From mboxrd@z Thu Jan 1 00:00:00 1970 From: sean.wang@mediatek.com (sean.wang at mediatek.com) Date: Thu, 25 May 2017 15:12:47 +0800 Subject: [PATCH v2 0/2] dmaengine: mtk-hsdma: add support for Mediatek High-Speed DMA controller on MT7623 SoC Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Sean Wang Changes since v1: - fix typo in the commit message. - delete status shown in the dt-binding example. 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 | 29 + drivers/dma/Kconfig | 14 + drivers/dma/Makefile | 1 + drivers/dma/mtk-hsdma.c | 890 +++++++++++++++++++++ 4 files changed, 934 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/mtk-hsdma.txt create mode 100644 drivers/dma/mtk-hsdma.c -- 2.7.4