linux-kernel - [PATCH 0/2] dmaengine: mtk-hsdma: add support for Mediatek High-Speed DMA controller on MT7623 SoC

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Date:   Mon, 15 May 2017 14:59:25 +0800
From:   <sean.wang@...iatek.com>
To:     <dan.j.williams@...el.com>, <vinod.koul@...el.com>,
        <robh+dt@...nel.org>, <mark.rutland@....com>
CC:     <dmaengine@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <keyhaede@...il.com>,
        Sean Wang <sean.wang@...iatek.com>
Subject: [PATCH 0/2] dmaengine: mtk-hsdma: add support for Mediatek High-Speed DMA controller on MT7623 SoC

From: Sean Wang <sean.wang@...iatek.com>

This patchset introduces support for Mediatek High-Speed DMA controller
(MTK-HSDMA) Currently, the driver is already tested successfully with
dmatest module on MT7623 SoC. 

MTK-HSDMA on MT7623 SoC has the single channel which is dedicated to
memory-to-memory transfer through ring-based descriptor management.
Even though there is only one physical channel available inside HSDMA,
the driver is extended to the support for multiple virtual channels
processing simultaneously in round-round way by means of the feature
DMA_VIRTUAL_CHANNELS.

Sean Wang (2):
  dt-bindings: dmaengine: Add Mediatek High-Speed DMA controller
    bindings
  dmaengine: mtk-hsdma: Add Mediatek High-Speed DMA controller on MT7623
    SoC

 .../devicetree/bindings/dma/mtk-hsdma.txt          |  30 +
 drivers/dma/Kconfig                                |  14 +
 drivers/dma/Makefile                               |   1 +
 drivers/dma/mtk-hsdma.c                            | 890 +++++++++++++++++++++
 4 files changed, 935 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/mtk-hsdma.txt
 create mode 100644 drivers/dma/mtk-hsdma.c

-- 
2.7.4