From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0FAC83BB67F; Thu, 24 Sep 2026 21:56:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790286990; cv=none; b=TF1J585sCgEA8aWS8/0lmv5bNsSoxpwwfudJH44Kc/h2O2f8UZ12/H6DueI/JZOwRSWwQCon5WwC45Zz/tvqQRNX/5PsyS2A+z1qD8buTKTZJQ9Xo40RkthX92/FEluPwTxI4Mi1KkWKZgr2R1RnRqkJuU2Jj6DaRu2lIIahkeg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790286990; c=relaxed/simple; bh=1RZnBjypoREpGUu72DCZQsuhWuVJ5JcCBQ73hP7vKJc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MhebMVffQJYhRQg041q6AIn4Auc5Tw/3Jv/2yOrXjgIs7YLF/FQcy6/wUjdIfHb9fJsM8GpRAeHItq8CpRYDb8QryuuQWhZB0DsKVfTaez9fCoq2XttMKo2y7mYBY59QXLgvLjeWDrQc+6jrdBRsC0HH3HxqCfl3B5RIyCm9veE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ekf1ETPz; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Ekf1ETPz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F1651F000FF; Thu, 24 Sep 2026 21:56:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790286988; bh=DDHfA+QcxCkvAgQ5b9vmBtJHxJq+eo10zKzReXgxSfc=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=Ekf1ETPzJmjibOBiAc/gHiPDzRpCd98762RXz6NQfVc2Uz7dj4WghXgcnyJkIGC9h 5x//eRgLTPXJik0he+9/JGvhhtcYfZM1OQITTUurnOPylN6zvL8guCtrhA284smebl pxW7fQD9Ki3AXwukC2qVCvNMjHT+pVU0UanxPbECGHTEsHaTIvwdMl9thmueNH9GuH tJ8sMKWLxnnQSctyqOk/AEjPNXZcdOix1MLfuYv9sMr/hUXu5IMIfAmfQlBD14pimM TYv27whYEk/5YR6YqSNZD2OX3xoLoYEaYimSapBQpIQz18uV6cPApWNokio6PLebD4 RxmNKAgKhVunA== Date: Thu, 24 Sep 2026 16:56:26 -0500 From: "Rob Herring (Arm)" To: "Peng Fan (OSS)" Cc: Frank Li , linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Conor Dooley , imx@lists.linux.dev, devicetree@vger.kernel.org, Peng Fan , dmaengine@vger.kernel.org, Vinod Koul , Frank Li Subject: Re: [PATCH 1/2] dt-bindings: dma: fsl,edma: add iommu-map property Message-ID: <179028698602.1895482.8450136905176032994.robh@kernel.org> References: <20260916-edma-iommu-v1-0-e1731968081e@nxp.com> <20260916-edma-iommu-v1-1-e1731968081e@nxp.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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 > > 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 > --- > .../devicetree/bindings/dma/fsl,edma.yaml | 89 ++++++++++++++++++++++ > 1 file changed, 89 insertions(+) > Reviewed-by: Rob Herring (Arm)