From patchwork Mon Mar 13 14:15:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: M'boumba Cedric Madianga X-Patchwork-Id: 9621011 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B2B3760414 for ; Mon, 13 Mar 2017 14:18:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A389D267EC for ; Mon, 13 Mar 2017 14:18:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 95498284F3; Mon, 13 Mar 2017 14:18:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.3 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 19FD0267EC for ; Mon, 13 Mar 2017 14:18:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753312AbdCMORM (ORCPT ); Mon, 13 Mar 2017 10:17:12 -0400 Received: from mail-wr0-f195.google.com ([209.85.128.195]:36207 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752831AbdCMOQX (ORCPT ); Mon, 13 Mar 2017 10:16:23 -0400 Received: by mail-wr0-f195.google.com with SMTP id l37so20195759wrc.3; Mon, 13 Mar 2017 07:16:21 -0700 (PDT) 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; bh=L2ugckP0SOgqj/6SS/hzSKPYnaoQmc6ajRY4a8bwW4c=; b=fliCY01NiIeag/48nD0kg0cABPuvsbwEW/Hs3ilZP1Z9mIjBLU5n24qqNMz4Y9fA5H MxpdAyV3cgdsA2KqkNr3PNWXYqIEYQL8bF6JHvJA3uovQmGl0B9bgUxQ+pLuaJ0l1aRO COHaNQtJ4OHfHfbKSvqgOmqHLRjxOA/yVnDyMG1cuOs78xECcJHnSqUovLPsbT4TpmW4 nhav33ZLv0JHZQ5vf27x2KlHcf36lCmQFqyeLEke3jFG+7maR91s1SBsOEmc8z0E4VFe R4LrjaltA9+8HPJMFfJedsP2Z7sAOqAia+PyYrH1h7Ik3Q9U6AnxV72bM3dhrNhqR3e0 5ung== 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; bh=L2ugckP0SOgqj/6SS/hzSKPYnaoQmc6ajRY4a8bwW4c=; b=HxNJUWoL9VLgshd9H9ufAv7n8aoQGyRfavI5S/OtBRwwaBX3Yp1osGLEyzlmgkUByN WmoXYzq7iWOTLu35kMeNrlVxdxsTmTtFOY5VS8lSf1mR1k5ykYdgJ1+pSYwvFlHfJbIQ eCBXmZAFKHWvB5mzryF7NGLL+Fze5rYBl0TSve05yGvHJexfzKp9IkVwJm9ytEBAQrAU yOg0wOEAV/ORDtRTqFtzEpy338XpI7S0cnKLu0VfvUbkJCUy/vqdBg0B+QLD2zEB7Rcf u5CocheiUtdFi04676Y4h4GaI2fWoYv2SrGfNcj+54AbqZGgwo/zkK4tI3DDgN//VnL7 aFjg== X-Gm-Message-State: AMke39kLGxbcL+m6MWxZG8+8fY0tPWCTKITY0QskEvtmCMcoRbPyvOnvt/62ld2mMx5HPw== X-Received: by 10.223.147.66 with SMTP id 60mr28335348wro.173.1489414581200; Mon, 13 Mar 2017 07:16:21 -0700 (PDT) Received: from lmenx29w.st.com. ([37.171.147.92]) by smtp.gmail.com with ESMTPSA id t103sm25283741wrc.43.2017.03.13.07.16.19 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 13 Mar 2017 07:16:20 -0700 (PDT) From: M'boumba Cedric Madianga To: vinod.koul@intel.com, robh+dt@kernel.org, mark.rutland@arm.com, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, dan.j.williams@intel.com, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: M'boumba Cedric Madianga Subject: [PATCH 3/5] dt-bindings: stm32-dma: Add property to handle STM32 DMAMUX Date: Mon, 13 Mar 2017 15:15:59 +0100 Message-Id: <1489414561-28912-4-git-send-email-cedric.madianga@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1489414561-28912-1-git-send-email-cedric.madianga@gmail.com> References: <1489414561-28912-1-git-send-email-cedric.madianga@gmail.com> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds an optional property needed for STM32 DMA controller addressed via STM32 DMAMUX. Signed-off-by: M'boumba Cedric Madianga --- Documentation/devicetree/bindings/dma/stm32-dma.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/stm32-dma.txt b/Documentation/devicetree/bindings/dma/stm32-dma.txt index 4408af6..7b5e91a 100644 --- a/Documentation/devicetree/bindings/dma/stm32-dma.txt +++ b/Documentation/devicetree/bindings/dma/stm32-dma.txt @@ -16,6 +16,9 @@ Optional properties: - resets: Reference to a reset controller asserting the DMA controller - st,mem2mem: boolean; if defined, it indicates that the controller supports memory-to-memory transfer +- st,dmamux: boolean; if defined, it indicates that the controller is behind a + DMA multiplexer. In that case, using dma instances doesn't work for DMA + clients. They have to use dma-router instances. Example: