From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 43F193DD516; Wed, 22 Jul 2026 12:06:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784722000; cv=none; b=LlzELEI0OFE60fJbXaLYcQUavbp7L3scU/+/aO8me2n9RaG4PNob0gMbJ4xj1+lU8XWO1Lf+erJ59G2ImIV3jCXpgnnCDW+dP5vIByzYPoQij8f+0OnYclXBUmXUgTtYGL2pJ+loz0fIRPnwRcXke59nPdnXZnUvbBDJwtaVbFE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784722000; c=relaxed/simple; bh=5XWm0CYXpmO4KIt62r5OvlwOr5GLzpGa2LTrVyhC370=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Q1dreXn/sh+MxiSQhCxf3tdL0mGoJLOfjo1zM5eR1ZhoKn56J0CHJm6iO/uBgGHENUPsm+d6k5vPrdiqmtVUy7gvDvvnWaUYp/QHBQIatAOzlCPIMvhLAb1mVkgVXaKetJn0gu0YEuLuacvdkjWUYLuP2kcxYwznyNp79mjXyVA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qvV6ofSK; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qvV6ofSK" Received: by smtp.kernel.org (Postfix) with ESMTPS id D4530C2BCFF; Wed, 22 Jul 2026 12:06:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1784721999; bh=5XWm0CYXpmO4KIt62r5OvlwOr5GLzpGa2LTrVyhC370=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=qvV6ofSKtWl703T+AaW1S3rWzM3XhgIj06glZ4hmXhRxVvO9bOvJ3TO+3x6/qMjtL hwkHnkTZOSXqHzsfsFmTS6akqc28JG+1H98Bp91txCU5ELrxenR9iexPqUgbE+FZST AHYsp/E8yQbfLc+2oSzlhlQQz0zAgB7fjWoI66SSMmh53XcGVymn5X9OiisQYe31g/ y7tgPxO95Q8HBJLdCuowQXGsx5TVOy7oaWgM2ZtZwvBotLTLzMvpVmJhBW8ZdhHuLo ToafZTjqWRkseKHRcAJDB6A4Zrxs03uQiKGs+CeNymQmgJEXKpBr8Gzwp/1RsJokEC jegSylDdAPIOQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id BEAA2C4453C; Wed, 22 Jul 2026 12:06:39 +0000 (UTC) From: Congcong Yao via B4 Relay Date: Wed, 22 Jul 2026 20:02:44 +0800 Subject: [PATCH RESEND v3 2/2] dt-bindings: memory-controllers: mtk-smi: Add support for mt8189 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260722-8189-smi-support-v3-2-ae00e13deeac@mediatek.com> References: <20260722-8189-smi-support-v3-0-ae00e13deeac@mediatek.com> In-Reply-To: <20260722-8189-smi-support-v3-0-ae00e13deeac@mediatek.com> To: Yong Wu , Krzysztof Kozlowski , Matthias Brugger , AngeloGioacchino Del Regno , Rob Herring , Conor Dooley Cc: linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Congcong Yao X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1784721998; l=3542; i=congcong.yao@mediatek.com; s=20260722; h=from:subject:message-id; bh=RfjGr9dS2BPv3kvuxEnkhOj9VPQPmNK7ihihb5BjbNg=; b=x7NGCgN8LrMDzFJIcNKrh88tbvs0GYx28y6/vxkixXR05ogRN+A7oci4VPiC3GFlg+a+seXF8 +y+oAy+j07eDHhwUFa1zRyv66ykiEJeHKFwqja9ZJW0aVZnINSni1+s X-Developer-Key: i=congcong.yao@mediatek.com; a=ed25519; pk=tIrmGxKQQxnfyb48iCCd19063tppPj89U3nupGYAIxg= X-Endpoint-Received: by B4 Relay for congcong.yao@mediatek.com/20260722 with auth_id=889 X-Original-From: Congcong Yao Reply-To: congcong.yao@mediatek.com From: Congcong Yao Add smi larb, common and sub-commom binding description for mt8189. About what smi-sub-common is, please check the below diagram, we add it in mediatek,smi-common.yaml file. Signed-off-by: Congcong Yao Reviewed-by: AngeloGioacchino Del Regno --- .../memory-controllers/mediatek,smi-common.yaml | 18 ++++++++++++++++++ .../bindings/memory-controllers/mediatek,smi-larb.yaml | 3 +++ 2 files changed, 21 insertions(+) diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml index 0762e0ff66ef..4e1deeff92b1 100644 --- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml @@ -25,6 +25,21 @@ description: | SMI generation 1 to transform the smi clock into emi clock domain, but that is not needed for SMI generation 2. + The smi-common connects with smi-larb and IOMMU. The maximum inputs number of + a smi-common is 8. In SMI generation 2, the engines number may be over 8. + In this case, we use a smi-sub-common to merge some larbs. + The block diagram something is like: + + IOMMU + | | + smi-common + --------------------------- + | | ... + larb0 sub-common ... <-max number is 8 + ---------------- + | | ... + larb1 larbX ... <-max number is 8 + properties: compatible: oneOf: @@ -40,6 +55,8 @@ properties: - mediatek,mt8186-smi-common - mediatek,mt8188-smi-common-vdo - mediatek,mt8188-smi-common-vpp + - mediatek,mt8189-smi-common + - mediatek,mt8189-smi-sub-common - mediatek,mt8192-smi-common - mediatek,mt8195-smi-common-vdo - mediatek,mt8195-smi-common-vpp @@ -108,6 +125,7 @@ allOf: compatible: contains: enum: + - mediatek,mt8189-smi-sub-common - mediatek,mt8195-smi-sub-common then: required: diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml index 2e7fac4b5094..9a5dafd7c07e 100644 --- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml @@ -27,6 +27,7 @@ properties: - mediatek,mt8183-smi-larb - mediatek,mt8186-smi-larb - mediatek,mt8188-smi-larb + - mediatek,mt8189-smi-larb - mediatek,mt8192-smi-larb - mediatek,mt8195-smi-larb @@ -85,6 +86,7 @@ allOf: - mediatek,mt8183-smi-larb - mediatek,mt8186-smi-larb - mediatek,mt8188-smi-larb + - mediatek,mt8189-smi-larb - mediatek,mt8195-smi-larb then: @@ -119,6 +121,7 @@ allOf: - mediatek,mt6779-smi-larb - mediatek,mt8186-smi-larb - mediatek,mt8188-smi-larb + - mediatek,mt8189-smi-larb - mediatek,mt8192-smi-larb - mediatek,mt8195-smi-larb -- 2.43.0