linux-kernel - [PATCH v17 0/4] Add NVIDIA Tegra GPC-DMA driver

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Date:   Sat, 29 Jan 2022 22:10:49 +0530
From:   Akhil R <akhilrajeev@...dia.com>
To:     <devicetree@...r.kernel.org>, <dmaengine@...r.kernel.org>,
        <jonathanh@...dia.com>, <kyarlagadda@...dia.com>,
        <ldewangan@...dia.com>, <linux-kernel@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <p.zabel@...gutronix.de>,
        <rgumasta@...dia.com>, <robh+dt@...nel.org>,
        <thierry.reding@...il.com>, <vkoul@...nel.org>
CC:     <akhilrajeev@...dia.com>
Subject: [PATCH v17 0/4] Add NVIDIA Tegra GPC-DMA driver

Add support for NVIDIA Tegra general purpose DMA driver for
Tegra186 and Tegra194 platform.

v16 -> v17:
  * Updates in terminate_all() and pause().
  * Moved DMA busy check to configure_next_sg() from issue_pending()
  * shortened variable names -
    bytes_requested -> bytes_req; bytes_transferred -> bytes_xfer
  * Correction in burst_size calculation

Akhil R (4):
  dt-bindings: dmaengine: Add doc for tegra gpcdma
  dmaengine: tegra: Add tegra gpcdma driver
  arm64: defconfig: tegra: Enable GPCDMA
  arm64: tegra: Add GPCDMA node for tegra186 and tegra194

 .../bindings/dma/nvidia,tegra186-gpc-dma.yaml      |  110 ++
 arch/arm64/boot/dts/nvidia/tegra186.dtsi           |   42 +
 arch/arm64/boot/dts/nvidia/tegra194.dtsi           |   43 +
 arch/arm64/configs/defconfig                       |    1 +
 drivers/dma/Kconfig                                |   11 +
 drivers/dma/Makefile                               |    1 +
 drivers/dma/tegra186-gpc-dma.c                     | 1488 ++++++++++++++++++++
 7 files changed, 1696 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
 create mode 100644 drivers/dma/tegra186-gpc-dma.c

-- 
2.7.4