Re: [PATCH v2 3/7] iommu: mtk_iommu: Lookup phandle to retrieve syscon to pericfg

2022-05-26 Thread Yong Wu via iommu
On Wed, 2022-05-18 at 12:04 +0200, AngeloGioacchino Del Regno wrote: > On some SoCs (of which only MT8195 is supported at the time of > writing), > the "R" and "W" (I/O) enable bits for the IOMMUs are in the > pericfg_ao > register space and not in the IOMMU space: as it happened already > with > i

[PATCH v2 3/7] iommu: mtk_iommu: Lookup phandle to retrieve syscon to pericfg

2022-05-18 Thread AngeloGioacchino Del Regno
On some SoCs (of which only MT8195 is supported at the time of writing), the "R" and "W" (I/O) enable bits for the IOMMUs are in the pericfg_ao register space and not in the IOMMU space: as it happened already with infracfg, it is expected that this list will grow. Instead of specifying pericfg co