[PATCH 1/9] ARM: dts: add generic DMA DT binding for tegra apbdma

Stephen Warren swarren at wwwdotorg.org
Fri Jul 26 15:21:20 EDT 2013


(Stripping the Cc list a lot, but adding in the DT binding maintainers)

On 07/23/2013 10:09 PM, Richard Zhao wrote:
> All Tegra device drivers will soon move to generic DMA device tree bindings.
> Add the required properties to the Tegra DT files to support that. The legacy
> property nvidia,dma-request-selector will be removed after all drivers have
> been converted, in order to maintain bisectability.
> 
> Changes:
>  - Add '#dma-cells' for apbdma nodes
>  - And properties 'dmas' and 'dma-names' for apbdma client nodes
>  - update apbdma DT binding doc
> 
> Signed-off-by: Richard Zhao <rizhao at nvidia.com>
> ---
>  .../devicetree/bindings/dma/tegra20-apbdma.txt     |  1 +
>  arch/arm/boot/dts/tegra114.dtsi                    | 27 ++++++++++++++++++++++
>  arch/arm/boot/dts/tegra20.dtsi                     | 27 ++++++++++++++++++++++
>  arch/arm/boot/dts/tegra30.dtsi                     | 25 ++++++++++++++++++++

This patch should be split differently.

Patch 1 in the series should include the binding document change and the
associated DMA driver change, which will support both the old and new
bindings.

Patch 2 should contain the *.dtsi changes.



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