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arm64: dts: layerscape: add dma-coherent for usb node

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Add SOC special compatible string, remove fallback snps,dwc3 to let flatten
dwc3-layerscape driver to be probed and enable dma-coherence for usb node
since commit add layerscape dwc3 support, which set correct gsbustcfg0
value.

Add iommus property to run at old uboot, which use fixup add iommus by
check compatible string snsp,dwc3 compatible string.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Frank Li 2025-09-29 10:24:17 -04:00 • committed by Shawn Guo
commit 7b204755eb
6 changed files with 32 additions and 13 deletions
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