slim");
+register_err:
+	btfm_slim_unregister_codec(&slim->dev);
 free:
 	slim_remove_device(&btfm_slim->slim_ifd);
 dealloc: