linux-kernel - Re: [PATCH v2 2/2] arm64: dts: agilex5: add fpga-region and fpga-mgr nodes

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Message-ID: <aRVyvjCny/I/rElC@yilunxu-OptiPlex-7050>
Date: Thu, 13 Nov 2025 13:55:10 +0800
From: Xu Yilun <yilun.xu@...ux.intel.com>
To: Khairul Anuar Romli <khairul.anuar.romli@...era.com>
Cc: Moritz Fischer <mdf@...nel.org>, Xu Yilun <yilun.xu@...el.com>,
	Tom Rix <trix@...hat.com>, Dinh Nguyen <dinguyen@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Mahesh Rao <mahesh.rao@...era.com>,
	Ho Yin <adrian.ho.yin.ng@...era.com>,
	Niravkumar L Rabara <nirav.rabara@...era.com>,
	linux-fpga@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH v2 2/2] arm64: dts: agilex5: add fpga-region and fpga-mgr
 nodes

On Thu, Nov 13, 2025 at 12:43:56PM +0800, Khairul Anuar Romli wrote:
> The Intel Agilex 5 SoC contains a programmable FPGA region that requires
> proper device tree description to enable FPGA manager support in the Linux
> kernel. Without the 'fpga-region' and 'fpga-mgr' nodes, the kernel cannot
> detect or manage the FPGA hardware correctly.
> 
> This patch adds a 'fpga-region' node with compatible = "fpga-region", along
> with appropriate #address-cells and #size-cells properties, to describe the
> FPGA region layout.
> 
> Also defines specific compatible string for Agilex5 and add Agilex string
> as fallback for stratix10-soc driver initialization.
> 
> Signed-off-by: Khairul Anuar Romli <khairul.anuar.romli@...era.com>

Reviewed-by: Xu Yilun <yilun.xu@...el.com>