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 X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58A55C3A59B for ; Fri, 30 Aug 2019 15:14:27 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 22BE923405 for ; Fri, 30 Aug 2019 15:14:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 22BE923405 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 837D45C79; Fri, 30 Aug 2019 15:14:25 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 8CEE95C78 for ; Fri, 30 Aug 2019 15:13:21 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 131098A6 for ; Fri, 30 Aug 2019 15:13:21 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B1092344; Fri, 30 Aug 2019 08:13:20 -0700 (PDT) Received: from [10.1.197.57] (e110467-lin.cambridge.arm.com [10.1.197.57]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9F0323F703; Fri, 30 Aug 2019 08:13:17 -0700 (PDT) Subject: Re: [PATCH 2/7] dt-bindings: arm-smmu: Add binding for nvidia, smmu-v2 To: Krishna Reddy References: <1567118827-26358-1-git-send-email-vdumpa@nvidia.com> <1567118827-26358-3-git-send-email-vdumpa@nvidia.com> From: Robin Murphy Message-ID: <37034b76-7e3f-5f3c-25b2-696e25127682@arm.com> Date: Fri, 30 Aug 2019 16:13:16 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <1567118827-26358-3-git-send-email-vdumpa@nvidia.com> Content-Language: en-GB Cc: talho@nvidia.com, treding@nvidia.com, mperttunen@nvidia.com, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, praithatha@nvidia.com, thomasz@nvidia.com, snikam@nvidia.com, linux-tegra@vger.kernel.org, yhsu@nvidia.com, jtukkinen@nvidia.com, avanbrunt@nvidia.com, linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org On 29/08/2019 23:47, Krishna Reddy wrote: > Add binding doc for Nvidia's smmu-v2 implementation. > > Signed-off-by: Krishna Reddy > --- > Documentation/devicetree/bindings/iommu/arm,smmu.txt | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt > index 3133f3b..0de3759 100644 > --- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt > +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt > @@ -17,6 +17,7 @@ conditions. > "arm,mmu-401" > "arm,mmu-500" > "cavium,smmu-v2" > + "nidia,smmu-v2" > "qcom,smmu-v2" I agree with Mikko that the compatible must be at least SoC-specific, but potentially even instance-specific (e.g. "nvidia,tegra194-gpu-smmu") depending on how many of these parallel-SMMU configurations might be hiding in current and future SoCs. Robin. > > depending on the particular implementation and/or the > _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu