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{ "id": 810991, "url": "http://patchwork.ozlabs.org/api/covers/810991/?format=api", "web_url": "http://patchwork.ozlabs.org/project/devicetree-bindings/cover/1504785168-26572-1-git-send-email-pierre-yves.mordret@st.com/", "project": { "id": 37, "url": "http://patchwork.ozlabs.org/api/projects/37/?format=api", "name": "Devicetree Bindings", "link_name": "devicetree-bindings", "list_id": "devicetree.vger.kernel.org", "list_email": "devicetree@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1504785168-26572-1-git-send-email-pierre-yves.mordret@st.com>", "list_archive_url": null, "date": "2017-09-07T11:52:44", "name": "[v4,0/4] Add STM32 DMAMUX support", "submitter": { "id": 71499, "url": "http://patchwork.ozlabs.org/api/people/71499/?format=api", "name": "Pierre Yves MORDRET", "email": "pierre-yves.mordret@st.com" }, "mbox": "http://patchwork.ozlabs.org/project/devicetree-bindings/cover/1504785168-26572-1-git-send-email-pierre-yves.mordret@st.com/mbox/", "series": [ { "id": 1988, "url": "http://patchwork.ozlabs.org/api/series/1988/?format=api", "web_url": "http://patchwork.ozlabs.org/project/devicetree-bindings/list/?series=1988", "date": "2017-09-07T11:52:47", "name": "Add STM32 DMAMUX support", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/1988/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/810991/comments/", "headers": { "Return-Path": "<devicetree-owner@vger.kernel.org>", "X-Original-To": "incoming-dt@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming-dt@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=devicetree-owner@vger.kernel.org; receiver=<UNKNOWN>)", "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xnzQ94MP2z9t2W\n\tfor <incoming-dt@patchwork.ozlabs.org>;\n\tThu, 7 Sep 2017 21:54:25 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1754882AbdIGLyY (ORCPT\n\t<rfc822;incoming-dt@patchwork.ozlabs.org>);\n\tThu, 7 Sep 2017 07:54:24 -0400", "from mx07-00178001.pphosted.com ([62.209.51.94]:46277 \"EHLO\n\tmx07-00178001.pphosted.com\" rhost-flags-OK-OK-OK-OK)\n\tby vger.kernel.org with ESMTP id S1755038AbdIGLyA (ORCPT\n\t<rfc822; devicetree@vger.kernel.org>); Thu, 7 Sep 2017 07:54:00 -0400", "from pps.filterd (m0046037.ppops.net [127.0.0.1])\n\tby mx07-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv87Bmb2K014184; Thu, 7 Sep 2017 13:53:01 +0200", "from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35])\n\tby mx07-00178001.pphosted.com with ESMTP id 2csteq6r1q-1\n\t(version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT);\n\tThu, 07 Sep 2017 13:53:01 +0200", "from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9])\n\tby beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 2BBA531;\n\tThu, 7 Sep 2017 11:52:59 +0000 (GMT)", "from Webmail-eu.st.com (sfhdag5node2.st.com [10.75.127.14])\n\tby zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id F0BE925AA;\n\tThu, 7 Sep 2017 11:52:58 +0000 (GMT)", "from localhost (10.75.127.47) by SFHDAG5NODE2.st.com (10.75.127.14)\n\twith Microsoft SMTP Server (TLS) id 15.0.1178.4;\n\tThu, 7 Sep 2017 13:52:58 +0200" ], "From": "Pierre-Yves MORDRET <pierre-yves.mordret@st.com>", "To": "Vinod Koul <vinod.koul@intel.com>, Rob Herring <robh+dt@kernel.org>,\n\tMark Rutland <mark.rutland@arm.com>,\n\tMaxime Coquelin <mcoquelin.stm32@gmail.com>,\n\tAlexandre Torgue <alexandre.torgue@st.com>,\n\tRussell King <linux@armlinux.org.uk>,\n\tDan Williams <dan.j.williams@intel.com>,\n\t\"M'boumba Cedric Madianga\" <cedric.madianga@gmail.com>,\n\tFabrice GASNIER <fabrice.gasnier@st.com>,\n\tHerbert Xu <herbert@gondor.apana.org.au>,\n\tFabien DESSENNE <fabien.dessenne@st.com>,\n\tAmelie Delaunay <amelie.delaunay@st.com>,\n\tPierre-Yves MORDRET <pierre-yves.mordret@st.com>,\n\t<dmaengine@vger.kernel.org>, <devicetree@vger.kernel.org>,\n\t<linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>", "Subject": "[PATCH v4 0/4] Add STM32 DMAMUX support", "Date": "Thu, 7 Sep 2017 13:52:44 +0200", "Message-ID": "<1504785168-26572-1-git-send-email-pierre-yves.mordret@st.com>", "X-Mailer": "git-send-email 2.7.4", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[10.75.127.47]", "X-ClientProxiedBy": "SFHDAG5NODE1.st.com (10.75.127.13) To SFHDAG5NODE2.st.com\n\t(10.75.127.14)", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-09-07_08:, , signatures=0", "Sender": "devicetree-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<devicetree.vger.kernel.org>", "X-Mailing-List": "devicetree@vger.kernel.org" }, "content": "This patchset adds support for the STM32 DMA multiplexer.\nIt allows to map any peripheral DMA request to any channel of the product\nDMAs.\nThis IP has been introduced with STM32H7 SoC.\n\n---\n Version history:\n v4:\n * Add multi-master ability for STM32 DMAMUX\n * Get rid of st,dmamux property and custom API between STM32\n DMAMUX and DMA. Bindings has changed.\n DMAMUX will read DMA masters from Device Tree from now on.\n Merely one DMAMUX node is needed now.\n * Only STM32 DMA are allowed to be connected onto DMAMUX\n * channelID is computed locally within the driver and crafted in\n dma_psec to be passed toward DMA master.\n DMAMUX router sorts out which DMA master will serve the\n request automatically.\n * This version forbids the use of DMA in standalone and DMAMUX at\n the same time : all clients need to be connected either on DMA\n or DMAMUX ; no mix up\n v3:\n * change compatible to st,stm32h7-dmamux to be mode Soc specific\n * add verbosity in dma-cells\n---\n\nPierre-Yves MORDRET (4):\n dt-bindings: Document the STM32 DMAMUX bindings\n dmaengine: Add STM32 DMAMUX driver\n dt-bindings: stm32-dma: add a property to handle STM32 DMAMUX\n ARM: configs: stm32: Add MDMA support in STM32 defconfig\n\n .../devicetree/bindings/dma/stm32-dma.txt | 4 +-\n .../devicetree/bindings/dma/stm32-dmamux.txt | 84 ++++++\n arch/arm/configs/stm32_defconfig | 1 +\n drivers/dma/Kconfig | 9 +\n drivers/dma/Makefile | 1 +\n drivers/dma/stm32-dmamux.c | 321 +++++++++++++++++++++\n 6 files changed, 419 insertions(+), 1 deletion(-)\n create mode 100644 Documentation/devicetree/bindings/dma/stm32-dmamux.txt\n create mode 100644 drivers/dma/stm32-dmamux.c" }