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Mon, 21 Sep 2026 23:17:43 -0700 (PDT) Received: from hu-ssmaurya-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33e610e786dsm2974252eec.1.2026.09.21.23.17.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Sep 2026 23:17:42 -0700 (PDT) Date: Tue, 22 Sep 2026 11:47:35 +0530 From: Shashank Maurya To: Konrad Dybcio 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> <7266e78b-6768-47f3-873b-920c4f7e5d80@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: <7266e78b-6768-47f3-873b-920c4f7e5d80@oss.qualcomm.com> X-Proofpoint-ORIG-GUID: LNwM4Ehr2yKFh1dqTpcXPAGgXqAFmKS_ X-Proofpoint-GUID: LNwM4Ehr2yKFh1dqTpcXPAGgXqAFmKS_ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTIyMDA4OCBTYWx0ZWRfXyNKBilUvDtLc zu6XHQWhvQepx8xZsvZNn4cIChO/WqdvGyRpAmRfDawuLg0m+d6RzDRu6HsySxC/vi/shHNgd8A Vj/zv22r9ZUhwbK7qD9u4L+PHFkBBizRtYdKuc6gHQ7lZ6sIcKJ7HRKaCd2YQZdyd+pdwUyzonL Kn2gqk0n3BMgO4sUmR1/HTHrZwjyxZIIGjdTbIHiT/QyIt9Sta+F1plXjr5TbP9bxjiZDKAuzw7 TgSe1NPI2cZ+8P8uCbXH2r6WhJvaFsBY7VE6a+Ky4xv1Gpu97tmeHbpKn1seNeN2xird/Ieu7Wq KrqCt+FrW8wBPK5JN9HCeRPOULiFh+eY1d28NNkKSYss58poVhj/zALfcpNKRLnRdTMncyyzErZ oqFzxXGx8VbNBdcfL9xPTWykZPhX0V92u9XkUHIkB3Ado16TM3mLm+5Hb6aZM45GuZQNwADevNF NUYvAwTF8VWHdjzp+0A== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTIyMDA4OCBTYWx0ZWRfXzTxd0LVO0Ixi oIWD1HiFtQMOFDoT9NBbDhUr4vkoU0L1i5IE67FT2CZg/nfTe8OecxlgQMjCS7qVJyvNER72zCv Uz7GRC7viYjwULzcI0lIe3K9eo4KTOU= X-Authority-Analysis: v=2.4 cv=TvFzFzXh c=1 sm=1 tr=0 ts=6ab21d88 cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=x-C9AHaFmKqvuEDWSewA:9 a=CjuIK1q_8ugA:10 a=3WC7DwWrALyhR5TkjVHa:22 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=2026-09-21_07,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 adultscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 clxscore=1015 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609220088 On Wed, Sep 09, 2026 at 04:51:01PM +0200, Konrad Dybcio wrote: > On 9/7/26 8:33 AM, 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 > > --- > > [...] > > > + reg_dsi_touch: regulator-touch { > > + compatible = "regulator-fixed"; > > + regulator-name = "rpi-touch"; > > + regulator-min-microvolt = <5500000>; > > + regulator-max-microvolt = <5500000>; > > + gpio = <&expander3 5 GPIO_ACTIVE_HIGH>; > > + enable-active-high; > > + regulator-always-on; > > + }; > > Does this need to be always-on? There's clearly a consumer for it > > Konrad No, I'll remove regulator-always-on in next revision.