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smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cU3zZcUh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="cU3zZcUh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 90655C4CED6; Tue, 7 Jan 2025 06:16:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736230590; bh=rbm/HyJrgcyIONekUU1B/CycR6GsFRPZQR8HjkeAhyo=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=cU3zZcUhaekedmnJfQhGRR7XHeFxhCygwoAFGK1RANe0SFcW5VJlkPe1HwF53dxee v7S64dt76QJatjl2EM647ASIBOBagJDXrmBzTLvkEDDa7s3PpmH/hiNpAr3QfyjrjN cTwBQP9lFi/edM/DgfW4rbFiO36Gs2EWnDacPiDlv3oNjv2BjB57qRk+LVKuuoDsV8 lljnskCPl3XOtnQ37uvoolSkguAd+swO/SpEbbGiMr707cmiwKxUmcHL7/c/pU/8tj lxn6E6o84By92RSiElKr/+iRqT8mq3vglvP6/jl+0ewBjZon03iyI8ULbpcOERkviT nh0RGr2mWB+bA== Message-ID: <420caebd-136f-4015-96cd-5f37b9c3f49b@kernel.org> Date: Tue, 7 Jan 2025 07:16:19 +0100 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 v3 1/7] dt-bindings: mailbox: mediatek: Add MT8196 support for gce-mailbox To: =?UTF-8?B?SmFzb24tSkggTGluICjmnpfnnb/npaUp?= Cc: "robh@kernel.org" , "linux-media@vger.kernel.org" , "simona@ffwll.ch" , =?UTF-8?B?TmFuY3kgTGluICjmnpfmrKPonqIp?= , AngeloGioacchino Del Regno , "linux-mediatek@lists.infradead.org" , Project_Global_Chrome_Upstream_Group , "conor+dt@kernel.org" , "linux-kernel@vger.kernel.org" , "chunkuang.hu@kernel.org" , "devicetree@vger.kernel.org" , "krzk+dt@kernel.org" , "jassisinghbrar@gmail.com" , =?UTF-8?B?U2luZ28gQ2hhbmcgKOW8teiIiOWciyk=?= , "mchehab@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "airlied@gmail.com" , "dri-devel@lists.freedesktop.org" , "matthias.bgg@gmail.com" , =?UTF-8?B?TW91ZHkgSG8gKOS9leWul+WOnyk=?= , =?UTF-8?B?WGF2aWVyIENoYW5nICjlvLXnjbvmlocp?= References: <20241219170800.2957-1-jason-jh.lin@mediatek.com> <20241219170800.2957-2-jason-jh.lin@mediatek.com> <11f168c11b4cea48cf51406c0afaf8f1f53ad90f.camel@mediatek.com> <6adfa5fe-7b68-4f8e-919d-7b7607fe617c@kernel.org> <90b38dd6e093c89a7383814db786321cbd4533f6.camel@mediatek.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 07/01/2025 03:42, Jason-JH Lin (林睿祥) wrote: >> >> Before proceeding with this header further, please answer to above - >> why >> interrupt numbers, MMIO addresses and some other values appearing in >> DTS >> are not used like "binding headers". > > Because interrupt numbers and MMIO addresses are the real numbers of > hardware settings. Their driver can get them directly from their device > node in DTS. They are actual number to be set into their hardware, so > they don't need to be translated in their platform drivers. > > So I think all the definitions in the `mediatek,mt8196-gce.h` are the > same case. They are actual hardware numbers for GCE hardware to use. > It should be drop from the include/dt-bindings/*. I did not inspect all of the defines you have there. Maybe some are used by driver, so I did not provide you definitive answer on entire header. The comment was addressing one specific group of defines which were not used as a binding. > > > BTW, to make these numbers more readable in DTS, can I move > `include/dt-bindings/mailbox/mediatek,mt8196-gce.h` into > `arch/arm64/boot/dts/mediatek/mt8196-gce.h`? Yes, sure. > > Just like the `arch/arm64/boot/dts/mediatek/mt8167-pinfunc.h`. Best regards, Krzysztof