From:   Chris Morgan <macroalpha82@gmail.com>
To:     linux-bluetooth@vger.kernel.org
Cc:     linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
        alistair@alistair23.me, anarsoul@gmail.com, luiz.dentz@gmail.com,
        johan.hedberg@gmail.com, marcel@holtmann.org, heiko@sntech.de,
        krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org,
        Chris Morgan <macromorgan@hotmail.com>
Subject: [PATCH 2/3 V2] Bluetooth: hci_h5: btrtl: Add support for RTL8821CS
Date:   Fri, 24 Feb 2023 17:23:38 -0600
Message-Id: <20230224232339.124969-3-macroalpha82@gmail.com>
In-Reply-To: <20230224232339.124969-1-macroalpha82@gmail.com>
References: <20230224232339.124969-1-macroalpha82@gmail.com>
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From: Chris Morgan <macromorgan@hotmail.com>

RTL8821CS is a WiFi + Bluetooth combo chip from Realtek that provides
WiFi A/B/G/N/AC over an SDIO interface and Bluetooth 4.2 over a UART
interface.

Note that the firmware this was tested with was firmware version
0x75b8f098.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
---
 drivers/bluetooth/btrtl.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 69c3fe649ca7..72947d319fa6 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -128,6 +128,14 @@ static const struct id_table ic_id_table[] = {
 	  .fw_name  = "rtl_bt/rtl8821c_fw.bin",
 	  .cfg_name = "rtl_bt/rtl8821c_config" },
 
+	/* 8821CS */
+	{ IC_INFO(RTL_ROM_LMP_8821A, 0xc, 0x8, HCI_UART),
+	  .config_needed = true,
+	  .has_rom_version = true,
+	  .has_msft_ext = true,
+	  .fw_name  = "rtl_bt/rtl8821cs_fw.bin",
+	  .cfg_name = "rtl_bt/rtl8821cs_config" },
+
 	/* 8761A */
 	{ IC_INFO(RTL_ROM_LMP_8761A, 0xa, 0x6, HCI_USB),
 	  .config_needed = false,
-- 
2.34.1