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[5.157.101.10]) by smtp.gmail.com with ESMTPSA id l34-20020a05600c1d2200b003fef5e76f2csm6791127wms.0.2023.10.09.07.28.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 09 Oct 2023 07:28:42 -0700 (PDT) Message-ID: Date: Mon, 9 Oct 2023 16:28:41 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/7] dt-bindings: media: Document STM32MP25 VENC video encoder Content-Language: en-US To: Hugues FRUCHET , Ezequiel Garcia , Philipp Zabel , Mauro Carvalho Chehab , Hans Verkuil , linux-media@vger.kernel.org, Maxime Coquelin , Alexandre Torgue , linux-stm32@st-md-mailman.stormreply.com, Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org Cc: Andrzej Pietrasiewicz References: <20231004091552.3531659-1-hugues.fruchet@foss.st.com> <20231004091552.3531659-4-hugues.fruchet@foss.st.com> <6bc60e4a-ddf1-4125-ba27-53ab55a553d2@linaro.org> <0de2ae74-2ba1-0e8d-aa7b-77806ac8b252@foss.st.com> <1e2a4d87-5478-4655-993d-7f404d507c82@linaro.org> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On 09/10/2023 16:24, Hugues FRUCHET wrote: > Hi Krzysztof, > > On 10/9/23 15:56, Krzysztof Kozlowski wrote: >> On 09/10/2023 15:49, Hugues FRUCHET wrote: >>> Hi Krzysztof, >>> >>> On 10/5/23 21:45, Krzysztof Kozlowski wrote: >>>> On 04/10/2023 11:15, Hugues Fruchet wrote: >>>>> Add STM32MP25 VENC video encoder bindings. >>>>> >>>> >>>> I don't understand why this binding is separate from video decoder. >>>> Merge them. >>> VDEC and VENC are two independent IPs with their own clock, reset, >>> interrupt & register set, they have their own access to APB/AXI bus. >>> Moreover future chipsets may embed only VENC or VDEC. >>> >>> Hoping that this clarifies the reason of two different bindings. >> >> No, it does not. These are no reasons to have independent bindings, >> except when having actual impact on the bindings. The bindings look >> identical. What are the differences? > I'm sorry but I really don't understand your point, these are two > different IPs with very different registers in it, so why should > I share that in a single binding ? Because the binding is identical. If not, maybe I missed something, so please point me to differences in the binding. Best regards, Krzysztof