From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934275AbbGHQLg (ORCPT ); Wed, 8 Jul 2015 12:11:36 -0400 Received: from mail-wi0-f177.google.com ([209.85.212.177]:36212 "EHLO mail-wi0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758792AbbGHQLe (ORCPT ); Wed, 8 Jul 2015 12:11:34 -0400 From: Peter Griffin To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, srinivas.kandagatla@gmail.com, maxime.coquelin@st.com, patrice.chotard@st.com, vinod.koul@intel.com, dan.j.williams@intel.com Cc: peter.griffin@linaro.org, lee.jones@linaro.org, devicetree@vger.kernel.org, dmaengine@vger.kernel.org, ludovic.barre@st.com Subject: [PATCH 0/7] Add support for FDMA DMA controller found on STi chipsets Date: Wed, 8 Jul 2015 17:11:21 +0100 Message-Id: <1436371888-27863-1-git-send-email-peter.griffin@linaro.org> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, This patchset adds support for the Flexible Direct Memory Access (FDMA) core found on STi chipsets from STMicroelectronics. The FDMA is a slim core CPU with a dedicated firmware. It is a general purpose DMA controller supporting 16 independent channels and data can be moved from memory to memory or between memory and paced latency critical real time targets. To increase the number of peripheral request, support is also added for the FDMA crossbar hardware, which can be used to multiplex up to 96 peripheral requests, to the 3 fdma engines. regards, Peter. Peter Griffin (7): dmaengine: st_fdma: Add STMicroelectronics FDMA DT binding documentation dmaengine: st_fdma: Add STMicroelectronics FDMA xbar DT binding documentation dmaengine: st_fdma: Add STMicroelectronics FDMA engine driver support dmaengine: st_fdma: Add xbar support ARM: STi: DT: STiH407: Add FDMA driver and xbar driver dt nodes. MAINTAINERS: Add FDMA driver files to STi section. ARM: multi_v7_defconfig: Enable STi FDMA driver Documentation/devicetree/bindings/dma/st_fdma.txt | 100 ++ MAINTAINERS | 2 + arch/arm/boot/dts/stih407-family.dtsi | 59 + arch/arm/configs/multi_v7_defconfig | 2 + drivers/dma/Kconfig | 26 + drivers/dma/Makefile | 2 + drivers/dma/st_fdma.c | 1203 +++++++++++++++++++++ drivers/dma/st_fdma.h | 266 +++++ drivers/dma/st_fdma_xbar.c | 149 +++ include/linux/platform_data/dma-st_fdma.h | 70 ++ 10 files changed, 1879 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/st_fdma.txt create mode 100644 drivers/dma/st_fdma.c create mode 100644 drivers/dma/st_fdma.h create mode 100644 drivers/dma/st_fdma_xbar.c create mode 100644 include/linux/platform_data/dma-st_fdma.h -- 1.9.1