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=-8.5 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 29AA0C433DF for ; Fri, 3 Jul 2020 09:05:46 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 01439207FF for ; Fri, 3 Jul 2020 09:05:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 01439207FF 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 localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id B45128974C; Fri, 3 Jul 2020 09:05:45 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yGeLHoafXrCH; Fri, 3 Jul 2020 09:05:44 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id 840B489553; Fri, 3 Jul 2020 09:05:44 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6918DC0888; Fri, 3 Jul 2020 09:05:44 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 3772AC0733 for ; Fri, 3 Jul 2020 09:05:43 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 206E489557 for ; Fri, 3 Jul 2020 09:05:43 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NwwklK8t+PwI for ; Fri, 3 Jul 2020 09:05:42 +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 hemlock.osuosl.org (Postfix) with ESMTP id 5E7E589553 for ; Fri, 3 Jul 2020 09:05:42 +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 CDBA52F; Fri, 3 Jul 2020 02:05:41 -0700 (PDT) Received: from [10.57.21.32] (unknown [10.57.21.32]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EB4763F68F; Fri, 3 Jul 2020 02:05:39 -0700 (PDT) Subject: Re: [PATCH v3 3/4] dt-bindings: arm-smmu: add compatible string for Marvell Armada-AP806 SMMU-500 To: Tomasz Nowicki , will@kernel.org, joro@8bytes.org, gregory.clement@bootlin.com, robh+dt@kernel.org, hannah@marvell.com References: <20200702201633.22693-1-tn@semihalf.com> <20200702201633.22693-4-tn@semihalf.com> From: Robin Murphy Message-ID: <3172ec21-d773-7fcb-f1ee-f557f72f20c5@arm.com> Date: Fri, 3 Jul 2020 10:05:38 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200702201633.22693-4-tn@semihalf.com> Content-Language: en-GB Cc: devicetree@vger.kernel.org, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, nadavh@marvell.com, iommu@lists.linux-foundation.org, mw@semihalf.com, linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 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" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On 2020-07-02 21:16, Tomasz Nowicki wrote: > Add specific compatible string for Marvell usage due to errata of > accessing 64bits registers of ARM SMMU, in AP806. > > AP806 SoC uses the generic ARM-MMU500, and there's no specific > implementation of Marvell, this compatible is used for errata only. > > Signed-off-by: Hanna Hawa > Signed-off-by: Gregory CLEMENT > Signed-off-by: Tomasz Nowicki > --- > Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml > index d7ceb4c34423..7beca9c00b12 100644 > --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml > +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml > @@ -38,6 +38,11 @@ properties: > - qcom,sc7180-smmu-500 > - qcom,sdm845-smmu-500 > - const: arm,mmu-500 > + - description: Marvell SoCs implementing "arm,mmu-500" > + items: > + - enum: > + - marvell,ap806-smmu-500 Isn't a single-valued enum just a constant? :P Robin. > + - const: arm,mmu-500 > - items: > - const: arm,mmu-500 > - const: arm,smmu-v2 > _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu