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Sat, 28 Feb 2026 06:38:28 +0000 From: Nick Xie To: neil.armstrong@linaro.org, khilman@baylibre.com, martin.blumenstingl@googlemail.com, jbrunet@baylibre.com, krzk+dt@kernel.org Cc: robh@kernel.org, conor+dt@kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Xie Subject: [PATCH v2 2/4] arm64: dts: amlogic: meson-s4-s905y4-khadas-vim1s: enable bluetooth Date: Sat, 28 Feb 2026 14:37:48 +0800 Message-Id: <20260228063750.701887-3-nick@khadas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260228063750.701887-1-nick@khadas.com> References: <20260228063750.701887-1-nick@khadas.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: TYCP286CA0001.JPNP286.PROD.OUTLOOK.COM (2603:1096:400:26c::7) To PS1PPF62EEA9B1D.apcprd03.prod.outlook.com (2603:1096:308::2da) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PS1PPF62EEA9B1D:EE_|SI4PR03MB9867:EE_ X-MS-Office365-Filtering-Correlation-Id: f6806478-a022-4e8b-53fe-08de7693fb07 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|52116014|366016|1800799024|38350700014; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The Khadas VIM1S board uses the Ampak AP6256 Wi-Fi/Bluetooth module. The Bluetooth controller is connected via UART_A and requires the external 32k clock (LPO). Enable the UART_A node and add the bluetooth child node to support it. Signed-off-by: Nick Xie Reviewed-by: Martin Blumenstingl --- .../dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts index 27d0f6134ea9d..d36533f5559a8 100644 --- a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts +++ b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts @@ -254,6 +254,21 @@ &spicc0 { cs-gpios = <&gpio GPIOX_10 GPIO_ACTIVE_LOW>; }; +&uart_a { + status = "okay"; + pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>; + pinctrl-names = "default"; + uart-has-rtscts; + + bluetooth { + compatible = "brcm,bcm4345c5"; + shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>; + max-speed = <2000000>; + clocks = <&sdio_32k>; + clock-names = "lpo"; + }; +}; + &uart_b { status = "okay"; }; -- 2.34.1