iommu/mediatek: Add bclk can be supported optionally

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In some SoCs, M4U doesn't have its "bclk", it will use the EMI
clock instead which has always been enabled when entering kernel.

Currently mt2712 and mt8173 have this bclk while mt8183 doesn't.

This also is a preparing patch for mt8183.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Yong Wu 2019-08-24 11:01:56 +08:00 • committed by Joerg Roedel

parent b4dad40e4f

commit 2aa4c2597c

2 changed files with 10 additions and 3 deletions

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10

drivers/iommu/mtk_iommu.c

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3

drivers/iommu/mtk_iommu.h

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