diff mbox series

[v4,3/3] iommu/mediatek: add support for MT8365 SoC

Message ID 20221001-iommu-support-v4-3-f1e13438dfd2@baylibre.com (mailing list archive)
State New, archived
Headers show
Series iommu/mediatek: Add mt8365 iommu support | expand

Commit Message

Alexandre Mergnat Oct. 14, 2022, 8:45 a.m. UTC 
From: Fabien Parent <fparent@baylibre.com>

Add IOMMU support for MT8365 SoC.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Reviewed-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
Tested-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
---
 drivers/iommu/mtk_iommu.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Comments

Yong Wu (吴勇) Oct. 15, 2022, 3:25 a.m. UTC | #1 
On Fri, 2022-10-14 at 10:45 +0200, Alexandre Mergnat wrote:
> From: Fabien Parent <fparent@baylibre.com>
> 
> Add IOMMU support for MT8365 SoC.
> 
> Signed-off-by: Fabien Parent <fparent@baylibre.com>
> Reviewed-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
> Tested-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
> Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>

Reviewed-by: Yong Wu <yong.wu@mediatek.com>
diff mbox series

Patch

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 50195a900611..051ed5234538 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -170,6 +170,7 @@  enum mtk_iommu_plat {
 	M4U_MT8186,
 	M4U_MT8192,
 	M4U_MT8195,
+	M4U_MT8365,
 };
 
 struct mtk_iommu_iova_region {
@@ -1528,6 +1529,17 @@  static const struct mtk_iommu_plat_data mt8195_data_vpp = {
 			   {4, MTK_INVALID_LARBID, MTK_INVALID_LARBID, MTK_INVALID_LARBID, 6}},
 };
 
+static const struct mtk_iommu_plat_data mt8365_data = {
+	.m4u_plat	= M4U_MT8365,
+	.flags		= RESET_AXI | HAS_INT_ID_PORT_WIDTH_6,
+	.inv_sel_reg	= REG_MMU_INV_SEL_GEN1,
+	.banks_num	= 1,
+	.banks_enable	= {true},
+	.iova_region	= single_domain,
+	.iova_region_nr	= ARRAY_SIZE(single_domain),
+	.larbid_remap	= {{0}, {1}, {2}, {3}, {4}, {5}}, /* Linear mapping. */
+};
+
 static const struct of_device_id mtk_iommu_of_ids[] = {
 	{ .compatible = "mediatek,mt2712-m4u", .data = &mt2712_data},
 	{ .compatible = "mediatek,mt6779-m4u", .data = &mt6779_data},
@@ -1540,6 +1552,7 @@  static const struct of_device_id mtk_iommu_of_ids[] = {
 	{ .compatible = "mediatek,mt8195-iommu-infra", .data = &mt8195_data_infra},
 	{ .compatible = "mediatek,mt8195-iommu-vdo",   .data = &mt8195_data_vdo},
 	{ .compatible = "mediatek,mt8195-iommu-vpp",   .data = &mt8195_data_vpp},
+	{ .compatible = "mediatek,mt8365-m4u", .data = &mt8365_data},
 	{}
 };