linux-kernel - [PATCH v4 0/4] Add STM32 MDMA driver

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Message-ID: <1503671466-32029-1-git-send-email-pierre-yves.mordret@st.com>
Date:   Fri, 25 Aug 2017 16:31:02 +0200
From:   Pierre-Yves MORDRET <pierre-yves.mordret@...com>
To:     Vinod Koul <vinod.koul@...el.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Russell King <linux@...linux.org.uk>,
        Dan Williams <dan.j.williams@...el.com>,
        "M'boumba Cedric Madianga" <cedric.madianga@...il.com>,
        Fabrice GASNIER <fabrice.gasnier@...com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Fabien DESSENNE <fabien.dessenne@...com>,
        Amelie Delaunay <amelie.delaunay@...com>,
        Pierre-Yves MORDRET <pierre-yves.mordret@...com>,
        <dmaengine@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v4 0/4] Add STM32 MDMA driver

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:
     v4:
         * Add safe getter/setter macros
         * forbid DMA preparation in cyclic mode yet
         * Optimize burst and memory width for memcpy
         * replace of_property_xx by device_property_xx
     v3:
         * Update header template
         * Unsigned expression compared with zero
         * Rework stm32_mdma_get_max_width
         * moved to src/dst case where they are used in set_xfer
         * Change of_property_* with device_property_*
         * Add dev_warn whether default value is used
         * Indentation
         * Add MODULE_*
     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                           | 1618 ++++++++++++++++++++
 6 files changed, 1736 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/stm32-mdma.txt
 create mode 100644 drivers/dma/stm32-mdma.c

-- 
2.7.4