From patchwork Thu Jun 9 10:08:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 12875150 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 F1D0BC43334 for ; Thu, 9 Jun 2022 10:10:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: 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: List-Owner; bh=EfaDWoz26fbyiaBoztw2P6JZsAx7Fu57BXVJZVyELoM=; b=3fv3xaSSKS5V5q ZVD8uYtN1mbdwTSihQ8f61c3SAcAdxYi9/7AaTFPX0Sc8JVWrURsH8ldtw95RdgcsI/RxlXj311X4 vO3Zt5fjvTz5zlqpRwzl61x4BgDDf967DIeE69JS8h2qmYagIBbM3/s+GHlfThsm3LH23GoLuPRiB P++W6f1Dxby/7dvuLHQ2NM82XPpQAkSIJa5d2RiF70ISaDfJ1+hxg2UVUxSTlWo+vpMWExwq+Papc fo7roMWnUjIA8sZfw1awA51HpKLVDreH3xfST1l0k4lPew2OfTCL19q2dRl7zgXOPCDGKzIE04qDi uwBDTuxjHvnj+eunv85Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzF6L-000sLs-53; Thu, 09 Jun 2022 10:09:17 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzF5J-000rkP-Mz; Thu, 09 Jun 2022 10:08:15 +0000 Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id CAD9866017CA; Thu, 9 Jun 2022 11:08:11 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1654769292; bh=pb2gWlG7j2g032SqdnNvyy3B/6lmxFBQubwWdcY6ii4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q9sTvQ6OjmfN2Xr+h60kQLRKdH+Ux3vnvpmUoxw3cSwR++4MBAYYuBli09cSDm7R9 /8vEybuz6HL0qQ3LpazzQETe61gJ2WTP+h+Qoahk2WXFeRpczFWosmchVsQWu4oPoY fRJV1prrWSfchOnxeH/5SNCNFV0hOgK7unGczlDq8gIL0DeVYOz9NZ2wYud5c9YuPo pqwbhAOF+jlLIF807YlqGcdaP5P7aEsSjDSPsX5HjRZVOmcaWB9Pr6IL6p3/eMsCze xj8V0I/woD8cOlcaRepHc2UphyFB9OkBkdrla784kO4WOQs46nyMTgvXvV+IShUwX6 nVaHIcLshW5hA== From: AngeloGioacchino Del Regno To: yong.wu@mediatek.com Cc: joro@8bytes.org, will@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, krzysztof.kozlowski@linaro.org, AngeloGioacchino Del Regno Subject: [PATCH v3 5/6] dt-bindings: iommu: mediatek: Add mediatek,pericfg phandle Date: Thu, 9 Jun 2022 12:08:01 +0200 Message-Id: <20220609100802.54513-6-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220609100802.54513-1-angelogioacchino.delregno@collabora.com> References: <20220609100802.54513-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220609_030813_931207_58F1CB6F X-CRM114-Status: UNSURE ( 9.23 ) X-CRM114-Notice: Please train this message. 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 Add property "mediatek,pericfg" to let the mtk_iommu driver retrieve a phandle to the infracfg syscon instead of performing a per-soc compatible lookup in the entire devicetree and set it as a required property for MT8195's infra IOMMU. Signed-off-by: AngeloGioacchino Del Regno --- .../devicetree/bindings/iommu/mediatek,iommu.yaml | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml index 4142a568b293..d5e3272a54e8 100644 --- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml +++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml @@ -116,6 +116,10 @@ properties: Refer to bindings/memory-controllers/mediatek,smi-larb.yaml. It must sort according to the local arbiter index, like larb0, larb1, larb2... + mediatek,pericfg: + $ref: /schemas/types.yaml#/definitions/phandle + description: The phandle to the mediatek pericfg syscon + '#iommu-cells': const: 1 description: | @@ -183,6 +187,16 @@ allOf: required: - mediatek,infracfg + - if: + properties: + compatible: + contains: + const: mediatek,mt8195-iommu-infra + + then: + required: + - mediatek,pericfg + - if: # The IOMMUs don't have larbs. not: properties: