From nobody Sun Sep 28 19:15:03 2025 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (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 8E482374294; Wed, 17 Sep 2025 12:07:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758110857; cv=none; b=YjXXzG5rK7JfO7+g1MzmHEMdhuZPdh1wUq+ropmiWIvlkVJYE8REvPE99Wg8Qdw8U0Y/jkm5R0ireuvAj6ts06WSX4uqhdQxEzN10utSQ40oi5zG257F4kLSv7iTSICZ5VxbUB/2lbhwi2AZ9W/DTOzPc+Gc3FeL0a3TpMzafaU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758110857; c=relaxed/simple; bh=pJcGCE36z51ZQ9SEhe8pzYZ6tyKqt39NT2zDGKWtQN0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=deQTUjBMpV1TuLl84t/6LHvuB71Hy6Q4ZhXB5+K/c6crM3dfCQX0dskzlJ/a80aL/1bc3rPH7aLS4OUZR7+v7bvt2QAfbuUiOfMwgWIdqzPPV4aeSya+/qOXnjnrdM3touZmcCiv6O0aa5fjkYLp6GPVB6LSGDcI+M9RPinfc6g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=jHbDbffl; arc=none smtp.client-ip=210.61.82.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="jHbDbffl" X-UUID: e246e08e93be11f0b33aeb1e7f16c2b6-20250917 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:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=RzRjl0wuxO05mFaAmxgC9m8FQ896f26iiNfacinIM/I=; b=jHbDbfflYFXVLDYswj9M4IoMedHtwugDjp3yJh8LhZe3ZhuCofXWoE0pcq5FOAFi+uEZmLxK5hPpiQ8TYcWUWzRS7FHlyI1t/Qb6HP6QDKqE7KL65ISWs59gGqBlFabeAjAM22UALiXm2/MqwyDieVhtcBZtUL8+i4+TK6yiHzk=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.4,REQID:545da3a7-9766-4657-bebd-ded1ac78bde7,IP:0,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:0 X-CID-META: VersionHash:1ca6b93,CLOUDID:b69566f8-ebfe-43c9-88c9-80cb93f22ca4,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|836,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,OS A:0,AV:0,LES: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: e246e08e93be11f0b33aeb1e7f16c2b6-20250917 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 212379600; Wed, 17 Sep 2025 20:07:29 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.39; Wed, 17 Sep 2025 20:07:28 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1258.39 via Frontend Transport; Wed, 17 Sep 2025 20:07:27 +0800 From: Friday Yang To: Yong Wu , Krzysztof Kozlowski , "Rob Herring" , Conor Dooley , "Matthias Brugger" , AngeloGioacchino Del Regno , Philipp Zabel CC: Friday Yang , , , , , Subject: [PATCH v11 1/2] dt-bindings: memory: mediatek: Add SMI reset and clamp for MT8188 Date: Wed, 17 Sep 2025 20:07:16 +0800 Message-ID: <20250917120724.8650-2-friday.yang@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20250917120724.8650-1-friday.yang@mediatek.com> References: <20250917120724.8650-1-friday.yang@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add 'resets' and 'reset-names' properties for SMI LARBs to support SMI reset operations. On the MediaTek platform, some SMI LARBs are directly connected to the SMI Common, while others are connected to the SMI Sub-Common, which in turn is connected to the SMI Common. The hardware block diagram can be described as follows. SMI-Common(Smart Multimedia Interface Common) | +----------------+------------------+ | | | | | | | | | | | | | | | larb0 SMI-Sub-Common0 SMI-Sub-Common1 | | | | | larb1 larb2 larb3 larb7 larb9 Signed-off-by: Friday Yang Reviewed-by: AngeloGioacchino Del Regno Acked-by: Rob Herring --- .../mediatek,smi-common.yaml | 2 ++ .../memory-controllers/mediatek,smi-larb.yaml | 19 +++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,= smi-common.yaml b/Documentation/devicetree/bindings/memory-controllers/medi= atek,smi-common.yaml index 0762e0ff66ef..3d98c08b2149 100644 --- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-com= mon.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-com= mon.yaml @@ -40,6 +40,7 @@ properties: - mediatek,mt8186-smi-common - mediatek,mt8188-smi-common-vdo - mediatek,mt8188-smi-common-vpp + - mediatek,mt8188-smi-sub-common - mediatek,mt8192-smi-common - mediatek,mt8195-smi-common-vdo - mediatek,mt8195-smi-common-vpp @@ -108,6 +109,7 @@ allOf: compatible: contains: enum: + - mediatek,mt8188-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/mediat= ek,smi-larb.yaml index 2e7fac4b5094..fc5feb2eac1f 100644 --- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-lar= b.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-lar= b.yaml @@ -70,6 +70,12 @@ properties: description: the hardware id of this larb. It's only required when this hardware id is not consecutive from its M4U point of view. + resets: + maxItems: 1 + + reset-names: + const: larb + required: - compatible - reg @@ -126,6 +132,19 @@ allOf: required: - mediatek,larb-id + - if: # only for image, camera and ipe subsys + properties: + compatible: + const: mediatek,mt8188-smi-larb + mediatek,larb-id: + enum: + [ 9, 10, 11, 12, 13, 16, 17, 18, 19, 20 ] + + then: + required: + - resets + - reset-names + additionalProperties: false examples: -- 2.46.0