Enable the multi-bank functions for infra-iommu. We put PCIE in bank0
and USB in the last bank(bank4). and we don't use the other banks
currently, disable them.

Signed-off-by: Yong Wu <yong...@mediatek.com>
---
 drivers/iommu/mtk_iommu.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 3d474eedce3e..5c4905e70362 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1283,8 +1283,11 @@ static const struct mtk_iommu_plat_data 
mt8195_data_infra = {
        .flags            = WR_THROT_EN | DCM_DISABLE |
                            MTK_IOMMU_TYPE_INFRA | IFA_IOMMU_PCIe_SUPPORT,
        .pericfg_comp_str = "mediatek,mt8195-pericfg_ao",
-       .bank_nr          = 1,
-       .bank_enable      = {true},
+       .bank_nr          = 5,
+       .bank_enable      = {true, false, false, false, true},
+       .bank_portmsk     = {[0] = GENMASK(19, 16),     /* PCIe */
+                            [4] = GENMASK(31, 20),     /* USB */
+                           },
        .inv_sel_reg      = REG_MMU_INV_SEL_GEN2,
        .iova_region      = single_domain,
        .iova_region_nr   = ARRAY_SIZE(single_domain),
-- 
2.18.0

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