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Mon, 23 Mar 2026 19:42:29 +0000 (GMT) Received: from p1lg14886.dc01.its.hpecorp.net (unknown [10.119.18.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by p1lg14880.it.hpe.com (Postfix) with ESMTPS id 4C71280163D; Mon, 23 Mar 2026 19:42:29 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.39]) by p1lg14886.dc01.its.hpecorp.net (Postfix) with ESMTP id 6900C806B5F; Mon, 23 Mar 2026 19:42:28 +0000 (UTC) From: nick.hawkins@hpe.com To: Catalin Marinas , Will Deacon Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jean-Marie Verdun , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Nick Hawkins Subject: [PATCH v2 0/3] arm64: Add HPE GSC platform support Date: Mon, 23 Mar 2026 14:42:20 -0500 Message-Id: <20260323194223.683487-1-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzIzMDE0NSBTYWx0ZWRfX7A3Xk6GEaj8a L93ySiphLkKEAc5xxK33ZMJnbEXwxlnyuQQWEGeJ4M4Kc/yLE1W3hgFvcRTFc48YPDjI19srs1v +vKnMIbtKY78eDBlzmorzycHK9bnPP42CVPZ69fb/aEXYjW+HQYatfqpVTGkVlt3g7qPiaEktjD V3M0xFGhbzdGQcp1az2sQBCor/mY83a/y9lwU0xxRoGix3sXWn5G3diYATeTs8NcnKSzdzmCXM1 FxX34IUFq5wf4KUwFA6XeuExDSOUHujJZXrhm+N6bRmb3QqNW2Q61WH0yPdgx3aIV2ObREbJiSN 4/nlNWWZDWzmnDDWH8GSDK60/ul9nkHW08SudPUiysm8qXsE+oUbxpnYn2b8CtKudr9iakbOfSX BsmgMfpxuUhqOJU3NcvGgqa1+Tej0mXCvYgi/u/deyteouFkt7geKZ7kPsYTMdP3UDQ6KPj/VDR YYyDSwBk9sbLi+CqfKg== X-Proofpoint-GUID: sJUsmpsXHie4aD27ZLUFcu8ylPAVmqsi X-Proofpoint-ORIG-GUID: sJUsmpsXHie4aD27ZLUFcu8ylPAVmqsi X-Authority-Analysis: v=2.4 cv=X/Vf6WTe c=1 sm=1 tr=0 ts=69c197a5 cx=c_pps a=A+SOMQ4XYIH4HgQ50p3F5Q==:117 a=A+SOMQ4XYIH4HgQ50p3F5Q==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=gQcMVamqm3wCPoSYhaRC:22 a=g3u0LPWLDYfGfufhFw6-:22 a=MvuuwTCpAAAA:8 a=MGLm-9nv1a_vww38N8wA:9 X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-23_04,2026-03-23_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 malwarescore=0 suspectscore=0 priorityscore=1501 impostorscore=0 clxscore=1011 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603230145 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260323_124242_974513_A70A0C9B X-CRM114-Status: GOOD ( 14.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Nick Hawkins This series adds base platform support for the HPE GSC ARM64 BMC SoC used on HPE servers. Patch 1 extends the existing hpe,gxp.yaml DT binding to cover GSC-based boards (per DT maintainer guidance: one binding file per vendor). Patch 2 adds the ARCH_HPE_GSC Kconfig entry to arm64/Kconfig.platforms. Patch 3 adds the minimal SoC DTSI and DL340 Gen12 board DTS. The full peripheral set (i3c, ethernet, etc.) will follow in a later series after the relevant subsystem drivers are accepted upstream. v1 was submitted as a single patch containing only the DT binding. Based on review feedback from Krzysztof Kozlowski, this v2 expands to a proper series covering the full base platform introduction. Changes in v2: - Drop hpe,gsc.yaml; extend existing hpe,gxp.yaml instead (per Krzysztof Kozlowski review: one binding per vendor) - Split into three patches: binding, Kconfig, and DTS - Add gsc.dtsi + gsc-dl340gen12.dts - Add ARCH_HPE_GSC to arm64/Kconfig.platforms Nick Hawkins (3): dt-bindings: arm: hpe,gxp: Add HPE GSC platform compatible arm64: Kconfig: Add ARCH_HPE_GSC platform arm64: dts: hpe: Add HPE GSC SoC and DL340 Gen12 board DTS .../devicetree/bindings/arm/hpe,gxp.yaml | 11 ++- MAINTAINERS | 5 ++ arch/arm64/Kconfig.platforms | 18 +++++ arch/arm64/boot/dts/hpe/Makefile | 2 + arch/arm64/boot/dts/hpe/gsc-dl340gen12.dts | 18 +++++ arch/arm64/boot/dts/hpe/gsc.dtsi | 73 +++++++++++++++++++ 6 files changed, 126 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/boot/dts/hpe/Makefile create mode 100644 arch/arm64/boot/dts/hpe/gsc-dl340gen12.dts create mode 100644 arch/arm64/boot/dts/hpe/gsc.dtsi base-commit: 3f4a08e64442340f4807de63e30aef22cc308830 -- 2.34.1