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Tue, 27 Oct 2026 01:56:50 -0700 (PDT) Received: from localhost.localdomain ([240e:36d:b08:2bc0::a60]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2eae6c91e1bsm5623875ad.59.2026.10.27.01.56.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Oct 2026 01:56:49 -0700 (PDT) From: Jianfeng Liu To: krzk@kernel.org Cc: HystericalDragons@proton.me, amadeus@jmu.edu.cn, conor+dt@kernel.org, devicetree@vger.kernel.org, heiko@sntech.de, hrushirajg23@gmail.com, krzk+dt@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, liujianfeng1994@gmail.com, macromorgan@hotmail.com, michael.opdenacker@rootcommit.com, naoki@radxa.com, robh@kernel.org Subject: Re: [PATCH 1/3] dt-bindings: arm: rockchip: Add ArmSoM Sige7s Date: Tue, 27 Oct 2026 16:56:34 +0800 Message-ID: <20261027085634.380872-1-liujianfeng1994@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261027-angelic-caribou-of-wonder-02ccc8@quoll> References: <20261027-angelic-caribou-of-wonder-02ccc8@quoll> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Krzysztof, On 2026-10-27 7:48 UTC, Krzysztof wrote: >Maybe just install the DTB under new name if they are identical? Thanks for the suggestion. Installing the existing CoolPi 4B DTB under a different filename would solve the DTB naming issue, but the model and compatible properties would still identify the device as a CoolPi 4B. This is my main concern. Users running Linux on a Sige7s would still see "RK3588S CoolPi 4 Model B" in /proc/device-tree/model, even though they purchased an ArmSoM Sige7s. I agree that we should avoid duplicating the hardware description, since the boards are identical. However, I think preserving the correct board identity in the device tree is useful, especially for a product that is still being manufactured and will receive ongoing upstream support. Would it be acceptable to share the entire hardware description while keeping separate model and compatible properties for the two boards? Best regards, Jianfeng