[PATCH v2 0/2] Add device tree for Nvidia BMC msx4 cx8 switchboard

Marc Olberding
2025-11-07T22:45:46Z

Patch 1 Adds the binding for the msx4 cx8 switchboard
Patch 2 Adds the device tree for the msx4 cx8 switchboard reference implementation.

This is an Aspeed AST2600 based reference implementation for a BMC
managing the nvidia mgx cx8 switchboard.

Reference to Ast2600 Soc [1].

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

Signed-off-by: Marc Olberding <molberding@nvidia.com>
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Changes in v2:
- Added ack by Conor Dooley on patch 1
- Changed phy-mode attribute after discussion with Andrew Jeffery and feedback from Andrew Lunn
and added a comment with a better explanation
- Link to v1: https://lore.kernel.org/r/20250918-msx1_devicetree-v1-1-18dc07e02118@nvidia.com

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Marc Olberding (2):
dt-bindings: arm: aspeed: Add Nvidia msx4 board
dts: aspeed: Add a dts for the nvidia msx4 hpm

.../devicetree/bindings/arm/aspeed/aspeed.yaml | 1 +
arch/arm/boot/dts/aspeed/Makefile | 1 +
.../boot/dts/aspeed/aspeed-bmc-nvidia-msx4-bmc.dts | 254 +++++++++++++++++++++
3 files changed, 256 insertions(+)
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base-commit: 38a2c275c3d3f7d7180d012386cd6fcf87854400
change-id: 20250908-msx1_devicetree-7af2c1fc15d0

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