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Fri, 18 Jul 2025 16:11:30 -0700 From: Donald Shannon To: , , CC: , , , , , , "Donald Shannon" Subject: [PATCH v5 0/2] Adding device tree and binding for NVIDIA GB200-UT3.0b Date: Fri, 18 Jul 2025 16:11:16 -0700 Message-ID: <20250718231118.3330855-1-donalds@nvidia.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF0000C37E:EE_|IA0PR12MB7698:EE_ X-MS-Office365-Filtering-Correlation-Id: 16e527a7-8bb9-4115-1290-08ddc65075f3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|376014|82310400026|13003099007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?W68IQpIv9M0D3SO0PGi0CZ0mBOA93TmM6bM5G/dzfJq6xtBF2sV0LjJbs1fw?= =?us-ascii?Q?g/Ga/gzuua7TWIAg4RiWAP5/IN7sJ0RMloEpDyJ02BZOF4VcWivgFGhKQO69?= =?us-ascii?Q?yHryMqypYkzs0PbxbXG4cSLMqdd1Xd0AM0npbvVOa0C2G6fc5rkBuILPiz16?= =?us-ascii?Q?fGIO/0LBwGAgWAYaoFV3uF2hw1Hb+zx36YvSvqdVOHW3dQcSUf/RKG8hrt0m?= =?us-ascii?Q?rLdlcOhooo5gPLdQlJvnIdrdKggsspJhqTXAydi83rfTOdbSHn3BxycYDCn7?= =?us-ascii?Q?ObzrYzXZ3LOJCMUC0Kqw2DYOLzwXB17QXGMGxJa8/nBEWmeAWWDLsvsAbXp/?= =?us-ascii?Q?lYdGbvOcrmutK9MgpGhCWqQXJASjwAaGZJ9TgsAGYrlaaolEqIxyTONwBnIM?= =?us-ascii?Q?g2EA3dWDiFpT8CvN6gF7ze9UhFoVAoHoWCXxX5e3gOSszjQVdrDI3s8IhJu8?= =?us-ascii?Q?zIqmAp0AUMBNIyXoE1E05YQZ5JnJ4MYiTDURSPD6RXRNq3o+fD5vQAwj94f5?= =?us-ascii?Q?u0cYZiuvJu8rQ5fTkjP5vWCMx/lL7FY0/VPojWz1vOQ4bR9GIk+qqUWZGnRB?= =?us-ascii?Q?Y+5RUECAeLsK7Q4RnqnifqN3soZ5Lnm/egnEtY3OfSiTgMaAo0BhaYZq5RuC?= =?us-ascii?Q?Mj27+vBK/VFZ/MIEwORWWztKfznhTsAyx4uNwmo7w7rR+DFm0rcDCdgt2lFJ?= =?us-ascii?Q?DDY+HBe+y2Tmw41SWzFtjDR3pnSsXoZaWufMxf3G9jOoLXzmHktYrH/ntXaz?= =?us-ascii?Q?ZS+7ZrQ/StgOM4QXcAlCReh0dGs+agp9vPVHXLVERWRFy8zlR6+OaZhBjaRC?= =?us-ascii?Q?dvgnWrUgGSLLUWRjkWZd8HRiiZ601xsOFWGWMxpg1p++vPQTfNMzOa9WIeYF?= =?us-ascii?Q?ZBgbjd/NEUW4HS1j3hk6gY2s/TVEGc1B8m/ihX2GJbNKZ3mIfjVCFINBD9R1?= =?us-ascii?Q?5uWJGWwMRcH6EAb1WEjirzFImSVo9g/L7NPQrSTmzYzDv5L1YoB+KhZwF16N?= =?us-ascii?Q?nxWg95Ru52Dnj9FYZIYRqPzNgLlXtv4HfXlgqg58hHgTCpl6mVDOH/IiQuG9?= =?us-ascii?Q?3rFqS1YNNQQeKtTXIRRNttUYWs9DDtIi8e9QbiuLHatpnle+Q4YpfuqLu21s?= =?us-ascii?Q?OnTMPlyG7MnmG5ClAQRc68uQP8+eLcCHe+dN6YUXa/9B6nVHGd7BGd9oCDjb?= =?us-ascii?Q?Tuv5ZHzmd2Y++fcP/O/dLkaJ/rAVnZLiMgh5cTAud0w6hgTjYqHMm+9yk2XS?= =?us-ascii?Q?cHFssOuUrd+bV5Bd3xMzQhpn+P+XV8lFB+TDlfuYnX0bZQJVbiHGMY5x5eNe?= =?us-ascii?Q?BacqWpB1qPRMMSQOa1RCxCRbKP0vwUY6605kGXX/a77e1n8UIB8P+k1YogPF?= =?us-ascii?Q?wG7fJtVm0YJNE/NJ1holocU1qlCkS6SWfeJnbAMihxQKNz8AKNNxWlvuXHTG?= =?us-ascii?Q?wd9DGr/PJYN8CmTSChZspQqZOukB5yh4al7O1TE9Y3QAFfIt65YpyJwlDHhb?