linux-kernel - [PATCH v3 0/3] Add dma-coherent property

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Message-ID: <cover.1764143105.git.khairul.anuar.romli@altera.com>
Date: Wed, 26 Nov 2025 16:06:21 +0800
From: Khairul Anuar Romli <khairul.anuar.romli@...era.com>
To: Dinh Nguyen <dinguyen@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
	Vinod Koul <vkoul@...nel.org>,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	Niravkumar L Rabara <niravkumar.l.rabara@...el.com>,
	dmaengine@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mtd@...ts.infradead.org,
	Khairul Anuar Romli <khairul.anuar.romli@...era.com>
Subject: [PATCH v3 0/3] Add dma-coherent property

This patch series adds dma-coherent property for the Agilex5 platform by:

- Updating the device tree bindings for:
  - Cadence HP NAND controller (`cdns,hp-nfc`)
  - Synopsys DesignWare AXI DMA controller (`snps,dw-axi-dmac`)
  to accept the `dma-coherent` property.

- Adding the dma-coherent property to the Agilex5 device tree and wiring up
  the property to the supported peripherals:
  - NAND controller
  - DMA controller

This dma-coherent addition aligns the Agilex5 platform with ARM’s
architectural requirements for coherent interconnects.

---
Notes:
This patch series is applied and validated on socfpga dts maintainer's
branch
https://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git/log/?h=socfpga_dts_for_v6.19

This changes is validated on:
	- intel/socfpga_agilex5_socdk.dtb
	- snps,dw-axi-dmac.yaml
	- snps,dw-axi-dmac.yaml intel/socfpga_agilex5_socdk.dtb 
	- cdns,hp-nfc.yaml 
	- cdns,hp-nfc.yaml intel/socfpga_agilex5_socdk.dtb 
---
Khairul Anuar Romli (3):
  dt-bindings: mtd: cdns,hp-nfc: Add dma-coherent property
  dt-bindings: dma: snps,dw-axi-dmac: add dma-coherent property
  arm64: dts: socfpga: agilex5: Add dma-coherent property

 Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml | 2 ++
 Documentation/devicetree/bindings/mtd/cdns,hp-nfc.yaml      | 2 ++
 arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi              | 3 +++
 3 files changed, 7 insertions(+)

-- 
2.43.7