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Wed, 29 Apr 2026 10:35:43 +0000 (GMT) Received: from pps.filterd (APTAIPPMTA01.qualcomm.com [127.0.0.1]) by APTAIPPMTA01.qualcomm.com (8.18.1.7/8.18.1.7) with ESMTP id 63TAZeCA026210; Wed, 29 Apr 2026 10:35:40 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APTAIPPMTA01.qualcomm.com (PPS) with ESMTPS id 4ds69w9497-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 29 Apr 2026 10:35:40 +0000 (GMT) Received: from APTAIPPMTA01.qualcomm.com (APTAIPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.18.1.12/8.18.1.12) with ESMTP id 63TAZeWN026203; Wed, 29 Apr 2026 10:35:40 GMT Received: from shuaz-gv.ap.qualcomm.com (smtphost-taiwan.qualcomm.com [10.249.136.33]) by APTAIPPMTA01.qualcomm.com (PPS) with ESMTPS id 63TAZdDa026202 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 29 Apr 2026 10:35:40 +0000 (GMT) Received: by shuaz-gv.ap.qualcomm.com (Postfix, from userid 4467449) id E8F445EE; Wed, 29 Apr 2026 18:35:38 +0800 (CST) From: Shuai Zhang To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, cheng.jiang@oss.qualcomm.com, quic_chezhou@quicinc.com, wei.deng@oss.qualcomm.com, jinwang.li@oss.qualcomm.com, mengshi.wu@oss.qualcomm.com, shuai.zhang@oss.qualcomm.com Subject: [PATCH v2] arm64: dts: monaco-arduino-monza: Add Bluetooth UART node Date: Wed, 29 Apr 2026 18:35:37 +0800 Message-Id: <20260429103537.1282497-1-shuai.zhang@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; 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This change connects the Bluetooth controller via UART10, and the corresponding GPIO is used to enable the Bluetooth chip. basic function test step: - bluetoothctl power on/off - bluetoothctl scan bredr/le - bluetoothctl pair - bluetoothctl connect low-state test and state: - rtcwake -d /dev/rtc0 -m no -s 30 && systemctl suspend cat /sys/kernel/debug/suspend_stats success: 1 fail: 0 failed_freeze: 0 failed_prepare: 0 failed_suspend: 0 failed_suspend_late: 0 failed_suspend_noirq: 0 failed_resume: 0 failed_resume_early: 0 failed_resume_noirq: 0 failures: last_failed_dev: last_failed_errno: 0 0 last_failed_step: Signed-off-by: Shuai Zhang --- Changes v2: - Fix board name typo from "monac" to "monaco". - Clarify that Bluetooth is connected via UART10. - Add detailed testing steps, including suspend/resume and low-power validation. - Document that the QCA2066 Bluetooth chip is powered by a board-level, hardware-provided 3.3 V supply, and that the GPIO is used only to enable the Bluetooth chip. - Add the required sleep clock to satisfy the qcom,qca2066-bt DT binding and run dtbs_check. - Fix DTS formatting issues and drop redundant status properties. - Update authorship - Link to v6 https://lore.kernel.org/all/20260428025652.662502-1-shuai.zhang@oss.qualcomm.com/ --- arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts b/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts index ca14f0ea4..379b796f2 100644 --- a/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts +++ b/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts @@ -21,6 +21,7 @@ aliases { ethernet0 = ðernet0; i2c1 = &i2c1; serial0 = &uart7; + serial1 = &uart10; }; chosen { @@ -454,6 +455,16 @@ &uart7 { status = "okay"; }; +&uart10 { + status = "okay"; + + bluetooth: bluetooth { + compatible = "qcom,qca2066-bt"; + enable-gpios = <&tlmm 55 GPIO_ACTIVE_HIGH>; + clocks = <&sleep_clk>; + }; +}; + &usb_1 { status = "okay"; }; -- 2.34.1