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From: Fabien Parent <fparent@baylibre.com>
To: Yong Wu <yong.wu@mediatek.com>, Joerg Roedel <joro@8bytes.org>,
	Will Deacon <will@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>
Cc: Fabien Parent <fparent@baylibre.com>,
	iommu@lists.linux-foundation.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/3] iommu: mtk_iommu: add support for MT8365 SoC
Date: Mon, 30 May 2022 20:03:28 +0200	[thread overview]
Message-ID: <20220530180328.845692-3-fparent@baylibre.com> (raw)
In-Reply-To: <20220530180328.845692-1-fparent@baylibre.com>

Add IOMMU support for MT8365 SoC.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
---
 drivers/iommu/mtk_iommu.c | 11 +++++++++++
 drivers/iommu/mtk_iommu.h |  1 +
 2 files changed, 12 insertions(+)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index b692347d8d56..039b8f9d5022 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1093,6 +1093,16 @@ static const struct mtk_iommu_plat_data mt8192_data = {
 	.port_width     = 5,
 };
 
+static const struct mtk_iommu_plat_data mt8365_data = {
+	.m4u_plat     = M4U_MT8365,
+	.flags	      = RESET_AXI,
+	.inv_sel_reg  = REG_MMU_INV_SEL_GEN1,
+	.iova_region  = single_domain,
+	.iova_region_nr = ARRAY_SIZE(single_domain),
+	.larbid_remap = {{0}, {1}, {2}, {3}, {4}, {5}}, /* Linear mapping. */
+	.port_width   = 6,
+};
+
 static const struct of_device_id mtk_iommu_of_ids[] = {
 	{ .compatible = "mediatek,mt2712-m4u", .data = &mt2712_data},
 	{ .compatible = "mediatek,mt6779-m4u", .data = &mt6779_data},
@@ -1100,6 +1110,7 @@ static const struct of_device_id mtk_iommu_of_ids[] = {
 	{ .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data},
 	{ .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data},
 	{ .compatible = "mediatek,mt8192-m4u", .data = &mt8192_data},
+	{ .compatible = "mediatek,mt8365-m4u", .data = &mt8365_data},
 	{}
 };
 
diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
index 84cecaf6d61c..cb174fa6f2ab 100644
--- a/drivers/iommu/mtk_iommu.h
+++ b/drivers/iommu/mtk_iommu.h
@@ -46,6 +46,7 @@ enum mtk_iommu_plat {
 	M4U_MT8173,
 	M4U_MT8183,
 	M4U_MT8192,
+	M4U_MT8365,
 };
 
 struct mtk_iommu_iova_region;
-- 
2.36.1

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  parent reply	other threads:[~2022-05-30 18:04 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-30 18:03 [PATCH 1/3] dt-bindings: iommu: mediatek: add binding documentation for MT8365 SoC Fabien Parent
2022-05-30 18:03 ` [PATCH 2/3] iommu: mtk_iommu: add support for 6-bit encoded port IDs Fabien Parent
2022-06-02  6:18   ` Yong Wu via iommu
2022-05-30 18:03 ` Fabien Parent [this message]
2022-06-02  6:18 ` [PATCH 1/3] dt-bindings: iommu: mediatek: add binding documentation for MT8365 SoC Yong Wu via iommu
2022-06-02  8:27   ` Macpaul Lin via iommu
2022-06-02  8:42     ` Macpaul Lin via iommu
2022-06-02  9:26       ` Yong Wu via iommu
2022-06-05 21:13 ` Rob Herring

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