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Wed, 25 Mar 2026 05:49:09 +0000 From: Gray Huang To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, nick@khadas.com, Gray Huang Subject: [PATCH 6/6] arm64: dts: rockchip: Add Bluetooth support for Khadas Edge 2L Date: Wed, 25 Mar 2026 13:46:14 +0800 Message-Id: <20260325054614.1497147-7-gray.huang@wesion.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260325054614.1497147-1-gray.huang@wesion.com> References: <20260325054614.1497147-1-gray.huang@wesion.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: TYCP286CA0284.JPNP286.PROD.OUTLOOK.COM (2603:1096:400:3c9::15) To JH0PR03MB8617.apcprd03.prod.outlook.com (2603:1096:990:91::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: JH0PR03MB8617:EE_|TY0PR03MB6678:EE_ X-MS-Office365-Filtering-Correlation-Id: 07fe00fd-d954-4db8-5277-08de8a323c29 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|52116014|1800799024|376014|366016|18002099003|56012099003|22082099003|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 Enable Bluetooth support for the Ampak AP6275P module on the Khadas Edge 2L. This involves enabling the UART5 interface for HCI communication and defining the required regulators and power-sequence pins. Signed-off-by: Gray Huang --- .../dts/rockchip/rk3576-khadas-edge-2l.dts | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts index 8ecd00f6645d..345dc4c981c1 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts @@ -560,6 +560,20 @@ usb_host_pwren: usb-host-pwren { }; }; + bluetooth { + bt_reg_on: bt-reg-on { + rockchip,pins = <4 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>; + }; + + bt_wake_host: bt-wake-host { + rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_down>; + }; + + host_wake_bt: host-wake-bt { + rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>; + }; + }; + wifi { wifi_reg_on: wifi-reg-on { rockchip,pins = <4 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>; @@ -603,6 +617,27 @@ &uart0 { status = "okay"; }; +&uart5 { + pinctrl-0 = <&uart5m1_xfer &uart5m1_ctsn &uart5m1_rtsn>; + pinctrl-names = "default"; + uart-has-rtscts; + status = "okay"; + + bluetooth { + compatible = "brcm,bcm43438-bt"; + clocks = <&hym8563>; + clock-names = "lpo"; + device-wakeup-gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>; + interrupt-parent = <&gpio0>; + interrupts = ; + pinctrl-0 = <&bt_reg_on &bt_wake_host &host_wake_bt>; + pinctrl-names = "default"; + shutdown-gpios = <&gpio4 RK_PB2 GPIO_ACTIVE_HIGH>; + vbat-supply = <&vcc_3v3_s3>; + vddio-supply = <&vcc_1v8_s3>; + }; +}; + &vop { status = "okay"; }; -- 2.34.1