= =?us-ascii?Q?hZRRlkE7YCSjzn1dxAoSiPz/iPM1D7MfcQUe?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(36860700013)(376014)(82310400026)(13003099007);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Jul 2025 23:11:43.3487 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 16e527a7-8bb9-4115-1290-08ddc65075f3 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF0000C37E.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB7698 Patch 1 adds the binding for the NVIDIA GB200-UT3.0b platform. Patch 2 adds the device tree for the NVIDIA GB200-UT3.0b platform. This is an Aspeed AST2600 based unit testing platform for GB200. UT3.0b is different than nvidia-gb200nvl-bmc due to networking topology differences, additional gpio expanders, and voltage regulator gating some devices. Reference to Ast2600 SOC [1]. Reference to Blackwell GB200NVL Platform [2]. Link: https://www.aspeedtech.com/server_ast2600/ [1] Link: https://nvdam.widen.net/s/wwnsxrhm2w/blackwell-datasheet-3384703 [2] Signed-off-by: Donald Shannon --- Changes v1 -> v2: - Changed phy-mode to rgmii-id [Lunn] - Removed redundant max-speed for mac0 [Lunn] - Fixed typo from gb200nvl to gb200 in Makefile Changes v2 -> v3: - Fixed whitespace issues [Krzysztof] - Fixed schema validation issues from my end ( there are still issues with the aspeed dtsi file that are not related to this new dts) [Herring] - Reordered to follow style guide [Krzysztof] - Removed redundant status okays - Changed vcc to vdd for the power gating on the gpio expanders Changes v3 -> v4: - Added changelog [Krzysztof] - Added nvidia,gb200-ut30b board binding [Krzysztof] - Removed unused imports - Reordered a couple other style guide violations - Added back in a couple needed "status okay"s Changes v4 -> v5: - Resumed my patch after a pause - Don't plan to make this include of nvidia-gb200nvl-bmc due to some platform differences - Fixed io expanders that weren't gated by the 3.3V standby regulator - Fixed incorrect interrupt pin for one IO expander - Removed some IO expanders and I2C busses --- Donald Shannon (2): Documentation: devicetree: Add binding for NVIDIA GB200-UT3.0b platform ARM: dts: aspeed: Add device tree for Nvidia's GB200 UT3.0b platform BMC .../bindings/arm/aspeed/aspeed.yaml | 1 + arch/arm/boot/dts/aspeed/Makefile | 1 + .../aspeed/aspeed-bmc-nvidia-gb200-ut30b.dts | 1027 +++++++++++++++++ 3 files changed, 1029 insertions(+) create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200-ut30b.dts base-commit: d086c886ceb9f59dea6c3a9dae7eb89e780a20c9 -- 2.43.0