linux-kernel - [PATCH v9 0/2] ARM: dts: aspeed: Add Facebook Anacapa platform

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Message-Id: <20251219091632.1598603-1-sjg168@gmail.com>
Date: Fri, 19 Dec 2025 17:16:30 +0800
From: Peter Shen <sjg168@...il.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,
	peter.shen@....com,
	colin.huang2@....com,
	Peter Shen <sjg168@...il.com>
Subject: [PATCH v9 0/2] ARM: dts: aspeed: Add Facebook Anacapa platform

The Meta Anacapa BMC is the DC-SCM (Data Center Secure Control
Module) controller for the Meta OCP Open Rack Wide (ORW) compute tray.
This platform is a key component of the AMD Helios AI rack reference
design system, designed for next-generation AI workloads.

The BMC utilizes the Aspeed AST2600 SoC to manage the compute tray, which
contains up to 4 AMD Instinct MI450 Series GPUs (connected via a Broadcom
OCP NIC) and host CPUs. Its primary role is to provide essential system
control, power sequencing, and telemetry reporting for the compute complex
via the OpenBMC software stack.

For more detail on the AMD Helios reference design:
https://www.amd.com/en/blogs/2025/amd-helios-ai-rack-built-on-metas-2025-ocp-design.html

Changes in v9:
  - Describe platform and hardware architecture (Andrew Jeffery).
  - Remove "Device Tree" from patch subjects (Andrew Jeffery).
  - Reconfigured aliases to be sequential (Andrew Jeffery).
  - Alphabetized all DTS label references (Andrew Jeffery).

Changes in v8:
  - Dropped unused 'pcc_memory' reserved memory (Andrew Jeffery).
  - Grouped 'spi-gpio' properties together (Andrew Jeffery).
  - Moved 'pinctrl_ncsi3_default' to aspeed-g6.dtsi (Andrew Jeffery).
  - Revised 'gpio-line-names' to match schematics (Andrew Jeffery).
  - Improved 'sgpio-line-names' formatting.
  - Removed unused 'led-2' definition.
  - Added ADC128D818 sensor support.

Peter Shen (2):
  dt-bindings: arm: aspeed: Add compatible for Facebook Anacapa BMC
  ARM: dts: aspeed: Add Facebook Anacapa platform

 .../bindings/arm/aspeed/aspeed.yaml           |    1 +
 arch/arm/boot/dts/aspeed/Makefile             |    1 +
 .../aspeed/aspeed-bmc-facebook-anacapa.dts    | 1045 +++++++++++++++++
 3 files changed, 1047 insertions(+)
 create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa.dts

-- 
2.34.1