linux-kernel - [PATCH v6 1/2] dt-bindings: arm: aspeed: Add NVIDIA GB200-UT3.0b board

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Message-ID: <20250723014239.22667-2-donalds@nvidia.com>
Date: Tue, 22 Jul 2025 18:42:38 -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>, "Donald
 Shannon" <donalds@...dia.com>, Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH v6 1/2] dt-bindings: arm: aspeed: Add NVIDIA GB200-UT3.0b  board

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 <donalds@...dia.com>
Acked-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml b/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
index 456dbf7b5ec8..624581db2330 100644
--- a/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
+++ b/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
@@ -99,6 +99,7 @@ properties:
               - inventec,starscream-bmc
               - inventec,transformer-bmc
               - jabil,rbp-bmc
+              - nvidia,gb200-ut30b
               - nvidia,gb200nvl-bmc
               - qcom,dc-scm-v1-bmc
               - quanta,s6q-bmc
-- 
2.43.0