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=-7.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 DDA66C4363D for ; Fri, 2 Oct 2020 11:11:40 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 80A7520665 for ; Fri, 2 Oct 2020 11:11:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fezDCTkW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 80A7520665 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=E4lKZh0HCrwKHr2npc7WUZFEIo77NVHCbLVrjSFeYUU=; b=fezDCTkWpyZETUL4KQEyXU4vd EWnJcLCB42KNK5T0YyBAosx6boyLTRvtwA1e0K1r0ETDCNtJYo7QfwlycyHX7oqeFvKNm+d+XHW4J T2PR5ZqA00847X5GcRSrYE3E5RKziJOmp1hXAPwhsoIxgdCSoUBvjnpwZzb3+KyTSPPXaOWhxxkV1 V5y3NDfHbTOgZ7BBnrdvMeBie4fbUe1RGr3wnxEWQKXBfCULuVKFnt1fHX4Bj/Fifh0NEDv789Re0 4tR2BMIcaePizzMjWAOjYYrqplF59Igjc0lhNB2cni9+c9Xucpj3NxNs6Q6sp6elr6GNcIzf43mCC RcOikiHww==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kOIxC-0000wv-9P; Fri, 02 Oct 2020 11:10:22 +0000 Received: from mail-ej1-f67.google.com ([209.85.218.67]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kOIx9-0000vj-CW; Fri, 02 Oct 2020 11:10:20 +0000 Received: by mail-ej1-f67.google.com with SMTP id z23so1364977ejr.13; Fri, 02 Oct 2020 04:10:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=wDTKbdGBT6DJY0L4YlF2VzawALLmfAUZKYoHRF2W8hw=; b=NwxUxjP+2HRecjriHpSdyVymNU2ZpT0bE999l/o7JI2EgkoUr5XUbO3qwomukgQYW3 hO1G22dMM9Kdk77H9S12oJAvIq5mhGidvkRkqZVuQkYIVg8X6b+zvWnzxDis2GISKOnu fGJLFc8Edvm/6IEvH8xp8sVNR//JV8uxqf48MJG9MnQDxU2uKLvFNSVvBd/3o31NgUS6 S5VOzXFyofz8irGWr98EHhFZVyGyk7PUuHCw2ul1LfENOfVWjpxMmF3hKdQRtiQpCmpn LFN9cvESYany87+WYqQ5fVoWo4KDAhaBhuUC287Y7r6BX5kUbeTHZ+Lid8RM8fse5hd3 /ilA== X-Gm-Message-State: AOAM532A4LwEUlY2mA9PCE92tk97MaNYtg4YVLnPrGaIdM9tFowQWDl+ 7XeD5G0cNg8iNiqwfPoF0bg= X-Google-Smtp-Source: ABdhPJyr+lz9aljZjSALIJLlmHUZmvPOwMjCcDNc2vDAAzSqnPdX/49XBEEsx1dw9329gDRVFsjj5w== X-Received: by 2002:a17:906:2dd7:: with SMTP id h23mr302773eji.175.1601637018319; Fri, 02 Oct 2020 04:10:18 -0700 (PDT) Received: from pi3 ([194.230.155.194]) by smtp.googlemail.com with ESMTPSA id v25sm906385edr.29.2020.10.02.04.10.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Oct 2020 04:10:17 -0700 (PDT) Date: Fri, 2 Oct 2020 13:10:14 +0200 From: Krzysztof Kozlowski To: Yong Wu Subject: Re: [PATCH v3 06/24] dt-bindings: mediatek: Add binding for mt8192 IOMMU Message-ID: <20201002111014.GE6888@pi3> References: <20200930070647.10188-1-yong.wu@mediatek.com> <20200930070647.10188-7-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200930070647.10188-7-yong.wu@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201002_071019_427621_26596F74 X-CRM114-Status: GOOD ( 18.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, kernel-team@android.com, Nicolas Boichat , srv_heupstream@mediatek.com, chao.hao@mediatek.com, Robin Murphy , Joerg Roedel , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, Rob Herring , linux-mediatek@lists.infradead.org, Matthias Brugger , ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Sep 30, 2020 at 03:06:29PM +0800, Yong Wu wrote: > This patch adds decriptions for mt8192 IOMMU and SMI. > > mt8192 also is MTK IOMMU gen2 which uses ARM Short-Descriptor translation > table format. The M4U-SMI HW diagram is as below: > > EMI > | > M4U > | > ------------ > SMI Common > ------------ > | > +-------+------+------+----------------------+-------+ > | | | | ...... | | > | | | | | | > larb0 larb1 larb2 larb4 ...... larb19 larb20 > disp0 disp1 mdp vdec IPE IPE > > All the connections are HW fixed, SW can NOT adjust it. > > mt8192 M4U support 0~16GB iova range. we preassign different engines > into different iova ranges: > > domain-id module iova-range larbs > 0 disp 0 ~ 4G larb0/1 > 1 vcodec 4G ~ 8G larb4/5/7 > 2 cam/mdp 8G ~ 12G larb2/9/11/13/14/16/17/18/19/20 > 3 CCU0 0x4000_0000 ~ 0x43ff_ffff larb13: port 9/10 > 4 CCU1 0x4400_0000 ~ 0x47ff_ffff larb14: port 4/5 > > The iova range for CCU0/1(camera control unit) is HW requirement. > > Signed-off-by: Yong Wu > Reviewed-by: Rob Herring > --- > .../bindings/iommu/mediatek,iommu.yaml | 9 +- > .../mediatek,smi-common.yaml | 5 +- > .../memory-controllers/mediatek,smi-larb.yaml | 3 +- > include/dt-bindings/memory/mt8192-larb-port.h | 239 ++++++++++++++++++ > 4 files changed, 251 insertions(+), 5 deletions(-) > create mode 100644 include/dt-bindings/memory/mt8192-larb-port.h I see it depends on previous patches but does it have to be within one commit? Is it not bisectable? The memory changes/bindings could go via memory tree if this is split. Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel