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Thu, 08 Oct 2026 11:32:31 -0700 (PDT) Received: from hu-ssmaurya-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ab32d5a429sm113929a91.0.2026.10.08.11.32.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Oct 2026 11:32:30 -0700 (PDT) Date: Fri, 9 Oct 2026 00:02:23 +0530 From: Shashank Maurya To: Dmitry Baryshkov Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, venkata.valluru@oss.qualcomm.com, Jessica Zhang Subject: Re: [PATCH v2 1/2] arm64: dts: qcom: monaco-evk: Add Raspberry Pi 7-inch DSI panel overlay Message-ID: References: <20260907-rpi_dts_overlay-v2-0-a4989322ce00@oss.qualcomm.com> <20260907-rpi_dts_overlay-v2-1-a4989322ce00@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@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-ORIG-GUID: WofetONtUV6VFBxJEIsJvCL1N648FQmX X-Proofpoint-GUID: WofetONtUV6VFBxJEIsJvCL1N648FQmX X-Authority-Analysis: v=2.4 cv=LI3z05W9 c=1 sm=1 tr=0 ts=6ac7e1c1 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=kj9zAlcOel0A:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=FWuPlianXOF5sMIjmo4A:9 a=CjuIK1q_8ugA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDA4MDA3MyBTYWx0ZWRfX3VkHQSt0Slwh 17bmzHeCzPrgXwDaElkM+RSiHwogiqNZvd9uSwfFFLmUAxZJX6DH6sLRwrAuaB1ZHva75RHIUb8 9/cyC3kmp6c/MAxvxlyPHqAqp1zTjfM= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDA4MDA3MyBTYWx0ZWRfX/r7dbEJ51Iw8 R+C+He54thlJMC2iM9lib80O+DkOM4DCfoVX60WPsDuWtUqWWK2lVulEtIj/+TWRR6TYKbvuVG8 MKflmvxe24Uc3tVJGvKflYe04VoqZoHKBBH/zE3NfSYbjr8/GM2lrOeM5uIjtM7wkTDzms+WBiE QKMfRUILXEX23htUHbUqK54J1GA6v+YU+XvtYytpspwpgDMxY01wtfekPyb5c1v2rUVJ7o9LYYk VmrhEyNZxkcViNRldX0cTHwSM5fK3hi2N7kFKlTOzQePF5bpT9k8dSXx8RNOLm4WXnDSUSyokFC 6xOzY7hBvdtdM196BB4CGO9ip33X5szL+2nJKthtUVfp46UwjkzFYvBHqZ9UvYMrZdSoF07QEXb 8YMAqZ1a2DWJ9ednvLjVJ1qKHoGT1bGFrxIizs49qohTI9Y2Hq++nloZh+YVArfKwIU4FCROpXi YrkFZM8LjyxKG5wXRBQ== 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=2026-10-08_06,2026-10-08_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 phishscore=0 priorityscore=1501 spamscore=0 malwarescore=0 suspectscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610020000 definitions=main-2610080073 On Mon, Oct 05, 2026 at 09:34:16AM +0300, Dmitry Baryshkov wrote: > On Mon, Sep 07, 2026 at 12:03:53PM +0530, Shashank Maurya wrote: > > Add a DT overlay for the Raspberry Pi 7" DSI touchscreen panel on > > Monaco EVK, using mdss_dsi0 with 2 data lanes and the panel MCU on > > I2C8. > > > > Signed-off-by: Shashank Maurya > > --- > > arch/arm64/boot/dts/qcom/Makefile | 2 + > > .../dts/qcom/monaco-evk-raspberrypi-dsi-7inch.dtso | 82 ++++++++++++++++++++++ > > 2 files changed, 84 insertions(+) > > > > + > > + reg_backlight: reg_backlight@45 { > > Can there be an underscrore in the DT node name? No. Is reg_backlight a > generic name? No. > > Use regulator@45 > > > + compatible = "raspberrypi,touchscreen-panel-regulator-v2"; > > + reg = <0x45>; > > + > > + vcc-supply = <®_dsi_touch>; > > + gpio-controller; > > + #gpio-cells = <2>; > > + #pwm-cells = <3>; > > + }; > > +}; > > + > > -- > With best wishes > Dmitry Sure Dmitry, we will take care of all above points in next revision.