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Thu, 08 Jan 2026 23:20:45 -0800 (PST) Message-ID: <189e2cd5-0c1d-43cb-ba9e-4cc29537cdd1@gmail.com> Date: Fri, 9 Jan 2026 12:51:10 +0530 Precedence: bulk X-Mailing-List: linux-arm-msm@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: Konrad Dybcio , yuanjiey Cc: andersson@kernel.org, konradybcio@kernel.org, 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: <20251230130227.3503590-6-tessolveupstream@gmail.com> <0d48a1b6-6946-4882-9dbd-1a1bb50770e2@gmail.com> <9ceefc01-46fe-4c9c-b23e-d08835810d96@oss.qualcomm.com> Content-Language: en-US From: tessolveupstream@gmail.com In-Reply-To: <9ceefc01-46fe-4c9c-b23e-d08835810d96@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 08-01-2026 18:44, Konrad Dybcio wrote: > On 1/8/26 10:29 AM, tessolveupstream@gmail.com wrote: >> >> >> On 07-01-2026 14:07, yuanjiey wrote: >>> On Tue, Dec 30, 2025 at 06:32:27PM +0530, 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. > > [...] > >>> These properties can work? >>> >>> dtbinding check says: >>> >>> /local/mnt/workspace/yyj/develop_linux/git-repository/Talos_repository/upstream_linux-next/linux-sheepdog/linux-next/arch/arm64/boot/dts/qcom/talos-evk-lvds-auo,g133han01.dtb: panel-lvds: 'power-supply' is a required property >>> from schema $id: http://devicetree.org/schemas/display/panel/panel-simple-lvds-dual-ports.yaml# >>> /local/mnt/workspace/yyj/develop_linux/git-repository/Talos_repository/upstream_linux-next/linux-sheepdog/linux-next/arch/arm64/boot/dts/qcom/talos-evk-lvds-auo,g133han01.dtb: clock-controller@100000: 'clock-names' is a required property >>> from schema $id: http://devicetree.org/schemas/clock/qcom,qcs615-gcc.yaml# >>> /local/mnt/workspace/yyj/develop_linux/git-repository/Talos_repository/upstream_linux-next/linux-sheepdog/linux-next/arch/arm64/boot/dts/qcom/talos-evk-lvds-auo,g133han01.dtb: bridge@2c: ports:port@0:endpoint:data-lanes:0: 1 was expected >>> from schema $id: http://devicetree.org/schemas/display/bridge/ti,sn65dsi83.yaml# >>> /local/mnt/workspace/yyj/develop_linux/git-repository/Talos_repository/upstream_linux-next/linux-sheepdog/linux-next/arch/arm64/boot/dts/qcom/talos-evk-lvds-auo,g133han01.dtb: bridge@2c: ports:port@0:endpoint:data-lanes:1: 2 was expected >>> from schema $id: http://devicetree.org/schemas/display/bridge/ti,sn65dsi83.yaml# >>> /local/mnt/workspace/yyj/develop_linux/git-repository/Talos_repository/upstream_linux-next/linux-sheepdog/linux-next/arch/arm64/boot/dts/qcom/talos-evk-lvds-auo,g133han01.dtb: bridge@2c: ports:port@0:endpoint:data-lanes:2: 3 was expected >>> from schema $id: http://devicetree.org/schemas/display/bridge/ti,sn65dsi83.yaml# >>> /local/mnt/workspace/yyj/develop_linux/git-repository/Talos_repository/upstream_linux-next/linux-sheepdog/linux-next/arch/arm64/boot/dts/qcom/talos-evk-lvds-auo,g133han01.dtb: bridge@2c: ports:port@0:endpoint:data-lanes:3: 4 was expected >>> from schema $id: http://devicetree.org/schemas/display/bridge/ti,sn65dsi83.yaml# >>> /local/mnt/workspace/yyj/develop_linux/git-repository/Talos_repository/upstream_linux-next/linux-sheepdog/linux-next/arch/arm64/boot/dts/qcom/talos-evk-lvds-auo,g133han01.dtb: bridge@2c: 'ti,dsi-lanes', 'ti,lvds-bpp', 'ti,lvds-format' do not match any of the regexes: 'pinctrl-[0-9]+' >>> from schema $id: http://devicetree.org/schemas/display/bridge/ti,sn65dsi83.yaml# >>> >> >> With regard to the power-supply property for the LVDS panel: the >> panel does not incorporate a dedicated power regulator, and therefore >> this property cannot be defined. >> Concerning the data-lanes configuration, the LVDS display operates >> correctly only with <0,1,2,3> in my environment. Modifying this >> to <1,2,3,4> as proposed, prevents the display from initializing. > > You'll need to fix the bindings checker errors one way or another. > > For the power-supply, I think it may be made optional > > For data-lanes, I'm not sure it's even parsed. Are you sure altering > the value under the TI bridge endpoint (*not* mdss_dsi0) causes > issues? Okay, I will fix the bindings checker errors in the next patch. Regarding data-lanes: altering the value under mdss_dsi0 is causing the issue, not the value under the TI bridge endpoint. I will address this properly in the next patch. > > Konrad