From patchwork Sat Jun 5 02:29:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Irui Wang X-Patchwork-Id: 12301045 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_GIT 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 A6C13C4743C for ; Sat, 5 Jun 2021 02:34:14 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 70412613E9 for ; Sat, 5 Jun 2021 02:34:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 70412613E9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com 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=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=VU3nl40SYuwAf8sDFI0R2ZVrwbGgyOgVmx2Dnvajyz8=; b=Y+VyxoIZ4koQP7 dj8EVNtD8vz1z0lQj/T/9yqAUmhlk5BlWVpIl7sPFHW+bvYEnxKXLj55GUWga09q3Pz4FwkJiQSHl qAfbsPhiRIBNYbVakqBQlNj2mIv0+VffoV/zteBX8mV8AM+YAAGAztdzjP7IGzHPSuYjSyd6K+y02 kkINrZ/bUAZbe1iaBZuSJaTyQTNoUSC4HneCefe5zMISC3/Nt9qB4q1RjRcZ34nyasHwH5KryNZTq d7JjqBDC9eKd+LEjX+8GFR3ajAwfaZabUBAljKU0dzRQV5qfddfJkTqstx4dX03XRxlGVGk9YM+Tm UIpTAanarRChPLgSbECg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lpM4e-00FndR-10; Sat, 05 Jun 2021 02:30:08 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lpM4G-00FnWr-Uj; Sat, 05 Jun 2021 02:29:46 +0000 X-UUID: c222542447254528a6edbf442378e06f-20210604 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=jB6AYnO7UNV0Bm6+MN7/CZgrI8uvCg787w92clyUFBw=; b=KMfm20Xn0se/W3VQxTel7TOVlpipOGXWaHZvra9qS6oJYvAcvXVR5eqS8ik8UO89c1aHQFgt3H9R96rpV5TZM8zmoa+HT//zwEk6FCQpRhwY4mBoMrrirqzzJ/0fqRVWtzW3YR4gpXFEbPEomALoT5Fk/pYx4Sn6FDxo7iJOIfo=; X-UUID: c222542447254528a6edbf442378e06f-20210604 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1236577677; Fri, 04 Jun 2021 19:29:37 -0700 Received: from mtkmbs08n1.mediatek.inc (172.21.101.55) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 4 Jun 2021 19:29:36 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 5 Jun 2021 10:29:28 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 5 Jun 2021 10:29:27 +0800 From: Irui Wang To: Alexandre Courbot , Hans Verkuil , Tzung-Bi Shih , Tiffany Lin , Andrew-CT Chen , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tomasz Figa , Yong Wu CC: Hsin-Yi Wang , Maoguang Meng , Longfei Wang , Yunfei Dong , Fritz Koenig , Irui Wang , , , , , , , Subject: [PATCH v5, 2/6] dt-bindings: media: mtk-vcodec: Add dma-ranges property Date: Sat, 5 Jun 2021 10:29:14 +0800 Message-ID: <20210605022918.4213-3-irui.wang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210605022918.4213-1-irui.wang@mediatek.com> References: <20210605022918.4213-1-irui.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210604_192945_022425_DE96F984 X-CRM114-Status: GOOD ( 12.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The mt8192 iommu support 0~16GB iova. We separate it to four banks: 0~4G; 4G~8G; 8G~12G; 12G~16G. The "dma-ranges" could be used to adjust the bank we locate. If we don't set this property. The default range always is 0~4G. This is optional and only needed in mt8192, the dma ranges should not cross 4G/8G/12G. Here we don't have actual bus/parent concept here. And the iova requirement is for our HW. Thus put the property in our node. Acked-by: Rob Herring Signed-off-by: Irui Wang --- Documentation/devicetree/bindings/media/mediatek-vcodec.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt index 06db6837cefd..5bb9e6e191b7 100644 --- a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt +++ b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt @@ -22,6 +22,7 @@ Required properties: - iommus : should point to the respective IOMMU block with master port as argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml for details. +- dma-ranges : describes the dma address range space that the codec hw access. One of the two following nodes: - mediatek,vpu : the node of the video processor unit, if using VPU. - mediatek,scp : the node of the SCP unit, if using SCP.