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[188.141.3.146]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-483bd6f3124sm482928495e9.1.2026.03.03.06.55.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Mar 2026 06:55:56 -0800 (PST) Message-ID: <1082062b-87a7-4254-b5e7-2dc3769a619f@linaro.org> Date: Tue, 3 Mar 2026 14:56:08 +0000 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: Konrad Dybcio , 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> Content-Language: en-US From: Bryan O'Donoghue In-Reply-To: <04f22394-2dbb-4b7b-bce3-9b41ebfb7709@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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 ? --- bod