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[188.141.3.146]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-426fc54b32dsm1314209f8f.30.2025.10.15.14.43.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 15 Oct 2025 14:43:29 -0700 (PDT) Message-ID: <0b6c157a-3d8d-4251-a704-31f8369f6a4e@linaro.org> Date: Wed, 15 Oct 2025 22:43:27 +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 v2 2/6] dt-bindings: media: camss: Add qcom,kaanapali-camss binding To: Vladimir Zapolskiy , Hangxiang Ma , Loic Poulain , Robert Foss , Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Todor Tomov , Mauro Carvalho Chehab Cc: linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, aiqun.yu@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, trilok.soni@oss.qualcomm.com, yijie.yang@oss.qualcomm.com, Jingyi Wang , Atiya Kailany References: <20251014-add-support-for-camss-on-kaanapali-v2-0-f5745ba2dff9@oss.qualcomm.com> <20251014-add-support-for-camss-on-kaanapali-v2-2-f5745ba2dff9@oss.qualcomm.com> From: Bryan O'Donoghue Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 15/10/2025 20:45, Vladimir Zapolskiy wrote: >> +  power-domains: >> +    items: >> +      - description: >> +          TFE0 GDSC - Thin Front End, Global Distributed Switch >> Controller. >> +      - description: >> +          TFE1 GDSC - Thin Front End, Global Distributed Switch >> Controller. >> +      - description: >> +          TFE2 GDSC - Thin Front End, Global Distributed Switch >> Controller. >> +      - description: >> +          Titan GDSC - Titan ISP Block Global Distributed Switch >> Controller. >> + >> +  power-domain-names: >> +    items: >> +      - const: tfe0 >> +      - const: tfe1 >> +      - const: tfe2 > > Please remove all 'tfeX' power domains, they are not going to be utilized > any time soon. > > When 'power-domains' list is just a single Titan GDSC, 'power-domain-names' > property is not needed. Each one of these TFEs powers an individually power-collapsible TFEs. This is also so with the other xFE power-domains on previous SoC generations. You'll need the TFEx power-domain to process any data on TFEx with the 'lite' versions being tied to the TOP GDSC. So please keep the power-domain list, TOP isn't enough. --- bod