From mboxrd@z Thu Jan 1 00:00:00 1970 From: Long Cheng Subject: [PATCH 0/4] add uart DMA function Date: Thu, 20 Sep 2018 14:41:09 +0800 Message-ID: <1537425673-18807-1-git-send-email-long.cheng@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Vinod Koul , Rob Herring , Mark Rutland Cc: Matthias Brugger , Dan Williams , Greg Kroah-Hartman , Jiri Slaby , Ed Blake , Long Cheng , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, srv_heupstream@mediatek.com, Yingjoe Chen , YT Shen List-Id: devicetree@vger.kernel.org In Mediatek SOCs, the uart can support DMA function. Base on DMA engine formwork, we add the DMA code to support uart. And put the code under drivers/dma. This series contains document bindings, Kconfig to control the function enable or not, device tree including interrupt and dma device node, the code of UART DMA function. Long Cheng (4): dt-bindings: dma: uart: add uart dma bindings dmaengine: mtk_uart_dma: add Mediatek uart DMA support serial: 8250-mtk: add uart DMA support arm: dts: mt2701: add uart APDMA to device tree .../devicetree/bindings/dma/8250_mtk_dma.txt | 32 + arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 50 + drivers/dma/8250_mtk_dma.c | 1049 ++++++++++++++++++++ drivers/dma/Kconfig | 11 + drivers/dma/Makefile | 1 + drivers/tty/serial/8250/8250_mtk.c | 211 +++- 6 files changed, 1353 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/dma/8250_mtk_dma.txt create mode 100644 drivers/dma/8250_mtk_dma.c -- 1.7.9.5