iommu/mediatek: Add mt8186 iommu support

Add mt8186 iommu supports.

Signed-off-by: Anan Sun <anan.sun@mediatek.com>
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220503071427.2285-37-yong.wu@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 0fa1d5240ac69577930dabf9c1e078527727ca41..71b2ace74cd6b2b7ba2eb038cf6e8a91e3de5e11 100644 (file)
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -160,6 +160,7 @@ enum mtk_iommu_plat {
        M4U_MT8167,
        M4U_MT8173,
        M4U_MT8183,
+       M4U_MT8186,
        M4U_MT8192,
        M4U_MT8195,
 };
@@ -1437,6 +1438,20 @@ static const struct mtk_iommu_plat_data mt8183_data = {
        .larbid_remap = {{0}, {4}, {5}, {6}, {7}, {2}, {3}, {1}},
 };
 
+static const struct mtk_iommu_plat_data mt8186_data_mm = {
+       .m4u_plat       = M4U_MT8186,
+       .flags          = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN |
+                         WR_THROT_EN | IOVA_34_EN | MTK_IOMMU_TYPE_MM,
+       .larbid_remap   = {{0}, {1, MTK_INVALID_LARBID, 8}, {4}, {7}, {2}, {9, 11, 19, 20},
+                          {MTK_INVALID_LARBID, 14, 16},
+                          {MTK_INVALID_LARBID, 13, MTK_INVALID_LARBID, 17}},
+       .inv_sel_reg    = REG_MMU_INV_SEL_GEN2,
+       .banks_num      = 1,
+       .banks_enable   = {true},
+       .iova_region    = mt8192_multi_dom,
+       .iova_region_nr = ARRAY_SIZE(mt8192_multi_dom),
+};
+
 static const struct mtk_iommu_plat_data mt8192_data = {
        .m4u_plat       = M4U_MT8192,
        .flags          = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN |
@@ -1503,6 +1518,7 @@ static const struct of_device_id mtk_iommu_of_ids[] = {
        { .compatible = "mediatek,mt8167-m4u", .data = &mt8167_data},
        { .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data},
        { .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data},
+       { .compatible = "mediatek,mt8186-iommu-mm",    .data = &mt8186_data_mm}, /* mm: m4u */
        { .compatible = "mediatek,mt8192-m4u", .data = &mt8192_data},
        { .compatible = "mediatek,mt8195-iommu-infra", .data = &mt8195_data_infra},
        { .compatible = "mediatek,mt8195-iommu-vdo",   .data = &mt8195_data_vdo},