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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 6F07EC433DB for ; Thu, 21 Jan 2021 11:25:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 18EA5238E1 for ; Thu, 21 Jan 2021 11:25:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726849AbhAULZ0 (ORCPT ); Thu, 21 Jan 2021 06:25:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729214AbhAULYm (ORCPT ); Thu, 21 Jan 2021 06:24:42 -0500 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BED2C0613D3; Thu, 21 Jan 2021 03:24:02 -0800 (PST) Received: by mail-pl1-x62d.google.com with SMTP id g3so1132341plp.2; Thu, 21 Jan 2021 03:24:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=lslmnlQrtpTIRDu3hWAi8sXwnSjS9donHChZd58khQg=; b=UXQlAdc3hwbMzWm7xePYi4qK9KThp0aPF+Fo8eaQ1m454i2Id/Fg4/2lnzVZNTBgSE FZWOCaKhIZ/w/ivuLaSJ2B1OBAtTUEy9gkaKWYiRQ631x4j4pJWFj7xbmWPflAoho9nx 5TqVyroutmHFUHB3pls8vsLs3fXIoJ2ZtRZAJaKus50gRaXz5TP52PHIYHudHBo2KmHG d+wMkNBWjxiMYQD5ck/jol9G1dyhM3Ai4rZa8pdVwNDxsrUkX7iVLPJzc/Hd+9sbPMgD NRqXfPjni1Qj/64G4G1gha7qiLB0sgr0aWfZF2C/TG2c5iOX0QsU488ufpKl/6YGiDHA 2ayQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=lslmnlQrtpTIRDu3hWAi8sXwnSjS9donHChZd58khQg=; b=RvhidB7FxsCjnltIexnNR1wTtSJCrp4hQXN7x4M7rXE1rbQgjtAmJqqxcxavFdkX6v ksL+OPz/gwhpjglFzfFTn2CEDbsVdb+Io9eSxCVhRvCkGL+SJYi2G7Rpx4oHOcZHwaXV SJdC5mBa6Xnv2toWPt/+N3+StJxpsi4b2myc/PY/N5ktdx5tJWe79HZwOo3WvSLR/E70 UIEHNyhYyXPw/TMOI0j/T66NUURsXWoecCRWxN6dzZY/9Su6axY/+uYodnpy1hPSgWca 4oKWHVvRlPtoDwdpx94F2ngzb2dJP4I65Om7xN1a1Mkj7qubsXcsQ3lsdKfnMI14+xQb Vv9Q== X-Gm-Message-State: AOAM530/A6XmWVT8B1ziuQrjW54XcyXuXwqBVQhrV8Vl7kQ8VGoTf5Bp jfhBCt1LrUQQWOTcAgacig6Apo1Y3dFH4Hgp X-Google-Smtp-Source: ABdhPJxR2pyo41CIdOAqik7/AVjtgJxP91xCIN/od+oVRsP+mpgZY+ChDoR6zqNG4YsSW2ZmSO108w== X-Received: by 2002:a17:902:e5cc:b029:df:bc77:3aba with SMTP id u12-20020a170902e5ccb02900dfbc773abamr9115606plf.72.1611228241858; Thu, 21 Jan 2021 03:24:01 -0800 (PST) Received: from ubt.spreadtrum.com ([117.18.48.82]) by smtp.gmail.com with ESMTPSA id me5sm5404797pjb.19.2021.01.21.03.23.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Jan 2021 03:24:01 -0800 (PST) From: Chunyan Zhang To: Joerg Roedel , Rob Herring , Robin Murphy Cc: iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, Baolin Wang , linux-kernel@vger.kernel.org, Orson Zhai , Chunyan Zhang , Sheng Xu , Kevin Tang , Chunyan Zhang Subject: [PATCH v1 1/2] dt-bindings: iommu: add bindings for sprd iommu Date: Thu, 21 Jan 2021 19:23:48 +0800 Message-Id: <20210121112349.421464-2-zhang.lyra@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210121112349.421464-1-zhang.lyra@gmail.com> References: <20210121112349.421464-1-zhang.lyra@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Chunyan Zhang This patch adds bindings to support display and Image codec(jpeg) iommu instance. The iommu support for others would be added once finished tests with those devices, such as a few signal processors, including VSP(video), GSP(graphic), ISP(image), and camera CPP, etc. Signed-off-by: Chunyan Zhang --- .../devicetree/bindings/iommu/sprd,iommu.yaml | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/sprd,iommu.yaml diff --git a/Documentation/devicetree/bindings/iommu/sprd,iommu.yaml b/Documentation/devicetree/bindings/iommu/sprd,iommu.yaml new file mode 100644 index 000000000000..4b912857c112 --- /dev/null +++ b/Documentation/devicetree/bindings/iommu/sprd,iommu.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2020 Unisoc Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iommu/sprd,iommu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Unisoc IOMMU and Multi-media MMU + +maintainers: + - Chunyan Zhang + +properties: + compatible: + enum: + - sprd,iommu-v1-disp + - sprd,iommu-v1-jpg + + reg: + maxItems: 1 + + "#iommu-cells": + const: 0 + description: + Unisoc IOMMUs are all single-master IOMMU devices, therefore no + additional information needs to associate with its master device. + Please refer to the generic bindings document for more details, + Documentation/devicetree/bindings/iommu/iommu.txt + +required: + - compatible + - reg + - "#iommu-cells" + +additionalProperties: false + +examples: + - | + iommu_disp: iommu@63000000 { + compatible = "sprd,iommu-v1-disp"; + reg = <0x63000000 0x880>; + #iommu-cells = <0>; + }; + +... -- 2.25.1