From: "Rob Herring (Arm)" <robh@kernel.org>
To: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
Cc: Frank Li <Frank.Li@kernel.org>,
linux-kernel@vger.kernel.org,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
imx@lists.linux.dev, devicetree@vger.kernel.org,
Peng Fan <peng.fan@nxp.com>,
dmaengine@vger.kernel.org, Vinod Koul <vkoul@kernel.org>,
Frank Li <Frank.Li@nxp.com>
Subject: Re: [PATCH 1/2] dt-bindings: dma: fsl,edma: add iommu-map property
Date: Thu, 24 Sep 2026 16:56:26 -0500 [thread overview]
Message-ID: <179028698602.1895482.8450136905176032994.robh@kernel.org> (raw)
In-Reply-To: <20260916-edma-iommu-v1-1-e1731968081e@nxp.com>
On Wed, 16 Sep 2026 23:55:25 +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@nxp.com>
>
> Add the iommu-map property to the fsl,edma binding to allow per-channel
> IOMMU stream ID mapping. This enables IOMMU translation for individual
> eDMA channels, where paired channels can share the same stream ID and
> channels without an entry operate in bypass mode.
>
> Also add a new example using fsl,imx95-edma5 that demonstrates the
> iommu-map usage with per-channel mappings.
>
> Assisted-by: Claude:claude-opus-4-6
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
> .../devicetree/bindings/dma/fsl,edma.yaml | 89 ++++++++++++++++++++++
> 1 file changed, 89 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2026-09-24 21:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-16 15:55 [PATCH 0/2] dmaengine: fsl-edma: add per-channel IOMMU support Peng Fan (OSS)
2026-09-16 15:55 ` [PATCH 1/2] dt-bindings: dma: fsl,edma: add iommu-map property Peng Fan (OSS)
2026-09-16 16:46 ` Frank Li
2026-09-24 21:56 ` Rob Herring (Arm) [this message]
2026-09-25 1:43 ` Peng Fan
2026-09-16 15:55 ` [PATCH 2/2] dmaengine: fsl-edma: add per-channel IOMMU support via iommu-map Peng Fan (OSS)
2026-09-16 18:23 ` Frank Li
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