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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-315863b0a9csm29547574eec.2.2026.08.05.21.03.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Aug 2026 21:03:40 -0700 (PDT) Date: Thu, 6 Aug 2026 12:03:34 +0800 From: Shawn Guo To: Mukesh Savaliya Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , Deepti Jaggi , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski , Konrad Dybcio Subject: Re: [PATCH v8 3/6] arm64: dts: qcom: Add device tree for Nord Embedded variant Message-ID: References: <20260729010022.875799-1-shengchao.guo@oss.qualcomm.com> <20260729010022.875799-4-shengchao.guo@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA2MDAyNyBTYWx0ZWRfX7Tgb+ZsoYZtz yzwBvakVOuBoUXQd/VO2We8fMtLbo8joJCadU9RL3JUmRXbRAAkTwAlrCLnulctJeBHNbIiTqmX nrLyJsbvCbYugW0n+8yipiEWAXrYPG2Cb0AcSI2Tcp4TMT6sd1fm81VZC9FPnIRsMUGa9AcTwY4 usDqPYW7A7uDEiUkx+OivrPD06m4oyMiOQMpdDCRRbGOULD+HYdTuYQeZp7ZvVAFxjxrYEvqFBP 1f8L64FanxdUZEcDm4Q7LEXlUOZe0d4HfPeVSWp8A6w5oBaWPV7Y9GE0HatfJafheu9YzKs8uuy G0NK3heDPbyG5ROpgWcy//3WB/0o1d76OvX1CRHFG5YvmyPeW0aKRTPRwlpMtqGxYiHPbaC4TwW 3yd6eEx0LfaMeci3L1rDZa8NVCo+I/Ep9rbGFZWzB/FScNWw7F1Xw1lT3sv3HQcC87MRFGrxjx2 q1OTGAGGoba6OgL5s+Q== X-Proofpoint-Spam-Info: AW1haW4tMjYwODA2MDAyNyBTYWx0ZWRfX91WPLEvAmHMu qvtcEK/RUUWFXHyQqrxM2n6OzoCT8kS4kZSBltOYaDQOOFZCQXySFdkwqK6MC/o0NVSX9o1cc4W tCdC7Mk7WwFIcH5JXxji5lSsDVOTwOs= X-Proofpoint-GUID: e2VIg-ZdQIXinHa6L3VaVuOssrZYZBiM X-Authority-Analysis: v=2.4 cv=cIbQdFeN c=1 sm=1 tr=0 ts=6a74079d cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=kj9zAlcOel0A:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=HMi4NH7v85-LoBnzSNwA:9 a=CjuIK1q_8ugA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-ORIG-GUID: e2VIg-ZdQIXinHa6L3VaVuOssrZYZBiM X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-05_06,2026-08-05_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 malwarescore=0 spamscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 clxscore=1015 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608060027 On Wed, Aug 05, 2026 at 11:38:00AM +0530, Mukesh Savaliya wrote: > > > On 7/29/2026 6:30 AM, Shawn Guo wrote: > > Unlike the GearVM variant, Nord Embedded variant has platform resources > > (clocks, regulators, powerdomains, pins, etc.) directly controlled by > > the operating system. Add a separate dtsi file extending the existing > > top-level nord.dtsi with nodes representing these peripherals as well as > > describing how they are wired up with the already defined components. > > > > Co-developed-by: Bartosz Golaszewski > > Signed-off-by: Bartosz Golaszewski > > Reviewed-by: Konrad Dybcio > > Signed-off-by: Shawn Guo > > --- > > arch/arm64/boot/dts/qcom/nord-embedded.dtsi | 1726 +++++++++++++++++++ > > 1 file changed, 1726 insertions(+) > > create mode 100644 arch/arm64/boot/dts/qcom/nord-embedded.dtsi > > > > diff --git a/arch/arm64/boot/dts/qcom/nord-embedded.dtsi b/arch/arm64/boot/dts/qcom/nord-embedded.dtsi > > new file mode 100644 > > index 000000000000..032d384f6eb3 > > --- /dev/null > > +++ b/arch/arm64/boot/dts/qcom/nord-embedded.dtsi > > @@ -0,0 +1,1726 @@ > > +// SPDX-License-Identifier: BSD-3-Clause > > +/* > > + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. > > + */ > > + > > +#include > > +#include > > +#include > > +#include > > +#include > > +#include > > +#include > > +#include > > +#include > > +#include > > + > > +#include "nord.dtsi" > > + > > [...] > > > + > > + qup_uart17_default: qup-uart17-default-state { > > + pins = "gpio152", "gpio153"; > Can we add all 4-wires including RTS, CTS so default usecase for Bluetooth > with can be served ? Hi Mukesh, Thank you for the comment! I can see that UART17 (including CTS/RTS) is used for Bluetooth on both Ride and RRD reference boards. So your suggestion makes sense. Since the series unfortunately missed 7.3 merge window, I will send v9 to include CTS/RTS as suggested. Shawn