[PATCH v4 0/4] Add Nvidia Tegra GPC-DMA driver

From: Akhil R
Date: Wed Sep 08 2021 - 10:32:34 EST


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

Changes in patch v4:
Addressed review comments in patch v3

v3 - https://lkml.org/lkml/2021/8/27/34
v2 - https://lkml.org/lkml/2020/8/6/90
v1 - https://lkml.org/lkml/2020/7/20/96

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 | 106 ++
arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 4 +
arch/arm64/boot/dts/nvidia/tegra186.dtsi | 46 +
arch/arm64/boot/dts/nvidia/tegra194.dtsi | 46 +
arch/arm64/configs/defconfig | 1 +
drivers/dma/Kconfig | 12 +
drivers/dma/Makefile | 1 +
drivers/dma/tegra186-gpc-dma.c | 1371 ++++++++++++++++++++
8 files changed, 1587 insertions(+)
create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
create mode 100644 drivers/dma/tegra186-gpc-dma.c

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2.7.4