diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 88f8c604d70a2..ead632595ce06 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -28,6 +28,7 @@
 #define RTL_ROM_LMP_8761A	0x8761
 #define RTL_ROM_LMP_8822B	0x8822
 #define RTL_ROM_LMP_8852A	0x8852
+#define RTL_ROM_LMP_8851B	0x8851
 #define RTL_CONFIG_MAGIC	0x8723ab55
 
 #define IC_MATCH_FL_LMPSUBV	(1 << 0)
@@ -56,6 +57,7 @@ enum btrtl_chip_id {
 	CHIP_ID_8852A = 18,
 	CHIP_ID_8852B = 20,
 	CHIP_ID_8852C = 25,
+	CHIP_ID_8851B = 36,
 };
 
 struct id_table {
@@ -244,6 +246,14 @@ static const struct id_table ic_id_table[] = {
 	  .has_msft_ext = true,
 	  .fw_name  = "rtl_bt/rtl8852cu_fw.bin",
 	  .cfg_name = "rtl_bt/rtl8852cu_config" },
+
+	/* 8851B */
+	{ IC_INFO(RTL_ROM_LMP_8851B, 0xb, 0xc, HCI_USB),
+	  .config_needed = false,
+	  .has_rom_version = true,
+	  .has_msft_ext = false,
+	  .fw_name  = "rtl_bt/rtl8851bu_fw.bin",
+	  .cfg_name = "rtl_bt/rtl8851bu_config" },
 	};
 
 static const struct id_table *btrtl_match_ic(u16 lmp_subver, u16 hci_rev,
@@ -359,6 +369,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
 		{ RTL_ROM_LMP_8852A, 18 },	/* 8852A */
 		{ RTL_ROM_LMP_8852A, 20 },	/* 8852B */
 		{ RTL_ROM_LMP_8852A, 25 },	/* 8852C */
+		{ RTL_ROM_LMP_8851B, 36 },	/* 8851B */
 	};
 
 	min_size = sizeof(struct rtl_epatch_header) + sizeof(extension_sig) + 3;
@@ -848,6 +859,7 @@ int btrtl_download_firmware(struct hci_dev *hdev,
 	case RTL_ROM_LMP_8822B:
 	case RTL_ROM_LMP_8852A:
 	case RTL_ROM_LMP_8703B:
+	case RTL_ROM_LMP_8851B:
 		return btrtl_setup_rtl8723b(hdev, btrtl_dev);
 	default:
 		rtl_dev_info(hdev, "assuming no firmware upload needed");
@@ -872,6 +884,7 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev)
 	case CHIP_ID_8852A:
 	case CHIP_ID_8852B:
 	case CHIP_ID_8852C:
+	case CHIP_ID_8851B:
 		set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
 		set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
 		hci_set_aosp_capable(hdev);
@@ -1075,3 +1088,5 @@ MODULE_FIRMWARE("rtl_bt/rtl8852bu_fw.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8852bu_config.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8852cu_fw.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8852cu_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8851bu_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8851bu_config.bin");