linux-kernel - [PATCH 0/2] Add device tree for Asrock Paul IPMI Card

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Message-Id: <20260125-asrock-paul-v1-0-956085a4bd06@gmail.com>
Date: Sun, 25 Jan 2026 15:00:37 -0600
From: Anirudh Srinivasan <anirudhsriniv@...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, 
 Zev Weiss <zev@...ilderbeest.net>, Renze Nicolai <renze@...lus.nl>, 
 Anirudh Srinivasan <anirudhsriniv@...il.com>
Subject: [PATCH 0/2] Add device tree for Asrock Paul IPMI Card

Adds support for Asrock Paul IPMI Card [1], which is an AST2500 based
PCIe card that provides BMC functionality. The supported functionality
is similar to the Asus Kommando IPMI Card, support for which was sent
previously [2].

Supported functionality includes UART, Booting from Primary SPI,
Networking, KVM functionality (USB Gadget and Video Engine), LEDs and
GPIO Power control. Complete BMC functionality has been tested on an
OpenBMC build available here [3], relying on this kernel branch [4].

For some reason, the Video Engine isn't always
stable when the host PC's video output goes black/changes
resolution, resulting in a hang and a subsequent reset of the Aspeed.
Applying this patch [5] from the Aspeed vendor kernel seems to fix this
issue. This doesn't require any changes to the device tree for this
device though, so I think it shouldn't affect this patch series.

[1] https://www.asrockrack.com/general/productdetail.asp?Model=PAUL
[2] https://lore.kernel.org/linux-aspeed/20260114-asus-ipmi-expansion-card-v2-0-12b72d20a9b9@gmail.com/
[3] https://github.com/Genius1237/openbmc/commits/asrock-paul-ipmi-card/
[4] https://github.com/openbmc/linux/compare/dev-6.18...Genius1237:linux:asrock-paul-ipmi-card-6.18 
[5] https://lore.kernel.org/linux-aspeed/20251124-video_dram_reset-v1-1-9d37229e4ec5@aspeedtech.com/

Signed-off-by: Anirudh Srinivasan <anirudhsriniv@...il.com>
---
Anirudh Srinivasan (2):
      dt-bindings: arm: aspeed: Add Asrock Paul IPMI card
      ARM: dts: aspeed: Add Asrock Paul IPMI card

 .../devicetree/bindings/arm/aspeed/aspeed.yaml     |   1 +
 arch/arm/boot/dts/aspeed/Makefile                  |   1 +
 .../aspeed/aspeed-bmc-asrock-paul-ipmi-card.dts    | 131 +++++++++++++++++++++
 3 files changed, 133 insertions(+)
---
base-commit: 9448598b22c50c8a5bb77a9103e2d49f134c9578
change-id: 20260125-asrock-paul-5d0d4b15c8bc

Best regards,
-- 
Anirudh Srinivasan <anirudhsriniv@...il.com>