[PATCH v4,2/6] dt-bindings: media: mtk-vcodec: Add dma-ranges property
robh at kernel.org
Wed Jun 2 11:50:17 PDT 2021
On Fri, 21 May 2021 15:01:35 +0800, Irui Wang wrote:
> The mt8192 iommu support 0~16GB iova. We separate it to four banks:
> 0~4G; 4G~8G; 8G~12G; 12G~16G.
> The "dma-ranges" could be used to adjust the bank we locate.
> If we don't set this property. The default range always is 0~4G.
> Here we don't have actual bus/parent concept here. And the iova
> requirement is for our HW. Thus put the property in our node.
> Signed-off-by: Irui Wang <irui.wang at mediatek.com>
> Documentation/devicetree/bindings/media/mediatek-vcodec.txt | 2 ++
> 1 file changed, 2 insertions(+)
Acked-by: Rob Herring <robh at kernel.org>
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