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[77.252.46.238]) by smtp.gmail.com with ESMTPSA id i19-20020a056402055300b005233609e39dsm5821877edx.30.2023.09.04.05.11.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 04 Sep 2023 05:11:46 -0700 (PDT) Message-ID: <97b82a16-8710-9430-35c8-673381aaa417@linaro.org> Date: Mon, 4 Sep 2023 14:11:44 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Subject: Re: [PATCH 1/2] dt-bindings: arm64: dts: mediatek: Add mt8395-evk board Content-Language: en-US To: Macpaul Lin , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Frank Wunderlich , =?UTF-8?Q?Bernhard_Rosenkr=c3=a4nzer?= , Sean Wang , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Cc: Bear Wang , Pablo Sun , Macpaul Lin , Chunfeng Yun References: <20230904092043.5157-1-macpaul.lin@mediatek.com> <00f0a1cf-6246-92e9-13b0-cf31bb292a94@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <00f0a1cf-6246-92e9-13b0-cf31bb292a94@mediatek.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/09/2023 11:50, Macpaul Lin wrote: > > > On 9/4/23 17:33, Krzysztof Kozlowski wrote: >> >> >> External email : Please do not click links or open attachments until you >> have verified the sender or the content. >> >> On 04/09/2023 11:20, Macpaul Lin wrote: >>> Add bindings for the MediaTek mt8395-evk board. >>> The mt8359-evk board is also named as "Genio 1200-EVK". >>> MT8195 and MT8395 are the same family series SoC could share >> >> How can be the same and have different numbers? You sill need dedicated >> compatible. >> > > The SoCs mt8195 and mt8395 are designed for different market application > and physical characteristics, using different efuse values for > distinction. The booting flow and configurations are controllered by the > boot loaders, firmware, and TF-A. Therefore, the part numbers and > procurement channels are different. The detail information of these > efuse values is proprietary, so I cant disclose it futher. Hence the > most of peripheral drivers and base address are almost the same. 1. Drivers? So we talk about compatibility, not the same. 2. "almost the same" is not the same. Follow the guidelines for writing bindings. Best regards, Krzysztof