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Mon, 06 Jul 2026 01:52:11 -0700 (PDT) X-Received: by 2002:a17:903:3845:b0:2cc:aa36:c046 with SMTP id d9443c01a7336-2ccaa36ce09mr20820495ad.14.1783327931503; Mon, 06 Jul 2026 01:52:11 -0700 (PDT) Received: from [10.206.100.243] ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2cad6f260acsm46383945ad.6.2026.07.06.01.52.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Jul 2026 01:52:10 -0700 (PDT) Message-ID: <52b7ee6e-bd99-4555-8a49-6cdde1331714@oss.qualcomm.com> Date: Mon, 6 Jul 2026 14:22:06 +0530 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 v2 2/4] arm64: dts: qcom: shikra-cqm-evk: Enable display and add ili7807s panel To: Krzysztof Kozlowski , Nabige Aala , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260706-shikra-dt-changes-v2-0-56fcd1659ea4@oss.qualcomm.com> <20260706-shikra-dt-changes-v2-2-56fcd1659ea4@oss.qualcomm.com> <7815e3ac-30c7-4564-9a7a-6a1ecb9278c8@kernel.org> Content-Language: en-US From: Arpit Saini In-Reply-To: <7815e3ac-30c7-4564-9a7a-6a1ecb9278c8@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: QEKKAyptqqhIiKl0Mnb060CfBxLahQEV X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA2MDA4OCBTYWx0ZWRfXyGLdkBOdPkOr lmK5da/bJt6BPKP5Xju76fHV21MyVI5EBE7Z6KWuKWQYTZcKrk7MoDfyD5Nuw3ewmWi9mY/kJ9d gvKuwiwsfFBetucX0nMXaIJHOCcaqa4= X-Authority-Analysis: v=2.4 cv=Mo1iLWae c=1 sm=1 tr=0 ts=6a4b6cbc cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=DWWUBYW1OiKU4YM7QbkA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA2MDA4OCBTYWx0ZWRfX823IvwNaLrY0 TSm1GjIZf5AX6GuP2s73RWG361swXAxnO1SweUrP5kq6XchTAyL/5CybWPejIteFkNmJaOlOJQO uBVealA30lR1+2ZQmSBzQzZXbN5ajP4+17NkZ5kq7UGRH8WyoI88fOMFGrzF7YcEUXaJwlYLTqr ERD1BNuDXA6iIWV6ihpCTZTgipiGVMiojlR0DLvAr3+2KtrVT09eAQOaqc6lAX2YFAfOVOVrRht 6q0K/IiXDgmTIKme76MV2jXIB5C2bESCyNEXGDeObUffrjDZkWS8DATj43Y2PDqVD7ifRMxnP7Z TuOykIBNWWUTXEky45Cce/NINYYhfZhBAvA6z3H/VFjafgel1FuEpSZGSZ9grmjpPYGWwBwISPy GJKOthUZy9jNGLWgQ253HG+GFPI8i2H2/MbKV7AsChs55um2n3sUWRiM1g/UVtJvAmp1aqXo1KI 1vdvwc6TGHvcUwdpbRQ== X-Proofpoint-ORIG-GUID: QEKKAyptqqhIiKl0Mnb060CfBxLahQEV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-05_02,2026-07-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 bulkscore=0 adultscore=0 priorityscore=1501 suspectscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607060088 Hi Krzyszto, On 7/6/2026 12:03 PM, Krzysztof Kozlowski wrote: > On 06/07/2026 08:04, Nabige Aala wrote: >> + lcd_bias: regulator-lcd-bias { >> + compatible = "regulator-fixed"; >> + regulator-name = "lcd_bias"; >> + vin-supply = <&vph_pwr>; >> + gpio = <&tlmm 151 GPIO_ACTIVE_HIGH>; >> + enable-active-high; >> + pinctrl-0 = <&lcd_bias_en>; >> + pinctrl-names = "default"; >> + }; >> + >> + vph_pwr: vph-pwr-regulator { > Why so inconsistent names? > > Anyway, drop the node, not used and not controllable. As per the schematics of LCD display Bias driver , vph_pwr is used as vin for that. So I created vph_pwr , if you want , I can drop that in next patchset. Thanks, Arpit >> + compatible = "regulator-fixed"; >> + regulator-name = "vph_pwr"; >> + regulator-always-on; >> + regulator-boot-on; > > > Best regards, > Krzysztof