Add support for the IOMMU on MT8167

Signed-off-by: Fabien Parent <fpar...@baylibre.com>
---

V2:
        * removed if based on m4u_plat, and using instead the new
        has_legacy_ivrp_paddr member that was introduced in patch 2.

---
 drivers/iommu/mtk_iommu.c | 9 +++++++++
 drivers/iommu/mtk_iommu.h | 1 +
 2 files changed, 10 insertions(+)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 78cb14ab7dd0..25b7ad1647ba 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -782,6 +782,14 @@ static const struct mtk_iommu_plat_data mt2712_data = {
        .larbid_remap = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9},
 };
 
+static const struct mtk_iommu_plat_data mt8167_data = {
+       .m4u_plat     = M4U_MT8167,
+       .has_4gb_mode = true,
+       .has_legacy_ivrp_paddr = true;
+       .reset_axi    = true,
+       .larbid_remap = {0, 1, 2, 3, 4, 5}, /* Linear mapping. */
+};
+
 static const struct mtk_iommu_plat_data mt8173_data = {
        .m4u_plat     = M4U_MT8173,
        .has_4gb_mode = true,
@@ -799,6 +807,7 @@ static const struct mtk_iommu_plat_data mt8183_data = {
 
 static const struct of_device_id mtk_iommu_of_ids[] = {
        { .compatible = "mediatek,mt2712-m4u", .data = &mt2712_data},
+       { .compatible = "mediatek,mt8167-m4u", .data = &mt8167_data},
        { .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data},
        { .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data},
        {}
diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
index 4696ba027a71..72f874ec9e9c 100644
--- a/drivers/iommu/mtk_iommu.h
+++ b/drivers/iommu/mtk_iommu.h
@@ -30,6 +30,7 @@ struct mtk_iommu_suspend_reg {
 enum mtk_iommu_plat {
        M4U_MT2701,
        M4U_MT2712,
+       M4U_MT8167,
        M4U_MT8173,
        M4U_MT8183,
 };
-- 
2.25.0

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