linux-kernel - [PATCH v2 0/2] Adding device tree and binding for Nvidia mgx cx8 switchboard

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Message-Id: <20250820-mgx4u_devicetree-v2-0-ccd2831b29ac@nvidia.com>
Date: Wed, 20 Aug 2025 18:32:50 -0700
From: Marc Olberding <molberding@...dia.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Joel Stanley <joel@....id.au>, 
 Andrew Jeffery <andrew@...econstruct.com.au>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org, 
 Marc Olberding <molberding@...dia.com>
Subject: [PATCH v2 0/2] Adding device tree and binding for Nvidia mgx cx8
 switchboard

Patch 1 Adds the binding for the Nvidia mgx cx8 switchboard
Patch 2 Adds the dts for the mgx cx8 switchboard motherboard reference implementation.

This is an Aspeed AST2600 based reference implementation for a BMC
managing an Nvidia mgx cx8 switchboard.
 
Reference to Ast2600 SoC [1].

Link: https://www.aspeedtech.com/server_ast2600/ [1]

Signed-off-by: Marc Olberding <molberding@...dia.com>
---
Changes in v2:
- Made all node names generic [Krzysztof]
- Rebased the series ontop of 6.17-rc1 [Rob]
- Merged contents of the cx8 switchboard dtsi's into the main dts and dropped the dtsi [Krzysztof]
- Fixed license on dts to be gpl2 [Krzysztof]
- Changed phy-mode property to be rgmii-id to correctly reflect that delay compensation happens on the PHY [Andrew]
- Changed chosen node to use stdout instead of bootargs [Krzysztof]
- Link to v1: https://lore.kernel.org/r/20250815-mgx4u_devicetree-v1-0-66db6fa5a7e4@nvidia.com

---
Marc Olberding (2):
      dt-bindings: arm: aspeed: Add Nvidia's mgx4u BMC
      ARM: dts: aspeed: Add device tree for mgx4u BMC

 .../devicetree/bindings/arm/aspeed/aspeed.yaml     |    1 +
 arch/arm/boot/dts/aspeed/Makefile                  |    1 +
 .../boot/dts/aspeed/aspeed-bmc-nvidia-mgx4u.dts    | 1452 ++++++++++++++++++++
 3 files changed, 1454 insertions(+)
---
base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585
change-id: 20250813-mgx4u_devicetree-c2e130607089

Best regards,
-- 
Marc Olberding <molberding@...dia.com>