[PATCH 1/4] arm64: dts: imx8mp: switch usb controller to flattened model
Xu Yang
xu.yang_2 at nxp.com
Thu Apr 23 03:20:10 PDT 2026
On Tue, Apr 21, 2026 at 11:45:32PM -0400, Frank Li wrote:
> On Tue, Apr 21, 2026 at 06:55:00PM +0800, Xu Yang wrote:
> > Switch to use flattened model for all USB controllers. To enable USB
> > controllers with restricted DMA access range to work correctly, add a
> > pseudo simple-bus to constrain the dma address.
>
> This should not "pseudo", and bus is physical existed, which limited dma
> range since it transparent to SW, which may not mention in spec.
OK. Will remove the word "pseudo" in v2.
>
> >
> > Also reorder USB-related nodes.
>
> this need new patch to just do reorder.
OK. Will add a separate patch.
Thanks,
Xu Yang
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