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Mon, 02 Mar 2020 03:22:23 -0800 (PST) From: Fabien Parent To: linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org Subject: [PATCH v2 3/3] iommu/mediatek: add support for MT8167 Date: Mon, 2 Mar 2020 12:21:52 +0100 Message-Id: <20200302112152.2887131-3-fparent@baylibre.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200302112152.2887131-1-fparent@baylibre.com> References: <20200302112152.2887131-1-fparent@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200302_032228_002226_B4222FBD X-CRM114-Status: GOOD ( 11.38 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: matthias.bgg@gmail.com, ck.hu@mediatek.com, joro@8bytes.org, yong.wu@mediatek.com, Fabien Parent Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add support for the IOMMU on MT8167 Signed-off-by: Fabien Parent --- 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, }; 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