linux-kernel - [PATCH v1 0/5] NVIDIA Tegra AHB DMA controller driver

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Date:   Tue, 26 Sep 2017 02:22:01 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Prashant Gaikwad <pgaikwad@...dia.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Vinod Koul <vinod.koul@...el.com>
Cc:     linux-tegra@...r.kernel.org, devicetree@...r.kernel.org,
        dmaengine@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 0/5] NVIDIA Tegra AHB DMA controller driver

NVIDIA Tegra20/30 SoC's have AHB DMA controller. It has 4 DMA channels,
supports AHB <-> Memory and Memory <-> Memory transfers, slave / master
modes. This driver is primarily supposed to be used by gpu/host1x in a
master mode, performing 3D HW context stores.

Dmitry Osipenko (5):
  clk: tegra: Add AHB DMA clock entry
  clk: tegra: Bump SCLK clock rate to 216MHz on Tegra20
  dt-bindings: Add DT bindings for NVIDIA Tegra AHB DMA controller
  dmaengine: Add driver for NVIDIA Tegra AHB DMA controller
  ARM: dts: tegra: Add AHB DMA controller nodes

 .../bindings/dma/nvidia,tegra20-ahbdma.txt         |  23 +
 arch/arm/boot/dts/tegra20.dtsi                     |   9 +
 arch/arm/boot/dts/tegra30.dtsi                     |   9 +
 drivers/clk/tegra/clk-id.h                         |   1 +
 drivers/clk/tegra/clk-tegra-periph.c               |   1 +
 drivers/clk/tegra/clk-tegra20.c                    |   8 +-
 drivers/clk/tegra/clk-tegra30.c                    |   2 +
 drivers/dma/Kconfig                                |   9 +
 drivers/dma/Makefile                               |   1 +
 drivers/dma/tegra20-ahb-dma.c                      | 679 +++++++++++++++++++++
 10 files changed, 741 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra20-ahbdma.txt
 create mode 100644 drivers/dma/tegra20-ahb-dma.c

-- 
2.14.1