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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-660bf4d8249sm1224812a12.17.2026.03.04.02.32.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Mar 2026 02:32:34 -0800 (PST) Message-ID: <5bdfb62f-c3d2-4705-a49c-8830577342f9@oss.qualcomm.com> Date: Wed, 4 Mar 2026 11:32:31 +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 v3 1/2] dt-bindings: phy: qcom: Add CSI2 C-PHY/DPHY schema To: Bryan O'Donoghue , Bryan O'Donoghue , Bryan O'Donoghue , Vijay Kumar Tumati , Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong Cc: Vladimir Zapolskiy , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260226-x1e-csi2-phy-v3-0-11e608759410@linaro.org> <20260226-x1e-csi2-phy-v3-1-11e608759410@linaro.org> <676e2a9f-d274-40fa-988f-e9388ba40f71@nxsw.ie> <04f22394-2dbb-4b7b-bce3-9b41ebfb7709@oss.qualcomm.com> <1082062b-87a7-4254-b5e7-2dc3769a619f@linaro.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <1082062b-87a7-4254-b5e7-2dc3769a619f@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzA0MDA4MSBTYWx0ZWRfX9TxYwITV9CIq UCXcSUM1ZMThkQS17WSONNEcavloceXQI7jX/s7eb/EzQJVw+zvA7rbwkX9HsL6ELWP1P1TuEsI kSNmCmMNtEFuAoMl2P2sAhcodf7lEQC0yHvR7onbUlcagXMZA2Fg8QUhWmX3wltDzMAsGDN2ON8 j/0J2R0M/DqdEpYmRFnlNzALt0V4ajccyemLdZztEtd18XYY+oloZ14d1YZu15sfwnA2LcGZYSK 2zgwJocVLonwoKvMde+mRkjzLbw6+6dLkzqMRR4By2bga7Lj1S+o4po4BI4nwCescFxJTX3TGYQ z+UIjfb1EeTWev96FNUmNaFeA347i3tY5RJx9eXBXjZnqAomMYSix4KrBKlJDUfGQPzmyA80ibY aYqTDC4O1uGcWDtO0mG0Kijzy70am8L7OnYrxpAyOeuxybHEWwPpHQiv6Q1Xr6l9S+XrGC03QBD xW+HX5Qn/FGQt2DUHPQ== X-Proofpoint-GUID: 9h79PnhUti5YKAJ2o1TEvWtp6JhXe2Pa X-Authority-Analysis: v=2.4 cv=S4LUAYsP c=1 sm=1 tr=0 ts=69a80a44 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=JUammnum_Y0_sDqSRXIA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-ORIG-GUID: 9h79PnhUti5YKAJ2o1TEvWtp6JhXe2Pa X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-04_05,2026-03-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 impostorscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 clxscore=1015 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603040081 On 3/3/26 3:56 PM, Bryan O'Donoghue wrote: > On 03/03/2026 12:34, Konrad Dybcio wrote: >> That depends on the use case. >> >> MXA is always-on (that's the 'A' in the name, as opposed to 'C' >> for 'Collapsible'), but it's not always at the required performance >> state (svs, nom, etc.). For some clock controllers specifically, there >> is no need to put them into the picture, as the rail may be unconnected >> altogether, or only used for some retention mechanisms (which only >> require the rail to be enabled and nothing more) > > Does this rail have an OPP table you can share ? Camera clocks on X1 (mclks and the fixed PLL2, which is exclusively used to derive MCLKs) that potentially depend on this rail (awaiting Taniya's opinion on the other thread [1]) would only need LOWSVS_D1 for all of their configurations (ftbl_cam_cc_mclk0_clk_src[]) i.e. let's wait for a definitive answer as there's a lot of layers.. [1] https://lore.kernel.org/linux-arm-msm/382725b5-1e72-44b2-b9ae-38aea1f7a976@oss.qualcomm.com/ Konrad