From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752794AbdGFM1N (ORCPT ); Thu, 6 Jul 2017 08:27:13 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:7075 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752540AbdGFM1J (ORCPT ); Thu, 6 Jul 2017 08:27:09 -0400 From: Pierre-Yves MORDRET To: Vinod Koul , Rob Herring , Mark Rutland , Maxime Coquelin , Alexandre Torgue , Russell King , Dan Williams , "M'boumba Cedric Madianga" , Fabrice GASNIER , Herbert Xu , Fabien DESSENNE , Amelie Delaunay , Pierre-Yves MORDRET , , , , Subject: [PATCH v2 0/4] Add STM32 MDMA driver Date: Thu, 6 Jul 2017 14:25:37 +0200 Message-ID: <1499343941-6375-1-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: SFHDAG6NODE2.st.com (10.75.127.17) To SFHDAG5NODE2.st.com (10.75.127.14) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-07-06_05:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset adds support for the STM32 MDMA controller. The Master Direct memory access (MDMA) provides high-speed data transfer between memory and memory or between peripherals and memory. Contrary to STM32 DMA, the STM32 MDMA controller supports hardware LLI and uses a larger integrated FIFO (128 vs 16 bytes) --- Version history: v2: * change compatible into st,stm32h7-mdma to be more SoC specific * Add MDMA support in DT for H7 * Add MDMA support in STM32 defconfig --- Pierre-Yves MORDRET (4): dt-bindings: Document the STM32 MDMA bindings dmaengine: Add STM32 MDMA driver ARM: dts: stm32: Add MDMA support for STM32H743 SoC ARM: configs: stm32: Add MDMA support in STM32 defconfig .../devicetree/bindings/dma/stm32-mdma.txt | 94 ++ arch/arm/boot/dts/stm32h743.dtsi | 10 + arch/arm/configs/stm32_defconfig | 1 + drivers/dma/Kconfig | 12 + drivers/dma/Makefile | 1 + drivers/dma/stm32-mdma.c | 1536 ++++++++++++++++++++ 6 files changed, 1654 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/stm32-mdma.txt create mode 100644 drivers/dma/stm32-mdma.c -- 2.7.4