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Thu, 29 Oct 2026 01:26:12 -0700 (PDT) Received: from localhost.localdomain ([240e:36d:b08:2bc0::a60]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2eae6b7a216sm30031585ad.16.2026.10.29.01.26.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Oct 2026 01:26:11 -0700 (PDT) From: Jianfeng Liu To: linux-rockchip@lists.infradead.org Cc: Krzysztof Kozlowski , Quentin Schulz , Jianfeng Liu , Alexey Charkov , Amin Gattout , Chukun Pan , Conor Dooley , Heiko Stuebner , Hrushiraj Gandhi , Krzysztof Kozlowski , Michael Riesch , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] arm64: dts: rockchip: Add ArmSoM Sige7s board Date: Thu, 29 Oct 2026 16:25:21 +0800 Message-ID: <20261029082541.469999-3-liujianfeng1994@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261029082541.469999-1-liujianfeng1994@gmail.com> References: <20261029082541.469999-1-liujianfeng1994@gmail.com> 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 The ArmSoM Sige7s is a rebranded CoolPi 4B. ArmSoM purchased the original hardware design from CoolPi and confirmed that no hardware modifications were made for the Sige7s. Include the CoolPi 4B DTS directly and override only model and compatible. This preserves the Sige7s board identity without duplicating the hardware description or changing the existing CoolPi DTS. It also preserves that identity when a firmware-provided DTB is replaced by one shipped with the kernel. Add a comment explaining the relationship between the boards and register the new DTB in the Makefile. Link: https://docs.armsom.org/armsom-sige7s Link: https://lore.kernel.org/r/2a1c33c9-8971-4054-a463-60f3ceddd627@cherry.de/ Signed-off-by: Jianfeng Liu --- Changes in v2: - Include the CoolPi DTS directly instead of extracting a common DTSI. - Explain the board identity requirement in the commit message and DTS comment. arch/arm64/boot/dts/rockchip/Makefile | 1 + .../boot/dts/rockchip/rk3588s-armsom-sige7s.dts | 16 ++++++++++++++++ 2 files changed, 17 insertions(+) create mode 100644 arch/arm64/boot/dts/rockchip/rk3588s-armsom-sige7s.dts diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile index 442d322a20cf7..c8a5a88a0e46a 100644 --- a/arch/arm64/boot/dts/rockchip/Makefile +++ b/arch/arm64/boot/dts/rockchip/Makefile @@ -231,6 +231,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-turing-rk1.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-vicharak-axon.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-vicharak-vaaman2.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-youyeetoo-yy3588.dtb +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-armsom-sige7s.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-coolpi-4b.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-evb1-v10.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-gameforce-ace.dtb diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-armsom-sige7s.dts b/arch/arm64/boot/dts/rockchip/rk3588s-armsom-sige7s.dts new file mode 100644 index 0000000000000..c3282581b42d2 --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/rk3588s-armsom-sige7s.dts @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * The ArmSoM Sige7s is a rebranded CoolPi 4B. ArmSoM acquired the original + * hardware design and confirmed that it was not modified. Reuse the CoolPi + * 4B description while keeping the Sige7s model and compatible to identify + * the board under its marketed name. + */ + +/dts-v1/; + +#include "rk3588s-coolpi-4b.dts" + +/ { + model = "ArmSoM Sige7s"; + compatible = "armsom,sige7s", "coolpi,pi-4b", "rockchip,rk3588s"; +}; -- 2.47.3