linux-kernel - [PATCH v4 1/1] ARM: dts: aspeed: Add device tree for Nvidia's GB200 UT3.0b platform BMC

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Message-ID: <20250611013025.2898412-1-donalds@nvidia.com>
Date: Tue, 10 Jun 2025 18:30:24 -0700
From: Donald Shannon <donalds@...dia.com>
To: <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>
CC: <joel@....id.au>, <andrew@...econstruct.com.au>,
	<devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-aspeed@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
	<etanous@...dia.com>, Donald Shannon <donalds@...dia.com>
Subject: [PATCH v4 1/1] ARM: dts: aspeed: Add device tree for Nvidia's GB200 UT3.0b platform BMC

The GB200NVL UT3.0b BMC is an Aspeed Ast2600 based BMC
for Nvidia Blackwell GB200NVL platform.
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 <donalds@...dia.com>
---
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
---

Donald Shannon (1):
  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  | 1154 +++++++++++++++++
 3 files changed, 1156 insertions(+)
 create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200-ut30b.dts


base-commit: 460178e842c7a1e48a06df684c66eb5fd630bcf7
-- 
2.43.0