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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b76f59aecbdsm1180313966b.38.2025.12.01.04.38.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 01 Dec 2025 04:38:24 -0800 (PST) Message-ID: <09e5d84c-39b7-45a9-b7d7-9beb54fb2f3f@oss.qualcomm.com> Date: Mon, 1 Dec 2025 13:38:21 +0100 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 v4 10/12] arm64: dts: qcom: sdm845-lg-judyln: Add lab/ibb To: Paul Sajna , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , David Heidelberg Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org, Amir Dahan , Christopher Brown References: <20251125-judyln-dts-v4-0-a5a60500b267@postmarketos.org> <20251125-judyln-dts-v4-10-a5a60500b267@postmarketos.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20251125-judyln-dts-v4-10-a5a60500b267@postmarketos.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjAxMDEwMyBTYWx0ZWRfX6wLC/JvQkLs1 Z6ppYv14pCyUYcN2kqbL4MD1eQ9RC655YA5tG9VGhYtodThPb4mlVcvvePwptQWwSkg/8pot3vZ Vl7jy9RDbL1BrH8yV8UocPn5IqTjS3K2IuCd+Oy2PCNojGp5bl2zueLaeBK4AA2KE+DH4IPnWDx wnuQ+QbL3PskLdJLUCbu7aCphx+oBr5YvjYLLsTVgFWB+S5y9TffQmUKYiwmlgPDbzgXLx2ZCVf ja4clqxVit9rTDvLeWSERyCUBgzdZgDiXHsbazpz7xG/J2o4Fseb0i1WC4rMRCuQv/Zc9ERhmJ3 Z545t9FavTbJtTLp1dr/srdJG/aCK2tzD64tmNrzkCjSi57yhwFBoi/5lwqbppA0SOgBFhb1MMN hKFPbXDyUvAazRnIDThDIv3kpjlapw== X-Authority-Analysis: v=2.4 cv=XJQ9iAhE c=1 sm=1 tr=0 ts=692d8c41 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Gbw9aFdXAAAA:8 a=EiCcalQ1L6XHdR4pprMA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 a=9vIz8raoGPyDa4jBFAYH:22 X-Proofpoint-ORIG-GUID: TMDYIZMAYBQGgjv3Ia6FrKtnI3tyCVoN X-Proofpoint-GUID: TMDYIZMAYBQGgjv3Ia6FrKtnI3tyCVoN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-28_08,2025-11-27_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 priorityscore=1501 spamscore=0 clxscore=1015 phishscore=0 suspectscore=0 adultscore=0 lowpriorityscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512010103 On 11/25/25 9:12 AM, Paul Sajna wrote: > These regulators are required for the LCD > > Signed-off-by: Paul Sajna > --- > arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts > index a61f7bd65a7a..3188334d269b 100644 > --- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts > +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts > @@ -56,10 +56,27 @@ zap-shader { > }; > }; > > +&ibb { > + regulator-min-microvolt = <4600000>; > + regulator-max-microvolt = <6000000>; Sorry for not responding earlier, you can retrieve the actual volt numbers from the hardware by reading PMI8998_IBB_REG_BASE + REG_LABIBB_VOLTAGE = 0xdc41 ibb_uV = 1.4 + .1 * val PMI8998_LAB_REG_BASE + REG_LABIBB_VOLTAGE = 0xde41 lab_uV = 4.6 + .1 * val Konrad