On Thu, Sep 28, 2017 at 01:49:17AM +0000, Stefan Brüns wrote:
> Commit 3a03ea763a67 ("dmaengine: sun6i: Add support for Allwinner A83T
> (sun8i) variant") and commit f008db8c00c1 ("dmaengine: sun6i: Add support for
> Allwinner H3 (sun8i) variant") added support for the A83T resp. H3, but missed
> some differences between the original A31 and A83T/H3.
>
> The first patch adds a callback to the controller config to set the clock
> autogating register of different SoC generations, i.e. A31, A23+A83T,
> H3+later,
> and uses it to for the correct clock autogating setting.
>
> The second patch adds a callback for the burst length setting in the channel
> config register, which has different field offsets and new burst
> widths/lengths,
> which differs between H3 and earlier generations
>
> The third patch restructures some code required for the fourth patch and adds
> the
> burst lengths to the controller config.
>
> The fourth patch adds the burst widths to the config and adds the handling of
> the
> H3 specific burst widths.
>
> Patch 5 restructures the code to decouple some controller details (e.g.
> channel
> count) from the compatible string/the config.
>
> Patches 6, 7 and 8 introduce and use the "dma-chans" property for the A64.
> Although
> register compatible to the H3, the channel count differs and thus it requires
> a
> new compatible. To avoid introduction of new compatibles for each minor
> variation,
> anything but the register model is moved to devicetree properties. There
> is at least one SoC (R40) which can then reuse the A64 compatible, the same
> would have worked for A83T+V3s.
>
> Patches 9 and 10 add the DMA controller node to the devicetree and add the DMA
> controller reference to the SPI nodes.
>
> Patch 11 fixes a small error in the devicetree binding example.Applied patches 9-11, thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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