From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 91588C38145 for ; Fri, 2 Sep 2022 16:12:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236957AbiIBQMV (ORCPT ); Fri, 2 Sep 2022 12:12:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33838 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236978AbiIBQLz (ORCPT ); Fri, 2 Sep 2022 12:11:55 -0400 Received: from mail-oa1-f48.google.com (mail-oa1-f48.google.com [209.85.160.48]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 201AC1BEA5; Fri, 2 Sep 2022 09:06:58 -0700 (PDT) Received: by mail-oa1-f48.google.com with SMTP id 586e51a60fabf-11f11d932a8so5828034fac.3; Fri, 02 Sep 2022 09:06:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date; bh=Yww8nSqo/YWqOlhFjUuAmIA0GxHSNv2JljX3oLJvbjc=; b=PlUlLwLJKZlQ7T16gwjGrJCBZXDNDqNaFIjQzzRO9HjsIpaHK8w4gT87hJ5a/oaoft 1JawZVawi211GENhnq8leeGhoAVLpFSg6KhJH+REUaqAjkITaOtTeTc5hEZMyPehfJ4M 0o2n9i4OIbN0XjSq0oyCVVDP9PjcyqcW0rUo5/5aPe2nNlY7/BKF+fY7wOYDM4xL+5kt ocUeSyRuRRg6XMJtoDRZRz85Z1+GJy4FD2eyEu943vfMFomo8yQ88Lox0kLsD7YE1jiF lqgMH7ncLFz5hAyeHG1daR41zXUJFH+gQsHLxUN8ixGN/m6Jjg8fairpp+O0DpZO2D1c 4fAg== X-Gm-Message-State: ACgBeo1hbhYxLxx+YZZNMHNHVXOdvQMhPyaiSCCRWDxgtLSdNFKs3+Ga WY93xi0d335PMhhWAxK5ZZI0F56zSQ== X-Google-Smtp-Source: AA6agR5IWlwQcgO3ctzkIvS04VMiB9a7SRTGcxI9I4Ik/vbqf2xUQToOBCJItnmp8Wid4YGkWvDx5Q== X-Received: by 2002:aca:3056:0:b0:345:64e9:7435 with SMTP id w83-20020aca3056000000b0034564e97435mr2166616oiw.19.1662134817390; Fri, 02 Sep 2022 09:06:57 -0700 (PDT) Received: from robh.at.kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id a7-20020a9d5c87000000b0063736db0ae9sm1203733oti.15.2022.09.02.09.06.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Sep 2022 09:06:56 -0700 (PDT) Received: (nullmailer pid 4168981 invoked by uid 1000); Fri, 02 Sep 2022 16:06:56 -0000 Date: Fri, 2 Sep 2022 11:06:56 -0500 From: Rob Herring To: Vinod Koul , Krzysztof Kozlowski Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] dt-bindings: dma: arm,pl330: Add missing 'iommus' property Message-ID: <20220902160656.GA4168277-robh@kernel.org> References: <20220801210237.1501488-1-robh@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220801210237.1501488-1-robh@kernel.org> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Mon, Aug 01, 2022 at 03:02:37PM -0600, Rob Herring wrote: > The pl330 can be behind an IOMMU which is the case for Arm Juno board. > Add the 'iommus' property allowing for 1 IOMMU entry per channel for > writes and 1 IOMMU entry for reads. > > Signed-off-by: Rob Herring > --- > v2: > - Include IOMMU entry for read channel > --- > Documentation/devicetree/bindings/dma/arm,pl330.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) Ping! > > diff --git a/Documentation/devicetree/bindings/dma/arm,pl330.yaml b/Documentation/devicetree/bindings/dma/arm,pl330.yaml > index 2bec69b308f8..4a3dd6f5309b 100644 > --- a/Documentation/devicetree/bindings/dma/arm,pl330.yaml > +++ b/Documentation/devicetree/bindings/dma/arm,pl330.yaml > @@ -55,6 +55,12 @@ properties: > > dma-coherent: true > > + iommus: > + minItems: 1 > + maxItems: 9 > + description: Up to 1 IOMMU entry per DMA channel for writes and 1 > + IOMMU entry for reads. > + > power-domains: > maxItems: 1 > > -- > 2.34.1 > >