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Wed, 29 Apr 2026 06:38:24 +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 v2 7/7] arm64: dts: rockchip: Add Bluetooth support for Khadas Edge 2L Date: Wed, 29 Apr 2026 14:37:12 +0800 Message-Id: <20260429063712.2150938-8-gray.huang@wesion.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260429063712.2150938-1-gray.huang@wesion.com> References: <20260429063712.2150938-1-gray.huang@wesion.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: TPYP295CA0040.TWNP295.PROD.OUTLOOK.COM (2603:1096:7d0:7::12) To JH0PR03MB8617.apcprd03.prod.outlook.com (2603:1096:990:91::14) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: JH0PR03MB8617:EE_|SEZPR03MB6468:EE_ X-MS-Office365-Filtering-Correlation-Id: 82ac69cf-deb8-41c6-7924-08dea5b9e9e1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|52116014|1800799024|376014|22082099003|56012099003|18002099003|38350700014; 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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 84ac8ffdaa32..222cde0ea44c 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts @@ -552,6 +552,20 @@ wifi: wifi@0,0 { }; &pinctrl { + 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>; + }; + }; + pcie0 { pcie0_rst: pcie0-rst { rockchip,pins = <4 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>; @@ -598,6 +612,27 @@ &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>; + }; +}; + &usb_drd1_dwc3 { dr_mode = "host"; status = "okay"; -- 2.34.1