From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B075EC87FCF for ; Thu, 7 Aug 2025 10:02:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=RuyjJTkS/rjYI9TGsC4pvcmFFvays7Lr8kUHUlZ7ORA=; b=2y504Kz3ETHt9JP92+q2ObaBlS MpvREWTg1gAWlsqNZe+6K72UVhBT05LzidUyR4xEWQD0hspCfa0BnLDQfGF8d+FBvFoPeHOTGCBpD gl2/5uZtG4JqrICa/Ma2WXVH/+u07Tc5/pUs4Tq15rtqDghP5fDRWHsku2mteQh6JozON+HYhYmLI BzeXA0WVx42td6v8yrsJlegMhSHDvPHDIYzeSx+sD3khCPA8Sb/7mw0EJ7dblNeWqsvRdpDmsP99l jCqAsP+6ZZWvkzEBXDXfbQg/sRB+JbBxoa1BiwmlwRx4jUcf22UkjdN62zKZyJPCc4G8iWNrLsRF6 cJjCueTA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujxS1-000000009Hu-353K; Thu, 07 Aug 2025 10:02:21 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujxOI-000000008RD-3URt; Thu, 07 Aug 2025 09:58:31 +0000 X-UUID: 0ede5d12737511f09eb0dd999d3936bf-20250807 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=RuyjJTkS/rjYI9TGsC4pvcmFFvays7Lr8kUHUlZ7ORA=; b=CUCqULvNk3TlWLZIEtPbqvJuN8aA5J9ZipRnKqrEAg48wMHTwKOIbrhPAZx6O+jlDWArVz0TvdFCePZvscyqhO6mU5OeTwGdtLIki6kvN8rKfLqSFkvElOMaE4Zka0pwdZB4b13I36yQLLqBBFdRPxWgq0Qvz8SCyVr3bAQghxA=; X-CID-CACHE: Type:Local,Time:202508070257-07,HitQuantity:1 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.3,REQID:5c78d25c-01bc-4b5b-ab50-c572b67a0da8,IP:0,UR L:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:-5 X-CID-META: VersionHash:f1326cf,CLOUDID:b3942a51-d89a-4c27-9e37-f7ccfcbebd5b,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:-5,Content:0|15|50,EDM:-3,IP: nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,L ES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 0ede5d12737511f09eb0dd999d3936bf-20250807 Received: from mtkmbs09n1.mediatek.inc [(172.21.101.35)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 407383331; Thu, 07 Aug 2025 02:58:24 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.39; Thu, 7 Aug 2025 17:58:21 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1258.39 via Frontend Transport; Thu, 7 Aug 2025 17:58:20 +0800 From: zhengnan chen To: Yong Wu , Joerg Roedel , Will Deacon , Robin Murphy , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , zhengnan chen Subject: [PATCH 0/3] MT8189 IOMMU SUPPORT Date: Thu, 7 Aug 2025 17:57:45 +0800 Message-ID: <20250807095756.11840-1-zhengnan.chen@mediatek.com> X-Mailer: git-send-email 2.46.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250807_025830_869084_6F113596 X-CRM114-Status: GOOD ( 10.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Based on tag: next-20250806, linux-next/master This patchset adds MT8189 iommu support. MT8189 have 3 IOMMU HWs. 1 IOMMU HW is for multimedia, 1 IOMMU HW is for apu(AI processer unit), and 2 IOMMU HW is for infra-master, like PCIe/USB. About the INFRA IOMMU, it don't have larbs, the master connects the iommu directly. It use a independent pgtable, and these two INFRA IOMMU HW share a pgtable. In mt8189, the display connect with larb1 and larb2 at the same time. Thus, we should add link between disp-dev with these two larbs. The software solutions can be summarized as follows: 1. Add iommu support for mt8189 2. Add a flag DL_WITH_MULTI_LARB to support the HW which connect with multiple larbs. zhengnan.chen (3): dt-bindings: mediatek: mt8189: Add bindings for MM & APU & INFRA IOMMU iommu/mediatek: Add a flag DL_WITH_MULTI_LARB iommu/mediatek: Add support for mt8189 .../bindings/iommu/mediatek,iommu.yaml | 7 + drivers/iommu/mtk_iommu.c | 132 +++++++- .../memory/mediatek,mt8189-memory-port.h | 283 ++++++++++++++++++ 3 files changed, 409 insertions(+), 13 deletions(-) create mode 100644 include/dt-bindings/memory/mediatek,mt8189-memory-port.h -- 2.46.0