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[88.112.128.43]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5593c9d0f35sm1985120e87.108.2025.07.14.08.30.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 14 Jul 2025 08:30:51 -0700 (PDT) Message-ID: Date: Mon, 14 Jul 2025 18:30:50 +0300 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 2/2] phy: qcom-mipi-csi2: Add a CSI2 MIPI D-PHY driver Content-Language: ru-RU To: Bryan O'Donoghue , Vladimir Zapolskiy , Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Bryan O'Donoghue , 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: <20250710-x1e-csi2-phy-v1-0-74acbb5b162b@linaro.org> <20250710-x1e-csi2-phy-v1-2-74acbb5b162b@linaro.org> <11b573d5-ce4d-476c-b94c-216d427cd838@linaro.org> <08261aa4-689b-4d6b-bfd2-221c1976d254@linaro.org> From: Vladimir Zapolskiy In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 7/14/25 18:17, Bryan O'Donoghue wrote: > On 14/07/2025 15:58, Vladimir Zapolskiy wrote: >> >> This proposed device node scheme does not solve the known and already >> discussed technical issue expectedly, namely there is no given way >> to describe a combo mode hardware configuration, when two independant >> sensors are wired to the same CSIPHY. This is an unsolvable problem >> with this design. > > I think that is genuinely something we should handle in camss-csid.c > maybe with some meta-data inside of the ports/endpoints.. > This is a CSIPHY property, a CSIPHY hardware configuration and a wiring of sensors to a CSIPHY. Where is the relation to CSID here? There is no. Please share at least a device tree node description, which supports a connection of two sensors to a single CSIPHY, like it shall be done expectedly. -- Best wishes, Vladimir