linux-kernel - [PATCH v15 0/4] Add NVIDIA Tegra GPC-DMA driver

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Date:   Thu, 16 Dec 2021 22:41:56 +0530
From:   Akhil R <akhilrajeev@...dia.com>
To:     <dan.j.williams@...el.com>, <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 v15 0/4] Add NVIDIA Tegra GPC-DMA driver

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

v14 -> v15:
  * Removed late suspend.
  * Removed unneeded prototype
  * Updated kfree to free tdc->vc instead of tdc->dma_desc.
  * Updated Kconfig to use ARCH_TEGRA instead of specific chips.

v14 - https://lkml.org/lkml/2021/12/6/370

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                     | 1281 ++++++++++++++++++++
 7 files changed, 1489 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