From patchwork Thu Jul 28 18:55:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rob Herring (Arm)" X-Patchwork-Id: 12931668 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 29358C04A68 for ; Thu, 28 Jul 2022 18:55:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229784AbiG1Szg (ORCPT ); Thu, 28 Jul 2022 14:55:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50482 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229456AbiG1Szf (ORCPT ); Thu, 28 Jul 2022 14:55:35 -0400 Received: from mail-il1-f175.google.com (mail-il1-f175.google.com [209.85.166.175]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9B816205F4; Thu, 28 Jul 2022 11:55:33 -0700 (PDT) Received: by mail-il1-f175.google.com with SMTP id w16so1399866ilh.0; Thu, 28 Jul 2022 11:55:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc; bh=ygDDZAK0kTm4OImfggTWOYy2/qhBCyhklb1w0zcbi+A=; b=LpUDLKY6jJ+yHbz0aFvKI15low+3tBoqfmpzZ4IWrNOBHxaykVvkU71bRS2zqBVlbE Z032GZup287uSR5NDUrZiHC/2QqFZ8n6aXQY7O3iPfrj1aWnu8PqZFW6vCA2ESD6J6FX kCG3OLc3De33kv6CkZLeJPDmugV7QIEbX6ehNuY/3TTLYhJuJvaVf8MJ4dIAHA6NEAUC 2pM2bi7/gxXlwyNPHBAPPanytQiRqgD8CKvXQRU/Y4TydM/Ru10ma6S2VjHwtgCebh7u wjtq+trrqy+1pyO2v8EgC+mom9KnJGZHFVnKeCu1YfaDa1i0f1XRtZG7/JSSZwJytKCx VGqw== X-Gm-Message-State: AJIora9YHENjtHNl+PFSx4NpiMVzgCaulG1xaSCynhvn+nBXG7WXwtQ4 VXf4sWCdyOIkBGYXkyN+4Q== X-Google-Smtp-Source: AGRyM1uOV94o6o/LRv0RKpi+rsYtCnrOr5PU5H4FUNef114yiY6UBYAXaWwsZY+vQPqxo1yziudhzg== X-Received: by 2002:a92:3603:0:b0:2dd:f09d:81f1 with SMTP id d3-20020a923603000000b002ddf09d81f1mr25163ila.246.1659034532806; Thu, 28 Jul 2022 11:55:32 -0700 (PDT) Received: from xps15.herring.priv ([64.188.179.248]) by smtp.googlemail.com with ESMTPSA id ay6-20020a5d9d86000000b0067bf99ea25bsm641820iob.44.2022.07.28.11.55.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Jul 2022 11:55:32 -0700 (PDT) From: Rob Herring To: Vinod Koul , Krzysztof Kozlowski Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] dt-bindings: dma: arm,pl330: Add missing 'iommus' property Date: Thu, 28 Jul 2022 12:55:11 -0600 Message-Id: <20220728185512.1270964-1-robh@kernel.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org The pl330 can be behind an IOMMU which is the case for Arm Juno board. Add the 'iommus' property allowing for 1 IOMMU per channel. Signed-off-by: Rob Herring --- Documentation/devicetree/bindings/dma/arm,pl330.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/arm,pl330.yaml b/Documentation/devicetree/bindings/dma/arm,pl330.yaml index 2bec69b308f8..b9c4bee178ae 100644 --- a/Documentation/devicetree/bindings/dma/arm,pl330.yaml +++ b/Documentation/devicetree/bindings/dma/arm,pl330.yaml @@ -55,6 +55,11 @@ properties: dma-coherent: true + iommus: + minItems: 1 + maxItems: 8 + description: Up to 1 IOMMU per DMA channel + power-domains: maxItems: 1