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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b6d8535974asm1013525866b.25.2025.10.28.02.25.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 28 Oct 2025 02:25:25 -0700 (PDT) Message-ID: Date: Tue, 28 Oct 2025 10:25:23 +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 v1 1/1] arm64: dts: qcom: talos-evk: Add support for dual-channel LVDS panel To: Sudarshan Shetty , 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: <20251028061636.724667-1-tessolveupstream@gmail.com> <20251028061636.724667-2-tessolveupstream@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20251028061636.724667-2-tessolveupstream@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDI4MDA3OSBTYWx0ZWRfX0FMxEqOfBTOu bhbn5JmLUfxpF43ETwSZSLlcsKH3lG5jQke7jJxwGkUrkFPLQlepiWiiT0lYLjFrYmR92LlIo88 4+s8k7hQjhHnSfw7h+jIF5sAP87sTM2LyuNMjRFzAKneH5dckCYOCy/EFfgqjZbBlltcW58jvp2 b9T2gXwPzg4ytYhhStO2rIsvmEu7o5zcoJtS59M0qLLqHczjUZOKlkuUPwfnsLVg4fPjFcuNNoD ilvWQ+rccoo5ZGiULD99ggPyc85yuXphoV7HnlvWvjHw3SGmaO+19oSu37tbeWyb8afOk0c6B1z sJjvT8q8vzzb3lHHVhXyzk7UmonioSaNaJW8UlndodD3jU1zpJqY18S6V1f/b1Q2jYPhFOLuHo2 CobLxA3bOyHkERmTzhTy2LnoFVefmw== X-Proofpoint-ORIG-GUID: 3pglsll2lynqnHgqOtZlHSg5E5qocNwy X-Proofpoint-GUID: 3pglsll2lynqnHgqOtZlHSg5E5qocNwy X-Authority-Analysis: v=2.4 cv=c9CmgB9l c=1 sm=1 tr=0 ts=69008c06 cx=c_pps a=oc9J++0uMp73DTRD5QyR2A==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=pGLkceISAAAA:8 a=QuCLnqFj5nzKUXK4Y7gA:9 a=QEXdDO2ut3YA:10 a=iYH6xdkBrDN1Jqds4HTS:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-28_03,2025-10-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 spamscore=0 priorityscore=1501 adultscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510020000 definitions=main-2510280079 On 10/28/25 7:16 AM, Sudarshan Shetty wrote: > This patch introduces a new device tree for the QCS615 Talos > EVK platform with dual-channel LVDS display support. > > The new DTS file (`talos-evk-lvds.dts`) is based on the existing > `talos-evk.dts` and extends it to enable a dual-channel LVDS display > configuration using the TI SN65DSI84 DSI-to-LVDS bridge. > > where channel-A carries odd pixel and channel-B carries even pixel > on the QCS615 talos evk platform. > > Signed-off-by: Sudarshan Shetty > --- [...] > + backlight: backlight { > + compatible = "gpio-backlight"; > + gpios = <&tlmm 115 GPIO_ACTIVE_HIGH>; > + default-on; > + }; > + > + lcd0_pwm_en { Use hyphens instead of underscores in node names > + compatible = "pwm-gpio"; > + gpios = <&tlmm 59 GPIO_ACTIVE_HIGH>; > + pinctrl-0 = <&lcd0_bklt_pwm>; I think your intention was to use pwm-backlight and wire this node up to that Konrad