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@xxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/media/mediatek-vcodec.txt | 2 ++ > 1 file changed, 2 insertions(+) > Acked-by: Rob Herring <robh@xxxxxxxxxx>
