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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6507bf6d683sm6954708a12.34.2026.01.08.00.36.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 08 Jan 2026 00:36:51 -0800 (PST) Message-ID: <4d95232c-f59a-42c3-9eb4-934b58429d25@oss.qualcomm.com> Date: Thu, 8 Jan 2026 09:36:49 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v10 5/5] arm64: dts: qcom: talos-evk: Add support for QCS615 talos evk board To: tessolveupstream@gmail.com, andersson@kernel.org, konradybcio@kernel.org Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251230130227.3503590-1-tessolveupstream@gmail.com> <20251230130227.3503590-6-tessolveupstream@gmail.com> <30ee8541-3ec2-49ac-8fe0-987cdc5b16e7@oss.qualcomm.com> <14613f89-6be0-4eb3-beb5-375ab008a313@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=M45A6iws c=1 sm=1 tr=0 ts=695f6ca5 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=pGLkceISAAAA:8 a=qqEUINORgcf7CWWjMcEA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-ORIG-GUID: UyvHpQOEB4xlejXDsebXmlGeIdPXti7T X-Proofpoint-GUID: UyvHpQOEB4xlejXDsebXmlGeIdPXti7T X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA4MDA1OCBTYWx0ZWRfX5HhSgWyagZoj lmiY17e2Fx8rwvMJ4fQXHNDloskpS+NX8t+U2MnAsFTOdfOSpTo/BcfxebfWMGkEtY6s5RQzrMg 2CN7JiaGa5A0XV7Jbow23ieTnGbBxziCr7fry5EPINRmHzd7eHbbvHnbf7F3kGrvJ+ljoO2efbv jUyykLax0cfiBtgFyhTuSZ1WsVpPmDL7ObxbrQfeN8rUNIJ1h/dLzBLTYcO6txQr/I927pIt/8d RsF1mBKuUDnJ5dJAwpISK2V7tNeDx58fP/XwKO/89qty5cgorcBZhJWdiveDw0cfUbzUYD8HFnC 90xsSMNDHdTq4MkfCSTbI4WtM++iwW5lc4F1fhIx6npFgvQT9H7IMONf/p4f9DfWOamw6/C72LI RArhP7O+inhC6kwhdVQZtLikl1lYum1ekhgOilB6N3+68qQb4I3s8qhTOsP1Lwixvp68r6LjdM3 qTGBEebMhWEu+y13IUw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-08_01,2026-01-07_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 bulkscore=0 phishscore=0 suspectscore=0 clxscore=1015 spamscore=0 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601080058 On 1/8/26 8:36 AM, tessolveupstream@gmail.com wrote: > > > On 04-01-2026 19:16, tessolveupstream@gmail.com wrote: >> >> >> On 30-12-2025 20:21, Konrad Dybcio wrote: >>> On 12/30/25 2:02 PM, Sudarshan Shetty wrote: >>>> Add the device tree for the QCS615-based Talos EVK platform. The >>>> platform is composed of a System-on-Module following the SMARC >>>> standard, and a Carrier Board. >>>> >>>> The Carrier Board supports several display configurations, HDMI and >>>> LVDS. Both configurations use the same base hardware, with the display >>>> selection controlled by a DIP switch. >>> >>> [...] >>> >>>> +++ b/arch/arm64/boot/dts/qcom/talos-evk-lvds-auo,g133han01.dtso >>>> @@ -0,0 +1,126 @@ >>>> +// SPDX-License-Identifier: BSD-3-Clause >>>> +/* >>>> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. >>>> + */ >>>> +/dts-v1/; >>>> +/plugin/; >>>> + >>>> +#include >>>> + >>>> +&{/} { >>>> + backlight: backlight { >>>> + compatible = "gpio-backlight"; >>>> + gpios = <&tlmm 59 GPIO_ACTIVE_HIGH>, >>>> + <&tlmm 115 GPIO_ACTIVE_HIGH>; >>>> + default-on; >>>> + }; >>>> + >>>> + hdmi_connector: hdmi-out { >>>> + status = "disabled"; >>>> + }; >>> >>> This should be a &label_reference >>> >> >> Okay, will add it in the next patch. > > I noticed that in several existing .dtso files, the root node is > commonly referenced as &{/}. In your comment, you suggested using &label_reference. Could you please clarify which specific label or > node you would like me to update here. &{/} must be used for root nodes in a .dtso (for it to compile). I meant using a &label_reference for hdmi_connector Konrad