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([36.141.79.164]) by smtp.feishu.cn with ESMTPS; Mon, 21 Sep 2026 15:25:50 +0800 Cc: , , , , , , , , , , X-Original-From: Yanli Yang X-Mailer: git-send-email 2.34.1 References: X-Lms-Return-Path: Content-Type: text/plain; charset=UTF-8 To: From: "Yanli Yang" Date: Mon, 21 Sep 2026 15:25:42 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Message-Id: In-Reply-To: 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. Add the binding file to the AIC Bluetooth MAINTAINERS entry. Signed-off-by: Zhirun Liu Signed-off-by: Dijia Xu Signed-off-by: Chunqiu Liu Signed-off-by: Liheng Wei Signed-off-by: Yanli Yang --- .../net/bluetooth/aic,aic8800d80-bt.yaml | 83 +++++++++++++++++++ MAINTAINERS | 10 +++ 2 files changed, 93 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..9c04ba62ecef --- /dev/null +++ b/Documentation/devicetree/bindings/net/bluetooth/aic,aic8800d80-bt.yaml @@ -0,0 +1,83 @@ +# 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 + - Dijia Xu + - Chunqiu Liu + - Liheng Wei + - Yanli Yang + +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 + + 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. + +required: + - compatible + +allOf: + - $ref: bluetooth-controller.yaml# + - if: + properties: + compatible: + const: aic,aic8800d80-bt-sdio + then: + properties: + reg: + 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* +AIC BLUETOOTH DRIVER +M: Zhirun Liu +M: Dijia Xu +M: Chunqiu Liu +M: Liheng Wei +M: Yanli Yang +L: linux-bluetooth@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/net/bluetooth/aic,aic8800d80-bt.yaml + AIC7XXX / AIC79XX SCSI DRIVER M: Hannes Reinecke L: linux-scsi@vger.kernel.org -- 2.34.1