From: "Rob Herring (Arm)" <robh@kernel.org>
To: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
Cc: Frank Li <Frank.Li@nxp.com>, Vinod Koul <vkoul@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Joy Zou <joy.zou@nxp.com>, Sascha Hauer <s.hauer@pengutronix.de>,
Peng Fan <peng.fan@nxp.com>,
imx@lists.linux.dev, Conor Dooley <conor+dt@kernel.org>,
devicetree@vger.kernel.org, Frank Li <Frank.Li@kernel.org>,
linux-kernel@vger.kernel.org, Fabio Estevam <festevam@gmail.com>,
dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Pengutronix Kernel Team <kernel@pengutronix.de>
Subject: Re: [PATCH v2 1/3] dt-bindings: dma: fsl,edma: add per-channel child node support
Date: Tue, 27 Oct 2026 15:39:46 -0500 [thread overview]
Message-ID: <179313358476.887731.14779042723433167551.robh@kernel.org> (raw)
In-Reply-To: <20260930-edma-iommu-v2-1-72a62bf44c74@nxp.com>
On Wed, 30 Sep 2026 14:26:09 +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@nxp.com>
>
> Add support for optional per-channel child nodes (dma-channel@<addr>)
> to the fsl,edma binding. Each child node can carry its own reg,
> interrupts, iommus, and power-domains properties, describing a real
> per-channel MMIO region.
>
> Enables per-channel IOMMU stream ID assignment via the standard
> iommus property on each child.
>
> The interrupts property is removed from the required list since
> channels with child nodes carry their own interrupts. Existing DTS
> without child nodes remains valid.
>
> Assisted-by: LLM
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
> .../devicetree/bindings/dma/fsl,edma.yaml | 70 +++++++++++++++++++++-
> 1 file changed, 69 insertions(+), 1 deletion(-)
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2026-10-27 20:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-30 6:26 [PATCH v2 0/3] dmaengine: fsl-edma: per-channel IOMMU support via DT child nodes Peng Fan (OSS)
2026-09-30 6:26 ` [PATCH v2 1/3] dt-bindings: dma: fsl,edma: add per-channel child node support Peng Fan (OSS)
2026-09-30 16:00 ` Frank Li
2026-10-27 20:39 ` Rob Herring (Arm) [this message]
2026-09-30 6:26 ` [PATCH v2 2/3] dmaengine: fsl-edma: support per-channel DT child nodes Peng Fan (OSS)
2026-09-30 6:26 ` [PATCH v2 3/3] arm64: dts: imx95: convert eDMA to per-channel " Peng Fan (OSS)
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=179313358476.887731.14779042723433167551.robh@kernel.org \
--to=robh@kernel.org \
--cc=Frank.Li@kernel.org \
--cc=Frank.Li@nxp.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=dmaengine@vger.kernel.org \
--cc=festevam@gmail.com \
--cc=imx@lists.linux.dev \
--cc=joy.zou@nxp.com \
--cc=kernel@pengutronix.de \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=peng.fan@nxp.com \
--cc=peng.fan@oss.nxp.com \
--cc=s.hauer@pengutronix.de \
--cc=vkoul@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®