From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH v4] add support for Mediatek Command-Queue DMA controller on MT6765 SoC Date: Thu, 27 Dec 2018 21:10:56 +0800 Message-ID: <1545916258-18218-1-git-send-email-shun-chih.yu@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Sean Wang , Vinod Koul , Rob Herring , Matthias Brugger , Dan Williams Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, srv_wsdupstream@mediatek.com List-Id: devicetree@vger.kernel.org Changes since v3: - simplify the ISR and management on descriptors by removing tasklet and ASYNC_TX_ENABLE_CHANNEL_SWITCH - remove useless field in mtk_cqdma_vdesc structure - change dev_info to dev_dbg - fix typos Changes since v2: - fix build warning for kernel with DMA address in 32-bit Changes since v1: - remove unused macros, typos - leverage ASYNC_TX_ENABLE_CHANNEL_SWITCH to maintain DMA descriptor list Shun-Chih Yu (2): dt-bindings: dmaengine: Add MediaTek Command-Queue DMA controller bindings dmaengine: mediatek: Add MediaTek Command-Queue DMA controller for MT6765 SoC .../devicetree/bindings/dma/mtk-cqdma.txt | 31 + drivers/dma/mediatek/Kconfig | 12 + drivers/dma/mediatek/Makefile | 1 + drivers/dma/mediatek/mtk-cqdma.c | 867 ++++++++++++++++++ 4 files changed, 911 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/mtk-cqdma.txt create mode 100644 drivers/dma/mediatek/mtk-cqdma.c