From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Subject: Re: [PATCH v5 2/4] dmaengine: Add STM32 MDMA driver Date: Sun, 8 Oct 2017 14:46:27 +0530 Message-ID: <20171008091627.GJ30097@localhost> References: <1506613003-28376-1-git-send-email-pierre-yves.mordret@st.com> <1506613003-28376-3-git-send-email-pierre-yves.mordret@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1506613003-28376-3-git-send-email-pierre-yves.mordret-qxv4g6HH51o@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Pierre-Yves MORDRET Cc: Rob Herring , Mark Rutland , Maxime Coquelin , Alexandre Torgue , Russell King , Dan Williams , M'boumba Cedric Madianga , Fabrice GASNIER , Herbert Xu , Fabien DESSENNE , Amelie Delaunay , dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org On Thu, Sep 28, 2017 at 05:36:41PM +0200, Pierre-Yves MORDRET wrote: > This patch adds the driver for the STM32 MDMA controller. > > Master Direct memory access (MDMA) is used in order to provide high-speed > data transfer between memory and memory or between peripherals and memory. > > MDMA controller provides a master AXI interface for main memory and > peripheral registers access (system access port) and a master AHB > interface only for Cortex-M7 TCM memory access (TCM access port). > > MDMA works in conjunction with the standard DMA controllers (DMA1 or DMA2). > It offers up to 64 channels, each dedicated to managing memory access > requests from one of the DMA stream memory buffer or other peripherals > (w/ integrated FIFO). Applied, thanks -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html