Re: [PATCH bluetooth-next v5 2/3] dt-bindings: net: bluetooth: Add AIC8800D80

From: Krzysztof Kozlowski

Date: Thu Sep 24 2026 - 03:55:41 EST


On 24/09/2026 05:34, Yanli Yang wrote:
> Describe the AIC8800D80 Bluetooth SDIO firmware-loading function and
> UART HCI interface. Link the UART node to its SDIO firmware provider
> with the aic,firmware-sdio phandle.
>
> The UART interface uses H4 at 1500000 baud with hardware flow control.
> Include an example showing both nodes and their association. Add the
> Bluetooth binding to MAINTAINERS.
>
> Signed-off-by: Zhirun Liu <zhirunliu@xxxxxxxxxxx>
> Signed-off-by: Dijia Xu <dijiaxu@xxxxxxxxxxx>
> Signed-off-by: Chunqiu Liu <chunqiuliu@xxxxxxxxxxx>
> Signed-off-by: Liheng Wei <liheng.wei@xxxxxxxxxx>
> Signed-off-by: Yanli Yang <yanli.yang@xxxxxxxxxx>
> ---


So that's v5, thus where is the changelog?

Cover letter says nothing about v1-v3, only v4. And in that v4 nothing
about this and 1/3 patches.

> .../net/bluetooth/aic,aic8800d80-bt.yaml | 84 +++++++++++++++++++
> MAINTAINERS | 10 +++
> 2 files changed, 94 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/net/bluetooth/aic,aic8800d80-bt.yaml
>
> diff --git a/Documentation/devicetree/bindings/net/bluetooth/aic,aic8800d80-bt.yaml b/Documentation/devicetree/bindings/net/bluetooth/aic,aic8800d80-bt.yaml
> new file mode 100644
> index 000000000000..76b94fd539e7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/bluetooth/aic,aic8800d80-bt.yaml
> @@ -0,0 +1,84 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/bluetooth/aic,aic8800d80-bt.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: AIC AIC8800D80 Bluetooth
> +
> +maintainers:
> + - Zhirun Liu <zhirunliu@xxxxxxxxxxx>
> + - Dijia Xu <dijiaxu@xxxxxxxxxxx>
> + - Chunqiu Liu <chunqiuliu@xxxxxxxxxxx>
> + - Liheng Wei <liheng.wei@xxxxxxxxxx>
> + - Yanli Yang <yanli.yang@xxxxxxxxxx>
> +
> +description:
> + The AIC8800D80 is a Wi-Fi and Bluetooth combination chip. The Bluetooth
> + firmware is loaded through SDIO function 1, while Bluetooth HCI traffic uses
> + the H4 protocol over a UART interface with hardware flow control.
> +
> +properties:
> + compatible:
> + enum:
> + - aic,aic8800d80-bt
> + - aic,aic8800d80-bt-sdio

So same feedback as last time. Same device?


> +
> + reg:
> + maxItems: 1
> +
> + max-speed: false
> +
> + aic,firmware-sdio:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description:
> + Phandle to the SDIO function used to load the Bluetooth firmware.

What is a SDIO function in DT? Phandles can only point to device nodes.

> +
> +required:
> + - compatible
> +
> +allOf:
> + - $ref: bluetooth-controller.yaml#
> + - if:
> + properties:
> + compatible:
> + const: aic,aic8800d80-bt-sdio
> + then:
> + properties:
> + reg:
> + items:
> + - items:
> + - const: 1
> + aic,firmware-sdio: false
> + required:
> + - reg
> + else:
> + properties:
> + reg: false
> + required:
> + - aic,firmware-sdio
> + allOf:
> + - $ref: /schemas/serial/serial-peripheral-props.yaml#
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + mmc {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + bt_sdio: bluetooth@1 {
> + compatible = "aic,aic8800d80-bt-sdio";
> + reg = <1>;
> + };
> + };
> +
> + serial {
> + uart-has-rtscts;
> +
> + bluetooth {
> + compatible = "aic,aic8800d80-bt";
> + aic,firmware-sdio = <&bt_sdio>;
> + };
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index af5a8b4b0bb5..20662fe78632 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -729,6 +729,16 @@ S: Maintained
> F: drivers/scsi/aha152x*
> F: drivers/scsi/pcmcia/aha152x*
> "managers"
> +AIC BLUETOOTH DRIVER
> +M: Zhirun Liu <zhirunliu@xxxxxxxxxxx>
> +M: Dijia Xu <dijiaxu@xxxxxxxxxxx>
> +M: Chunqiu Liu <chunqiuliu@xxxxxxxxxxx>
> +M: Liheng Wei <liheng.wei@xxxxxxxxxx>
> +M: Yanli Yang <yanli.yang@xxxxxxxxxx>

So all these 5 people are going to provide reviews?

Please confirm this explicitly, so we don't get entries for, for
example, managers which like to be notified.


Best regards,
Krzysztof