[PATCH 1/2] dt-bindings: net: bluetooth: realtek: Add RTL8852BS

[Alistair]

On Tue, 2026-11-10 at 08:46 +0100, Frédéric Mahé wrote:
> The RTL8852BS is a Wi-Fi 6 + Bluetooth 5.2 chip with Wi-Fi on SDIO
> and Bluetooth on UART (H5). Its Bluetooth part works with the
> RTL8822CS driver data, so use realtek,rtl8822cs-bt as fallback.
> 
> This patch was prepared with the help of an AI assistant (Claude),
> which also ran the tests.
> 
> Signed-off-by: Frédéric Mahé <frederic.mahe at cirad.fr>

Reviewed-by: Alistair Francis <alistair at alistair23.me>

Alistair

> ---
>  .../bindings/net/bluetooth/realtek,bluetooth.yaml     | 11 +++++++--
> --
>  1 file changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git
> a/Documentation/devicetree/bindings/net/bluetooth/realtek,bluetooth.y
> aml
> b/Documentation/devicetree/bindings/net/bluetooth/realtek,bluetooth.y
> aml
> index 7d567122b..ffdf13b05 100644
> ---
> a/Documentation/devicetree/bindings/net/bluetooth/realtek,bluetooth.y
> aml
> +++
> b/Documentation/devicetree/bindings/net/bluetooth/realtek,bluetooth.y
> aml
> @@ -4,16 +4,16 @@
>  $id:
> http://devicetree.org/schemas/net/bluetooth/realtek,bluetooth.yaml#
>  $schema: http://devicetree.org/meta-schemas/core.yaml#
>  
> -title: RTL8723BS/RTL8723CS/RTL8821CS/RTL8822CS Bluetooth
> +title: RTL8723BS/RTL8723CS/RTL8821CS/RTL8822CS/RTL8852BS Bluetooth
>  
>  maintainers:
>    - Vasily Khoruzhick <anarsoul at gmail.com>
>    - Alistair Francis <alistair at alistair23.me>
>  
>  description:
> -  RTL8723BS/RTL8723CS/RTL8821CS/RTL8822CS is a WiFi + BT chip. WiFi
> part
> -  is connected over SDIO, while BT is connected over serial. It
> speaks
> -  H5 protocol with few extra commands to upload firmware and change
> +  RTL8723BS/RTL8723CS/RTL8821CS/RTL8822CS/RTL8852BS is a WiFi + BT
> chip.
> +  WiFi part is connected over SDIO, while BT is connected over
> serial. It
> +  speaks H5 protocol with few extra commands to upload firmware and
> change
>    module speed.
>  
>  properties:
> @@ -28,6 +28,9 @@ properties:
>            - enum:
>                - realtek,rtl8821cs-bt
>            - const: realtek,rtl8723bs-bt
> +      - items:
> +          - const: realtek,rtl8852bs-bt
> +          - const: realtek,rtl8822cs-bt
>  
>    device-wake-gpios:
>      maxItems: 1